WEICHAI 12M55 diesel engine for Industrial power
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Description
The 12M55 series engine has the advantages of small size, light weight, high reliability, good economy, convenient maintenance and good environmental adaptability.
Overview
The 12M55 is a new addition to the new generation high-end engine M55 platform; it covers 1716-2095kW and meets China’s non-road stage3 emission requirements.
Power Rating
Units: USMetric
| Maximum Power | 2850 hp/2095KW |
| Minimum Power | 2335 hp/1716KW |
| Maximum Torque / Speed | 12500/1400 N·m / r/min |
Emission Standards
| Emissions | China non-road Stage Ⅲ |
General
| Series | 12M55 |
| Fuel | Diesel |
| Type | V-type 12-cylinder, four-stroke engine |
| Cylinder Number | 12 |
| Valve Number | 4 |
| Bore | 180 mm |
| Stroke | 215 mm |
| Displacement | 65.65 L |
| Aspiration | Turbocharged and intercooled |
| Compression Ratio | 16.5:1 |
| Combustion System | Electronically controlled high pressure common rail |
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
| Length | 2958 mm |
| Width | 1544 mm |
| Height | 2616 mm |
| Weight – Net Dry (Basic Operating Engine Without Optional Attachments) | 9550 kg |
Remarks: Product parameters and pictures are for reference only; subject to change without notice.
Feature
Emissions
- Meet the non-road emissions in three stages
High reliability
- The cylinder block and cylinder head are creep cast iron, which is strong,
Economical
- High rail pressure fuel system with injection pressure up to 2200bar allows multiple injections, good fuel atomization and low fuel consumption
Maintenance is convenient
- The complete range of modular design, high universal parts and convenient spare parts storage
ModelList
| Model | PrimePower (kW) |
Speed (rpm) |
Application | Speed Regulation Mode | Emission | Standby Power (kW) |
|---|---|---|---|---|---|---|
| 12M55G2335E305 | 1716 | 1800 | Industrial power | ECU | China non-road Stage Ⅲ | |
| 12M55G2535E305 | 1865 | 1800 | Industrial power | ECU | China non-road Stage Ⅲ | |
| 12M55G2735E305 | 2013/ | 1800 | Industrial power | ECU | China non-road Stage Ⅲ | |
| 12M55G2850E305 | 2095/ | 1800 | Industrial power | ECU | China non-road Stage Ⅲ |



