{"id":2249,"date":"2026-06-25T07:36:33","date_gmt":"2026-06-25T07:36:33","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/?post_type=product&p=2249"},"modified":"2026-06-25T07:36:33","modified_gmt":"2026-06-25T07:36:33","slug":"scissor-fork-aerial-work-vehicle-steering-hydraulic-cylinder-double-acting","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/id\/produk\/scissor-fork-aerial-work-vehicle-steering-hydraulic-cylinder-double-acting\/","title":{"rendered":"Scissor Fork Aerial Work Vehicle Steering Hydraulic Cylinder \u2014 Double-Acting"},"content":{"rendered":"
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<\/p>\n

\n
\n
<\/div>\n
Scissor Lift \u00b7 Steering System \u00b7 Ultra-Compact \u00b7 Double-Acting<\/div>\n

Scissor Fork Aerial Work Vehicle
\nSteering Hydraulic Cylinder<\/h2>\n

The lifting cylinder raises the platform \u2014 but the steering cylinder decides where that platform goes. On a scissor lift aerial work platform, the steering cylinder pivots the rear drive wheels through a 125\u2013150 mm stroke that translates into approximately 70\u00b0 of total wheel angle. This is not high-speed vehicle steering \u2014 it is slow, deliberate, millimetre-accurate repositioning of a machine that carries personnel, tools, and materials at height. The steering response must be smooth and predictable, because the operator standing on the elevated platform feels every jerk, every delay, and every overshoot through the soles of their feet.<\/p>\n

\n
\n
\u03a640<\/div>\n
Bore (mm)<\/div>\n<\/div>\n
\n
125\u2013150<\/div>\n
Stroke (mm)<\/div>\n<\/div>\n
\n
3\u20134 kg<\/div>\n
Weight<\/div>\n<\/div>\n
\n
17<\/div>\n
Components<\/div>\n<\/div>\n
\n
20<\/div>\n
MPa Max<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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Technical Specifications \u2014 2 Steering Cylinder Models<\/h2>\n

Two models address the two dominant port standards in the scissor lift industry. The hydraulic performance is similar; the primary selection factor is the port thread standard on the platform’s steering circuit.<\/p>\n

\"Forklift-Steering-Hydraulic-Cylinder-Dimensions-4\"<\/p>\n

\n\n\n\n\n\n\n
Cylinder Name<\/th>\nDrawing Number<\/th>\nBore (D)<\/th>\nRod (d)<\/th>\nStroke (S)<\/th>\nInstall Dist (L)<\/th>\nPressure<\/th>\nPorts (M)<\/th>\nWeight<\/th>\n<\/tr>\n<\/thead>\n
Steering cylinder<\/td>\n140XEN-620300-001<\/td>\n\u03a640<\/td>\n\u03a620<\/td>\n125<\/td>\n400<\/td>\n20 MPa<\/td>\n2-G1\/4<\/td>\n3 kg<\/td>\n<\/tr>\n
Steering cylinder<\/td>\nDL4020-00A<\/td>\n\u03a640<\/td>\n\u03a620<\/td>\n150<\/td>\n400<\/td>\n12 MPa<\/td>\n2-M14\u00d71.5<\/td>\n4 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n
Acting Type<\/td>\nDouble-acting (left & right steering under pressure)<\/td>\n<\/tr>\n
Architecture<\/td>\n17-component with dual back-ring system<\/td>\n<\/tr>\n
Body Material<\/td>\n20# \/ 45# steel<\/td>\n<\/tr>\n
Seal Options<\/td>\nParker, NOK, Hallite, Busak Shamban<\/td>\n<\/tr>\n
Certification<\/td>\nISO 9001:2015, ISO 14001, ISO 45003<\/td>\n<\/tr>\n
Quality<\/td>\n100% pressure + leakage tested \u00b7 Certificate provided<\/td>\n<\/tr>\n
MOQ \/ Warranty<\/td>\n1 piece \/ 1 year<\/td>\n<\/tr>\n
Shipping<\/td>\nCarton \u00b7 Port: Shanghai \/ Ningbo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

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Why Scissor Lift Steering Is a Different Engineering Problem<\/h2>\n

A forklift steering cylinder turns the rear wheels at typical driving speed while the operator sits in a cab at ground level. A scissor lift steering cylinder turns the drive wheels at walking pace while personnel stand on an elevated platform. The speed difference is an order of magnitude, and the consequences of imprecise steering are fundamentally different \u2014 a forklift that overshoots a steering correction wastes a second; a scissor lift that overshoots puts personnel off-balance at height.<\/p>\n

\"Scissor<\/p>\n

\n
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Ultra-Low Speed Precision<\/h3>\n

The aerial work vehicle steering cylinder<\/a> operates at creep speed \u2014 the platform drives at walking pace during positioning. At these speeds, the hydraulic flow rate through the cylinder is very low (1\u20133 L\/min compared to 8\u201315 L\/min on a forklift steering circuit). The cylinder must respond smoothly at this minimal flow without stick-slip, judder, or dead zones. This requires an ultra-smooth bore finish \u2014 tighter than typical forklift steering cylinder specification \u2014 and a rod seal with very low breakaway friction.<\/p>\n<\/div>\n

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Platform Stability Under Steering Input<\/h3>\n

When a scissor lift changes direction at height, the elevated platform mass creates a lateral inertia force that the chassis must absorb through the wheel contact patches. Any abrupt steering input \u2014 from a sticky cylinder that suddenly breaks free, or a cylinder that overshoots due to internal leakage \u2014 generates a lateral jolt that personnel feel as a sway or lurch. The steering cylinder must provide proportional, linear response: 10\u00b0 of steering input should produce exactly 10\u00b0 of wheel angle, with no lag, no overshoot, and no dead band around the centre position.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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17-Component Architecture \u2014 Why 2 More Parts Than the Lifting Cylinder<\/h2>\n

The scissor lift lifting cylinder has 15 components. This steering cylinder has 17. The two additional components are a second back-ring and a nut \u2014 both required because this is a double-acting cylinder. The back-rings support the U-ring seals against pressure from both directions (extend and retract), while the nut secures the piston to the rod under bidirectional loading. Single-acting cylinders do not need these components because pressure only acts in one direction.<\/p>\n

\"Scissor-Fork-Aerial-Work-Vehicle-Steering-Hydraulic-Cylinder-Parts-1\"<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nComponent<\/th>\n#<\/th>\nComponent<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nCylinder Housing Assy<\/td>\n10<\/td>\nBack-Ring<\/td>\n<\/tr>\n
2<\/td>\nGuide Bush<\/td>\n11<\/td>\nO-Ring<\/td>\n<\/tr>\n
3<\/td>\nPiston<\/td>\n12<\/td>\nDu Bush<\/td>\n<\/tr>\n
4<\/td>\nPiston Rod<\/td>\n13<\/td>\nHole Seal<\/td>\n<\/tr>\n
5<\/td>\nDust Wiper<\/td>\n14<\/td>\nO-Ring<\/td>\n<\/tr>\n
6<\/td>\nBack-Ring \u25c6<\/td>\n15<\/td>\nWear-Ring<\/td>\n<\/tr>\n
7<\/td>\nU-Ring<\/td>\n16<\/td>\nNut \u25c6<\/td>\n<\/tr>\n
8<\/td>\nO-Ring<\/td>\n17<\/td>\nSet Screws<\/td>\n<\/tr>\n
9<\/td>\nBack-Ring<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u25c6 Components specific to the double-acting steering configuration \u2014 not present in the single-acting lifting cylinder.<\/p>\n<\/section>\n

<\/p>\n

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Two Models \u2014 Same Bore, Different Pressure and Port Standards<\/h2>\n

Both models share the same \u03a640 bore and \u03a620 rod, producing identical steering force at equal pressure. The difference lies in the working pressure rating and the port thread standard \u2014 reflecting two design philosophies in the scissor lift industry.<\/p>\n

\"Aerial<\/p>\n

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140XEN \u2014 High-Pressure, BSP Ports<\/h3>\n

20 MPa working pressure with G1\/4 (BSP) port threads. Designed for scissor lift platforms where the steering circuit shares the pump with the lift circuit and may see pressure spikes during simultaneous operation. The higher pressure rating provides margin for transient peaks. BSP ports are standard on European and Australian-market scissor lifts from manufacturers such as Haulotte, Skyjack, and JLG.<\/p>\n

125 mm stroke \u00b7 3 kg \u00b7 BSP thread<\/div>\n<\/div>\n
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DL4020 \u2014 Standard-Pressure, Metric Ports<\/h3>\n

12 MPa working pressure with M14\u00d71.5 metric port threads. Designed for scissor lifts with a dedicated steering pump or an isolated steering circuit where the pressure is separately regulated. The lower pressure rating reflects a circuit that does not share flow or pressure with the lift system. Metric ports are standard on Chinese-manufactured scissor lifts and many Asian-market platforms.<\/p>\n

150 mm stroke \u00b7 4 kg \u00b7 Metric thread<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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Steering Cylinder vs Lifting Cylinder \u2014 Same Machine, Different Engineering<\/h2>\n

\"Hydraulic<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSteering Cylinder<\/th>\nLifting Cylinder<\/th>\n<\/tr>\n<\/thead>\n
Acting type<\/td>\nDouble-acting<\/td>\nSingle-acting<\/td>\n<\/tr>\n
Bore<\/td>\n\u03a640<\/td>\n\u03a663\u2013\u03a675<\/td>\n<\/tr>\n
Stroke<\/td>\n125\u2013150 mm<\/td>\n563\u20131,269 mm<\/td>\n<\/tr>\n
Weight<\/td>\n3\u20134 kg<\/td>\n17\u201360 kg<\/td>\n<\/tr>\n
Components<\/td>\n17 (dual back-ring)<\/td>\n15 (composite bearing)<\/td>\n<\/tr>\n
Critical quality<\/td>\nSmooth low-speed response<\/td>\nLoad holding \/ zero drift<\/td>\n<\/tr>\n
Bore finish<\/td>\nUltra-smooth (precision-honed)<\/td>\nStandard honed finish<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

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Scissor Lift Steering Cylinder \u2014 Technical Questions<\/h2>\n
\n
\n

The steering feels jerky at low speed \u2014 is this the steering cylinder or the control valve?<\/h3>\n

On scissor lifts, jerky low-speed steering is almost always the cylinder, not the valve. The symptom is called “stick-slip” \u2014 the rod seal friction exceeds the hydraulic driving force at very low flow rates, so the rod sticks in place until enough pressure builds to overcome the friction, then it jumps forward abruptly. The cycle repeats: stick, jump, stick, jump. The cause is a rod seal that has hardened from age, cold temperature, or chemical incompatibility with the hydraulic fluid. Replacing the steering cylinder with a new unit (with fresh, correctly specified seals) eliminates stick-slip immediately.<\/p>\n<\/div>\n

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Can I use a forklift steering cylinder on my scissor lift?<\/h3>\n

No. Forklift steering cylinders<\/a> are typically \u03a665\u2013\u03a680 bore \u2014 far larger than the \u03a640 bore of the scissor lift steering cylinder. A larger bore produces too much force for the scissor lift’s lightweight steering linkage and creates a steering response that is far too fast and sensitive for safe platform operation. Even if you could adapt the mounting, the mismatch in force and response rate would make the machine dangerous to operate \u2014 the platform would lurch unpredictably with every steering input.<\/p>\n<\/div>\n

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How do I choose between the 140XEN (G1\/4) and the DL4020 (M14\u00d71.5)?<\/h3>\n

Look at the hydraulic fittings on the steering hoses of your scissor lift. If the hose ends have BSP (British Standard Pipe) thread fittings \u2014 the most common standard on European and Australian-market platforms \u2014 order the 140XEN with G1\/4 ports. If the hose ends have metric thread fittings \u2014 standard on Chinese-manufactured platforms \u2014 order the DL4020 with M14\u00d71.5 ports. The port thread must match exactly; there is no adapter that reliably converts between BSP and metric on a steering circuit that cycles thousands of times per day.<\/p>\n<\/div>\n

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How long does a scissor lift steering cylinder typically last?<\/h3>\n

Under normal operating conditions, 3,000\u20136,000 hours \u2014 shorter than the lifting cylinder because the steering cylinder cycles more frequently (continuous corrections during every second of driving) and operates double-acting (both seal directions wear simultaneously). On rental fleet machines that drive extensively between work positions on construction sites, the steering cylinder is often the first cylinder to need replacement. For machines that are positioned once and then work stationary for hours, the steering cylinder can last significantly longer. Contact Korea Ever-Power<\/a> for a replacement quotation when steering becomes heavy, jerky, or the rod shows external oil.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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Customer Reviews<\/h2>\n
\n
\n
Kevin L.<\/strong>
\nVerified Purchase \u00b7 April 2025<\/span><\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n

Replaced the steering cylinder on a JCPT0607 electric scissor \u2014 the old one had bad stick-slip at low speed that was driving our operators crazy. They’d turn the wheel and nothing would happen for half a second, then the platform would jerk sideways. New Ever-Power DL4020 cylinder eliminated the problem completely. Smooth, proportional steering from the first use. The whole swap took about 45 minutes including bleeding. At 4 kg it’s light enough to hold in one hand while threading the fittings with the other.<\/p>\n<\/div>\n

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AccessHire UK<\/strong>
\nVerified Purchase \u00b7 February 2025<\/span><\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n

We hire out 120+ scissor lifts across the Midlands. Steering cylinders are a consumable item for us \u2014 the rental machines get driven hard on building sites and the steering is the first thing to go. We’ve been buying the 140XEN from Ever-Power for about 6 months now, 18 units installed so far across Skyjack and our Chinese-brand fleet. G1\/4 ports fit the Skyjacks perfectly. Zero returns. The price per unit is roughly 60% of the OEM equivalent which makes a real difference at our volume.<\/p>\n<\/div>\n

\n
Marco P.<\/strong>
\nVerified Purchase \u00b7 June 2025<\/span><\/div>\n
\u2605\u2605\u2605\u2605\u2606<\/div>\n

Good cylinder, correct dimensions, works well. The only thing I would change is the packaging \u2014 ours arrived in a simple plastic bag inside a cardboard box with newspaper padding. For a precision hydraulic component I’d expect foam inserts or at minimum bubble wrap. The port caps were properly installed though, so no contamination entered the cylinder. Performance after installation is perfect \u2014 smooth steering with no dead zone at centre. Four stars because the product is great but the packaging could be more professional.<\/p>\n<\/div>\n

\n
Hasan E.<\/strong>
\nVerified Purchase<\/span><\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n

We needed the DL4020 for a Chinese-brand 8m scissor lift operating on a construction site in Istanbul. The original steering cylinder started leaking at around 2,800 hours \u2014 not surprising given the amount of dust on our site. The Ever-Power replacement arrived in 17 days. Perfect fit, metric ports matched, steering response is excellent. We also ordered the lifting cylinder at the same time for a second machine. Both performing well after 3 months of daily outdoor use.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Other Aerial Work Vehicle Cylinders<\/h2>\n
\n
\n

\"Scissor<\/p>\n

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Scissor Lift Lifting Cylinder<\/h3>\n

Single-acting, 3 models, \u03a663\u2013\u03a675 bore, 563\u20131,269 mm stroke.<\/p>\n<\/div>\n<\/div>\n

\n

\"Boom<\/p>\n

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Boom Lift Cylinders<\/h3>\n

Steering, floating, lower arm, upper arm for boom-type platforms.<\/p>\n<\/div>\n<\/div>\n

\n

\"Forklift<\/p>\n

\n

Forklift Cylinders \u2192<\/a><\/h3>\n

Lift, tilt, steering, accessories \u2014 complete forklift range.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

The steering cylinder on a scissor lift aerial work platform does not turn the machine like a car or forklift \u2014 it pivots the drive wheels through a short, precise arc that repositions the entire platform at walking speed. At only 3\u20134 kg and \u03a640 bore, this is the smallest and lightest cylinder on the scissor lift, yet its functional importance is disproportionate to its size: without accurate steering, the platform cannot position itself under the work area, cannot navigate between obstacles on a construction site, and cannot be driven onto a transport trailer for relocation. Korea Ever-Power produces two models of this ultra-compact double-acting steering cylinder \u2014 covering both G1\/4 and M14\u00d71.5 port standards \u2014 with a 17-component architecture designed for the low-speed, high-precision steering demands of mobile elevating work platforms.<\/div>\n

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