00 – 30 SERVICE INFORMATION
MAIN DATA AND SPECIFICATIONS
MAIN DATA AND SPECIFICATIONS
Item
Engine Model
4JB1 / 4JB1T / 4JB1TC 4JG2 (G. EXP & EC)
Engine type Four-cycle, overhead valve, water cooled
Combustion chamber type Direct injection In direct injection
Cylinder liner type Dry type, chrome plated, stainless steel tube
Timing train system Gear drive Gear and Belt Drive
No. of cylinders - Bore x stroke mm (in) 4 - 93 x 102
(3.66 x 4.02)
4 - 95.4 x 107
(3.76 x 4.21)
No. of piston rings Compression rings: 2 / Oil ring: 1
Total piston displacement cm
3
(in
3
) 2,771 (169.0) 3,059 (186.6)
Compression ratio (to 1) 18.2 (4JB1)
18.1 (4JB1T/4JB1TC)
20.1
Compression pressure kPa (kg/cm
2
/psi) 3,038 (31 / 441) 3,334 (34 / 483.8)
(For EC 2,363 (24.1 / 531))
Engine weight (Dry) N (kg/lb) Approximately
2,245 (229 / 505) (4JB1)
2,511 (256 / 564)
(4JB1T/4JB1TC)
Approximately
2,403 (245 / 540)
Fuel injection order 1 - 3 - 4 - 2
Fuel injection timing deg BTDC 14 (4JB1)
BTDC 12 (’91/542A) (4JB1)
BTDC 11 (4JB1T)
BTDC 4 (4JB1TC)
ATDC 1 (Belt ’91/542A)
TDC 0° (Belt ’91/542B)
ATDC 2 (Gear ’91/542A)
Specified fuel type SAE No. 2 diesel fuel
Idling speed rpm 750 - 790 700 – 740
Valve clearances (At cold): Intake mm(in) 0.40 (0.016)
Exhaust mm(in) 0.40 (0.016)
Valve clearances (At hot): Intake mm(in) 0.45 (0.018)
Exhaust mm(in) 0.45 (0.018)
Intake valves Open at (BTDC) deg 24.5
Close at (ATDC) deg 55.5
Exhaust valves Open at (BTDC) deg 54
Close at (ATDC) deg 26
NOTE: G.EXP : General Export Model
EC : European Countries
Emission Gas Control Standard
’91/542A : Euro 1
’91/542B : Euro 2
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