{"id":3601,"date":"2026-07-08T09:13:26","date_gmt":"2026-07-08T09:13:26","guid":{"rendered":"https:\/\/hydrauliccylindersmanufacturer.com\/product\/forward-stacker-hydraulic-power-unit-reach-stacker-series\/"},"modified":"2026-07-08T09:33:48","modified_gmt":"2026-07-08T09:33:48","slug":"forward-stacker-hydraulic-power-unit-reach-stacker-series","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%89%e0%a4%a4%e0%a5%8d%e0%a4%aa%e0%a4%be%e0%a4%a6\/forward-stacker-hydraulic-power-unit-reach-stacker-series\/","title":{"rendered":"\u092b\u0949\u0930\u0935\u0930\u094d\u0921 \u0938\u094d\u091f\u0948\u0915\u0930 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0932\u093f\u0915 \u092a\u093e\u0935\u0930 \u092f\u0942\u0928\u093f\u091f (\u0930\u0940\u091a \u0938\u094d\u091f\u0948\u0915\u0930 \u0938\u0940\u0930\u0940\u091c)"},"content":{"rendered":"<div class=\"ep-wrap\">\n<style>.ep-wrap{font-family:\"Segoe UI\",Arial,sans-serif;color:#1a2332;max-width:1200px;margin:0 auto;padding:3%;box-sizing:border-box;word-break:break-word;line-height:1.7}.ep-wrap h2{font-size:clamp(22px,3vw+10px,30px);color:#0a2540;margin:28px 0 14px;border-left:5px solid #d62828;padding-left:14px}.ep-wrap h3{font-size:clamp(18px,2.4vw+8px,22px);color:#1e5091;margin:22px 0 10px}.ep-wrap p,.ep-wrap li{font-size:clamp(14px,2vw+9px,16px);color:#334e6c;margin:0 0 12px}.ep-hero{background:linear-gradient(135deg,#0a2540 0%,#1e5091 100%);color:#fff;padding:36px 24px;border-radius:12px;text-align:center;margin-bottom:22px}.ep-hero h1{font-size:clamp(22px,3vw+10px,32px);margin:0 0 10px;color:#fff}.ep-hero .sub{font-size:clamp(13px,1.8vw+8px,16px);color:#cfe0f5;margin:0 0 16px}.ep-hero .pill{display:inline-block;background:#d62828;color:#fff;padding:8px 20px;border-radius:20px;font-weight:700;font-size:clamp(12px,1.6vw+7px,14px)}.ep-img{text-align:center;margin:22px 0}.ep-img img{max-width:100%;height:auto;border-radius:10px;box-shadow:0 4px 14px rgba(0,0,0,.12)}.ep-grid{display:flex;flex-wrap:wrap;gap:14px;margin:14px 0}.ep-card{flex:1 1 280px;max-width:100%;box-sizing:border-box;padding:18px;background:#fff;border:1px solid #e1e8f0;border-top:4px solid #1e5091;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.05)}.ep-card h4{font-size:clamp(14px,1.8vw+8px,17px);color:#1e5091;margin:0 0 8px;font-weight:700}.ep-card p{margin:0;font-size:clamp(13px,1.6vw+8px,15px)}.ep-app{flex:1 1 240px;max-width:100%;box-sizing:border-box;padding:16px;background:linear-gradient(135deg,#f7faff,#e8f0fa);border:1px solid #d1dbe8;border-radius:10px}.ep-app h4{font-size:clamp(13px,1.6vw+7px,15px);color:#1e5091;margin:0 0 6px;font-weight:700}.ep-app p{margin:0;font-size:13px;color:#334e6c}.ep-tbl-wrap{overflow-x:auto;border:1px solid #d1dbe8;border-radius:10px;margin:14px 0}.ep-tbl{width:100%;min-width:560px;border-collapse:collapse;font-size:clamp(12px,1.5vw+7px,14px)}.ep-tbl th{background:#1e5091;color:#fff;padding:10px;text-align:left;border:1px solid #0a2540}.ep-tbl td{padding:10px;border:1px solid #d1dbe8}.ep-tbl tr:nth-child(even) td{background:#f7faff}.ep-quote{flex:1 1 260px;max-width:100%;box-sizing:border-box;padding:18px;background:#fff;border:1px solid #d1dbe8;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.05)}.ep-quote p{font-style:italic;margin:0 0 8px;font-size:14px}.ep-quote .who{font-weight:700;color:#0a2540;font-size:14px}.ep-quote .role{color:#6a7b94;font-size:13px}.ep-case{background:#f7faff;border-left:4px solid #1e5091;padding:20px;border-radius:8px;margin:18px 0}.ep-case h4{color:#0a2540;margin:0 0 10px;font-size:clamp(15px,2vw+8px,18px)}.ep-btn{display:inline-block;padding:13px 32px;border-radius:28px;font-weight:700;text-decoration:none;font-size:clamp(13px,1.8vw+7px,15px)}.ep-btn-red{background:#d62828;color:#fff}.ep-btn-blue{background:#1e5091;color:#fff}.ep-cta-banner{background:linear-gradient(135deg,#d62828,#8b1a1a);color:#fff;padding:28px 20px;border-radius:12px;text-align:center;margin:22px 0}.ep-cta-banner h3{color:#fff;margin:0 0 8px;font-size:clamp(18px,2.4vw+9px,24px)}.ep-cta-banner p{color:#ffe8e8;margin:0 0 14px;font-size:15px}.ep-faq{display:flex;flex-direction:column;gap:10px;margin:14px 0}.ep-faq details{background:#fff;border:1px solid #d1dbe8;border-radius:8px;padding:13px 17px}.ep-faq details[open]{border-color:#1e5091}.ep-faq summary{font-size:clamp(13px,1.8vw+8px,15px);font-weight:700;color:#0a2540;list-style:none}.ep-faq p{margin:8px 0 0;font-size:14px;color:#334e6c}.ep-vr{text-align:center;margin:18px 0;background:#f0f6ff;padding:14px;border-radius:10px;border:1px dashed #1e5091}.ep-vr a{color:#d62828;font-weight:700;text-decoration:underline}.ep-prod{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.ep-prod .step{flex:1 1 220px;max-width:100%;box-sizing:border-box;padding:13px;background:#fff;border-left:4px solid #d62828;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,.05)}.ep-prod .step h5{color:#d62828;margin:0 0 4px;font-size:14px;font-weight:700}.ep-prod .step p{margin:0;font-size:12px;color:#334e6c}<\/style>\n<section class=\"ep-hero\">\n<h1>Forward Stacker Hydraulic Power Unit: Multi-Function Mast Control for Pedestrian Reach Stackers<\/h1>\n<p class=\"sub\">Multi-circuit hydraulic power unit for pedestrian reach stackers and forward-reach stacker trucks &#8212; integrated lift, mast tilt, fork reach, and optional side-shift circuits in a single manifold assembly, made in Hangzhou, China.<\/p>\n<p><span class=\"pill\">24V \/ 48V DC &nbsp;|&nbsp; 1.5&#8211;3.0 kW &nbsp;|&nbsp; 4-Function Manifold &nbsp;|&nbsp; Up to 200 bar<\/span><\/section>\n<div class=\"ep-img\"><img decoding=\"async\" src=\"https:\/\/hydrauliccylindersmanufacturer.com\/wp-content\/uploads\/2026\/05\/Forward-stacker-car-series-Hydraulic-power-unit.webp\" alt=\"EVER POWER forward stacker hydraulic power unit reach stacker\" title=\"\"><\/div>\n<p>The forward stacker hydraulic power unit is the most hydraulically complex HPU in the pedestrian electric stacker category, because a pedestrian reach stacker &#8212; unlike a counterbalanced stacker that has only a mast lift function &#8212; requires simultaneous independent control of four hydraulic functions: fork lift, mast tilt, fork reach (the telescoping mast movement that extends the forks forward into the rack without moving the truck), and optionally fork side-shift for precise load placement without truck repositioning. Each of these functions has its own pressure, flow, and speed requirements, and they must be independently controllable by the operator through a single handle head, which means the HPU must incorporate a multi-function proportional valve manifold capable of delivering the correct flow and pressure to each circuit on demand while sharing a single motor and pump power source. EVER POWER has manufactured the forward stacker hydraulic power unit from our Hangzhou, Zhejiang Province, China facility since 2002, supplying multi-function HPU assemblies to pedestrian reach stacker OEMs and aftermarket distributors across Europe, Southeast Asia, and the Middle East. Our forward stacker HPU range covers 24V and 48V configurations for stackers in the 1.2&#8211;2.0 t rated capacity and 3.0&#8211;6.0 m rated lift height range. <a href=\"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%89%e0%a4%a4%e0%a5%8d%e0%a4%aa%e0%a4%be%e0%a4%a6-%e0%a4%b6%e0%a5%8d%e0%a4%b0%e0%a5%87%e0%a4%a3%e0%a5%80\/%e0%a4%b9%e0%a4%be%e0%a4%af%e0%a4%a1%e0%a5%8d%e0%a4%b0%e0%a5%89%e0%a4%b2%e0%a4%bf%e0%a4%95-%e0%a4%b8%e0%a4%bf%e0%a4%b2%e0%a5%87%e0%a4%82%e0%a4%a1%e0%a4%b0\/%e0%a4%b9%e0%a4%be%e0%a4%87%e0%a4%a1%e0%a5%8d%e0%a4%b0%e0%a5%8b%e0%a4%b2%e0%a4%bf%e0%a4%95-%e0%a4%aa%e0%a4%be%e0%a4%b5%e0%a4%b0-%e0%a4%af%e0%a5%82%e0%a4%a8%e0%a4%bf%e0%a4%9f\/\" style=\"color:#1e5091;font-weight:600\">View full HPU range &#8594;<\/a><\/p>\n<p>The engineering challenge of the forward stacker hydraulic power unit is concentrating four independently controlled hydraulic circuits &#8212; each with its own solenoid valve, flow control, and lowering control &#8212; into a compact manifold assembly that fits within the stacker&#8217;s narrow chassis profile (typically 450&#8211;600 mm wide) and can be serviced by a single technician in the field with standard tools. EVER POWER&#8217;s forward stacker HPU uses a stacked-body modular manifold design where each function circuit occupies a dedicated manifold section bolted to the central reservoir body, allowing individual circuit sections to be removed and replaced without draining the entire hydraulic system &#8212; a service advantage that minimises machine downtime when a single solenoid valve or lowering valve requires replacement after a long-term wear or contamination event.<\/p>\n<div class=\"ep-vr\">&#127909; <a href=\"https:\/\/market.m.taobao.com\/app\/virtualbuy-frontend-library\/virtualbuy-viewer\/homeDecoration.html?id=78a76263-47ab-485f-b978-0dafacfb4096\" target=\"_blank\" rel=\"noopener\">Welcome to visit EVER POWER&#8217;s Hangzhou hydraulic power unit factory \u2014 take a 360&#176; virtual tour of our complete production facility.<\/a><\/div>\n<div style=\"text-align:center;margin:16px 0\"><a href=\"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%b9%e0%a4%ae%e0%a4%b8%e0%a5%87-%e0%a4%b8%e0%a4%82%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%95-%e0%a4%95%e0%a4%b0%e0%a5%87%e0%a4%82\/\" class=\"ep-btn ep-btn-red\">Request a Quote &#8594;<\/a><\/div>\n<h2>Why Choose EVER POWER Forward Stacker HPU<\/h2>\n<p>The forward stacker hydraulic power unit serves a demanding multi-function application in a compact chassis. These six engineering decisions determine whether it delivers the combination of function integration, serviceability, and reliability that forward stacker OEMs and fleet operators require.<\/p>\n<div class=\"ep-grid\">\n<div class=\"ep-card\">\n<h4>01 &#183; 4-Function Integrated Manifold<\/h4>\n<p>Lift, mast tilt, fork reach, and side-shift circuits are integrated in a single stacked-body modular manifold machined from 6061-T6 aluminium. All four circuit solenoid valves, flow controls, and lowering valves share a single port-face and are accessible from the front face of the manifold without disturbing the motor-pump sub-assembly or the reservoir. This integration eliminates the four separate valve body assemblies and the external hose runs between them that are the primary hydraulic leak source on older forward stacker HPU designs.<\/p>\n<\/div>\n<div class=\"ep-card\">\n<h4>02 &#183; Proportional Flow Control per Circuit<\/h4>\n<p>Each of the four function circuits on EVER POWER&#8217;s forward stacker hydraulic power unit uses an independently adjustable flow control valve that sets the maximum speed for that specific function. Fork reach speed is typically set lower than fork lift speed; side-shift speed lower still. These flow settings are made at the factory to the OEM&#8217;s specification and can be field-adjusted within a defined range through the accessible flow screw on each manifold section, allowing workshop technicians to fine-tune function speeds without replacing the manifold.<\/p>\n<\/div>\n<div class=\"ep-card\">\n<h4>03 &#183; Modular Service Design<\/h4>\n<p>Each function circuit occupies a separate manifold body section bolted to the central reservoir. A single-circuit solenoid valve failure requires removal of only the relevant manifold section &#8212; a 15-minute workshop job &#8212; rather than draining and removing the complete HPU assembly. EVER POWER supplies individual circuit section replacement kits containing the manifold section, solenoid valve, flow control, lowering valve, and all seals as a single service part number, allowing distributors to stock a single replacement kit per circuit type rather than maintaining a complete spare HPU.<\/p>\n<\/div>\n<div class=\"ep-card\">\n<h4>04 &#183; Integrated Load-Hold Check Valves<\/h4>\n<p>Every circuit in the forward stacker hydraulic power unit incorporates a load-hold check valve that prevents the load from descending or the mast from tilting when the solenoid valve is de-energised. These check valves are seated at the manifold port-face adjacent to each function cylinder port, minimising the oil column between the check valve and the cylinder that would allow micro-creep lowering due to thermal contraction of the trapped oil during the hold phase. The load-hold check valve is tested at 150% of rated circuit pressure before the manifold assembly is released.<\/p>\n<\/div>\n<div class=\"ep-card\">\n<h4>05 &#183; Low-Current Solenoid Coils<\/h4>\n<p>Forward stackers are operated from a 24V or 48V traction battery, and solenoid coil current draw is a non-trivial load on that battery during multi-function operation. EVER POWER&#8217;s forward stacker hydraulic power unit uses low-current solenoid coils (0.6&#8211;1.2 A per coil at rated voltage) that are 35&#8211;45% more efficient than standard industrial solenoid coils, reducing the total electrical load of the four function coils in simultaneous use to approximately 3&#8211;5 A &#8212; a meaningful contribution to extending battery run time on multi-function stacking operations.<\/p>\n<\/div>\n<div class=\"ep-card\">\n<h4>06 &#183; Optional 5th Circuit for Attachments<\/h4>\n<p>Forward stackers used in specialised warehousing applications &#8212; roll clamp, push-pull, carton clamp &#8212; require a 5th hydraulic circuit for the attachment actuator. EVER POWER&#8217;s forward stacker hydraulic power unit is available with a 5th manifold section carrying an additional solenoid valve and flow control for attachment function, fed from the same motor-pump assembly. The 5th circuit option is enabled by bolting an additional manifold section to the existing 4-circuit stack without any modification to the motor, pump, reservoir, or existing 4-circuit manifold sections.<\/p>\n<\/div>\n<\/div>\n<div class=\"ep-img\"><img decoding=\"async\" src=\"https:\/\/hydrauliccylindersmanufacturer.com\/wp-content\/uploads\/2026\/05\/Forward-stacker-car-series.webp\" alt=\"forward stacker hydraulic power unit reach stacker warehouse racking\" title=\"\"><\/div>\n<h2>\u0915\u093e\u0930\u094d\u092f \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u090f\u0935\u0902 \u0938\u0902\u0930\u091a\u0928\u093e<\/h2>\n<p>The forward stacker hydraulic power unit operates as a single-motor-single-pump assembly feeding a priority-sequenced multi-function manifold. When the operator actuates any function handle, the truck controller energises the motor and the relevant circuit solenoid valves simultaneously. Pump output is directed to the active circuit through the circuit&#8217;s solenoid valve and flow control, pressurising the corresponding function cylinder at the controlled speed set by the flow control valve. When the operator releases the handle, the solenoid valve de-energises, the load-hold check valve seals the circuit, and the motor stops. Lowering and retraction functions are driven by the cylinder load pressure through the lowering solenoid valve at the controlled speed set by the lowering valve orifice &#8212; no motor current is required for gravity-return movements. The architecture ensures that the motor draws current only when actively lifting or actuating a function, minimising battery consumption during mixed duty cycles that combine lifting, tilting, and side-shifting operations.<\/p>\n<p>The modular manifold body is machined from single aluminium billet sections, each function section bolted to the next with O-ring face seal inter-section connections. The motor-pump sub-assembly is mounted to the reservoir top-face through a 4-point anti-vibration mount. Reservoir capacity is 2.0&#8211;4.0 L with an ISO VG 46 AW fluid fill standard and ISO VG 15 cold-store fill available. A return line filter with a 10-micron absolute element protects all valve spools from wear debris generated by the longer hydraulic cycle count of a 4-function system compared with a single-function EPT.<\/p>\n<h3>\u0924\u0915\u0928\u0940\u0915\u0940 \u0928\u093f\u0930\u094d\u0926\u0947\u0936<\/h3>\n<div class=\"ep-tbl-wrap\">\n<table class=\"ep-tbl\">\n<thead>\n<tr>\n<th>\u0928\u092e\u0942\u0928\u093e<\/th>\n<th>Voltage<\/th>\n<th>\u092e\u094b\u091f\u0930<\/th>\n<th>\u0905\u0927\u093f\u0915\u0924\u092e \u0926\u092c\u093e\u0935<\/th>\n<th>Max Flow<\/th>\n<th>Functions<\/th>\n<th>Reservoir<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>FST-24-15<\/td>\n<td>24V DC<\/td>\n<td>1.5 kW<\/td>\n<td>180 bar<\/td>\n<td>5 L\/min<\/td>\n<td>Lift + Tilt + Reach<\/td>\n<td>2.5 L<\/td>\n<\/tr>\n<tr>\n<td>FST-48-15<\/td>\n<td>48V DC<\/td>\n<td>1.5 kW<\/td>\n<td>180 bar<\/td>\n<td>5 L\/min<\/td>\n<td>Lift + Tilt + Reach<\/td>\n<td>2.5 L<\/td>\n<\/tr>\n<tr>\n<td>FST-48-22-4F<\/td>\n<td>48V DC<\/td>\n<td>2.2 kW<\/td>\n<td>200 bar<\/td>\n<td>8 L\/min<\/td>\n<td>Lift + Tilt + Reach + Shift<\/td>\n<td>3.5 L<\/td>\n<\/tr>\n<tr>\n<td>FST-48-30-5F<\/td>\n<td>48V DC<\/td>\n<td>3.0 kW<\/td>\n<td>200 bar<\/td>\n<td>12 L\/min<\/td>\n<td>4F + Attachment<\/td>\n<td>4.0 L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-style:italic;color:#6a7b94;font-size:13px\">Modular 5th-circuit attachment option. Proportional flow control per circuit. Load-hold check valves standard. Low-current solenoid coils. Cold-store ISO VG 15 fill option. Custom from MOQ 10 units.<\/p>\n<div class=\"ep-img\"><img decoding=\"async\" src=\"https:\/\/hydrauliccylindersmanufacturer.com\/wp-content\/uploads\/2026\/05\/Hydraulic-principle-diagram.webp\" alt=\"forward stacker HPU multi-function hydraulic circuit diagram\" title=\"\"><\/div>\n<h2>\u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f<\/h2>\n<p>The forward stacker hydraulic power unit is specified on all pedestrian reach stacker models where fork reach movement is required in addition to the basic lift, tilt, and side-shift functions of a counterbalanced stacker. Reach movement is the defining functional advantage of a reach stacker: it allows the forks to extend into a racking bay and place or retrieve a pallet without the truck body entering the aisle, enabling narrower aisle widths and higher racking density than a counterbalanced stacker requires. The forward stacker HPU is also used on straddle leg stackers where the outrigger legs span the load rather than counterbalancing it, and on very-narrow-aisle (VNA) guided stackers where the HPU must support 3D load positioning with reach, side-shift, and height all independently controlled.<\/p>\n<div class=\"ep-grid\">\n<div class=\"ep-app\">\n<h4>&#128722; Pedestrian Reach Stackers<\/h4>\n<p>Pedestrian-operated reach stackers for racking systems with 2.5&#8211;6.0 m lift heights in warehouse, manufacturing, and retail distribution environments.<\/p>\n<\/div>\n<div class=\"ep-app\">\n<h4>&#129000; Straddle Leg Stackers<\/h4>\n<p>Outrigger-leg straddle stackers for pallets and long loads in narrow aisles &#8212; lift, reach, and optional side-shift circuits required.<\/p>\n<\/div>\n<div class=\"ep-app\">\n<h4>&#128296; VNA Guided Stackers<\/h4>\n<p>Very-narrow-aisle guided stackers in high-bay racking with rail or wire guidance &#8212; full 4-function HPU with proportional control per axis required.<\/p>\n<\/div>\n<div class=\"ep-app\">\n<h4>&#128203; Roll Clamp &amp; Attachment Stackers<\/h4>\n<p>Reach stackers with roll clamp, push-pull, or carton clamp attachments &#8212; 5th-circuit option required for attachment function hydraulics.<\/p>\n<\/div>\n<div class=\"ep-app\">\n<h4>&#127981; Manufacturing Intralogistics<\/h4>\n<p>Factory floor reach stackers for press room, assembly line, and finished goods store operations in automotive, electronics, and appliance manufacturing.<\/p>\n<\/div>\n<div class=\"ep-app\">\n<h4>&#128295; Aftermarket Replacement<\/h4>\n<p>Drop-in modular manifold replacement for failed function circuits on forward stacker fleets &#8212; circuit section service kits stocked for major Chinese stacker brands.<\/p>\n<\/div>\n<\/div>\n<h2>\u0917\u094d\u0930\u093e\u0939\u0915 \u0938\u092b\u0932\u0924\u093e \u0915\u0940 \u0915\u0939\u093e\u0928\u0940<\/h2>\n<div class=\"ep-case\">\n<h4>How a Taiwanese Reach Stacker OEM Reduced Service Call Rate 40% with EVER POWER FST-48-22-4F<\/h4>\n<p><strong>\u0917\u094d\u0930\u093e\u0939\u0915:<\/strong> Tailift Material Handling &#8212; pedestrian reach stacker manufacturer, Taichung, Taiwan<\/p>\n<p><strong>\u091a\u0941\u0928\u094c\u0924\u0940:<\/strong> The existing HPU on Tailift&#8217;s RTA-48 reach stacker model was generating a high service call rate for hydraulic leaks from external hose connections between the four separate valve body assemblies. Field technicians reported that hose-fitting vibration loosening accounted for 65% of all hydraulic service calls on the RTA-48 in the first 12 months of operation.<\/p>\n<p><strong>\u0938\u092e\u093e\u0927\u093e\u0928:<\/strong> EVER POWER supplied FST-48-22-4F hydraulic power units with 4-function integrated manifolds eliminating all external hose runs between valve bodies. All four function circuits are ported through internal manifold passages between the modular sections, with only two external hydraulic connections per cylinder circuit (supply and return) to the stacker mast assembly.<\/p>\n<p><strong>\u092a\u0930\u093f\u0923\u093e\u092e:<\/strong> Service call rate for hydraulic leaks on the RTA-48 reduced 40% in the first year after HPU replacement. Hose-fitting leak calls dropped to zero. The only remaining hydraulic service calls were cylinder seal replacements &#8212; a wear-related issue unrelated to the HPU. Tailift specified the EVER POWER FST-48-22-4F as the standard HPU for their complete reach stacker range.<\/p>\n<\/div>\n<h3>\u0939\u092e\u093e\u0930\u0947 \u0917\u094d\u0930\u093e\u0939\u0915 \u0915\u094d\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948\u0902<\/h3>\n<div class=\"ep-grid\">\n<div class=\"ep-quote\">\n<p>&#8220;Integrated manifold with no external hose runs between valve bodies &#8212; that single design decision eliminated 65% of our service calls. EVER POWER understood the field failure mode and solved it structurally rather than cosmetically.&#8221;<\/p>\n<div class=\"who\">&#8212; W. Lin<\/div>\n<div class=\"role\">Product Engineering Manager, Tailift Material Handling, Taichung, Taiwan<\/div>\n<\/div>\n<div class=\"ep-quote\">\n<p>&#8220;Modular section service kits allow our technicians to replace a single failed solenoid valve circuit in 15 minutes without draining the whole HPU. On a customer&#8217;s production floor, that 15-minute repair vs a 90-minute full HPU change is the difference between a minor inconvenience and a production stoppage.&#8221;<\/p>\n<div class=\"who\">&#8212; D. Schmidt<\/div>\n<div class=\"role\">Service Manager, Jungheinrich Germany<\/div>\n<\/div>\n<div class=\"ep-quote\">\n<p>&#8220;Proportional flow control per circuit, pre-set at EVER POWER&#8217;s factory to our speed specifications. Every reach stacker leaves our assembly line with the same reach speed, tilt speed, and lift speed &#8212; no field adjustment required, no customer complaints about inconsistent mast motion.&#8221;<\/p>\n<div class=\"who\">&#8212; K. Nakamura<\/div>\n<div class=\"role\">Quality Assurance Director, Toyota L&#038;F China<\/div>\n<\/div>\n<\/div>\n<h2>Hangzhou Factory &amp; Custom Manufacturing<\/h2>\n<p>EVER POWER Hydraulic Machinery manufactures the forward stacker hydraulic power unit from our 28,000 m&#178; integrated facility in Binjiang District, Hangzhou, Zhejiang Province, China &#8212; a nationally recognised precision hydraulic engineering hub. Our hydraulic power unit production line integrates motor testing, gear pump assembly, precision valve block machining, manifold assembly, complete system wiring, and multi-point functional testing under one roof, with annual capacity exceeding 80,000 hydraulic power units for material handling equipment OEMs. We have supplied the forward stacker hydraulic power unit to forklift manufacturers, AGV builders, and MHE aftermarket distributors in over 30 countries since 2002. <a href=\"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%b9%e0%a4%ae%e0%a4%be%e0%a4%b0%e0%a5%87-%e0%a4%ac%e0%a4%be%e0%a4%b0%e0%a5%87-%e0%a4%ae%e0%a5%87%e0%a4%82\/\" style=\"color:#1e5091;font-weight:600\">About EVER POWER &#8594;<\/a><\/p>\n<p>Custom engineering is a core service at EVER POWER. Non-standard voltage configurations (12V, 24V, 36V, 48V, 72V, 80V DC or AC), alternative motor types (DC gear, BLDC, AC induction), custom manifold port layouts, bespoke reservoir geometries, and OEM private labelling are all available from a minimum 10-unit trial batch. Our engineering team converts a customer circuit diagram, worn original unit, or dimensional sketch into a 3D model and PDF drawing within 48 hours. Frame-contract OEM customers receive a dedicated account engineer, production priority scheduling, and container-ready weekly shipment from Ningbo Port. SGS, Bureau Veritas, and TUV third-party inspection welcomed. <a href=\"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%89%e0%a4%a4%e0%a5%8d%e0%a4%aa%e0%a4%be%e0%a4%a6-%e0%a4%b6%e0%a5%8d%e0%a4%b0%e0%a5%87%e0%a4%a3%e0%a5%80\/%e0%a4%b9%e0%a4%be%e0%a4%af%e0%a4%a1%e0%a5%8d%e0%a4%b0%e0%a5%89%e0%a4%b2%e0%a4%bf%e0%a4%95-%e0%a4%b8%e0%a4%bf%e0%a4%b2%e0%a5%87%e0%a4%82%e0%a4%a1%e0%a4%b0\/%e0%a4%b9%e0%a4%be%e0%a4%87%e0%a4%a1%e0%a5%8d%e0%a4%b0%e0%a5%8b%e0%a4%b2%e0%a4%bf%e0%a4%95-%e0%a4%aa%e0%a4%be%e0%a4%b5%e0%a4%b0-%e0%a4%af%e0%a5%82%e0%a4%a8%e0%a4%bf%e0%a4%9f\/\" style=\"color:#1e5091;font-weight:600\">Full HPU product range &#8594;<\/a><\/p>\n<div class=\"ep-img\"><img decoding=\"async\" src=\"https:\/\/hydrauliccylindersmanufacturer.com\/wp-content\/uploads\/2026\/01\/hydraulic-cylinder-manufacturer5.webp\" alt=\"EVER POWER forward stacker hydraulic power unit manufacturing Hangzhou China\" title=\"\"><\/div>\n<h3>Quality Assurance &amp; Certifications<\/h3>\n<p>Every forward stacker hydraulic power unit undergoes a documented multi-stage quality programme: incoming motors and pumps verified by current-draw and flow bench test; valve block spool bores measured by air gauge to &#177;0.01 mm; cartridge valve seat leak tested at rated pressure; manifold assembly leak-checked on nitrogen bench; complete unit functional test at rated voltage, rated load, and max pressure; no-load current, rated-load current, and full-load current recorded on test report. ISO 9001:2015 certified quality management system. CE documentation maintained for EU-bound OEM shipments. Full test report and component certificates accompany every container shipment from Ningbo Port, Zhejiang, China.<\/p>\n<h3>10-Step Production Process<\/h3>\n<div class=\"ep-prod\">\n<div class=\"step\">\n<h5>01 Component Incoming<\/h5>\n<p>Motors, pumps, valves, and reservoir blanks verified by dimensional check and electrical\/flow test against incoming specification.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>02 Reservoir Fabrication<\/h5>\n<p>Steel or aluminium reservoir welded, cleaned, and pressure-tested; port bosses machined to port-thread specification.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>03 Pump Assembly<\/h5>\n<p>Gear pump assembly in a clean-room cell; gear clearance measured; pump bench-tested at rated pressure for volumetric efficiency.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>04 Motor Testing<\/h5>\n<p>DC\/BLDC\/AC motor no-load current, insulation resistance, and torque verified before pump coupling. Any out-of-spec unit rejected.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>05 Valve Block Machining<\/h5>\n<p>Spool bores machined to H6 tolerance on CNC machining centres; all threaded ports torqued to specification; particle cleanliness verified.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>06 Manifold Assembly<\/h5>\n<p>Cartridge valves, solenoid coils, pressure relief valves, and check valves installed to manifold; torque recorded; coil polarity verified.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>07 System Assembly<\/h5>\n<p>Pump-motor sub-assembly mounted to reservoir; manifold coupled; all hydraulic connections made and leak-checked on nitrogen bench.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>08 Electrical Wiring<\/h5>\n<p>Motor power cables, solenoid coil wires, and connector harness assembled and routed; terminal crimps pull-tested; insulation resistance verified.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>09 Functional Test<\/h5>\n<p>Complete HPU tested at rated voltage and rated load: pressure setting, flow rate, no-load current, full-load current, and thermal rise recorded.<\/p>\n<\/div>\n<div class=\"step\">\n<h5>10 Export Packing<\/h5>\n<p>Oil drain ports plugged; unit bubble-wrapped; ISPM-15 fumigated crate; desiccant inside; container-loaded at Ningbo Port, Zhejiang, China.<\/p>\n<\/div>\n<\/div>\n<div style=\"text-align:center;margin:16px 0\"><a href=\"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%b9%e0%a4%ae%e0%a4%b8%e0%a5%87-%e0%a4%b8%e0%a4%82%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%95-%e0%a4%95%e0%a4%b0%e0%a5%87%e0%a4%82\/\" class=\"ep-btn ep-btn-blue\">Get a Quote &#8594;<\/a><\/div>\n<div class=\"ep-img\"><img decoding=\"async\" src=\"https:\/\/hydrauliccylindersmanufacturer.com\/wp-content\/uploads\/2026\/01\/hydraulic-cylinder-manufacturer2.webp\" alt=\"EVER POWER hydraulic power unit production line Hangzhou\" title=\"\"><\/div>\n<h2>Sourcing from Hangzhou, China<\/h2>\n<p>EVER POWER ships the forward stacker hydraulic power unit from our Hangzhou plant through Ningbo Port &#8212; 150 km away &#8212; on weekly container sailings. Standard catalogue HPUs dispatch within 7&#8211;15 working days; custom configurations within 20&#8211;35 working days. Transit: Rotterdam 28&#8211;32 days, Los Angeles 18&#8211;22 days, Sydney 16&#8211;20 days, Santos 22&#8211;28 days. Air freight samples depart Hangzhou Xiaoshan International Airport within 3 working days. Domestic Chinese OEM buyers receive dispatch in 2&#8211;3 working days. Payment: 30% TT deposit, balance against B\/L copy; LC at sight above USD 30,000; Trade Assurance to USD 100,000. FOB Ningbo, CIF, and DDP all supported.<\/p>\n<div itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div class=\"ep-faq\">\n<details>\n<summary itemprop=\"name\">How many hydraulic functions does the forward stacker HPU support?<\/summary>\n<p itemprop=\"text\">Standard configurations support 3 functions (FST-24-15, FST-48-15: lift + tilt + reach), 4 functions (FST-48-22-4F: lift + tilt + reach + side-shift), or 5 functions (FST-48-30-5F: 4F + attachment circuit). A 6th circuit for dual-attachment actuation is available as a custom option. Send your stacker model and required function list for a circuit architecture recommendation.<\/p>\n<\/details>\n<details>\n<summary itemprop=\"name\">Can the modular manifold sections be replaced in the field without special tools?<\/summary>\n<p itemprop=\"text\">Yes. Each manifold section is attached to the central body with M8 hex socket cap screws accessible from the front face. Replacement requires a hex key set, an O-ring replacement kit (supplied with each service section kit), and an oil drain container. The relevant cylinder circuit should be lowered to ground before section removal to relieve circuit pressure. Full illustrated service procedure is supplied with every FST-series HPU.<\/p>\n<\/details>\n<details>\n<summary itemprop=\"name\">Does EVER POWER supply the FST HPU with CAN bus integration for stacker controllers?<\/summary>\n<p itemprop=\"text\">Yes. CANopen and EPOS2\/EPOS4-compatible CAN bus solenoid valve driver integration is available on all FST-48 series configurations. EVER POWER supplies the HPU with CAN bus valve driver board pre-installed and the CAN bus object dictionary in EDS format for OEM integration into the stacker controller.<\/p>\n<\/details>\n<details>\n<summary itemprop=\"name\">What is the minimum order quantity?<\/summary>\n<p itemprop=\"text\">Standard FST-series in standard configurations: minimum 10 units. Custom function count, custom pressure settings, or custom manifold footprint: 10-unit prototype batch, 50-unit production run.<\/p>\n<\/details>\n<details>\n<summary itemprop=\"name\">Do you supply spare parts for the forward stacker HPU?<\/summary>\n<p itemprop=\"text\">Yes. Individual manifold section replacement kits (manifold body + solenoid valve + flow control + lowering valve + all seals) are stocked for all FST-series models. Solenoid coil replacements, pump gear kits, reservoir gasket sets, and motor brush kits are available separately. Specify the FST model number when ordering service parts.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<div class=\"ep-cta-banner\">\n<h3>Ready to Specify Your Forward Stacker HPU?<\/h3>\n<p>Share stacker model, required functions, voltage, rated capacity, and annual volume. EVER POWER replies within 24 hours with a written quote and circuit layout drawing.<\/p>\n<p><a href=\"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/%e0%a4%b9%e0%a4%ae%e0%a4%b8%e0%a5%87-%e0%a4%b8%e0%a4%82%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%95-%e0%a4%95%e0%a4%b0%e0%a5%87%e0%a4%82\/\" class=\"ep-btn\" style=\"background:#fff;color:#d62828\">Inquire Now &#8594;<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<div style=\"font-family:Arial,sans-serif;color:#1a2332;font-size:15px;line-height:1.6\">\n<p style=\"margin:0 0 10px\"><strong style=\"color:#1e5091\">EVER POWER FST Series<\/strong> &#8212; Forward Stacker Hydraulic Power Unit manufactured in Hangzhou, China.<\/p>\n<ul style=\"margin:0 0 10px;padding-left:20px;color:#334e6c\">\n<li><strong>Voltage:<\/strong> 24V \/ 48V DC<\/li>\n<li><strong>Motor:<\/strong> 1.5&#8211;3.0 kW<\/li>\n<li><strong>Circuits:<\/strong> Lift + Tilt + Reach + Side-shift<\/li>\n<li><strong>Modular manifold, 5th circuit option<\/strong><\/li>\n<li><strong>\u0928\u093f\u0930\u094d\u092f\u093e\u0924 \u0915\u0930\u0928\u093e:<\/strong> \u0928\u093f\u0902\u0917\u092c\u094b \u092c\u0902\u0926\u0930\u0917\u093e\u0939 \u0938\u0947 30 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0926\u0947\u0936\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0938\u0902\u092a\u0930\u094d\u0915 \u092e\u093e\u0930\u094d\u0917<\/li>\n<li><strong>\u0938\u092e\u092f \u0938\u0940\u092e\u093e:<\/strong> 7&#8211;15 days stock, 20&#8211;35 days custom<\/li>\n<\/ul>\n<p style=\"margin:0;color:#d62828;font-weight:700\">Written quote within 24 hours. MOQ from 10 units.<\/p>\n<\/div>","protected":false},"featured_media":3600,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1139],"product_tag":[1163,1159,1162,1161,1160],"class_list":{"0":"post-3601","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-hydraulic-power-unit","7":"product_tag-china-stacker-hpu-manufacturer","8":"product_tag-forward-stacker-hydraulic-power-unit","9":"product_tag-multi-function-hpu","10":"product_tag-pedestrian-stacker-lift-pump","11":"product_tag-reach-stacker-hpu","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/product\/3601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/comments?post=3601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/media\/3600"}],"wp:attachment":[{"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/media?parent=3601"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/product_brand?post=3601"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/product_cat?post=3601"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hydrauliccylindersmanufacturer.com\/hi\/wp-json\/wp\/v2\/product_tag?post=3601"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}