Isuzu 4JB1 Series Engine
The 4JB1 is a 2.8L 93mm bore, 102mm stroke direct injection diesel engine. It was used in the Isuzu bighorn (trooper), Mu (rodeo), Wizard (LWB Rodeo), Rodeo Pickup and Holden Jackaroo sold in Japan, Australia and New Zealand until the early 90's.
It features direct injection and was turbocharged and intercooled in later applications. Stock power levels are approximately 85kw.
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Technical parameters

Type

Vertical, water cooled, four stroke, natural breathing

Fuel injection system

GAC fuel injection pump

Air inlet mode

Normally aspirated

The number of cylinders

4

Bore stroke(mm)

93/102

Total displacement(L)

2.771

Ignition order

1-3-4-2

Crankshaft rotation direction

Counter clockwise (for the flywheel side)

Compression ratio

17.4:1

Rated power (r/min kW/)

24/1500

1 hour power (r/min kW/)

27/1500

Idle speed (r/min)

800

Lowest fuel consumption rate (g/kW.h)

208

Fuel

Light diesel oil GB252

Lubricating system

EU Stage V is available

Net quality (kg)

208

Appearance size (mm)

870x667x790

Emission level

European II or (EGR cooling return valve)

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