WP3.2 Series · 3.17 L · China Non-Road Stage IV
Tractor Engine WP3.2
Models: WP3.2G50E4313 · WP3.2G50E438 · WP3.2G50E434 · WP3.2G50E435 · WP3.2G65E440 · WP3.2G72E440 · WP3.2G72E441 · WP3.2G75E440 · WP3.2G80E441 · WP3.2G84E440 · WP3.2G85E440 · WP3.2G95E440 · WP3.2G110E440
For 50-100 hp wheel tractors and greenhouse tractors used in wet and dry tillage, farm transport, seedbed preparation and work on confined sites
36.8–81 kW / 50–110 Ps
Power range (kW / Ps)
390 N·m / 1500–1800 rpm
Max torque speed (N·m / rpm)
At a glance
Supplied by an original Weichai diesel engine supplier, the Weichai WP3.2 is built as an Inline unit, with 3.17 L displacement. Rated output spans 36.8–81 kW (50–110 Ps). Peak torque reaches 390 N·m. It is supplied to meet China Non-Road Stage IV emission requirements. Typical duty is tractor service.
Product Overview
The WP3.2 is a proven power product Weichai developed for tractors, derived from dedicated excavator power with strong reliability. Three aspiration types – naturally aspirated, turbocharged and turbocharged with intercooler – were developed to suit complete-vehicle power matching, with power covering 36.8-81 kW.
Product Advantages
- High reliability. Purpose-strengthened design of the block, crank-connecting rod mechanism and shaft train for agricultural duty, giving proven durability.
- Strong power. Developed specifically for agricultural duty with high output and ample torque reserve, meeting power demands across all working conditions for higher work efficiency.
- Efficient and economical. Electronically controlled high-pressure common-rail injection, a high-efficiency turbocharging system, low-friction design and high-efficiency, low-heat-rejection combustion deliver excellent fuel economy.
- Good comfort. Pilot-injection technology and high-precision meshing gear trains reduce engine vibration and noise for better comfort.
Specifications
| Power range (kW / Ps) | 36.8-81/50-110 |
| Max torque speed (N·m / r/min) | 390/1500-1800 |
| Emission standard | China Non-Road Stage IV |
| Fuel | Diesel |
| Engine type | Inline |
| Number of cylinders | 4 |
| Valves | 2 |
| Displacement (L) | 3.17 |
| Aspiration | Naturally aspirated / turbocharged / turbocharged and intercooled |
| Vehicle application | Tractor |
| Engine dimensions (L×W×H) (mm) | 915×586×912 |
| Weight (G.W.) (kg) | 390±20 |
Note: product parameters and images are for reference only and are subject to change without notice.
Model Line-up
| Model | Rated power / speed (kW / rpm) | Max torque / speed (N·m / rpm) | Displacement (L) | Emission standard | Technology route | Application | Valves | Use | Type | Aspiration |
|---|---|---|---|---|---|---|---|---|---|---|
| WP3.2G50E4313 | 36.8/2400 | 200/1400-1700 | 3.17 | China Non-Road Stage IV | VP + naturally aspirated | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G50E438 | 36.8/2400 | 180/1400-1700 | 3.17 | China Non-Road Stage IV | VP + naturally aspirated | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G50E434 | 36.8/2400 | 205/1400-1700 | 3.17 | China Non-Road Stage IV | CR + naturally aspirated | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G50E435 | 36.8/2400 | 180/1400-1700 | 3.17 | China Non-Road Stage IV | CR + naturally aspirated | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G65E440 | 48/2400 | 245/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G72E440 | 53/2400 | 255/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G72E441 | 53/2400 | 265/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G75E440 | 55.4/2400 | 280/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G80E441 | 59/2400 | 283/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G84E440 | 62/2400 | 297/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G85E440 | 62.8/2400 | 360/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G95E440 | 70/2400 | 390/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
| WP3.2G110E440 | 81/2400 | 390/1500-1800 | 3.17 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 2 | Tractor | Inline 4-cylinder, four-stroke engine | Naturally aspirated / turbocharged / turbocharged and intercooled |
Request a Quote
Send the model designation (for example WP3.2G50E4313), the required quantity and your destination port.
Technical details
The Weichai WP3.2 is built on a Inline configuration with 4 cylinders and 2 valves per cylinder architecture. Displacement is 3.17 L. Intake is naturally aspirated / turbocharged / turbocharged and intercooled. It is offered for diesel operation. For installation planning, the unit has overall dimensions of 915×586×912 and a dry weight of 390±20 kg.
Typical applications
The Weichai WP3.2 is specified for tractor duty. Confirmed applications include the following, and we can advise on suitability for your machine:
- Tractor
WP3.2 frequently asked questions
What is the power range of the Weichai WP3.2?
The WP3.2 covers 36.8–81 kW (50–110 Ps). Confirm the exact sub-model code before ordering, because output varies across the model line-up.
What peak torque does the WP3.2 deliver?
Maximum torque reaches 390 N·m. Torque is developed from 1500-1800 r/min. This figure governs how the machine pulls away from low engine speed, so check it against your gearbox ratios and duty cycle.
Which emission standard does the WP3.2 meet?
This unit is offered to China Non-Road Stage IV. Tell us your destination market and we will confirm the certification route before shipment.
Is the WP3.2 a genuine Weichai engine?
Yes. Units are sourced through controlled supply channels to original factory specification and are supplied with export packing and documentation.
How is the WP3.2 shipped and how long does delivery take?
Engines are crated for export and consolidated at the port. Send your model designation, quantity and destination port for a firm quotation and lead time.
What is the configuration of the WP3.2?
The WP3.2 is built on a Inline, 4 cylinders, 3.17 L of displacement layout. Send us your machine model if you need confirmation that this layout fits your installation.