12M55 Series · 65.65 L · China Non-Road Stage III
Excavator Engine 12M55
Models: 12M55G2335E305
For 400 t excavators
1716 kW / 2335 Ps
Power range (kW / Ps)
10000 N·m / 1400 rpm
Max torque speed (N·m / rpm)
At a glance
The 12M55 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 65.65 L displacement. Rated output spans 1716 kW (2335 Ps). Peak torque reaches 10000 N·m. It is supplied to meet China Non-Road Stage III emission requirements. Typical duty is excavator service.
Product Overview
12 cylinders, V-type, four-stroke, electronically controlled high-pressure common rail, turbocharged and intercooled; displacement 65.7 L, rated power up to 1716 kW at a rated speed of 1800 r/min, maximum torque / speed (10000 N·m) / 1400 (r/min).
Product Advantages
- Strong power: maximum power up to 1716 kW and maximum torque 10000 N·m.
- Good fuel economy with superior NVH; capable of operation at 5000 m altitude, with an allowable ambient temperature of -50~50°C.
Specifications
| Power range (kW / Ps) | 1716/2335 |
| Max torque speed (N·m / r/min) | 10000/1400 |
| 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) | 65.65 |
| Aspiration | Turbocharged, intercooled |
| Vehicle application | 400 t mining excavator |
| Engine dimensions (L×W×H) (mm) | 2851×1545×2169 |
| Weight (G.W.) (kg) | 9500 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12M55G2335E305 | 1716/1800 | 10000/1400 | 16.5 | China Non-Road Stage III | electronically controlled high-pressure common rail | 400 t mining excavator | 48 | 1800 | mining excavation | V-type | 9500 | 700 | Turbocharged, intercooled |
Request a Quote
Send the model designation (for example 12M55G2335E305), the required quantity and your destination port.
Technical details
The Weichai 12M55 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 65.65 L. Intake is turbocharged, intercooled. It is offered for diesel operation. For installation planning, the unit has overall dimensions of 2851×1545×2169 and a dry weight of 9500 kg.
Typical applications
The Weichai 12M55 is specified for excavator duty. Confirmed applications include the following, and we can advise on suitability for your machine:
- Mining excavation
12M55 frequently asked questions
What is the power range of the Weichai 12M55?
The 12M55 covers 1716 kW (2335 Ps). Confirm the exact sub-model code before ordering, because output varies across the model line-up.
What peak torque does the 12M55 deliver?
Maximum torque reaches 10000 N·m. Torque is developed from 1400 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 12M55 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 12M55 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 12M55 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 12M55?
The 12M55 is built on a V-type, four-stroke, electronically controlled high-pressure common rail, 12 cylinders, 65.65 L of displacement layout. Send us your machine model if you need confirmation that this layout fits your installation.