GMC diesel V6 Trucks 60° 478 CID (7.8 L) D478
GMC diesel V6 Trucks 60° 478 CID (7.8 L) D478 is an 477.7 in³ (7.83 L) internal combustion reciprocating V6 engine. It has bore/stroke ratio of 5.125 in × 3.86 in (13.018 cm × 9.8 cm), and uses 17.5:1 compression. This engine was rated 135 hp (100.67 kW) at 3200 rpm and 266 lbf⋅ft (360.65 N⋅m) of torque at 2000 rpm. It was used in Chevrolet and GMC cars.
Parameter | Output |
---|---|
Power Rating | 135 hp (100.67 kW) at 3200 RPM |
Torque Rating | 266 lbf⋅ft at 2000 RPM |
Parameter | Output |
---|---|
Power Rating | 150 hp (111.85 kW) at 3200 RPM |
Torque Rating | 275 lbf⋅ft at 2000 RPM |
Parameter | Value |
---|---|
Type | Internal Combustion Reciprocating |
Fuel Type | Diesel |
Cylinder Configuration | V6 |
Engine Displacement | 477.7 in³ |
Bore | 5.125 in |
Stroke | 3.86 in |
Compression Ratio | 17.5:1 |
Firing Order | 1-6-5-4-3-2 |
Curb Weight | 950 lb |
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Parameter | Value |
---|---|
Block Material | Chrome-nickel alloy cast iron |
Crankshaft Material | Drop-forged steel |
Piston Material | Permanent mold cast aluminum, tin plated |
Piston Pin Material | Tubular alloy steel |
Connecting Rod Material | Drop-forged heat-treated steel |
Parameter | Value |
---|---|
Head Material | Chrome-nickel alloy cast iron |
Valvetrain Type | OHV |
Valves per Cylinder | 2 |
Camshaft Material | High-strength electric furnace iron |
Parameter | Value |
---|---|
Air Intake Method | Naturally Aspirated |
Parameter | Value |
---|---|
Injection Type | Multi Point |
Injection Info | Compression |
Parameter | Value |
---|---|
Oil Pump | Rotor |
Oil Pump Pressure | 60 Psi |
Oil Pump Capacity | 16 US gpm at 3200 RPM |