Cummins B Series Engine - ISB 5.9

ISB 5.9

Cummins B Series
Manufacturer	Cummins
Also called	ISB
Production	1998–2002
Predecessor	6BT
Configuration	I4 and I6 diesel engines
Displacement	5.9 Liters
Cylinder block alloy	Iron
Cylinder head alloy	Iron
Valvetrain	4 Valves per cylinder
Turbocharger	Holset Engineering
Fuel system	Direct injection
Management	Mechanical with electronic advance.
Fuel type	Diesel
Oil system	Wet sump
Cooling system	Water-cooled
Dry weight	1100 lbs

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5.9-litre ISB Cummins Type Inline six-cylinder turbo diesel, direct fuel injection Displacement 359 cu in Bore 4.02 inches (102.2 mm) Stroke 4.72 inches (119.9 mm) Compression ratio 16.3:1 Max power 325HP at 2900 rpm Max torque 610 lb-ft at 1600 rpm Valve gear In block cam with 4 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, symmetrical combustion chamber Emission control Electric fuel control Emission level ? Turbocharger Holset Lubrication system Wet sump System capacity with filter 3 Gallons Cooling system ? System capacity incl heater ?

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5.9-litre ISB Cummins

Type
Inline six-cylinder turbo diesel, direct fuel injection
Displacement
359 cu in
Bore
4.02 inches (102.2 mm)
Stroke
4.72 inches (119.9 mm)
Compression ratio
16.3:1
Max power
325HP at 2900 rpm
Max torque
610 lb-ft at 1600 rpm
Valve gear
In block cam with 4 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, symmetrical combustion chamber
Emission control
Electric fuel control
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) ISB (Interact System B) is one of the largest straight-six engines ever produced for light truck vehicles, and the improved high output 600 version was on the Ward's 10 Best Engines list for 2004.

One unusual feature of the ISB is that it is a multi-valve pushrod engine design. The engine displaces 5,883 cubic centimetres (359.0 cu in), with a 102.1 millimetres (4.02 in) cylinder bore and 119.9 millimetres (4.72 in) piston stroke. A turbocharger is used to increase the output in the high-compression (17.2:1 in recent versions) diesel. It is an all-iron engine with forged steel connecting rods, an assembled camshaft, and a cast aluminum intake manifold. The engine is produced in Columbus, Indiana.

The ISB uses electronically controlled Robert Bosch GmbH fuel systems, unlike the 6BT which were mechanical. Early ISB engines utilize Bosch injectors and a Bosch VP44 high pressure pump. Later ISB designs have common rail fuel injection, and once again utilized Bosch injectors and a Bosch CP3 high pressure pump.

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