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|Engine Code:||BJ493Q ( 4JB1T)||Displacement:||2.77l|
ABOUT THE ENGINE
The 4JB1 is a 4-cylinder 2.8 L (2,771 cc) 93 mm bore, 102 mm stroke naturally aspirated
watercooled OHV In-line direct injection diesel engine. It uses gear type oil pump and Bosch
"A" Type mechanical injection. It has a dry weight of 230 kg. It was used in the Isuzu Bighorn
(Trooper), Mu (Rodeo), Wizard (LWB Rodeo), Rodeo Pickup and Holden Jackaroo sold in
most world markets aside from North America until the early 1990s. Stock power was 87 PS
(64 kW) in the 1989 Isuzu Trooper. This motor was also installed in Isuzu Elf and other light trucks.
The 4JB1-T is a turbocharged version of the 4JB1. It was intercooled in some applications.
Power levels ranged between 100 and 115 PS (74 and 85 kW) depending on specifications.
Numerous versions of the Isuzu 4JB1 remain in production in China, both by Isuzu's Chinese joint ventures
and innumerable other manufacturers like YANGZI. Upgrades to common-rail direct injection to bring
emissions up to National 4 standards and even 16V DOHC valve-trains are also in production.