Duramax I6 engine
The Duramax I-6 is a diesel engine available in select models of General Motors light duty trucks and SUVs. Applications include the Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL and the Cadillac Escalade.
| Duramax I-6 | |
|---|---|
| Overview | |
| Also called | LM2 |
| Layout | |
| Configuration | Inline 6 |
| Displacement | 3.0 litres (180 in3) |
| Cylinder bore | 84 millimetres (3.3 in) |
| Piston stroke | 90 millimetres (3.5 in) |
| Block material | Cast aluminum |
| Head material | Cast aluminum |
| Valvetrain | DOHC |
| Compression ratio | 15.0: 1 |
| Combustion | |
| Fuel system | Common rail direct fuel injection |
| Management | GM D1P-E98 |
| Fuel type | ultra-low-sulfur diesel and B20 biodiesel |
| Output | |
| Power output | 207 kilowatts (278 hp) |
| Specific power | 69 kW/l |
| Torque output | 624 newton metres (460 lbf⋅ft) |
| Dimensions | |
| Length | 908 millimetres (35.7 in) |
| Width | 914 millimetres (36.0 in) |
| Height | 903 millimetres (35.6 in) |
| Dry weight | 212 kilograms (467 lb) |
| Emissions | |
| Emissions target standard | Tier 3 Bin 160 |
Engine details
- Displacement: 3.0L
- Configuration: I-6
- Horsepower: 277 hp
- Torque: 460 ft-lb
- RPO code: LM2
- Intercooler: liquid-to-air
- Block: Aluminum
- Head: Aluminum
- Crank: Forged Steel
- Rods: Forged
- Pistons: Hypereutetic cast aluminum alloy
- Cylinder liners: Iron
The engine's timing components are located at the rear of the engine, and feature timing chains to drive the camshafts and high pressure fuel pump, and a wet belt to drive the oil pump.[1]
Most of the development and engineering work for the LM2 Duramax, as well as primary calibration took place in Turin, Italy.[2][3] The engine is being produced at the GM Flint Engine Plant in Flint, Michigan, USA.[4]
References
- https://www.youtube.com/watch?v=NFNsg7bCtdA
- https://www.gm-trucks.com/forums/topic/225182-just-do-it-2020-silverado-1500-30l-duramax-diesel/
- Gibbs, Nick (23 June 2018). "GM's hopes for a diesel revival start in Turin". Automotive News Europe. Retrieved 27 December 2019.
- https://media.gm.com/media/us/en/gm/company_info/facilities/powertrain/flint.html
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