{"id":1088,"date":"2026-08-19T05:52:15","date_gmt":"2026-08-19T05:52:15","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?post_type=product&p=1088"},"modified":"2026-08-19T05:52:15","modified_gmt":"2026-08-19T05:52:15","slug":"ep-1225wb-2200w-12v-lift-gate-motor","status":"publish","type":"product","link":"https:\/\/superiortransmissioninc.com\/ko\/product\/ep-1225wb-2200w-12v-lift-gate-motor\/","title":{"rendered":"EP-1225WB 2200W 12V Lift Gate Motor"},"content":{"rendered":"
\n
\n

Lift Gate Motor Series<\/p>\n

EP-1225WB 2200W 12V
\n\ub9ac\ud504\ud2b8 \uac8c\uc774\ud2b8 \ubaa8\ud130<\/h1>\n

A high-output, 12V DC liftgate motor built for demanding commercial vehicle tailgate systems \u2014 delivering 2200W of sustained power with IP54 weather sealing and proven reliability across freight, logistics, and fleet applications worldwide.<\/p>\n

\ub9ac\ud504\ud2b8 \uac8c\uc774\ud2b8 \ubaa8\ud130<\/a><\/p>\n<\/div>\n

\n
\n
12V<\/div>\n
Rated Voltage<\/div>\n<\/div>\n
\n
2200W<\/div>\n
\uc815\uaca9 \ucd9c\ub825<\/div>\n<\/div>\n
\n
260A<\/div>\n
Rated Current<\/div>\n<\/div>\n
\n
10 N\u00b7m<\/div>\n
Rated Torque<\/div>\n<\/div>\n
\n
IP54<\/div>\n
Waterproof Grade<\/div>\n<\/div>\n
\n
CW<\/div>\n
Rotation<\/div>\n<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n

Technical Specifications \u2014 EP-1225WB Lift Gate Motor<\/h2>\n

The table below covers the complete factory-rated specifications for the EP-1225WB lift gate motor<\/strong>. These values apply at standard ambient temperature (25\u00b0C) and represent steady-state rated conditions unless otherwise noted.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Lift Gate Motor Parameter<\/th>\nValue<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
Motor Model<\/td>\nEP-1225WB<\/td>\nLift Gate Motor Series<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n12 V (DC)<\/td>\nPermanent magnet DC motor<\/td>\n<\/tr>\n
\uc815\uaca9 \ucd9c\ub825<\/td>\n2200 W<\/td>\nAt rated duty cycle<\/td>\n<\/tr>\n
Rated Current<\/td>\n260 A<\/td>\nPeak draw during start phase may be higher<\/td>\n<\/tr>\n
Rated Torque<\/td>\n10 N\u00b7m<\/td>\nSufficient for standard hydraulic liftgate pumps<\/td>\n<\/tr>\n
Duty Cycle<\/td>\n8min-10%ED (S2min-S3%)<\/td>\nIntermittent duty, matched to liftgate use pattern<\/td>\n<\/tr>\n
Insulation Class<\/td>\nClass F<\/td>\nMax winding temp 155\u00b0C<\/td>\n<\/tr>\n
Waterproof Rating<\/td>\nIP54<\/td>\nSplash-proof, dust-protected<\/td>\n<\/tr>\n
Number of Teeth<\/td>\n2<\/td>\nStandard gear interface<\/td>\n<\/tr>\n
Rotation Direction<\/td>\nCW (Clockwise)<\/td>\nStandard for most liftgate pump assemblies<\/td>\n<\/tr>\n
Motor Body Length<\/td>\n198.5 mm<\/td>\nRefer to outline diagram for full envelope<\/td>\n<\/tr>\n
Shaft Diameter<\/td>\n\u03c625.258 mm<\/td>\nOutput shaft end<\/td>\n<\/tr>\n
Scope of Application<\/td>\nCar Tailgate \/ Lift Gate<\/td>\nCommercial vehicles, delivery trucks, freight vans<\/td>\n<\/tr>\n
Configuration Options<\/td>\nCustomizable<\/td>\nContact us for OEM configuration details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"superiortransmissioninc-product-EP-1225WB<\/p>\n

\n
\n

Five Key Performance Advantages of Lift Gate Motor<\/h2>\n
\n
\n
\u2460 High-Output 12V Architecture<\/div>\n

At 2200W on a 12V platform, the EP-1225WB delivers a rated current of 260A \u2014 a level of power density that puts it among the most capable high torque electric motors<\/strong> in the lift gate segment. This translates directly into faster gate cycle times and the ability to handle heavier loads without motor strain.<\/p>\n<\/div>\n

\n
\u2461 IP54 Environmental Sealing<\/div>\n

The IP54 waterproof rating means the motor resists dust ingress and low-pressure water splashing from any direction \u2014 critical for motors mounted beneath truck beds, exposed to road spray, yard wash-downs, and wet loading docks. This rating directly extends service life in demanding logistics environments.<\/p>\n<\/div>\n

\n
\u2462 Class F Insulation System<\/div>\n

Class F insulation supports continuous operation at winding temperatures up to 155\u00b0C, providing a meaningful thermal margin above the elevated temperatures generated during peak-load gate cycles. This insulation class is standard for professional-grade DC electric motors<\/strong> used in vehicle auxiliary drive applications.<\/p>\n<\/div>\n

\n
\u2463 Duty-Cycle-Matched Design<\/div>\n

The 8min-10%ED duty cycle specification is not a limitation \u2014 it is a precise match to how liftgates actually operate. By engineering the motor around this real-world usage pattern rather than over-specifying for continuous duty, the EP-1225WB achieves an optimal balance of size, weight, and thermal performance for the liftgate motor assembly<\/strong> application.<\/p>\n<\/div>\n

\n
\u2464 Direct-Replacement Compatibility<\/div>\n

Designed with standard mounting interfaces and a CW rotation direction that matches the overwhelming majority of existing liftgate pump motor<\/strong> assemblies, the EP-1225WB supports straightforward lift gate motor replacement<\/strong> without hydraulic system modifications. This minimizes vehicle downtime and reduces service labor costs significantly.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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

DC Motor Working Principle \u2014 How This Lift Gate Motor Operates<\/h2>\n

Understanding the DC motor working principle<\/strong> behind the EP-1225WB helps explain why this motor design is so effective in liftgate applications. The EP-1225WB is a permanent magnet DC motor<\/strong>, meaning its stator field is generated by fixed rare-earth or ferrite magnets rather than an electromagnetic field winding. When DC voltage is applied to the armature (rotor) windings via the brush-commutator assembly, current flows through the conductors and interacts with the permanent magnetic field to generate a rotational force \u2014 the motor torque. This is the fundamental \uc9c1\ub958 \ubaa8\ud130 \uc791\ub3d9 \uc6d0\ub9ac<\/strong> that has powered vehicle auxiliary systems for decades: electrical energy converted to mechanical rotation through electromagnetic interaction.<\/p>\n

What sets the EP-1225WB apart from a generic \uc18c\ud615 DC \ubaa8\ud130<\/strong> is the scale and optimization of this design. The 12V architecture is chosen deliberately to match the standard electrical system of commercial vehicles \u2014 no voltage conversion or separate power supply is required. The 260A rated current, while demanding, is within the capability of properly rated solenoid contactors and wiring harnesses used in professional liftgate motor and pump<\/strong> systems. The brushed commutation design delivers robust stall-torque performance \u2014 critical during the initial movement phase when the gate is at its lowest and load leverage is greatest.<\/p>\n

In the typical hydraulic lift gate motor<\/strong> system, the EP-1225WB directly couples to a hydraulic gear pump. When the operator triggers the gate-up command, the motor spins the pump, which pressurizes hydraulic fluid and extends the lift cylinder. On descent, the motor either assists lowering or the system operates through controlled valve release. The motor’s performance curve \u2014 showing the relationship between speed, torque, current, and efficiency across the operating range \u2014 is engineered to keep efficiency high across the torque range most commonly encountered during standard gate cycles. This directly reduces battery drain per cycle, extending the vehicle’s operational range between charges.<\/p>\n<\/div>\n<\/div>\n

<\/div>\n
\"EP-1225WB<\/div>\n
\n
\n

Materials & Construction Quality<\/h2>\n

The material selection in the EP-1225WB reflects the requirements of a motor that will spend its service life in the undercarriage environment of a commercial vehicle \u2014 exposed to vibration, contaminated air, temperature swings, and occasional water exposure. The motor housing is fabricated from a cast aluminum alloy, chosen for its combination of structural rigidity, corrosion resistance, and thermal conductivity. Good thermal conductivity in the housing material is not incidental \u2014 it helps dissipate heat generated in the windings during high-current operation, directly supporting the motor’s duty cycle performance.<\/p>\n

The armature core is constructed from silicon steel laminations, a standard used across professional-grade \uc9c1\ub958 \uc804\uae30 \ubaa8\ud130<\/strong> to minimize eddy current losses and improve operating efficiency at elevated speeds. Armature windings use high-purity copper conductors with Class F insulating varnish \u2014 the same insulation class specified for industrial motors operating in demanding thermal environments. The permanent magnets in the stator use high-energy magnetic material that retains field strength across the operating temperature range, ensuring consistent performance as the motor heats up through a working shift.<\/p>\n

The brush assembly uses carbon-copper composite brushes matched to the commutator surface material, providing reliable electrical contact with controlled wear rates. The output shaft is precision-ground steel, hardened and finished to the specified diameter tolerance to ensure accurate coupling alignment with the hydraulic pump drive interface. Bearing selection \u2014 sealed ball bearings at both ends \u2014 is designed to provide long service intervals without re-lubrication under normal operating conditions. Together, these material choices reflect the kind of engineering discipline that differentiates a purpose-built power lift gate motor<\/strong> from a commodity substitution.<\/p>\n<\/div>\n

\n

Lift Gate Motor Application Scenarios<\/h2>\n

The EP-1225WB lift gate drive motor<\/strong> is deployed across a wide range of commercial and industrial vehicle applications. Below are the primary use environments where this motor delivers consistent performance.<\/p>\n

\n
\n
\ud83d\udce6 Last-Mile Delivery Trucks<\/div>\n

Urban freight vehicles operating multiple delivery stops per day rely on liftgates that cycle repeatedly throughout a shift. The EP-1225WB’s duty-cycle-matched design handles this high-frequency use pattern efficiently, maintaining reliable gate operation across the full working day without thermal overload.<\/p>\n<\/div>\n

\n
\ud83c\udfed Distribution Center Fleet Vehicles<\/div>\n

Distribution and warehouse operations require liftgate motors that can handle a range of payload weights, including palletized goods and heavy equipment. The 10 N\u00b7m torque output and 2200W power rating provide the hydraulic drive force needed for gate systems handling loads up to standard commercial tailgate capacity ratings.<\/p>\n<\/div>\n

\n
\ud83d\ude90 Refrigerated Transport Vehicles<\/div>\n

Cold-chain logistics vehicles present a challenging environment for electrical components \u2014 low ambient temperatures increase motor starting current demands while condensation creates additional moisture exposure risk. The IP54 sealing and Class F insulation of the EP-1225WB address both concerns directly, making it well suited for refrigerated van and box truck applications globally.<\/p>\n<\/div>\n

\n
\ud83d\udd27 Aftermarket Lift Gate Motor Replacement<\/div>\n

Fleet maintenance operations across the UK, Australia, Germany, and North America regularly require liftgate motor replacement<\/strong> on aging vehicles. The EP-1225WB’s standard CW rotation, compatible shaft dimensions, and 12V architecture make it a practical direct replacement for a wide range of original equipment motors, reducing parts sourcing complexity and vehicle downtime.<\/p>\n<\/div>\n

\n
\ud83c\udf0d OEM Liftgate System Manufacturers<\/div>\n

Manufacturers of complete liftgate assemblies in Europe, North America, Southeast Asia, and Australia specify motors by performance class and interface dimensions. The EP-1225WB’s documentation \u2014 including its full outline diagram, wiring schematic, and performance curve \u2014 supports smooth integration into new liftgate system designs with well-defined electrical and mechanical interfaces.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"EP-1225WB<\/div>\n
\n

How to Tell If a Liftgate Motor Is Bad<\/h2>\n

One of the most common service questions around liftgate motor replacement<\/strong> is: how to tell if a liftgate motor is bad?<\/em> Diagnosing a failing motor before complete failure prevents vehicle downtime and reduces the risk of a gate failure mid-operation. The most reliable indicators include: the gate responding slowly or hesitantly even under a light load; the motor drawing excessive current (measurable with a clamp meter at the battery connection) compared to its rated 260A; unusual grinding or rattling from the motor housing indicating bearing or commutator wear; the motor failing to start at all despite the solenoid engaging correctly; or visible burn marks, melted insulation, or a sharp electrical smell from the motor area.<\/p>\n

A systematic check involves testing battery voltage under load (should stay above 11V for a 12V system during motor operation), verifying solenoid operation, and then isolating the motor by direct-connection test with a known-good power source. If the motor fails to spin freely or produces abnormal noise under direct power, liftgate motor replacement is indicated. The EP-1225WB’s standardized dimensions and electrical interface make the replacement process straightforward for qualified vehicle technicians, typically requiring only a pump-motor coupling separation, three or four mounting fasteners, and reconnection of two power cables per the wiring diagram (terminals A1 and D2 as shown in the motor connection schematic).<\/p>\n<\/div>\n

\n

About Us \u2014 Over a Decade of Mechanical Engineering Expertise<\/h2>\n

With more than ten years of specialized experience in mechanical power transmission and industrial drive systems, our manufacturing operation produces a comprehensive portfolio of mechanical and electromechanical components for global industrial and agricultural markets. Our product range spans agricultural gearboxes, worm gear reducers, planetary gear drives, power take-off (PTO) shafts, hydraulic cylinders, gears, drive chains, and DC motors \u2014 including the complete lift gate motor<\/strong> line you are viewing here.<\/p>\n

Our facility operates under ISO 9001:2015 quality management certification, covering the full production process from raw material receiving through finished product inspection and dispatch. We design and manufacture a wide range of gearboxes and mechanical assemblies using materials selected for each application \u2014 ductile iron, cast iron, cast steel, precision investment cast steel, and cast aluminum \u2014 alongside precision-machined gears, sprockets, worm gears, pulleys, worm shafts, and both standard and engineered-to-order mechanical components. Our engineering team works directly with customers across Europe, North America, Australia, and Southeast Asia to specify components that meet application requirements, not just catalog specifications.<\/p>\n

Every liftgate motor<\/strong> we produce is subjected to incoming material inspection, in-process dimensional verification, and end-of-line electrical performance testing before release. We supply to OEM liftgate system assemblers, fleet maintenance suppliers, and industrial distributors who need consistent, documentable quality in the components they fit to commercial vehicles.<\/p>\n<\/div>\n

\n

\uc791\uc5c5\uc7a5<\/h3>\n
\n
\"Manufacturing
\n\"Gearbox
\n\"Cylinder
\n\"Machining<\/div>\n<\/div>\n<\/div>\n
\n

Related Products \u2014 Complete System Compatibility<\/h2>\n

We supply a full range of DC motor<\/strong> types and complementary drive system components. Pairing the right motor with the right ancillary components reduces system integration complexity and ensures electrical and mechanical compatibility from the outset \u2014 a genuine advantage of single-source supply.<\/p>\n

\n
\n
\uc804\uae30 \ubaa8\ud130<\/a><\/div>\n

\"Electric<\/p>\n

Our full line of \uc804\uae30 \ubaa8\ud130<\/a> covers permanent magnet DC motors, series-wound motors, and shunt-wound configurations across a wide voltage and power range. Whether you need a \uace0\ud1a0\ud06c DC \ubaa8\ud130<\/strong> for a hydraulic drive system or a dc motor high speed<\/strong> variant for a fan or blower application, we have a direct solution. All models are designed for compatibility with standard motor control and DC \ubaa8\ud130 \ub4dc\ub77c\uc774\ube0c<\/strong> electronics available globally.<\/p>\n<\/div>\n

\n
Car Tailgate Systems<\/div>\n

\"Car<\/p>\n

The EP-1225WB is the drive motor at the heart of a complete car tailgate<\/strong> system. We supply compatible hydraulic pump assemblies, solenoid contactors, wiring harness kits, and mounting hardware to support complete system builds or targeted component replacement. Specifying components from a single source simplifies procurement, ensures dimensional compatibility, and gives you a single point of contact for technical and warranty support \u2014 a genuine advantage in fleet maintenance operations worldwide.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"DC<\/div>\n
\n

\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n
\n
\nWhat causes a 12V hydraulic liftgate motor to fail prematurely on delivery trucks used in cold northern climates?<\/summary>\n
Cold ambient temperatures increase the viscosity of hydraulic fluid, requiring the motor to work harder at startup \u2014 effectively raising the torque and current demand. When combined with an aging battery that cannot sustain 12V under high current draw, the motor operates in a thermally stressed condition more frequently, accelerating brush and commutator wear. The fix starts with battery maintenance, proper cold-rated hydraulic fluid, and ensuring the motor’s rated current capacity \u2014 260A in the case of the EP-1225WB Lift Gate Motor \u2014 is not being routinely exceeded. Replacing an undersized or worn-out unit with a properly rated lift gate motor replacement<\/strong> resolves most cold-climate premature failure patterns.<\/div>\n<\/details>\n<\/div>\n
\n
\nHow do I know which lift gate motor is compatible with my existing hydraulic pump unit when sourcing a replacement?<\/summary>\n
The three critical matching parameters are: voltage (the EP-1225WB lift gate motor is 12V, must match your vehicle’s system voltage); shaft diameter and coupling interface (our motor uses a \u03c625.258mm output shaft \u2014 confirm your pump coupling accepts this); and rotation direction (CW, matching the majority of aftermarket liftgate pump assemblies). Power rating should meet or exceed the original specification \u2014 replacing with a 2200W motor where a lower-rated unit was fitted is acceptable and often improves reliability. If you have the original motor’s part number, our technical team can cross-reference it directly to confirm liftgate motor and pump<\/strong> compatibility before you order.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhere can fleet operators in Australia and the UK source a reliable liftgate motor replacement that meets European and Australian vehicle standards?<\/summary>\n
The EP-1225WB lift gate motor is available for export to Australia, the UK, and throughout Europe via our international distribution network. The lift gate motor’s IP54 sealing and Class F insulation ratings align with the environmental and performance requirements referenced in both Australian Design Rules (ADRs) for commercial vehicles and UK vehicle equipment standards. For fleet procurement teams sourcing in volume, we provide product documentation including performance curves, wiring diagrams, and outline drawings that support compliance assessment and integration engineering \u2014 contact us directly through the link on this page for regional supply enquiries.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhat is the difference between a permanent magnet DC motor and other DC motor types, and why is it preferred for hydraulic liftgate motor applications?<\/summary>\n
\uc5d0\uc774 \uc601\uad6c \uc790\uc11d DC \ubaa8\ud130<\/strong> uses fixed magnets for the stator field, giving it a simpler construction, better weight-to-power ratio, and linear speed-torque characteristics compared to series-wound or shunt-wound types. In a liftgate application, these characteristics matter practically: the motor’s speed naturally decreases as load increases (a beneficial self-regulating effect when the gate is carrying a heavy payload), and the elimination of field windings reduces the number of components that can fail in service. The result is a motor that is easier to control, lighter, and generally more reliable in intermittent high-current duty than alternative \uc9c1\ub958 \ubaa8\ud130<\/strong> topologies for this specific use case.<\/div>\n<\/details>\n<\/div>\n
\n
\nWhen should a liftgate motor and pump assembly be replaced together rather than servicing just the motor on a commercial freight vehicle?<\/summary>\n
If the pump shows signs of internal leakage (slow gate movement under light load, fluid bypassing internally), worn coupling interfaces, or significant contamination, replacing both the motor and pump together as a liftgate motor assembly<\/strong> makes more economic sense than a motor-only swap. When a motor fails due to overload, the pump is often contributing to that overload through increased internal friction or wear. Replacing one component while leaving a compromised pump in place frequently results in premature failure of the new motor. Our team can advise on whether a motor-only lift gate motor replacement<\/strong> is appropriate or whether a combined motor-pump assembly replacement is the better long-term decision for your fleet maintenance program.<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n

\ud3b8\uc9d1\uc790: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-1225WB is a purpose-built 12V DC liftgate motor rated at 2200W continuous output, engineered specifically for hydraulic lift gate systems on commercial delivery trucks, freight vans, and transport vehicles. Unlike general-purpose motors, this unit is designed from the ground up for the duty cycle demands of real-world liftgate operation \u2014 characterized by repetitive short bursts of high-torque actuation under variable load conditions. The motor operates on the 8min-10%ED duty cycle rating, meaning it is optimized for intermittent high-demand service rather than continuous running, exactly matching how a hydraulic lift gate motor works in daily fleet use.<\/p>\n

At its core, the EP-1225WB is a permanent magnet DC lift gate motor \u2014 a design long trusted in vehicle-mounted power systems for its compact footprint, straightforward speed-torque relationship, and ease of integration with existing 12V truck electrical systems. The motor produces a rated torque of 10 N\u00b7m, sufficient to reliably drive hydraulic pump assemblies that lift payloads meeting typical commercial liftgate load ratings. The clockwise (CW) rotation configuration is factory-standard, compatible with the majority of liftgate motor and pump assemblies found in the global aftermarket. With 2 gear teeth and Class F insulation, this motor is built to operate reliably even in under-chassis environments where heat, vibration, and moisture are everyday realities.<\/p>","protected":false},"featured_media":1090,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[42],"product_tag":[],"class_list":["post-1088","product","type-product","status-publish","has-post-thumbnail","product_cat-lift-gate-motor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product\/1088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/media\/1090"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/media?parent=1088"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product_brand?post=1088"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product_cat?post=1088"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product_tag?post=1088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}