{"id":2203,"date":"2026-06-23T08:49:09","date_gmt":"2026-06-23T08:49:09","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/?post_type=product&p=2203"},"modified":"2026-06-23T08:49:09","modified_gmt":"2026-06-23T08:49:09","slug":"forklift-steering-hydraulic-cylinder-double-acting-dual-rod-power-steering-cylinder","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/sr\/%d0%bf%d1%80%d0%be%d0%b8%d0%b7%d0%b2%d0%be%d0%b4\/forklift-steering-hydraulic-cylinder-double-acting-dual-rod-power-steering-cylinder\/","title":{"rendered":"Forklift Steering Hydraulic Cylinder \u2014 Double-Acting Dual-Rod Power Steering Cylinder for 2\u201310 Ton Forklifts"},"content":{"rendered":"
\n

<\/p>\n

\n
\n
\n
Double-Acting \u00b7 Dual-Rod \u00b7 3 Models<\/div>\n

Forklift Steering Hydraulic Cylinder \u2014 Dual-Rod Power Steering<\/h2>\n

The forklift steering cylinder is unlike every other cylinder on the machine. Where lift and tilt cylinders have a single piston rod extending from one end, the steering cylinder has two rods \u2014 one protruding from each end of the housing \u2014 connected to the steering tie rods that pivot the rear wheels left and right. When hydraulic pressure enters one port, the piston pushes one rod out while simultaneously pulling the opposite rod in, turning both rear wheels through a coordinated arc.<\/p>\n

This dual-rod, double-acting design means the steering cylinder is always under load in both directions. There is no gravity assist, no spring return, no neutral rest position where the cylinder is unloaded. The operator’s steering input \u2014 amplified through the orbital steering valve \u2014 continuously pressurises one side or the other of the piston throughout every turn, every correction, and every straight-line hold. Korea Ever-Power manufactures 3 models covering 2\u201310 tonne counterbalance forklifts with bore diameters of \u03a665 and \u03a680.<\/p>\n<\/div>\n

\n

\"Korea<\/p>\n

Dual-Rod<\/span>
\n15\u201320 kg<\/span>
\n10\u201316 MPa<\/span><\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Why Two Rods \u2014 The Geometry of Forklift Rear-Wheel Steering<\/h2>\n

Counterbalance forklifts steer with the rear wheels \u2014 the opposite of a car, where the front wheels steer. The rear steer axle carries two stub axles (one per wheel) connected by tie rods to the steering cylinder. The cylinder mounts transversely across the axle beam, with each piston rod connected to one tie rod via a ball joint or clevis pin. The dual-stroke specification (e.g., 2\u00d798 mm) means the piston travels 98 mm to the left of centre and 98 mm to the right of centre, providing equal turning geometry in both directions.<\/p>\n

This center-mount, dual-rod arrangement is mechanically necessary to achieve Ackermann steering geometry \u2014 the condition where the inner wheel turns through a larger angle than the outer wheel during a turn, so both wheels track along concentric arcs rather than scrubbing sideways. The cylinder stroke, the tie rod length, and the stub axle geometry are all interdependent. Changing any one dimension \u2014 including the cylinder stroke \u2014 alters the Ackermann angle and produces uneven tyre wear, increased steering effort, and poor straight-line tracking.<\/p>\n

\n
\n

Centre Position<\/strong><\/p>\n

Piston centred in bore. Both rods at equal extension. Rear wheels point straight ahead. Orbital valve in neutral \u2014 both cylinder ports blocked, holding the piston in position through trapped oil.<\/p>\n<\/div>\n

\n

Full Left Turn<\/strong><\/p>\n

Piston displaced to maximum left stroke. Left rod fully retracted, right rod fully extended. Right tie rod pushes the right wheel spindle inward; left tie rod pulls the left spindle outward. Both rear wheels turn left.<\/p>\n<\/div>\n

\n

Full Right Turn<\/strong><\/p>\n

Mirror image of the left turn. Right rod retracted, left rod extended. The symmetric dual-stroke design guarantees equal turning radius left and right \u2014 a manufacturing tolerance requirement that Korea Ever-Power holds to \u00b10.5 mm on stroke symmetry.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\n

Dimensional Specifications \u2014 3 Steering Cylinder Models<\/h2>\n

Three models cover the range from compact 2-tonne warehouse forklifts to heavy 10-tonne container handling machines. Note the dual-stroke notation: “2\u00d798” means 98 mm stroke in each direction from centre (196 mm total piston travel). The working pressures are lower than lift or tilt cylinders because steering loads are substantially smaller than lifting loads.<\/p>\n

<\/p>\n

Model R960 \u2014 Compact Class (2\u20133.5 Tonne)<\/p>\n

\"R960\"R960<\/div>\n
\n\n\n\n\n\n
Drawing 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
R960-224000-001<\/td>\n\u03a665<\/td>\n\u03a640<\/td>\n2\u00d798<\/td>\n672<\/td>\n10.5 MPa<\/td>\n2-G1\/4<\/td>\n15 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Model A2A300 \u2014 Mid-Range (3.5\u20135 Tonne)<\/p>\n

\"A2A300\"A2A300<\/div>\n
\n\n\n\n\n\n
Drawing 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
A2A300-223000-000<\/td>\n\u03a680<\/td>\n\u03a650<\/td>\n2\u00d7103<\/td>\n652.2<\/td>\n10 MPa<\/td>\n2-M16\u00d71.5<\/td>\n18 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Model XF250 \u2014 Heavy-Duty (5\u201310 Tonne)<\/p>\n

\"XF250\"XF250<\/div>\n
\n\n\n\n\n\n
Drawing 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
XF250-223000-500T<\/td>\n\u03a680<\/td>\n\u03a650<\/td>\n2\u00d794<\/td>\n654<\/td>\n16 MPa<\/td>\n2-M16\u00d71.5<\/td>\n20 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Stroke notation: 2\u00d7N means N mm stroke in each direction from piston centre position (total piston travel = 2N). Installation distance (L) measured clevis pin centre to clevis pin centre at piston centre position. Ports are located on the cylinder barrel between the two rod glands.<\/p>\n<\/section>\n

<\/p>\n

\n

16-Component Internal Assembly<\/h2>\n

The steering cylinder uses a simpler internal assembly than tilt or lift cylinders because it operates at lower pressure and shorter stroke. However, it requires two complete rod seal and gland assemblies \u2014 one at each end \u2014 because both ends of the housing must seal against a moving piston rod. This doubles the sealing surface area exposed to wear compared to a single-rod cylinder.<\/p>\n

\"Forklift<\/p>\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>\nHex Bolt<\/td>\n9<\/td>\nDust Wiper<\/td>\n<\/tr>\n
2<\/td>\nClevis<\/td>\n10<\/td>\nRod Seal<\/td>\n<\/tr>\n
3<\/td>\nSpring Washers<\/td>\n11<\/td>\nDu Bush<\/td>\n<\/tr>\n
4<\/td>\nHex Nut<\/td>\n12<\/td>\nCylinder Housing Assy<\/td>\n<\/tr>\n
5<\/td>\nGuide Bush<\/td>\n13<\/td>\nHole Seal<\/td>\n<\/tr>\n
6<\/td>\nO-Ring<\/td>\n14<\/td>\nPiston<\/td>\n<\/tr>\n
7<\/td>\nO-Ring<\/td>\n15<\/td>\nO-Ring<\/td>\n<\/tr>\n
8<\/td>\nRound Wire<\/td>\n16<\/td>\nPiston Rod<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Steering vs Tilt vs Lift \u2014 Why Steering Operates at Lower Pressure<\/h2>\n

A common question from forklift maintenance technicians: if all three forklift hydraulic cylinders<\/a> connect to the same hydraulic pump, why does the steering cylinder operate at a much lower pressure? The answer lies in the loads each cylinder handles.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSteering Cylinder<\/th>\nTilt Cylinder<\/th>\nLift Cylinder<\/th>\n<\/tr>\n<\/thead>\n
Typical Working Pressure<\/td>\n10\u201316 MPa<\/td>\n18.1 MPa<\/td>\n18.1 MPa<\/td>\n<\/tr>\n
Load Being Moved<\/td>\nRear axle weight only (~500 kg)<\/td>\nMast + load (~2\u20135 t)<\/td>\nFull payload (~1.5\u20133.5 t)<\/td>\n<\/tr>\n
Cylinder Action<\/td>\nDouble-acting, dual-rod<\/td>\nDouble-acting, single-rod<\/td>\nSingle-acting<\/td>\n<\/tr>\n
Cycle Frequency<\/td>\nContinuous (always active)<\/td>\nIntermittent<\/td>\nIntermittent<\/td>\n<\/tr>\n
Seal Wear Factor<\/td>\nHigh (continuous micro-movements)<\/td>\nModerate<\/td>\nModerate<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

The steering system uses a separate hydraulic circuit branch with a dedicated priority valve that guarantees steering flow even when the lift and tilt functions demand maximum pump output. This priority arrangement means the steering cylinder always receives its required flow \u2014 typically 8\u201315 L\/min \u2014 regardless of other hydraulic demands. The lower steering pressure is set by the orbital valve relief, not by the pump relief, providing an additional layer of circuit protection.<\/p>\n<\/section>\n

<\/p>\n

\n

What Operators Notice First \u2014 Steering Cylinder Wear Symptoms<\/h2>\n

Unlike lift cylinder problems (which produce visible fork drift) or tilt cylinder problems (which produce visible mast angle changes), steering cylinder wear is felt before it is seen. Operators detect steering problems through the steering wheel before any external evidence appears on the cylinder itself.<\/p>\n

\n
\n

Increasing Steering Wheel Play<\/strong><\/p>\n

The steering wheel must be turned further before the rear wheels begin to move. This “dead band” increases gradually over months. The cause is internal piston seal bypass \u2014 oil leaks past the piston from the pressurised side to the unpressurised side without moving the piston. A small amount of bypass is normal in worn seals, but when it becomes operator-detectable, the piston seal is approaching the end of its service life. Replace the full seal kit (both rod seals + piston seal).<\/p>\n<\/div>\n

\n

Uneven Turning Radius Left vs Right<\/strong><\/p>\n

The forklift turns more tightly in one direction than the other. Before blaming the cylinder, check the more common cause first: a bent tie rod, a worn ball joint, or a damaged clevis pin that limits the mechanical travel on one side. If the mechanical linkage checks out, the issue may be asymmetric rod seal wear \u2014 one end of the cylinder has more internal friction than the other, creating a pressure imbalance that limits effective stroke in one direction.<\/p>\n<\/div>\n

\n

Steering “Wander” at Highway Speed<\/strong><\/p>\n

The forklift does not hold a straight line during high-speed travel between work areas \u2014 it requires constant small steering corrections. This is the most subtle symptom and is often dismissed as normal behaviour. However, it indicates that the piston is not holding position under the dynamic loads generated by road surface irregularities. The trapped oil column on each side of the piston is leaking past the seal, allowing the road forces to shift the piston and change the wheel angle. This symptom warrants immediate inspection.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Steering Cylinder Application Environments<\/h2>\n
\"Forklift<\/div>\n
\n
\n

Narrow-Aisle Warehousing<\/h3>\n

Warehouses with aisle widths of 3.0\u20133.5 metres demand precise steering response with minimal dead band. The steering cylinder must translate small orbital valve inputs into immediate wheel angle changes for the operator to manoeuvre confidently in tight spaces. The R960 model (\u03a665 bore) provides the quick response that narrow-aisle work requires \u2014 the smaller bore volume means less oil displacement per degree of wheel turn, producing faster response at lower flow rates.<\/p>\n<\/div>\n

\n

Heavy Container Handling<\/h3>\n

Large counterbalance forklifts in the 7\u201310 tonne class handle loaded containers on port aprons and container yards where the rear axle load \u2014 amplified by the counterweight \u2014 can exceed 3 tonnes. The XF250 model at 16 MPa provides the steering force needed to turn the loaded rear axle on rough concrete surfaces where tyre-to-ground friction is high. The higher pressure rating also provides the reserve capacity for emergency steering manoeuvres under full load.<\/p>\n<\/div>\n

\n

Multi-Surface Operations<\/h3>\n

Forklifts that operate across multiple surface types \u2014 smooth warehouse floors, rough yard surfaces, gravel loading areas \u2014 subject the steering cylinder to rapidly changing load patterns. The transition from low-friction polished concrete to high-friction rough asphalt creates pressure spikes that test the seal integrity and rod surface quality. All Korea Ever-Power hydraulic cylinders<\/a> for steering applications use chrome rod surfaces rated for this mixed-surface duty profile.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Forklift Steering Cylinder \u2014 Frequently Asked Questions<\/h2>\n
\n
\n

What does the “2\u00d7” in the stroke specification mean?<\/h3>\n

It indicates a dual-direction stroke measured from the piston centre position. “2\u00d798” means 98 mm travel to the left and 98 mm travel to the right, for a total piston displacement of 196 mm. This notation is specific to centre-mount steering cylinders \u2014 single-rod cylinders specify just one stroke value. When ordering a replacement, do not confuse the single-direction stroke (98 mm) with the total stroke (196 mm); the installation distance is calculated based on the piston being at its centre position.<\/p>\n<\/div>\n

\n

The steering feels heavy only when making full-lock turns \u2014 is the cylinder failing?<\/h3>\n

Probably not. Heavy steering at full lock is usually caused by the steering relief valve setting \u2014 the system reaches the relief pressure at the end of the stroke, and the operator feels the increased resistance. This is a normal condition that protects the steering linkage from overload. If heavy steering occurs throughout the entire turn (not just at the end), then the issue is upstream: check the orbital steering valve, the priority valve, and the pump flow rate before removing the cylinder.<\/p>\n<\/div>\n

\n

Can I install a \u03a680 cylinder to replace a \u03a665 cylinder for “better” steering?<\/h3>\n

No. A larger bore cylinder requires more oil volume per mm of piston travel. The orbital steering valve is calibrated to displace a specific volume of oil per revolution of the steering wheel \u2014 it matches the original \u03a665 cylinder displacement. Installing a \u03a680 bore cylinder on a system designed for \u03a665 makes the steering sluggish (more wheel turns required for the same wheel angle change) and may cause incomplete turns because the orbital valve cannot deliver enough oil volume to reach full lock. Always match the bore to the OEM specification.<\/p>\n<\/div>\n

\n

How often should steering cylinder seals be replaced?<\/h3>\n

Steering cylinders wear faster than tilt or lift cylinders because they experience continuous micro-movements during every second of forklift operation \u2014 even driving in a straight line generates small corrective steering inputs. A typical replacement interval is 4,000\u20136,000 operating hours for the seal kit, or whenever the operator reports increased steering play. Because the steering cylinder has two rod glands (one at each end), always replace both rod seal sets simultaneously, even if only one end shows visible leakage.<\/p>\n<\/div>\n

\n

Is the steering cylinder interchangeable between electric and IC (diesel\/LPG) forklifts of the same tonnage?<\/h3>\n

Not necessarily. Electric and internal-combustion forklifts of the same rated capacity often use different rear axle geometries because the counterweight distribution differs (the IC engine mass replaces the battery mass but at a different location). This changes the tie rod angles and the cylinder mounting points, resulting in different installation distances even at the same bore and stroke. Always cross-reference by the forklift model and serial number, not by tonnage alone.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Complete the Forklift Cylinder Set<\/h2>\n
\n
\n

\"Forklift<\/p>\n

\n

Forklift Tilt Cylinder<\/h3>\n

Double-acting mast tilt cylinder, 7 models. Controls mast forward\/backward angle for secure load pickup and transport.<\/p>\n<\/div>\n<\/div>\n

\n

\"Forklift<\/p>\n

\n

Forklift Lifting Cylinder<\/h3>\n

Single-acting mast lift cylinder, 5 models. 1,500 mm stroke for standard and triplex mast configurations.<\/p>\n<\/div>\n<\/div>\n

\n

\"Aerial<\/p>\n

\n

Aerial Work Vehicle Cylinders \u2192<\/a><\/h3>\n

Steering, levelling, and boom cylinders for scissor lifts, boom lifts, and telehandler platforms.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

The steering cylinder is the only hydraulic cylinder on a forklift with two piston rods \u2014 one extending from each end of the housing. This dual-rod architecture converts the rotary motion of the steering wheel (through the orbital valve) into the linear push\u2013pull force that pivots the rear steer axle through equal left and right turn angles. Korea Ever-Power produces 3 steering cylinder models with \u03a665 and \u03a680 bores, dual strokes from 2\u00d794 to 2\u00d7103 mm, and working pressures from 10 to 16 MPa \u2014 matching rear-steer counterbalance forklifts from 2 to 10 tonnes. All three models use clevis-to-tie-rod end connections with 16-part precision assemblies.<\/div>","protected":false},"featured_media":2208,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[850],"product_tag":[],"class_list":["post-2203","product","type-product","status-publish","has-post-thumbnail","product_cat-forklift-hydraulic-cylinders","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/product\/2203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/comments?post=2203"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/media\/2208"}],"wp:attachment":[{"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/media?parent=2203"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/product_brand?post=2203"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/product_cat?post=2203"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/sr\/wp-json\/wp\/v2\/product_tag?post=2203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}