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EP-2422WZX 2200W 24V Lift Gate Motor

The EP-2422WZX is a factory-engineered 24V lift gate motor delivering 2200W of continuous rated power — designed from first principles for the duty cycle and environmental demands of commercial vehicle liftgate systems. Where the 12V motor platform suits lighter delivery vehicles and vans, the 24V architecture of the EP-2422WZX is built for the heavier end of the commercial fleet: long-haul freight trucks, heavy-duty box vehicles, and transport equipment where dual battery 24V systems are the prevailing electrical standard. Running at 125A rated current against 24V gives this motor the same 2200W output as higher-current 12V alternatives, but with significantly lower cable losses and reduced demands on contactors and wiring harnesses — a meaningful advantage in fleet vehicles where electrical system reliability and weight management both matter.

At the heart of the EP-2422WZX is a permanent magnet dc motor design, chosen for its consistent speed-torque characteristics, compact form factor, and excellent compatibility with the solenoid-controlled switching circuits used in standard liftgate motor and pump assemblies. The motor produces 9 N·m of rated torque — sufficient to drive the hydraulic gear pumps found in the majority of commercial liftgate systems — and its clockwise (CW) output rotation matches the standard configuration used across the global aftermarket. With a Class F insulation system and IP54 weatherproofing, this hydraulic lift gate motor handles the thermal and moisture challenges inherent in under-chassis mounting locations on heavy commercial vehicles.

Category:

Lift Gate Motor Series — 24V Platform

EP-2422WZX 2200W 24V
Lift Gate Motor

A precision-engineered 24V DC lift gate motor delivering 2200W of sustained power output — purpose-built for commercial vehicle hydraulic tailgate systems operating on 24V fleet electrical architectures. Rated at 125A with a 9 N·m torque output and IP54 environmental sealing, this motor is built to perform reliably through the demands of daily freight and logistics operations.

About Lift Gate Motor

24V
Rated Voltage
2200W
Rated Power
125A
Rated Current
9 N·m
Rated Torque
IP54
Waterproof Grade
CW
Rotation
2min-10%ED
Duty Cycle

Technical Specifications — EP-2422WZX Lift Gate Motor

The following parameter table reflects factory-rated specifications for the EP-2422WZX lift gate motor, measured at standard ambient conditions (25°C) unless otherwise noted. All values represent continuous or rated conditions at the specified duty cycle.

Lift Gate Motor Parameter Value Notes
Motor Model EP-2422WZX Lift Gate Motor Lift Gate Motor Series, 24V
Rated Voltage 24 V (DC) Permanent magnet DC design
Rated Power 2200 W At rated duty cycle conditions
Rated Current 125 A Half the current of equivalent 12V output
Rated Torque 9 N·m Matches standard hydraulic liftgate pump drives
Duty Cycle 2min-10%ED (S2min-S3%) Intermittent duty, matched to liftgate operation
Insulation Class Class F Max continuous winding temperature 155°C
Waterproof Rating IP54 Dust-protected, splash-proof from all directions
Number of Teeth 2 Standard gear output interface
Rotation Direction CW (Clockwise) Compatible with standard liftgate pump assemblies
Overall Body Length 185 mm Refer to outline drawing for full envelope
Flange Diameter φ45.3 mm Mounting flange, 2-M8 bolt pattern
Output Shaft Diameter φ35 mm (approx.) Confirm with outline drawing for exact tolerance
Scope of Application Car Tailgate / Lift Gate Heavy commercial vehicles, freight trucks, 24V fleet
Configuration Options Customizable Contact us for OEM and non-standard variants
superiortransmissioninc-product-EP-2422WZX 2200W 24V Lift Gate Motor-Draft

Five Key Performance Advantages of Lift Gate Motor

① 24V Architecture — Lower Current, Longer Wiring Life

By operating at 24V instead of 12V, the EP-2422WZX achieves the same 2200W output at just 125A — half the current draw of an equivalent 12V motor. This halved current significantly reduces resistive losses in wiring, extends contactor service life, and improves overall system energy efficiency. For operators running extended fleets of heavy commercial vehicles, this translates directly into reduced maintenance costs on the electrical side of the liftgate system.

② IP54 All-Weather Environmental Sealing

The IP54 rating provides resistance to dust ingress and water splashing from any direction — a level of sealing appropriate for motors mounted beneath vehicle chassis, exposed to road spray, loading bay wash-downs, and variable weather conditions. In markets including the UK, northern Europe, and Australia where wet operating conditions are common, this sealing level is a baseline requirement for a reliable power lift gate motor installation.

③ Class F Insulation — Thermal Headroom Built In

Class F insulation supports winding temperatures up to 155°C, providing substantial thermal margin above the operating temperatures generated during the 2min-10%ED duty cycle. This headroom matters in practice: a motor that runs cool relative to its insulation limit ages much more slowly, maintaining winding integrity over a longer service interval. For fleet operators tracking total cost of ownership, insulation quality directly affects lift gate motor assembly replacement frequency.

④ Documented Performance Curve Data

The EP-2422WZX is supplied with full motor performance curve data covering speed, torque, current, voltage, and efficiency across the complete operating range (0–6000 RPM, 0–11 N·m torque). This data is essential for system designers specifying lift gate drive motors for new installations, allowing accurate prediction of pump drive performance, battery sizing, and gate cycle time under realistic load conditions — not just at the rated operating point.

⑤ Standardized Interface for Direct Replacement

With a standard CW rotation direction, documented shaft geometry (φ45.3mm flange, overall length 185mm), and a 2-terminal wiring diagram (A1/D2 connection per standard lift gate motor wiring convention), the EP-2422WZX is designed for compatibility with the mainstream range of 24V hydraulic liftgate pump units in the global aftermarket — supporting straightforward lift gate motor replacement without hydraulic system modifications or custom adapters.

DC Motor Working Principle — Understanding the EP-2422WZX

The dc motor working principle underpinning the EP-2422WZX is the same fundamental electromagnetic interaction that drives all brushed DC machines: when current flows through armature conductors positioned within a magnetic field, a force acts on those conductors, producing rotation. In the EP-2422WZX, the stator field is provided by permanent magnets — giving it the classification of a permanent magnet dc motor — which eliminates the need for field winding current and its associated power loss. This is a direct efficiency advantage over series-wound or compound-wound alternatives in applications like liftgate drives, where the relationship between input electrical power and output mechanical torque needs to be as direct and predictable as possible.

The EP-2422WZX operates at 24V, which represents a deliberate system-level design choice rather than an arbitrary voltage selection. Commercial heavy vehicles — long-haul trucks, distribution rigids, and specialist freight vehicles — standardized on 24V electrical systems decades ago because higher voltage means lower current for the same power transmission, reducing cable cross-section requirements and minimizing resistive heating in long wiring runs. A liftgate pump motor drawing 125A at 24V requires lighter wiring and simpler contactors than a 250A equivalent at 12V. For vehicle builders and fleet operators, this matters in terms of both installation cost and ongoing maintenance burden.

In practice, when the liftgate operator triggers the raise command, the vehicle's solenoid contactor closes the circuit between the 24V battery bank and the motor terminals (A1 positive, D2 negative per the standard wiring diagram). The motor accelerates rapidly — reaching operating speed within a fraction of a second — and drives the hydraulic gear pump, pressurizing the system and extending the lift ram. The motor's performance curve shows that peak efficiency falls in the mid-torque range (approximately 4–7 N·m), which corresponds well to the typical load range of a hydraulic lift gate motor operating under commercial payload conditions. On descent, the system either uses a controlled valve or a brief motor reversal to lower the gate in a managed way. This complete operating cycle is what the 2min-10%ED duty rating is designed around — short, high-energy bursts with adequate off-time between cycles for thermal recovery.

24V DC liftgate motor performance and working principle

Materials & Construction Quality of Lift Gate Motor

The EP-2422WZX is constructed with material selections driven by the specific demands of a motor that lives in a commercial vehicle's undercarriage — an environment combining mechanical vibration, thermal cycling, atmospheric moisture, road contamination, and occasional solvent or chemical exposure during vehicle maintenance. The motor housing is cast from a precision aluminum alloy, balancing structural rigidity with good thermal conductivity. Aluminum's natural thermal properties allow heat generated in the armature windings to conduct through the housing and dissipate into the surrounding air, which is particularly important for a motor operating on an intermittent duty cycle where each operating burst deposits a pulse of heat into the winding mass.

Armature laminations are pressed from low-loss silicon electrical steel, a specification standard for professional-grade dc electric motors where minimizing eddy current losses in the rotating core directly improves operating efficiency. The armature conductors are wound from high-purity electrolytic copper, coated with Class F insulating varnish applied by vacuum pressure impregnation — a process that ensures complete penetration of the varnish into the winding pack, eliminating air pockets that can allow moisture ingress or accelerate thermal degradation. The permanent magnets in the stator are high-energy grade materials specified to retain their field strength across the full operating temperature range of the motor — an important detail, since magnet demagnetization at elevated temperature would cause a progressive loss of torque output that is difficult to diagnose in the field.

The brush assembly uses precision-grade carbon composite brushes matched to the commutator material for controlled, predictable wear rates. Output shaft bearings are pre-greased sealed ball bearings selected for the radial and axial load profile of a direct-coupled hydraulic pump drive. The complete assembly undergoes factory electrical testing — no-load run-in, current draw verification at rated voltage, and insulation resistance measurement — before release. This production testing regime is part of the ISO 9001:2015 quality management system governing the facility, providing traceable documentation of each motor's factory-measured performance.

EP-2422WZX lift gate motor construction quality

Lift Gate Motor Application Scenarios

The EP-2422WZX lift gate motor is the correct choice wherever a 24V vehicle electrical system is the standard — which covers the majority of heavy commercial transport globally. Below are the principal application environments where this motor is deployed.

🚛 Heavy-Duty Freight Trucks (24V Systems)

Long-haul and regional freight vehicles operating on 24V dual-battery systems represent the primary market for the EP-2422WZX. These vehicles typically operate tailgates many times per shift at depots and delivery points, often under near-maximum load. The motor's 2200W output and duty-cycle-matched design provide the combination of output power and thermal management needed for reliable service in this high-demand context across Europe, Australia, and North America.

🏗️ Construction & Equipment Delivery Vehicles

Vehicles transporting heavy construction materials, machinery components, or dense equipment items require liftgates with robust drive motors that can sustain performance through heavy payloads and irregular operating patterns. The EP-2422WZX's 9 N·m torque rating and 24V compatibility make it well suited to the flatbed trucks, crane-body vehicles, and material delivery platforms common in construction logistics worldwide.

🧊 Refrigerated Heavy Transport (Cold Chain)

Temperature-controlled transport vehicles — particularly larger semi-trailer and rigid refrigerated units — operate on 24V systems and face the added challenge of cold ambient start conditions that increase hydraulic fluid viscosity and elevate motor starting current demand. The EP-2422WZX's generous thermal insulation margin and IP54 sealing address both of these factors, making it a dependable choice for cold-chain fleet operators in Scandinavia, Canada, and high-altitude markets in South America.

🔩 OEM Liftgate System Integration

Manufacturers of hydraulic tailgate systems for the European and Australasian truck body market specify 24V motors as a standard component in heavy-duty product lines. The EP-2422WZX Lift Gate Motor's full engineering documentation — outline drawing, wiring schematic, performance curve data — supports OEM integration projects by providing the data needed for system design, approval documentation, and customer technical manuals without requiring additional characterization testing.

🔧 Fleet Maintenance & Lift Gate Motor Replacement

Fleet workshops maintaining 24V commercial vehicles regularly perform liftgate motor replacement as scheduled maintenance or in response to motor failure. The EP-2422WZX Lift Gate Motor's CW rotation, standard interface dimensions, and straightforward 2-terminal wiring (A1/D2) simplify the replacement process, supporting technicians in completing the swap efficiently — minimizing vehicle off-road time and keeping fleet operational availability high.

How to Tell If a Lift Gate Motor Is Bad — Practical Diagnostics

One of the most common questions in fleet maintenance is: how to tell if a lift gate motor is bad? On a 24V system like those fitted with the EP-2422WZX, the diagnostic process starts with confirming the battery system is delivering adequate voltage under load — both cells of the 24V battery pair should be tested individually, as a weak secondary cell will cause the system voltage to sag under the motor's 125A draw, producing symptoms that mimic a failing motor. If battery voltage holds correctly at 24V under load, attention shifts to the motor itself.

Symptoms of a worn or failing liftgate pump motor include: the gate responding sluggishly or stalling under a load it previously handled without difficulty; the motor running but producing audible grinding, rattling, or intermittent electrical arcing sounds; excessive heat at the motor housing after a normal operating cycle; or the motor failing to start despite the solenoid contactor engaging (audible click but no rotation). A direct-connection test — applying the correct 24V supply directly to the motor terminals with the pump decoupled — isolates the motor from the rest of the circuit and confirms whether the motor itself is the source of the fault. If the motor fails to run smoothly or produces abnormal noise under direct power, lift gate motor replacement is indicated. The EP-2422WZX's standardized interfaces make the swap process straightforward for any competent vehicle electrician or workshop technician.

About Us — A Decade-Plus of Mechanical Engineering Manufacturing

With over ten years of focused experience in mechanical power transmission manufacturing, our production facility supplies engineered drive system components to industrial and agricultural customers across six continents. Our product range covers the full scope of mechanical drivetrain requirements: agricultural gearboxes, worm gear reducers, planetary gear drives, power take-off (PTO) shafts, hydraulic cylinders, precision gears, drive chains, and the complete dc motor range — including the EP-2422WZX lift gate motor documented on this page.

Our facility holds ISO 9001:2015 quality management system certification, covering the complete production chain from incoming material verification through finished product testing and dispatch documentation. We design and produce mechanical assemblies in ductile iron, cast iron, cast steel, precision investment cast steel, and cast aluminum, as well as precision-machined gears, sprockets, worm gears, pulleys, worm shafts, and non-standard mechanical components engineered to customer requirements. Our engineering team works directly with OEM system builders, fleet equipment suppliers, and industrial distributors to match component specifications to real application requirements — not just catalog numbers.

Every lift gate motor assembly leaving our production line passes individual electrical testing and dimensional inspection before shipment. We maintain complete production records under our quality management system, and our documentation package — including performance curve data, outline drawings, and wiring schematics — is available to customers to support their own engineering and compliance processes.

WorkShop

Production Workshop
Rolling Machining of Cylinder Bore
Assembly Line
Welding Production Line

Related Products — Complete Drive System Supply

We manufacture a full portfolio of complementary drive components designed to work alongside our liftgate motor products. Sourcing motor and ancillary components from a single supply point reduces interface risk, simplifies procurement, and provides a single point of contact for both technical support and commercial queries.

Electric Motors full range

Our complete range of Electric Motors covers permanent magnet DC types, series-wound motors for high-torque starting applications, and shunt-wound configurations where precise speed regulation is needed. Whether the requirement is a high torque dc motor for a vehicle auxiliary hydraulic drive, a dc motor high speed variant for a fan or blower circuit, or a standard replacement for an existing system, our range provides direct solutions with compatible electrical and mechanical interfaces. All motors in this family share documentation standards and quality certification with the EP-2422WZX, supporting multi-product procurement from a single source.

Car Tailgate Systems

Car tailgate drive systems

The EP-2422WZX is the core drive component in a complete car tailgate hydraulic actuation system. Alongside the motor itself, we supply compatible hydraulic pump units, solenoid control valves, contactor assemblies, and wiring harness components to support both complete system builds and targeted replacement programs. Procurement teams working across fleet maintenance operations in the UK, Germany, the Netherlands, and Australia can consolidate motor and system component supply, reducing vendor management overhead and ensuring dimensional and electrical compatibility across all specified components.

EP-2422WZX 24V liftgate motor product view

Frequently Asked Questions

What makes a 24V liftgate motor a better choice than a 12V unit for heavy freight trucks operating in European markets?
Heavy commercial vehicles operating in Europe are almost universally built on 24V electrical systems, making a 24V lift gate motor the natural fit without any additional voltage conversion hardware. Beyond simple compatibility, the 24V architecture runs at half the current of a 12V equivalent for the same power output — 125A instead of 250A in this case. Lower current means smaller, lighter wiring, simpler contactors, and reduced resistive heating across the electrical circuit.
How do I correctly wire a replacement 24V liftgate motor and pump assembly on a commercial truck without special tools?
The EP-2422WZX uses a standard 2-terminal connection: terminal A1 connects to the positive supply from the solenoid contactor output, and terminal D2 connects to the negative return. This follows the standard wiring convention used across the majority of aftermarket liftgate motor and pump assemblies, so if you are replacing an existing motor of similar specification, the wiring configuration is typically a direct transfer. Before reconnecting power, confirm polarity visually against the wiring diagram supplied with the motor. Torque the terminal fasteners to the specified value to ensure solid electrical contact — a common source of intermittent faults in high-current circuits is undertorqued connections that develop resistance over time. No specialized tools beyond standard electrical hand tools are required for a straightforward liftgate motor replacement.
Which industries in Australia and the UK are the largest users of hydraulic liftgate motors on commercial vehicles right now?
In both Australia and the UK, the largest users of hydraulic lift gate motor systems on commercial vehicles are the grocery and FMCG distribution sector, building and construction materials delivery, and the growing third-party logistics sector driven by e-commerce growth. In Australia specifically, the mining supply chain also generates significant demand for liftgate-equipped support vehicles. Refrigerated transport is another substantial segment in both markets — temperature-controlled freight requires reliable gate operation in all weather conditions, making IP54-sealed motors like the EP-2422WZX lift gate motor a particularly appropriate specification choice for cold-chain fleet operators in both countries.
What is a permanent magnet DC motor and why is it the preferred design for hydraulic liftgate pump drive systems on vehicles?
A permanent magnet dc motor uses fixed magnets to create the stator field, meaning no current is required to energize the field — all the input current goes to the armature, producing torque directly. This makes permanent magnet types more efficient than field-wound alternatives at the power levels typical of liftgate applications. They also have a more linear speed-torque relationship, which is predictable and easy to manage with the simple on/off solenoid switching used in most liftgate control systems. The absence of a field winding also removes one category of failure mode — field winding open circuits or short circuits — making permanent magnet motors inherently simpler to maintain in a fleet environment where diagnostic capability may be limited. These combined advantages explain why the dc motor type specified for the vast majority of commercial liftgate drives is the permanent magnet design.
When should a lift gate motor assembly be replaced as a complete unit rather than attempting individual component repair on a fleet vehicle?
A complete lift gate motor assembly replacement makes more economic and operational sense than individual component repair in several situations: when the motor has exceeded its expected service interval and multiple wear indicators are present simultaneously (brush wear, commutator grooving, bearing noise); when the motor has experienced a thermal event evidenced by discolored or cracked winding insulation; when water ingress has caused internal corrosion beyond surface cleaning; or when the vehicle is being refurbished and consistency of the liftgate system's remaining service life is required across the fleet. For workshops without specialist motor rewinding capability, assembly replacement provides a faster turnaround with a known-new condition motor. Contact us for guidance on planned replacement scheduling based on application duty cycle and operating environment.

Editor: PXY