GMC Sierra HD (2500 / 3500) GMT900 HD
GMT900-HD 2007 – 2014 pickup 3 engines
Engines
| Engine | Code | Fuel | cc | kW | hp | Nm | Years | ECU / TCU | Stage 1 |
|---|---|---|---|---|---|---|---|---|---|
| 6.6 Duramax LMM 365 | LMM | Diesel | 6 599 | 272 | 365 | 895 | 2007 – 2010 | 450 hp · 1080 Nm | |
| 6.6 Duramax LML 397 | LML | Diesel | 6 599 | 296 | 397 | 1037 | 2011 – 2014 | 480 hp · 1200 Nm | |
| 6.0 V8 Vortec 360 | L96 | Petrol | 5 967 | 268 | 360 | 515 | 2007 – 2014 | — |
Figures are typical factory values; the ECU/TCU depends on the exact production date and market. Always identify the unit from the original read before ordering.