Cummins QST30 12 Cylinder Mining Diesel Engine

Sophisticated electronics and premium engineering give the QST30 Quantum series outstanding performance levels, delivering more power and torque in a smaller package than many of its competitors.

Setting the standard for rugged dependable power, the engine uses Ductile Iron pistons to provide the improved strength and durability to handle increased cylinder pressure, ensuring longer life cycles to overhaul.


Engine: Cummins QST30

Displacement: 30.5L (1,861 ci)
Engine Layout: V-12
Valvetrain: 48-valve
Bore x Stroke: 5.51 x 6.50 inches (140 x 165 mm)
Compression Ratio: 14:1
Head material: Cast-iron
Block material: Cast-iron
Piston material: Cast ductile iron
Power: 1,200 hp (679 kw)
Torque: 3,750 lb-ft (4,100 Nm)
Emissions: EPA Tier 2, EU Stage II
Induction: Two wastegate turbochargers
Exhaust: Cast-iron
Intercooler: Air-to-air
Cooling System: Liquid-cooled
Fuel System: Common-rail direct-injection
Lubrication System: Wet sump
Lubrication Capacity: 156 quarts (148 liters)
Dry Weight: 7,337 pounds
Length: 74.3 inches (1,905 mm)
Width: 58.4 inches (1,483 mm)
Height: 68.8 inches (1,744

Category Tags ,
Scroll to Top