Isuzu 4JB1 User Manual

SERVICE INF
ORMATION 00 – 29
LUBRI
CATION CHART
T
he 4J Series engine lubricating system is a full flow type.
Lubricating oil is pumped from the oil pump to the cylinder body oil gallery through the oil cooler and the oil filter
(replaceable type oil filters have on oil cooler). It is then delivered to the vital parts of the engine from the cylinder
body oil gallery.
4J
B1, 4JB1TC, 4JG2, Oil Filter & Oil Cooler
k
Pa (Kg/cm
2
/ps
i)
!
O
il filter relief valve opening pressure : 559 - 0618 (5.7 - 6.3/81 - 90)
"
O
il cooler safety valve opening pressure : 314 - 373 (3.2 - 3.8/46 - 54)
#
O
il filter safety valve opening pressure : 78 - 118 (0.8 - 1.2/11 - 19)
$
O
il pressure switch opening pressure : 29.4 - 49.0 (0.3 - 0.5/4.3 - 7.1)
Lubu C
hart 5J.tif

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