Cummins B Series Engine - 6BT

6BT

Cummins B Series
Manufacturer Cummins
Also called 6BTA
Production 1984–1998
Configuration I4 and I6 diesel engines
Displacement 5.9 liters
Cylinder block alloy Iron
Cylinder head alloy Iron
Valvetrain 2 Valves per cylinder
Turbocharger Holset Engineering
Fuel system Direct injection
Management Mechanical
Fuel type Diesel
Oil system Wet sump
Cooling system Water-cooled
Dry weight 1100 lbs
More Details
5.9-litre B series Cummins

Type
Inline six-cylinder turbo diesel, direct fuel injection
Displacement
359 cu in
Bore
4.02 inches (106.9 mm)
Stroke
4.72 inches (124.0 mm)
Compression ratio
17.5:1
Max power
215HP at 2500 rpm
Max torque
440 lb-ft at 1600 rpm
Valve gear
In block cam with 2 valves per cylinder
Cylinders
6 in line
Cylinder head
Cast iron
Cylinder block
Cast iron
Camshaft drive
Gear driven
Crankshaft
Forged steel, seven main bearings
Engine management
Bosch
Fuel injection
High pressure diesel direct injection
Emission control
None
Emission level
?
Turbocharger
Holset
Lubrication system
Wet sump
System capacity with filter
3 Gallons
Cooling system
?
System capacity incl heater
?

The 5.9 litres (360.0 cu in) 6BT, aka the Cummins "12-valve" was the first member of the "B" engine family to be used in a light truck vehicle. The 6BT used Robert Bosch GmbH fuel systems, injector, and VE rotary pump and P7100 inline injection pumps. Some early 6BT's were supplied with CAV rotary pumps instead, before the Bosch system became the sole standard. This engine started life in 1984 designed as an agricultural engine, for use in Case agricultural equipment. After 1989, the 6BT engine was adapted to be used in light duty, medium duty and select heavy duty trucks and buses.

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