Actuator Fault Diagnosis with Application to a Diesel Engine Testbed

Table 3

Caterpillar 3126B engine characteristics.

Description
Model	Caterpillar 3126B
Type of engine	Inline, 4-stroke
Number of cylinders	6
Number of inlet valves	2
Number of exhaust valves	1
Firing order	1-5-3-6-2-4
Type of combustion	Direct injection
Maximum torque	1166 Nm @ 1440 rpm
Maximum power	224 kw @ 2200 rpm
Idle speed	700 rpm
Maximum speed	2640 rpm
Geometrical characteristics
Bore	110 mm
Stroke	127 mm
Compression ratio	16
Total displacement	7.25 liter
Connecting rod length	199.9 mm
Crank throw radius	63.5 mm
Injection system
Type	HEUI
Injection pressure	200–145 bar
Injection orifices number	6
Type of combustion	Direct injection
Geometrical characteristics of manifolds and pipes
Intake manifold	5 L
Exhaust manifold	0.945 L