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Isuzu 4H Engine Bolt Tightening Torques
4HF1, 4HF1-2, 4HE1-T, 4HE1-TC, 4HG1N, 4HG1-T engines
Isuzu 4H Engine, Main Bearing Bolts torque
M18 Bolt torques
step 1 = 98 Nm, 72 lb.ft
step 2 = 132 Nm, 97 lb.ft
step 3 = + 30-60 degrees
M10 Bolt torques
37 Nm, 27 lb.ft
Isuzu 4H Engine, Connecting Rod Bolt torque
step 1 = 39 Nm, 29 lb.ft
step 2 = + 60 degrees
step 3 = + 30 degrees
Isuzu 4H Engine, Cylinder Head Bolt
M14 Bolt torques
step 1 = 98 Nm, 72 lb.ft
step 2 = 147 Nm, 108 lb.ft
step 3 = + 30-60 degrees
M10 Bolt torques
38 Nm, 28 lb.ft
Isuzu 4HF1, Diesel Engine Specs
Isuzu 4HF1 Engine
Displacement, bore, stroke and compression ratio
Displacement
4.6334 liter, 264.5 CID
Bore
112 mm, 4.41 in
Stroke
110 mm, 4.33 in
Compression Ratio
19.0:1
Isuzu 4HF1 Engine
Arrangement
4 Cylinder diesel engine
4-stroke cycle
overhead cam
water cooled
Isuzu 4HF1 Engine
Power and Torque
Power
114 hp, 85 kW @3200 rpm
Torque
285 Nm, 210 lb.ft @1800 rpm
Isuzu 4HE1: Diesel Engine Specs
Isuzu 4HE1-TC Engine Displacement, bore, stroke and compression ratio
Displacement
4.751 liter, 289.9 CID
Bore
110 mm, 4.33 in
Stroke
125 mm, 4.92 in
Compression Ratio
17.3:1
Isuzu 4HE1-TC Engine Arrangement
4 Cylinder diesel engine
4-stroke cycle
overhead cam
water cooled
turbocharged
charge-air-cooled
Isuzu 4HE1-TC Engine Power and torque
Power
152 hp, 112 kW @2800 rpm
Torque
444 Nm, 330 lb.ft @1700 rpm