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EP-1220WB  |  2000W 12V Lift Gate Motor

The EP-1220WB is a permanent magnet DC motor developed specifically for car tailgate and commercial liftgate hydraulic systems. Built around a 12 V architecture rated at 220 A and 2000 W, it belongs to our established XL1220WB platform.

Designed for a 2 min / 7% ED duty cycle (S2 min – S3%), this motor is optimised for the real operational rhythm of a working gate: short, powerful bursts of operation followed by adequate rest — matching how truck drivers actually use liftgates during multi-stop delivery schedules.

DC Motor Series — Lift Gate Motor

EP-1220WB  |  2000W 12V Lift Gate Motor

High-torque permanent magnet DC motor engineered for reliable hydraulic liftgate operation across commercial vehicles, delivery trucks, and freight handling platforms worldwide.

Technical Specifications — EP-1220WB Lift Gate Motor

All parameters measured at rated conditions; subject to standard manufacturing tolerances of ±5%.

Lift Gate Motor Parameter Value Unit / Note
Motor Model XL1220WB (EP-1220WB) Car Tailgate / Lift Gate
Rated Voltage 12 V DC
정격 출력 2000 W
Rated Current 220 에이
Rated Torque 6 N·m
Duty Cycle 2 min – 7% ED (S2 min – S3%) Intermittent duty
Insulation Class 에프 Max 155 °C winding temperature
Protection Rating IP54 Dust & splash protection
Number of Teeth 2 Pinion teeth count
Rotation Direction CW (Clockwise) Standard; CCW on request
Optional Voltage 24 V, 48 V Available on request
Overall Length 185 mm As per outline diagram
Flange Diameter Ø81 mm Mounting face
출력축 직경 Ø14 mm Pump coupling end
Motor Mount Bolt Pattern 2-M8 at 30° / 55° Per outline drawing

Scroll horizontally on smaller screens to view all columns.

superiortransmissioninc-product-EP-1220WB    2000W 12V Lift Gate Motor-draft

Five Key Performance Advantages of Lift Gate Motor

Why operators across Australia, the UK, Canada, and beyond specify this lift gate motor

① Sustained 2000 W Output

Rated at 2000 W continuous power with a 12 V nominal voltage and 220 A rated current, this power lift gate motor maintains steady lifting capacity even under repeated duty cycles — matching real-world liftgate demands without voltage sag or thermal shutdown.

② 6 N·m Rated Torque

A peak torque output of 6 N·m ensures decisive starting force even with a loaded gate, making this hydraulic lift gate motor capable of smooth, controlled lifts across a wide load range from light parcels to palletised freight on delivery routes across North America and Europe.

③ IP54 Weatherproof Housing

An IP54 waterproof rating shields internal windings and brushes from dust ingress and directional water spray, meaning this liftgate motor holds up in wet loading docks, open yards, and all-weather delivery operations without corrosion-driven failure modes that plague lower-rated units.

④ Class F Insulation System

Class F insulation tolerates winding temperatures up to 155 °C, providing meaningful thermal headroom during repeated duty cycles. This is particularly important for liftgate motor and pump combinations where heat builds up rapidly during high-frequency unloading operations at distribution centres.

⑤ Flexible 24 V / 48 V Configuration

While the standard build runs on 12 V DC, the EP-1220WB is available in optional 24 V and 48 V configurations, enabling drop-in compatibility with a wide range of existing vehicle electrical systems and making liftgate motor replacement straightforward without rewiring the truck's power bus.

DC Motor Working Principle

Understanding how a lift gate motor works starts with the fundamentals of DC motor operation. The EP-1220WB is a permanent magnet DC motor, which means the stator field is generated by fixed rare-earth or ferrite magnets rather than an electromagnetically excited field winding. When a DC voltage of 12 V is applied across the armature terminals, current flows through the rotor windings. These current-carrying conductors sit inside the permanent magnetic field, experiencing a Lorentz force that generates rotational torque — converting electrical energy directly into mechanical shaft rotation.

The commutator and brush assembly play a critical role: as the armature rotates, the commutator segments sequentially connect each winding to the external power source, ensuring that the torque-producing current always flows in the geometrically correct direction regardless of rotor position. This self-commutating action is what allows the motor to self-start without external electronics, a key advantage in the rugged, cost-sensitive environment of a commercial liftgate motor and pump system.

From a dc motor drive perspective, the EP-1220WB responds well to solenoid-switch control — the most common method in truck liftgate systems — as well as PWM-based motor controllers for applications demanding variable gate speed. The motor's performance curves show near-linear torque-speed characteristics from no-load (approximately 6000 RPM peak) down to stall conditions, giving operators and hydraulic designers a predictable load line to work from when sizing the liftgate pump motor and hydraulic cylinder pairing.

Lift gate motor performance curve and wiring diagram

Lift Gate Motor Materials & Construction Quality

The longevity of any liftgate motor assembly is determined as much by the materials chosen during manufacture as by the operating conditions it faces. The EP-1220WB housing is constructed from precision die-cast aluminium alloy, combining the lightweight properties needed in vehicle applications with excellent thermal conductivity that helps dissipate winding heat during repeated duty cycles. The end caps use ductile iron where structural rigidity and impact resistance are required, particularly at the pump-coupling end where vibration loads are highest.

Internal rotor laminations are stamped from silicon steel with tight grain orientation, minimising eddy-current losses and allowing the high torque dc motor to operate efficiently across its full speed range. Armature windings use enamelled copper wire rated to Class F temperature thresholds, ensuring reliable insulation integrity even in motors running near their duty-cycle limits. The commutator is machined from electrolytic copper segments with mica insulation, ground to tight runout tolerances to extend brush life and reduce electrical noise.

Bearings are deep-groove ball bearings selected for both radial and axial load capacity, pre-lubricated with high-temperature grease for the expected service life of the vehicle. All external fastener surfaces receive a phosphate-plus-oil surface treatment for corrosion resistance, complementing the IP54 seal system at shaft and end-cap interfaces. This attention to material selection is part of what differentiates a professionally engineered lift gate drive motor from commodity replacements that fail prematurely in demanding fleet environments.

Lift Gate Motor Application Scenarios

Where the EP-1220WB liftgate motor delivers proven value across global markets

📦 Last-Mile Delivery Trucks

Urban parcel delivery fleets — particularly those serving high-density residential and commercial zones in the UK, Netherlands, Canada, and South Korea — demand a hydraulic lift gate motor that cycles dozens of times per shift without thermal fatigue. The EP-1220WB's S2/S3 duty rating and IP54 weather protection make it a natural fit here, handling everything from small packages to bulky furniture with equal reliability.

🍦 Refrigerated & Cold-Chain Vehicles

Cold-chain logistics operators in Australia and Colombia require power lift gate motors that perform consistently in sub-zero environments where lubricants thicken and seal materials contract. The EP-1220WB's robust internal sealing and Class F insulation system ensure the motor maintains its rated output even when the vehicle — and the surrounding air — is well below freezing at early morning warehouse dispatches.

🏭 Distribution Centre Yard Trucks

Yard trucks and dock leveller vehicles operating within large fulfilment centres face extreme duty-cycle demands — a single yard tractor may operate its liftgate hundreds of times in a single shift. The 220 A rated current capacity of the liftgate pump motor gives it the current-handling margin needed to sustain this kind of intensive use without triggering thermal protection or commutator erosion failures.

🌾 Agricultural Commodity Transport

In agricultural markets across Brazil and Colombia, trucks transporting bagged grain, fertiliser, and harvested produce rely on liftgate systems to load and unload at remote locations with no dock access. The EP-1220WB's direct-coupled design paired with a gear pump creates a self-contained liftgate motor assembly with minimal external plumbing, well suited to the simplicity and durability demands of rural transport operations.

🔧 Aftermarket Liftgate Motor Replacement

Fleet maintenance managers looking for reliable liftgate motor replacement options — whether driven by brush wear, commutator damage, or simply a scheduled overhaul programme — find the EP-1220WB's standardised mounting face and output shaft dimensions straightforward to install. The optional 24 V and 48 V configurations mean one part number can span several truck generations without needing custom wiring modifications.

Liftgate motor application on commercial vehicle

회사 소개

With over a decade of hands-on experience in mechanical transmission engineering, our manufacturing operation specialises in producing precision-engineered drive components for industrial and mobile machinery markets worldwide. Our product portfolio spans agricultural gearboxes, worm gear reducers, planetary gear drives, power take-off shafts, hydraulic cylinders, gears, precision chains, and DC motors — giving buyers across every continent a single, trusted source for drivetrain components that must perform in the field, season after season.

Our facility operates under an ISO 9001:2015 certified quality management system, meaning every liftgate motor that leaves our production line has passed through documented inspection checkpoints covering dimensional accuracy, electrical continuity, insulation resistance, and performance curve verification. We design and manufacture a broad range of industrial and agricultural gearbox assemblies using materials including ductile iron, cast iron, cast steel, precision cast steel, and cast aluminium — applying the same material discipline to our motor housings and end caps.

Beyond standard catalogue items, our engineering team regularly works with fleet operators, OEM vehicle builders, and hydraulic system integrators on non-standard specifications — alternative voltage configurations, modified shaft ends, custom pinion gear profiles, or special insulation treatments for high-humidity environments. If your liftgate motor application falls outside the standard EP-1220WB specification, contact us directly to discuss what is feasible at production scale.

작업장

Factory Workshop
Cylinder Bore Rolling Machining
Drilling and Milling Composite Machining Center
Cylinder Assembly Line

관련 상품

System compatibility and one-stop supply — the EP-1220WB Lift Gate Motor pairs with the following product families for complete drivetrain solutions.

전기 모터

전기 모터

Our full range of 전기 모터 — including high torque dc motor variants, dc electric motors for industrial use, and small dc motor options — complements the EP-1220WB lift gate motor perfectly. Whether you are upgrading an existing hydraulic system or designing a new liftgate motor and pump assembly from scratch, our motor range gives you system-matched performance with unified supply-chain simplicity.

Car Tailgate

Car Tailgate Systems

The EP-1220WB is the core power unit within our broader Car Tailgate product family, covering complete hydraulic liftgate assemblies, control solenoids, and structural gate platforms. Sourcing the full liftgate assembly from a single manufacturer ensures dimensional and electrical compatibility, eliminating the integration problems that arise when mixing components from different suppliers — a particular advantage for fleet buyers managing multiple vehicle platforms.

자주 묻는 질문

How can I tell if my commercial truck liftgate motor is going bad before it fails completely on a delivery route?

Several signs point to a degrading lift gate motor before it stops working entirely. Look for noticeably slower gate travel speed under the same load — this often indicates brush wear reducing effective contact area. Unusual heat at the motor housing after just a few gate cycles, excessive brush sparking visible at the commutator end, or a significant voltage drop on your cab voltmeter when the gate activates all signal internal wear. A motor drawing well above 220 A at rated load — measurable with a clamp meter — suggests armature winding shorts.

What is a lift gate motor exactly, and how does it differ from a standard high-torque DC motor used in industrial machinery?

A lift gate motor is a permanent magnet DC motor engineered specifically to drive a hydraulic pump on a vehicle-mounted liftgate system. While it shares the same dc motor working principle as industrial high torque dc motor variants — Lorentz force on current-carrying armature conductors within a permanent magnetic field — it is designed around a very specific duty profile: short, high-current bursts (S2/S3 cycle) at 12 V, 24 V, or 48 V vehicle-bus voltage, rather than the continuous-duty industrial ratings. Its compact cylindrical envelope, standardised mounting flange, and direct-drive pinion distinguish it from general-purpose dc electric motors.

Which liftgate motor and pump combination is best suited for a refrigerated delivery truck operating daily across Australia's climate zones?

For refrigerated Australian delivery applications spanning tropical north Queensland through to the colder southern states and Tasmania, the EP-1220WB Lift Gate Motor paired with a matched gear pump rated for hydraulic oil viscosities across -10 °C to +50 °C ambient is the preferred configuration. The IP54 protection on the lift gate motor handles moisture from condensation on cold vehicles, while the Class F insulation copes with high under-bonnet temperatures in tropical regions. Selecting pump displacement to match the gate cylinder bore and stroke ensures the liftgate motor and pump combination runs within 7% ED duty limits even at maximum daily gate cycles.

When replacing a liftgate motor on a European fleet truck in the Netherlands or UK, what mounting dimensions should I verify to ensure a compatible fit?

The critical dimensions for European fleet liftgate motor replacement are the mounting flange diameter (Ø81 mm on the EP-1220WB), the output shaft diameter (Ø14 mm at the pump coupling end), the bolt pattern (2-M8 at 30° and 55° angular positions), and the overall motor length (185 mm). These parameters determine whether the new unit will physically locate correctly on the existing pump bracket without fabricating new adaptors. Additionally, confirm the pump's port shaft bore and keyway dimensions, as a mismatched interface here accounts for a significant share of field fitting issues during liftgate motor replacement jobs in European fleet workshops.

Where can fleet operators in South Korea and Brazil source a reliable power lift gate motor that meets both local regulatory requirements and international quality standards?

Fleet operators in South Korea and Brazil can source the EP-1220WB power lift gate motor directly from our ISO 9001:2015 certified manufacturing facility, with international shipping and documentation support for both markets. The motor's Class F insulation and IP54 ratings align with the general electrical safety expectations applied to vehicle-mounted drive components across both regions. For South Korean buyers, we can supply motors with Korean-language technical data sheets; for Brazilian fleet operators, documentation in Portuguese and compliance with INMETRO-adjacent quality evidence is available on request.

편집자: PXY