Isuzu 4JA1T(L), 4JA1TC, 4JH1-T, 4JH1-TC Manuals, Engine Specifications & Bolt Torques

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Isuzu 4JA1T(L), 4JA1TC, 4JH1-T, 4JH1-TC
Connecting Rod Nuts

4JA1T (L), 4JA1TC engines
Step 1 = 30 Nm
Step 2 = 78-88 Nm

4JH1-TC engines
Step 1 = 30 Nm
Step 2 = + 45-60 degrees

Isuzu 4JA1T(L), 4JA1TC, 4JH1-T, 4JH1-TC
Main Bearing Bolts

Step 1 = 50 Nm
Step 2 = 100 Nm
Step 3 = 167 Nm

Isuzu 4JA1T(L), 4JA1TC, 4JH1-T, 4JH1-TC
Cylinder Head Bolts

Step 1 = 50 Nm
Step 2 = + 60-75 degrees
Step 3 = + 60-75 degrees

Isuzu 4JA1

Type
4 cyl diesel
Naturally aspirated
Non-inter cooled
Direct injection

Bore
3.66 inches 93 mm

Stroke
3.62 inches 92 mm

Displacement
152.4 CID, 2.499 l

Compression Ratio
18.4:1

Power output
66 kW, 90 hp
@ 4200 rpm

Max torque
172 Nm, 127 lb.ft
@2000 rpm

Weight approx
527 lb, 239 kg

Isuzu 4JA1-L

Type
4 cyl diesel
Turbo charged
Non-inter cooled
Direct injection

Bore
3.66 inches 93 mm

Stroke
3.62 inches 92 mm

Displacement
152.4 CID, 2.499 l

Compression Ratio
18.5:1

Power output
54-66 kW, 73-85 hp
@ 3500-3800 rpm

Max torque
171 Nm, 126 lb.ft
@1800 rpm

Weight approx
527 lb, 239 kg

Isuzu 4JH1-T

Type
4 cyl diesel OHV
Turbo charged
Inter cooled
Direct injection

Bore
3.76 inches 94.5 mm

Stroke
4.13 inches 104.9 mm

Displacement
183 CID, 2.999 l

Compression Ratio
18.5:1

Power output
88 kW, 120 hp
@ 3000 rpm

Max torque
245 Nm, 181 lb.ft
@1800 rpm

Weight approx
550 lb, 250 kg

Isuzu 4JH1-TC

Type
4 cyl diesel
Turbo charged
Inter cooled
Common rail

Bore
3.76 inches 94.5 mm

Stroke
4.13 inches 104.9 mm

Displacement
183 CID, 2.999 l

Compression Ratio
18.3:1

Power output
77 kW, 105 hp
@ 3000 rpm

Max torque
230 Nm, 170 lb.ft
@1800 rpm

Weight approx
550 lb, 250 kg