Cummins QSB 3.3 Engine_3D Data ASM Download
The new Cummins QSB3.3 not only contradicts the traditional compact dynamic thinking-it rewrites the rules. Compared with any 4.0 to 4.5 liter engine, QSB3.3 is smaller and lighter, and can provide up to 110 horsepower (82 kilowatts) of power. In addition, it has the inherent durability you would expect from a large Cummins engine.
Advertised Horsepower 80-110 HP 60-82 KW
Peak Torque 274-304 LB-Ft 371-412 N•M
Number of Cylinders 4 4
Bore and Stroke 3.74 IN X 4.53 I 95 MM X 115 MM
Aspiration Charge Air Cooled Charge Air Cooled
Oil System Capacity 8.5-12.7 U.S. QT 8-12 L
Coolant Capacity*** 4.9 U.S. QT 4.6 L
Length 27.7 IN 702 MM
Width 24.3 IN 616 MM
Height 29.9 IN 760 MM
Weight (Dry) 585 LB 265 KG
With QSB3.3, you can obtain excellent performance across the 80-110 horsepower (60-82 kW) range from a highly compact and economical engine. It combines the proven reliability of B3.3 with the electronic control of Cummins Quantum System and the performance enhancement capabilities of the high-pressure common rail fuel system. Features such as automatic derating of engine protection, quick diagnosis, easier cold start and faster load acceptance bring significant operating advantages. Equally important, the engine retains the B3.3 fuel efficiency and minimum maintenance requirements, providing the same low operating costs.
QSB3.3 not only meets Tier 3/Stage IIIA emission standards, but also sets new standards for engine sociality with extremely low noise and vibration.
Cummins’ advanced in-cylinder combustion eliminates the need for complex emission solutions—it is powerful enough to operate safely with high-sulfur fuels anywhere in the world.
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