LM2 Duramax 3.0L Turbo-Diesel I6
Модульний 4-циліндровий двигун з TwinPower Turbo, відомий своєю надійністю та ефективністю.
60
Brand engines
19
Modifications
Technical Specifications
| Engine Displacement | 3.0 L (2,993 cc) |
| Configuration | Inline-6 |
| Number of Cylinders | 6 |
| Valves per Cylinder | 4 |
| Power | 277 л.с. |
| Torque | 624 Н*м |
| Cylinder Bore | 84.00 mm |
| Piston Stroke | 90.00 mm |
| Compression Ratio | 15.0:1 |
| Firing Order | 1-5-3-6-2-4 |
| Fuel System | Common Rail Direct Injection |
| Aspiration | Turbocharged |
| Turbocharger | Single Variable Geometry Turbocharger |
| Intercooler | Yes |
| Maximum RPM | 5,000 rpm |
| Max Torque RPM | 1,500 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 250000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Duramax |
| Manufacturing Plant | Flint, Michigan, USA |
Maintenance
| Engine Oil Capacity | 7.6 L (with filter: 8 L) |
| Recommended Viscosity | 0W-20 |
| Oil Standard | dexosD |
| Recommended Brands | ACDelco, Mobil 1, Castrol |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 12684038 |
| Air Filter |
84372620
Replace every 60 000 km |
| Fuel filter | 12684039 |
| Cabin Filter | 84336848 |
| Spark Plugs | |
| Coolant Capacity | 13.5 L |
| Coolant Type | DEX-COOL (ACDelco) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 800-1200 USD |
Reliability
Expected lifespan: 400 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Turbocharger failure | Medium | 150000-200000 km | $2000-3000 |
Tuning potential
Tuning potential: Medium | Max. safe power: 450 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 320 hp | 700 Nm |
ECU remap only Reliability impact: Minimal |
$600 |
| Stage 2 | 360 hp | 750 Nm |
ECU, Downpipe, Intake Required: Upgraded intercooler, Downpipe, ECU remap Reliability impact: Low |
$3000 |
| Stage 3 | 400 hp | 800 Nm |
Hybrid Turbo, Injectors Required: Bigger turbo, Upgraded fuel system Reliability impact: Medium |
$8000 |
Popular modifications
- ECU tune
- Upgraded intercooler
- Exhaust system
Tuning limitations
- Transmission limitations above 400hp
- Cooling system upgrades recommended for high power levels
Детальні технічні характеристики
7
модифікацій
277–277
к.с.
Спільні характеристики
| Back suspension | Dependent, spring |
| Body type | Pickup |
| Boost type | Turbocharged |
| Capacity | 2993 cm3 |
| Car class | J |
| Clearance | 224 mm |
| Compression ratio | 15 |
| Country | USA |
| Cylinder layout | inline |
| Engine code | LM2 |
| Engine placement | Front, longitudinal |
| Engine type | Diesel |
| Front brakes | ventilated disc |
| Front suspension | Independent, spring |
| Fuel | diesel |
| Injection type | Common rail (diesel) |
| Number of cylinders | 6 |
| Number of gear | 10 |
| Steering wheel position | Left |
| Timing belt | DOHC |
| Valves per cylinder | 4 |
Модифікації двигуна
3.0 AT (277 hp)
Привід Rear wheel drive
КПП Automatic
Silverado 4 (T1XX) [рест.]
2022–2026
277 hp
engine
Cylinder bore
84.0 mm
Engine model
LM2
Engine power
277 hp
Fuel tank capacity
83 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
623 N*m
Stroke cycle
90.0 mm
Turnover of maximum torque
1500 RPM
fuel
City driving fuel consumption per 100 km
10.2 l
Highway driving fuel consumption per 100 km
7.6 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Automatic
dimensions
Height
1920 mm
Length
5834 mm
Number of doors
2
Wheelbase
3545 mm
Width
2061 mm
suspension
Rear brakes
ventilated disc
Wheel size
255/70 R17, 265/65 R18, 265/70 R17, 275/65 R18, 275/70 R18
other
Number of seater
2, 3
3.0 AT 4WD (277 hp)
Привід All wheel drive (AWD)
КПП Automatic
Silverado 4 (T1XX) [рест.]
2022–2026
277 hp
engine
Cylinder bore
84.0 mm
Engine model
LM2
Engine power
277 hp
Fuel tank capacity
91 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
623 N*m
Stroke cycle
90.0 mm
Turnover of maximum torque
1500 RPM
performance
Acceleration (0-100 km/h)
8.0 s
Max speed
185 km/h
fuel
City driving fuel consumption per 100 km
10.7 l
Highway driving fuel consumption per 100 km
9.0 l
Mixed driving fuel consumption per 100 km
9.8 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Automatic
dimensions
Curb weight
2326 kg
Full weight
3311 kg
Height
1921 mm
Length
5890 mm
Number of doors
4
Wheelbase
3745 mm
Width
2063 mm
suspension
Rear brakes
ventilated disc
Wheel size
255/70 R17, 265/65 R18, 265/70 R17, 275/65 R18, 275/70 R18
other
Number of seater
5, 6
3.0 AT 4WD (277 hp)
Привід All wheel drive (AWD)
КПП Automatic
Silverado 4 (T1XX) [рест.]
2022–2026
277 hp
engine
Cylinder bore
84.0 mm
Engine model
LM2
Engine power
277 hp
Fuel tank capacity
107 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
623 N*m
Stroke cycle
90.0 mm
Turnover of maximum torque
1500 RPM
fuel
City driving fuel consumption per 100 km
10.7 l
Highway driving fuel consumption per 100 km
9.0 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Automatic
dimensions
Height
1920 mm
Length
5834 mm
Number of doors
2
Wheelbase
3545 mm
Width
2061 mm
suspension
Rear brakes
ventilated disc
Wheel size
255/70 R17, 265/65 R18, 265/70 R17, 275/65 R18, 275/70 R18
other
Number of seater
2, 3
3.0 AT (277 hp)
Привід Rear wheel drive
КПП Automatic
Silverado 4 (T1XX)
2019–2022
277 hp
engine
Cylinder bore
84 mm
Engine model
LM2 Duramax I6
Engine power
277 hp
Fuel tank capacity
91 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
460 N*m
Stroke cycle
90 mm
Turnover of maximum torque
5100 RPM
performance
Acceleration (0-100 km/h)
7.5 s
Max speed
185 km/h
fuel
City driving fuel consumption per 100 km
10.2 l
Highway driving fuel consumption per 100 km
7.2 l
Mixed driving fuel consumption per 100 km
9.0 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Automatic
dimensions
Height
1921 mm
Length
5886 mm
Number of doors
4
Wheelbase
3745 mm
Width
2063 mm
suspension
Rear brakes
Disc
Wheel size
265/65 R18
other
Disc size
10x20 ET15, 10x22 ET18, 10x24 ET18, 8.5x18 ET15, 8.5x20 ET20, 8x18 ET20, 9.5x20 ET18
Number of seater
5, 6
Pitch Circle Diameter
DIA77.8 6x139.7 mm
3.0 AT (277 hp)
Привід Rear wheel drive
КПП Automatic
Silverado 4 (T1XX)
2019–2022
277 hp
engine
Cylinder bore
84 mm
Engine model
LM2 Duramax I6
Engine power
277 hp
Fuel tank capacity
107 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
460 N*m
Stroke cycle
90 mm
Turnover of maximum torque
5100 RPM
performance
Acceleration (0-100 km/h)
7.5 s
Max speed
185 km/h
fuel
City driving fuel consumption per 100 km
10.2 l
Highway driving fuel consumption per 100 km
7.2 l
Mixed driving fuel consumption per 100 km
9.0 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Automatic
dimensions
Curb weight
2132 kg
Full weight
3084 kg
Height
1923 mm
Length
5353 mm
Number of doors
2
Wheelbase
3213 mm
Width
2063 mm
suspension
Rear brakes
Disc
Wheel size
265/65 R18
other
Disc size
10x20 ET15, 10x22 ET18, 10x24 ET18, 8.5x18 ET15, 8.5x20 ET20, 8x18 ET20, 9.5x20 ET18
Number of seater
2, 3
Pitch Circle Diameter
DIA77.8 6x139.7 mm
3.0 AT 4WD (277 hp)
Привід All wheel drive (AWD)
КПП Automatic
Silverado 4 (T1XX)
2019–2022
277 hp
engine
Cylinder bore
84 mm
Engine model
LM2 Duramax I6
Engine power
277 hp
Fuel tank capacity
91 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
460 N*m
Stroke cycle
90 mm
Turnover of maximum torque
5100 RPM
performance
Acceleration (0-100 km/h)
8.0 s
Max speed
185 km/h
fuel
City driving fuel consumption per 100 km
10.2 l
Highway driving fuel consumption per 100 km
8.1 l
Mixed driving fuel consumption per 100 km
9.4 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Automatic
dimensions
Curb weight
2382 kg
Full weight
3175 kg
Height
1921 mm
Length
5886 mm
Number of doors
4
Wheelbase
3745 mm
Width
2063 mm
suspension
Rear brakes
Disc
Wheel size
265/65 R18
other
Disc size
10x20 ET15, 10x22 ET18, 10x24 ET18, 8.5x18 ET15, 8.5x20 ET20, 8x18 ET20, 9.5x20 ET18
Number of seater
5, 6
Pitch Circle Diameter
DIA77.8 6x139.7 mm
3.0 AT 4WD (277 hp)
Привід All wheel drive (AWD)
КПП Automatic
Silverado 4 (T1XX)
2019–2022
277 hp
engine
Cylinder bore
84 mm
Engine model
LM2 Duramax I6
Engine power
277 hp
Fuel tank capacity
107 l
Max power (kW)
207 kW
Max power at RPM
3750 RPM
Maximum torque
460 N*m
Stroke cycle
90 mm
Turnover of maximum torque
5100 RPM
performance
Acceleration (0-100 km/h)
7.2 s
Max speed
185 km/h
fuel
City driving fuel consumption per 100 km
10.2 l
Highway driving fuel consumption per 100 km
8.1 l
Mixed driving fuel consumption per 100 km
9.4 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Automatic
dimensions
Curb weight
2230 kg
Full weight
3175 kg
Height
1923 mm
Length
5353 mm
Number of doors
2
Wheelbase
3213 mm
Width
2063 mm
suspension
Rear brakes
Disc
Wheel size
265/65 R18
other
Disc size
10x20 ET15, 10x22 ET18, 10x24 ET18, 8.5x18 ET15, 8.5x20 ET20, 8x18 ET20, 9.5x20 ET18
Number of seater
2, 3
Pitch Circle Diameter
DIA77.8 6x139.7 mm
Cars with the LM2 engine
This engine was fitted to 8 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Cadillac | Escalade | Escalade V (GMT1XX) | 2021 - present |
|
No photo
|
Cadillac | Escalade iQ | Escalade IQ | 2024 - present |
|
No photo
|
Cadillac | Lyriq | Lyriq | 2023 - present |
|
No photo
|
Chevrolet | Silverado | Silverado IV | 2019 - present |
|
No photo
|
Chevrolet | Suburban | Suburban | 2001 - 2020 |
|
No photo
|
Chevrolet | Suburban | Suburban XII | 2021 - present |
|
No photo
|
Chevrolet | Tahoe | Tahoe IV | 2015 - 2020 |
|
No photo
|
Chevrolet | Tahoe | Tahoe V | 2021 - present |
|
No photo
|
GMC | Terrain | Terrain III | 2025 - present |
|
No photo
|
GMC | Yukon | Yukon V | 2021 - present |
All modifications (19)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Cadillac Escalade | Escalade V (GMT1XX) | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Cadillac Escalade | Escalade V (GMT1XX) | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| Cadillac Escalade iQ | Escalade IQ | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Cadillac Escalade iQ | Escalade IQ | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| Cadillac Lyriq | Lyriq | Cadillac Lyriq 340 к.с. 1-електродвигун 1-ступінчаста 2WD | 340 hp | 1-ступінчаста | 2WD |
| Chevrolet Silverado | Silverado IV | 3.0L I6 Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Chevrolet Silverado | Silverado IV | 3.0L I6 Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| Chevrolet Suburban | Suburban | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Chevrolet Suburban | Suburban | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| Chevrolet Suburban | Suburban XII | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Chevrolet Suburban | Suburban XII | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| Chevrolet Tahoe | Tahoe IV | 3.0L I6 Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Chevrolet Tahoe | Tahoe IV | 3.0L I6 Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| Chevrolet Tahoe | Tahoe V | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| Chevrolet Tahoe | Tahoe V | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
| GMC Terrain | Terrain III | 1.6L Diesel I4 137 л.с. 6-МКП 2WD | 137 hp | 6-МКП | 2WD |
| GMC Terrain | Terrain III | 1.6L Diesel I4 137 л.с. 9-Автомат 4x4 | 137 hp | 9-Автомат | 4x4 |
| GMC Yukon | Yukon V | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 2WD | 277 hp | 10-Автомат | 2WD |
| GMC Yukon | Yukon V | 3.0L I6 Turbo Diesel 277 л.с. 10-Автомат 4x4 | 277 hp | 10-Автомат | 4x4 |
Interesting Facts
- The LM2 engine is part of the Duramax family, known for its durability and performance.
- It features a variable geometry turbocharger for improved efficiency and power delivery.
Applications
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Chevrolet Silverado 1500 | Fourth Generation | 2019-present | 277hp | North America |
| GMC Sierra 1500 | Fourth Generation | 2019-present | 277hp | North America |
Compatible transmissions: 10-speed Automatic
Drive types: RWD, 4WD
Fuel Economy
| Fuel Type | Diesel |
| Consumption (City) | 10.5 L/100km |
| Consumption (Highway) | 8 L/100km |
| Consumption (Combined) | 9 L/100km |
| Real Consumption | 9.5 L/100km |
| Fuel Tank Capacity | 91 L |
| Range | 1,011 km |
| Cost per 100 km | 10-12 USD |
Emissions Standards
| Emission Standard | Euro 6 |
| CO₂ Emissions | 230 g/km |
| Particulate Filter (DPF) |
Present Regeneration every 500 km |
| AdBlue |
Required Consumption: 1 L/1000km |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| Power Stroke 3.0L | Ford | 2,993 cc | 250 hp | 597 Nm |
| EcoDiesel 3.0L | Ram | 2,987 cc | 260 hp | 651 Nm |
Pros
- Higher torque output compared to competitors
- Advanced turbocharging technology
Cons
- Higher initial cost
- Limited availability in some markets