Isuzu NHR 4J Series, Workshop Manual

Page: 35 / 406

SERVICE INFORMATION 00 – 31
Item
Engine Model
4JB1 / 4JB1T / 4JB1TC 4JG2 (G. EXP & EC)
Lubricating system
Lubrication method Pressurized circulation
Specified engine oil (API grade) CC (4JB1)
CD (4JB1T/4JB1TC)
CC
Oil pump type Gear
Oil filter type Disposable cartridge (Spin-on) Paper element
Oil 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))
Oil cooler type Water cooled
Fuel system
Injection pump type Bosch distributor
Governor type Mechanical (Partially variable speed) (For EC Variable speed)
Injection nozzle type Hole Pinttle
Injection nozzle kPa (kg/cm
2
/psi)
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 fuel filter type Cartridge paper element and water separator
Air cleaner type Dry paper element
Generator capacity V-A (W) 12 - 40 (480) and 12 - 50 (600) 12 - 50 (600)
(For EC 12 - 60 (720))
Starter motor output V-kW 12 - 2.0 and 12 - 2.2 12 - 2.2
(For EC 12 - 2.0)
Turbocharger IHI RHB5 (4JB1T)
IHI RHF4 (4JB1TC)