WP2.5N Series · 2.5 L · China Non-Road Stage IV
Tractor Engine WP2.5N
Models: WP2.5NG54E640 · WP2.5NG60E640 · WP2.5NG65E640 · WP2.5NG70E640 · WP2.5NG75E640
For 50-75 hp wheel and crawler tractors covering all field operations such as tillage and farm transport
39.7–55.5 kW / 50–75 Ps
Power range (kW / Ps)
300 N·m / 1700 rpm
Max torque speed (N·m / rpm)
At a glance
As an original Weichai diesel engine supplier, we supply the WP2.5N built as an Inline unit, with 2.5 L displacement. Rated output spans 39.7–55.5 kW (50–75 Ps). Peak torque reaches 300 N·m. It is supplied to meet China Non-Road Stage IV emission requirements. Typical duty is tractor service.
Product Overview
The WP2.5N centres on high low-speed torque, high reliability and low fuel consumption in a compact structure, with power covering 39.7-55 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) | 39.7-55.5/50-75 |
| Max torque speed (N·m / r/min) | 300/1700 |
| Emission standard | China Non-Road Stage IV |
| Fuel | Diesel |
| Engine type | Inline |
| Number of cylinders | 4 |
| Valves | 4 |
| Displacement (L) | 2.5 |
| Aspiration | Turbocharged, intercooled |
| Vehicle application | Tractor |
| Engine dimensions (L×W×H) (mm) | 728×630×762 |
| Weight (G.W.) (kg) | 230 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| WP2.5NG54E640 | 39.7/2400 | 230/1700 | 2.5 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline | Turbocharged, intercooled |
| WP2.5NG60E640 | 44/2400 | 250/1700 | 2.5 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline | Turbocharged, intercooled |
| WP2.5NG65E640 | 48/2400 | 260/1700 | 2.5 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline | Turbocharged, intercooled |
| WP2.5NG70E640 | 51.5/2400 | 280/1700 | 2.5 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline | Turbocharged, intercooled |
| WP2.5NG75E640 | 55.5/2400 | 300/1700 | 2.5 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline | Turbocharged, intercooled |
Request a Quote
Send the model designation (for example WP2.5NG54E640), the required quantity and your destination port.
Technical details
The Weichai WP2.5N is built on a Inline configuration with 4 cylinders and 4 valves per cylinder architecture. Displacement is 2.5 L. Intake is turbocharged, intercooled. It is offered for diesel operation. For installation planning, the unit has overall dimensions of 728×630×762 and a dry weight of 230 kg.
Typical applications
The Weichai WP2.5N is specified for tractor duty. Confirmed applications include the following, and we can advise on suitability for your machine:
- Tractor
WP2.5N frequently asked questions
What is the power range of the Weichai WP2.5N?
The WP2.5N covers 39.7–55.5 kW (50–75 Ps). Confirm the exact sub-model code before ordering, because output varies across the model line-up.
What peak torque does the WP2.5N deliver?
Maximum torque reaches 300 N·m. Torque is developed from 1700 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 WP2.5N 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 WP2.5N 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 WP2.5N 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 WP2.5N?
The WP2.5N is built on a Inline, 4 cylinders, 2.5 L of displacement layout. Send us your machine model if you need confirmation that this layout fits your installation.