WP4.6N Series · 4.58 L · China Non-Road Stage IV
Tractor Engine WP4.6N
Models: WP4.6NG147E440 · WP4.6NG155E440 · WP4.6NG164E440 · WP4.6NG175E441
For 130-160 hp wheel tractors used in wet and dry field tillage, field management, short-haul transport and combined tillage
107–129 kW / 130–160 Ps
Power range (kW / Ps)
685 N·m / 1500–1700 rpm
Max torque speed (N·m / rpm)
At a glance
The WP4.6N comes from an original Weichai diesel engine supplier and is built as an Inline unit, with 4.58 L displacement. Rated output spans 107–129 kW (130–160 Ps). Peak torque reaches 685 N·m. It is supplied to meet China Non-Road Stage IV emission requirements. Typical duty is tractor service.
Product Overview
A four-cylinder engine that meets the performance needs of a six-cylinder: compact structure, suited to mountain and hilly operations, excellent power performance and strong adaptability, with power covering 107-129 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) | 107-129/130-160 |
| Max torque speed (N·m / r/min) | 685/1500-1700 |
| Emission standard | China Non-Road Stage IV |
| Fuel | Diesel |
| Engine type | Inline |
| Number of cylinders | 4 |
| Valves | 4 |
| Displacement (L) | 4.58 |
| Aspiration | Turbocharged, intercooled |
| Vehicle application | Tractor |
| Engine dimensions (L×W×H) (mm) | 1013×688×1097 |
| Weight (G.W.) (kg) | 663 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| WP4.6NG147E440 | 107/2200 | 600/1500-1700 | 4.58 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline four-cylinder | Turbocharged, intercooled |
| WP4.6NG155E440 | 114/2200 | 660/1500-1700 | 4.58 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline four-cylinder | Turbocharged, intercooled |
| WP4.6NG164E440 | 120.5/2200 | 660/1500-1700 | 4.58 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline four-cylinder | Turbocharged, intercooled |
| WP4.6NG175E441 | 129/2200 | 685/1500-1700 | 4.58 | China Non-Road Stage IV | CR + EGR + DOC + DPF | Tractor | 4 | Tractor | Inline four-cylinder | Turbocharged, intercooled |
Request a Quote
Send the model designation (for example WP4.6NG147E440), the required quantity and your destination port.
Technical details
The Weichai WP4.6N is built on a Inline configuration with 4 cylinders and 4 valves per cylinder architecture. Displacement is 4.58 L. Intake is turbocharged, intercooled. It is offered for diesel operation. For installation planning, the unit has overall dimensions of 1013×688×1097 and a dry weight of 663 kg.
Typical applications
The Weichai WP4.6N is specified for tractor duty. Confirmed applications include the following, and we can advise on suitability for your machine:
- Tractor
WP4.6N frequently asked questions
What is the power range of the Weichai WP4.6N?
The WP4.6N covers 107–129 kW (130–160 Ps). Confirm the exact sub-model code before ordering, because output varies across the model line-up.
What peak torque does the WP4.6N deliver?
Maximum torque reaches 685 N·m. Torque is developed from 1500-1700 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 WP4.6N 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 WP4.6N 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 WP4.6N 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 WP4.6N?
The WP4.6N is built on a Inline, 4 cylinders, 4.58 L of displacement layout. Send us your machine model if you need confirmation that this layout fits your installation.