{"id":2565,"date":"2026-07-01T06:03:16","date_gmt":"2026-07-01T06:03:16","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/product\/aerial-work-platform-leveling-cylinder\/"},"modified":"2026-07-01T06:03:26","modified_gmt":"2026-07-01T06:03:26","slug":"aerial-work-platform-leveling-cylinder","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/da\/vare\/aerial-work-platform-leveling-cylinder\/","title":{"rendered":"Aerial Work Platform Leveling Cylinder"},"content":{"rendered":"

<\/p>\n
\n \"Aerial<\/p>\n
\n Aerial Work Platform \u00b7 5th of 7<\/span><\/p>\n

Aerial Work Platform
Leveling Cylinder<\/h2>\n

The invisible cylinder. Workers never notice it \u2014 when it works. The basket stays level as the boom swings from horizontal to 80\u00b0. But if it fails, the basket tilts, tools slide off the edge at 30 metres, and workers grip the railing instead of working.<\/p>\n

\n
85\u2013180mm<\/span>Bore<\/span><\/div>\n
\u2264300mm<\/span>Shortest Stroke<\/span><\/div>\n
\u00b12\u00b0<\/span>Level Accuracy<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n
\n

Why Only 300 mm of Stroke Is Enough to Level a Platform Through 80\u00b0 of Boom Travel<\/span><\/h2>\n

\"Leveling<\/p>\n

\n \"Aerial<\/p>\n

The leveling cylinder mounts at the basket pivot \u2014 a short lever arm (typically 150\u2013300 mm from the pivot centre). The basket only needs to rotate \u00b110\u201315\u00b0 relative to the boom tip to compensate for the full boom angle range. Through the short lever arm, 300 mm of cylinder stroke converts to approximately 30\u00b0 of basket rotation \u2014 more than enough to keep the basket horizontal across the entire boom operating envelope from 0\u00b0 to 80\u00b0.<\/p>\n<\/div>\n

This makes the leveling cylinder the shortest-stroke hydraulic cylinder in the seven-product aerial work platform family (and comparable to the small excavator bulldozing cylinder #4 at 250 mm). But the short stroke creates a design challenge: the leveling adjustment must be precise. A 5 mm error in cylinder position translates to a 1\u20132\u00b0 tilt at the basket \u2014 and a 2\u00b0 tilt on a 2-metre-wide basket creates a 70 mm height difference between the two edges that workers can feel underfoot.<\/p>\n

Korea Ever-Power manufactures the leveling cylinder with low-friction seals and tight positional tolerance as the fifth of seven aerial work platform hydraulic cylinders<\/a>.<\/p>\n

<\/div>\n<\/section>\n
\n

Technical Specifications<\/span><\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product<\/td>\nAerial Work Platform Leveling Cylinder<\/td>\n<\/tr>\n
Function<\/td>\nAdjust basket angle to maintain horizontal (\u00b12\u00b0)<\/td>\n<\/tr>\n
Bore<\/td>\n85 mm \u2013 180 mm<\/td>\n<\/tr>\n
Rod<\/td>\n50 mm \u2013 100 mm<\/td>\n<\/tr>\n
Stroke<\/td>\n\u2264 300 mm (shortest in AWP family)<\/td>\n<\/tr>\n
Max Pressure<\/td>\n30 MPa<\/td>\n<\/tr>\n
Application<\/td>\nBoom lift basket leveling (articulating \/ telescopic)<\/td>\n<\/tr>\n
Certification<\/td>\nISO 9001 \u00b7 EN 280 \/ ANSI A92 compatible<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
\n
\n

Mechanical vs Hydraulic Leveling \u2014 Passive Geometry or Active Closed-Loop<\/h2>\n
\n
Mechanical parallelogram \u2014 no cylinder needed, but limited<\/strong><\/p>\n

Some simple boom lifts use a parallelogram linkage that keeps the basket level through geometry alone \u2014 no hydraulic cylinder, no sensor, no control system. This works on straight articulating booms but cannot compensate for boom deflection under load, thermal expansion, or wind loading. When the boom flexes under a full platform load, the geometric leveling is no longer accurate \u2014 and the basket tilts 3\u20135\u00b0 from horizontal.<\/p>\n<\/div>\n

Hydraulic cylinder + inclinometer \u2014 active, accurate<\/strong><\/p>\n

An inclinometer on the basket measures actual tilt. The control system compares it to horizontal and drives the leveling cylinder to correct the deviation \u2014 continuously, in real time. This active closed-loop system compensates for everything: boom angle, deflection, load, wind, and thermal effects. \u00b12\u00b0 accuracy across all operating conditions. Contact Korea Ever-Power<\/a> for leveling cylinder specifications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

\"Leveling<\/section>\n
\n

Manufacturing Process<\/span><\/h2>\n

The compact 300 mm stroke cylinder \u2014 overall retracted length approximately 400 mm \u2014 is honed to Ra 0.2\u20130.4 \u00b5m. Chrome 50 \u00b5m (the leveling cylinder is mounted at the basket pivot, partially shielded from debris). Low-friction PTFE guide rings and polyurethane seals for smooth, stick-slip-free proportional response \u2014 the cylinder adjusts continuously as the boom moves, making micro-corrections that workers cannot perceive.<\/p>\n

Every leveling cylinder is hydrostatic tested at 45 MPa and level-accuracy tested \u2014 the cylinder is installed on a test rig with an inclinometer, and the basket angle is measured at 10 boom positions across the full 0\u201380\u00b0 range. The maximum deviation from horizontal must be \u22642\u00b0 at every position.<\/p>\n<\/section>\n

\n

OEM & ODM<\/span><\/h2>\n
\n
\n
What You Provide<\/strong><\/div>\n
\n

Platform model, boom angle range, basket weight and dimensions, required level accuracy (\u00b1degrees), bore\/rod\/stroke, system pressure, leveling method (mechanical backup or full hydraulic), inclinometer interface, and basket pivot assembly drawing.<\/p>\n<\/div>\n<\/div>\n

\n
What the Factory Delivers<\/strong><\/div>\n
\n

Compact leveling cylinder with low-friction seals, chrome plating, and mounting dimensions. Hydrostatic + level-accuracy test certificate. Seal kits. Browse the aerial work platform cylinder family<\/a> and the Korea Ever-Power catalogue<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"Workshop\"<\/section>\n

\n

FAQ<\/span><\/h2>\n
\n
\n

Does every aerial platform have a leveling cylinder?<\/h3>\n

Only boom lifts \u2014 articulating and telescopic types where the boom angle changes during operation. Scissor lifts do not need leveling (the platform stays horizontal by the scissor geometry). Mast lifts do not need it (the platform is fixed to a vertical mast). On boom lifts, the leveling function is standard equipment.<\/p>\n<\/div>\n

\n

What happens if the leveling cylinder fails while workers are aloft?<\/h3>\n

The basket tilts to match the boom angle \u2014 workers feel the tilt immediately. A load-holding valve on the leveling cylinder prevents sudden collapse (the basket tilts gradually as the cylinder leaks, not instantly). The operator must stop boom motion and lower the platform to ground level for cylinder service. On platforms with mechanical parallelogram backup, the backup linkage limits the tilt to a survivable range even if the cylinder fails completely.<\/p>\n<\/div>\n

\n

How does the inclinometer achieve \u00b12\u00b0 accuracy?<\/h3>\n

A MEMS inclinometer on the basket measures tilt to \u00b10.1\u00b0 resolution. The control system drives the leveling cylinder proportionally \u2014 small corrections, continuously. The \u00b12\u00b0 limit is not the sensor accuracy (which is much better) but the allowable deviation in the safety standard, accounting for dynamic effects such as wind gusts and boom oscillation. Browse telescopic cylinders<\/a> and forklift cylinders<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\n

Related Categories<\/span><\/h2>\n
<\/p>\n
\n
\"Telescopic\"<\/div>\n
\n
Telescopic Hydraulic Cylinders \u2192<\/div>\n
Dump truck, trailer, hoist.<\/div>\n<\/div>\n<\/div>\n

<\/a><\/p>\n

\n
\"Forklift\"<\/div>\n
\n
Forklift Hydraulic Cylinders \u2192<\/div>\n
Lift, tilt, steer \u2014 OEM.<\/div>\n<\/div>\n<\/div>\n

<\/a><\/p>\n

\n
\"AWV\"<\/div>\n
\n
Aerial Work Vehicle Cylinders \u2192<\/div>\n
Scissor, boom, platforms.<\/div>\n<\/div>\n<\/div>\n

<\/a><\/div>\n<\/section>\n

<\/main><\/p>","protected":false},"excerpt":{"rendered":"

Aerial work platform leveling cylinder \u2014 the hydraulic actuator that keeps the platform basket horizontal regardless of boom angle. When the boom luffs from 0\u00b0 to 80\u00b0, the leveling cylinder adjusts the basket attachment angle to compensate \u2014 maintaining level within \u00b12\u00b0. Without it, the basket tilts with the boom, tools roll off the edge, materials slide, and workers grip the railing instead of working. The shortest stroke in the AWP family (\u2264300 mm) but one of the most safety-critical functions. Bore 85\u2013180 mm, 30 MPa. Korea Ever-Power. ISO 9001. OEM & ODM.<\/div>","protected":false},"featured_media":2566,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[854],"product_tag":[],"class_list":["post-2565","product","type-product","status-publish","has-post-thumbnail","product_cat-mobile-machinery-hydraulic-cylinders","pa_editor-cxm","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/product\/2565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/comments?post=2565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/media\/2566"}],"wp:attachment":[{"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/media?parent=2565"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/product_brand?post=2565"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/product_cat?post=2565"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/da\/wp-json\/wp\/v2\/product_tag?post=2565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}