Main Data And Specifications - Isuzu 4JB1 Service Information

00 – 30 SERVICE INFORMATION

MAIN DATA AND SPECIFICATIONS

Item
Engine type
Combustion chamber type
Cylinder liner type
Timing train system
No. of cylinders - Bore x stroke mm (in)
No. of piston rings
Total piston displacement
Compression ratio (to 1)
Compression pressure
Engine weight (Dry)
Fuel injection order
Fuel injection timing
Specified fuel type
Idling speed
Valve clearances (At cold): Intake
Valve clearances (At hot): Intake
Intake valves
Exhaust valves
NOTE: G.EXP :
EC :
Emission Gas Control Standard
'91/542A :
'91/542B :
MAIN DATA AND SPECIFICATIONS
Engine Model
3 3
cm (in )
2
kPa (kg/cm /psi)
N (kg/lb)
deg
rpm
mm(in)
Exhaust mm(in)
mm(in)
Exhaust mm(in)
Open at (BTDC) deg
Close at (ATDC) deg
Open at (BTDC) deg
Close at (ATDC) deg
General Export Model
European Countries
Euro 1
Euro 2
4JB1 / 4JB1T / 4JB1TC
Four-cycle, overhead valve, water cooled
Direct injection
Dry type, chrome plated, stainless steel tube
Gear drive
4 - 93 x 102
(3.66 x 4.02)
Compression rings: 2 / Oil ring: 1
2,771 (169.0)
18.2 (4JB1)
18.1 (4JB1T/4JB1TC)
3,038 (31 / 441)
Approximately
2,245 (229 / 505) (4JB1)
2,511 (256 / 564)
(4JB1T/4JB1TC)
BTDC 14 (4JB1)
BTDC 12 ('91/542A) (4JB1)
BTDC 11 (4JB1T)
BTDC 4 (4JB1TC)
SAE No. 2 diesel fuel
750 - 790
4JG2 (G. EXP & EC)
In direct injection
Gear and Belt Drive
4 - 95.4 x 107
(3.76 x 4.21)
3,059 (186.6)
20.1
3,334 (34 / 483.8)
(For EC 2,363 (24.1 / 531))
Approximately
2,403 (245 / 540)
1 - 3 - 4 - 2
ATDC 1 (Belt '91/542A)
TDC 0° (Belt '91/542B)
ATDC 2 (Gear '91/542A)
700 – 740
0.40 (0.016)
0.40 (0.016)
0.45 (0.018)
0.45 (0.018)
24.5
55.5
54
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