Isuzu 4JB1 engine
Engines

Isuzu 4JB1 engine

Specifications of the 2.8-liter Isuzu 4JB1 diesel engine, reliability, resource, reviews, problems and fuel consumption.

The 2.8-liter Isuzu 4JB1 diesel engine was assembled at a factory in Japan from 1988 to 1998 and installed on such popular concern models as the Trooper, Wizard or Faster pickup truck. Now the production of clones of this unit has been mastered by numerous Chinese companies.

The J-engine line also includes diesel engines: 4JG2 and 4JX1.

Technical characteristics of the Isuzu 4JB1 2.8 liter engine

Modification: 4JB1 non-supercharged
Exact volume2771 cm³
Supply systemdirect injection
Internal combustion engine power87 - 90 HP
Torque180 - 185 Nm
Cylinder blockcast iron R4
Block headcast iron 8v
Bore93 mm
Piston stroke102 mm
Compression ratio18.2
Features of the internal combustion engineOHV
Hydraulic compensatorsYes
Timing drivegears
Phase regulatorno
Turbochargingno
What kind of oil to pour4.2 liters 5W-40
fuel typediesel
Environmental classEURO 1
Approximate resource450 000 km

Modification: 4JB1T or 4JB1-TC
Exact volume2771 cm³
Supply systemdirect injection
Internal combustion engine power95 - 115 HP
Torque220 - 235 Nm
Cylinder blockcast iron R4
Block headcast iron 8v
Bore93 mm
Piston stroke102 mm
Compression ratio18.1
Features of the internal combustion engineOHV, intercooler
Hydraulic compensatorsno
Timing drivebelt
Phase regulatorno
TurbochargingIHI RHB5 or RHF4
What kind of oil to pour4.2 liters 5W-40
fuel typediesel
Environmental classEURO 2/3
Approximate resource400 000 km

The weight of the 4JB1 engine according to the catalog is 240 kg

Engine number 4JB1 is located at the junction of the block with the box

Fuel consumption internal combustion engine Isuzu 4JB1-TC

Using the example of a 1994 Isuzu MU with a manual transmission:

City10.1 liters
Track7.0 liters
Mixed8.7 liters

Which cars were equipped with the 4JB1 2.8 l engine

Isuzu
Faster 3 (TF)1992 – 1998
United 1 (UC)1989 – 1998
Trooper 1 (UB1)1988 – 1991
Wizard 1 (UC)1992 – 1998
Opel
Border A (U92)1995 – 1996
  

Disadvantages, breakdowns and problems 4JB1

These are very reliable diesel engines, analogues of which are often used in industry.

Zexel fuel equipment runs for a long time, but there are problems with its spare parts

Monitor the condition of the timing belt, or if it breaks, at least the rods will bend

Sometimes it cuts off the gears of the oil pump and breaks the keyway on the crankshaft

According to the regulations, the thermal clearances of the valves must be adjusted every 40 km


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