12M33 Series · 39.2 L · China Non-Road Stage III
Wheel Loader Engine 12M33
Models: 12M33G1225E305
For 22-27 t wheel loaders
900 kW / 1225 Ps
Power range (kW / Ps)
5800 N·m / 1300 rpm
Max torque speed (N·m / rpm)
At a glance
The 12M33 comes from an original Weichai diesel engine supplier and is built as a V-type, four-stroke, electronically controlled high-pressure common rail unit, with 39.2 L displacement. Rated output spans 900 kW (1225 Ps). Peak torque reaches 5800 N·m. It is supplied to meet China Non-Road Stage III emission requirements. Typical duty is wheel loader service.
Product Overview
12 cylinders, V-type, four-stroke, electronically controlled high-pressure common rail, turbocharged and intercooled; displacement 39.2 L, rated power up to 900 kW at a rated speed of 1800 r/min, maximum torque / speed (5800 N·m) / 1300-1400 (r/min).
Product Advantages
- Strong power: maximum power up to 900 kW and maximum torque 5800 N·m.
- Good fuel economy: fuel consumption in common working and mining conditions is better than competing products by 14-18 g/kW·h.
- Superior NVH: noise 2 dBA below competing products.
- Capable of operation at 5000 m altitude, with an allowable ambient temperature of -50~50°C.
Specifications
| Power range (kW / Ps) | 900/1225 |
| Max torque speed (N·m / r/min) | 5800/1300 |
| Emission standard | China Non-Road Stage III |
| Fuel | Diesel |
| Engine type | V-type, four-stroke, electronically controlled high-pressure common rail |
| Number of cylinders | 12 |
| Valves | 4 |
| Displacement (L) | 39.2 |
| Aspiration | Turbocharged, intercooled |
| Vehicle application | 22~27 t wheel loader |
| Engine dimensions (L×W×H) (mm) | 2300×1580×1862 |
| Weight (G.W.) (kg) | 4520 |
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 | Speed | Use | Type | Engine net weight (kg) | Idle speed | Aspiration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12M33G1225E305 | 900/1800 | 5800/1300-1400 | 39.2 | China Non-Road Stage III | electronically controlled high-pressure common rail | 22~27 t wheel loader | 48 | 1800 | wheel loader | V-type | 4520 | 700 | Turbocharged, intercooled |
Request a Quote
Send the model designation (for example 12M33G1225E305), the required quantity and your destination port.
Technical details
The Weichai 12M33 is built on a V-type, four-stroke, electronically controlled high-pressure common rail configuration with 12 cylinders and 4 valves per cylinder architecture. Displacement is 39.2 L. Intake is turbocharged, intercooled. It is offered for diesel operation. For installation planning, the unit has overall dimensions of 2300×1580×1862 and a dry weight of 4520 kg.
Typical applications
The Weichai 12M33 is specified for wheel loader duty. Confirmed applications include the following, and we can advise on suitability for your machine:
- Wheel loader
12M33 frequently asked questions
What is the power range of the Weichai 12M33?
The 12M33 covers 900 kW (1225 Ps). Confirm the exact sub-model code before ordering, because output varies across the model line-up.
What peak torque does the 12M33 deliver?
Maximum torque reaches 5800 N·m. Torque is developed from 1300 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 12M33 meet?
This unit is offered to China Non-Road Stage III. Tell us your destination market and we will confirm the certification route before shipment.
Is the 12M33 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 12M33 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 12M33?
The 12M33 is built on a V-type, four-stroke, electronically controlled high-pressure common rail, 12 cylinders, 39.2 L of displacement layout. Send us your machine model if you need confirmation that this layout fits your installation.