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Engine
Engine
Engine data – OM934
Model
Model designation
No. of cylinders/arrangement
Operating principle
Rated power as per DIN
Max. torque
Rated engine speed
Idle speed
Torque increase
Bore/stroke
Total displacement
Weight, dry
Injection pressure
Compression ratio
Injection nozzles
Valve arrangement
Number of crankshaft bearings
Fan drive
Cold start capability/(Z43)
Engine oil + filter
Cooling system with heater
86
(kW [hp])
(Nm)
(rpm)
(rpm)
(%)
(mm)
(cc)
(kg)
(bar)
(°C)
(l)
(l)
OM934
934.974
4, vertical, in-line
4-stroke diesel direct injection
170 (231)
900
2200
720
22
110/135
5132
510
up to 2400
17.6 : 1
10-hole injection nozzles
2 intake/2 exhaust valves
5
mechanical via propeller shaft; fan speed via electronically
controlled viscous clutch
–15/–26
17.5 max.
36
Technical Manual
Mercedes-Benz Special Trucks
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