Isuzu 4JB1 User Manual

SERVICE INF
ORMATION 00 – 31
Item
Engine Model
4J
B1 / 4JB1T / 4JB1TC 4JG2 (G. EXP & EC)
Lubr
icating system
Lubr
ication method Pressurized circulation
Spec
ified engine oil (API grade) CC (4JB1)
CD (4JB1T/4JB1TC)
CC
O
il pump type Gear
O
il filter type Disposable cartridge (Spin-on) Paper element
O
il capacity (Including oil filter)
lit (US/UK gal) 6.6 - 7.1 (1.74 - 1.87/2.62 - 2.82)
(For EC 6.2 - 8.2 (2.17 - 1.64 / 1.36 - 1.80))
O
il cooler type Water cooled
F
uel system
Inj
ection pump type Bosch distributor
G
overnor type Mechanical (Partially variable speed) (For EC Variable speed)
Inj
ection nozzle type Hole Pinttle
Inj
ection nozzle kPa (kg/cm
2
/ps
i)
opening pressure
18,142 (185 / 2,631)
(4JB1/4JB1T)
1st: 19,500 (199 / 2,830)
2nd: 26,500 (270 / 3,840)
(4JB1TC)
14,710 (150/2,133)
Main f
uel filter type Cartridge paper element and water separator
Air
cleaner type Dry paper element
G
enerator capacity V-A (W) 12 - 40 (480) and 12 - 50 (600) 12 - 50 (600)
(For EC 12 - 60 (720))
Star
ter motor output V-kW 12 - 2.0 and 12 - 2.2 12 - 2.2
(For EC 12 - 2.0)
T
urbocharger IHI RHB5 (4JB1T)
IHI RHF4 (4JB1TC)

Isuzu 4JB1 Specifications

General

Displacement	2.8 L (2771 cc)
Bore x Stroke	93 mm x 102 mm
Compression Ratio	18.4:1
Fuel System	Indirect Injection
Aspiration	Naturally Aspirated
Cooling System	Water-cooled
Engine Type	Inline 4-cylinder diesel
Max Power	85 hp (63 kW) at 3600 rpm
Valve Train	OHV