EP-1225WB 2200W 12V Lift Gate Motor
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 — 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.
At its core, the EP-1225WB is a permanent magnet DC lift gate motor — 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·m, 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.
Lift Gate Motor Series
EP-1225WB 2200W 12V
Lift Gate Motor
A high-output, 12V DC liftgate motor built for demanding commercial vehicle tailgate systems — delivering 2200W of sustained power with IP54 weather sealing and proven reliability across freight, logistics, and fleet applications worldwide.
Technical Specifications — EP-1225WB Lift Gate Motor
The table below covers the complete factory-rated specifications for the EP-1225WB lift gate motor. These values apply at standard ambient temperature (25°C) and represent steady-state rated conditions unless otherwise noted.
| Lift Gate Motor Parameter | 価値 | 注記 |
|---|---|---|
| モーターモデル | EP-1225WB | Lift Gate Motor Series |
| 定格電圧 | 12 V (DC) | Permanent magnet DC motor |
| 定格電力 | 2200 W | At rated duty cycle |
| 定格電流 | 260 A | Peak draw during start phase may be higher |
| 定格トルク | 10 N·m | Sufficient for standard hydraulic liftgate pumps |
| デューティサイクル | 8min-10%ED (S2min-S3%) | Intermittent duty, matched to liftgate use pattern |
| 断熱等級 | クラスF | Max winding temp 155°C |
| Waterproof Rating | IP54 | Splash-proof, dust-protected |
| 歯の数 | 2 | Standard gear interface |
| Rotation Direction | CW（時計回り） | Standard for most liftgate pump assemblies |
| Motor Body Length | 198.5 mm | Refer to outline diagram for full envelope |
| Shaft Diameter | φ25.258 mm | Output shaft end |
| 適用範囲 | Car Tailgate / Lift Gate | Commercial vehicles, delivery trucks, freight vans |
| Configuration Options | Customizable | Contact us for OEM configuration details |
Five Key Performance Advantages of Lift Gate Motor
At 2200W on a 12V platform, the EP-1225WB delivers a rated current of 260A — a level of power density that puts it among the most capable high torque electric motors in the lift gate segment. This translates directly into faster gate cycle times and the ability to handle heavier loads without motor strain.
The IP54 waterproof rating means the motor resists dust ingress and low-pressure water splashing from any direction — 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.
Class F insulation supports continuous operation at winding temperatures up to 155°C, 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 used in vehicle auxiliary drive applications.
The 8min-10%ED duty cycle specification is not a limitation — 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 応用。
Designed with standard mounting interfaces and a CW rotation direction that matches the overwhelming majority of existing liftgate pump motor assemblies, the EP-1225WB supports straightforward lift gate motor replacement without hydraulic system modifications. This minimizes vehicle downtime and reduces service labor costs significantly.
DC Motor Working Principle — How This Lift Gate Motor Operates
理解する DC motor working principle behind the EP-1225WB helps explain why this motor design is so effective in liftgate applications. The EP-1225WB is a 永久磁石DCモーター, 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 — the motor torque. This is the fundamental DCモーターの動作原理 that has powered vehicle auxiliary systems for decades: electrical energy converted to mechanical rotation through electromagnetic interaction.
What sets the EP-1225WB apart from a generic 小型直流モーター is the scale and optimization of this design. The 12V architecture is chosen deliberately to match the standard electrical system of commercial vehicles — 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 systems. The brushed commutation design delivers robust stall-torque performance — critical during the initial movement phase when the gate is at its lowest and load leverage is greatest.
In the typical hydraulic lift gate motor 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 — showing the relationship between speed, torque, current, and efficiency across the operating range — 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.
材料および施工品質
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 — 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 — it helps dissipate heat generated in the windings during high-current operation, directly supporting the motor's duty cycle performance.
The armature core is constructed from silicon steel laminations, a standard used across professional-grade 直流電動モーター to minimize eddy current losses and improve operating efficiency at elevated speeds. Armature windings use high-purity copper conductors with Class F insulating varnish — 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.
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 — sealed ball bearings at both ends — 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 from a commodity substitution.
Lift Gate Motor Application Scenarios
The EP-1225WB lift gate drive motor is deployed across a wide range of commercial and industrial vehicle applications. Below are the primary use environments where this motor delivers consistent performance.
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.
Distribution and warehouse operations require liftgate motors that can handle a range of payload weights, including palletized goods and heavy equipment. The 10 N·m torque output and 2200W power rating provide the hydraulic drive force needed for gate systems handling loads up to standard commercial tailgate capacity ratings.
Cold-chain logistics vehicles present a challenging environment for electrical components — 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.
Fleet maintenance operations across the UK, Australia, Germany, and North America regularly require liftgate motor replacement 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.
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 — including its full outline diagram, wiring schematic, and performance curve — supports smooth integration into new liftgate system designs with well-defined electrical and mechanical interfaces.
How to Tell If a Liftgate Motor Is Bad
One of the most common service questions around liftgate motor replacement is: how to tell if a liftgate motor is bad? 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.
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).
About Us — Over a Decade of Mechanical Engineering Expertise
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 — including the complete lift gate motor line you are viewing here.
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 — ductile iron, cast iron, cast steel, precision investment cast steel, and cast aluminum — 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.
Every liftgate motor 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.
ワークショップ
Related Products — Complete System Compatibility
We supply a full range of DC motor 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 — a genuine advantage of single-source supply.
Our full line of 電気モーター covers permanent magnet DC motors, series-wound motors, and shunt-wound configurations across a wide voltage and power range. Whether you need a 高トルクDCモーター for a hydraulic drive system or a DCモーター高速 variant for a fan or blower application, we have a direct solution. All models are designed for compatibility with standard motor control and DCモーター駆動 electronics available globally.
The EP-1225WB is the drive motor at the heart of a complete car tailgate 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 — a genuine advantage in fleet maintenance operations worldwide.
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