OPM 250 en-GB 75
©
Scania CV AB 2016, Sweden
Technical data
Technical data
General data
Lubrication system
Number of cylinders and configuration 6, straight
Working principle 4-stroke engine
Cylinder diameter (mm/in) 130/5.12
Piston stroke (mm/in) 160/6.3
Displacement (dm
3
/in
3
)
12.7/775.0
Firing sequence 1 - 5 - 3 - 6 - 2 - 4
Compression ratio
DI13 070//071/072/073/077/078M 16.3:1
DI13 080/081/082M 17.3:1
Engine direction of rotation viewed from rear Anti-clockwise
Fan direction of rotation viewed from front Clockwise
Cooling Coolant
Valve clearances, cold engine
Intake valve (mm/in) 0.45/0.018
Outlet valve (mm/in) 0.70/0.028
Number of teeth on the flywheel 158
Low idling speed (rpm) 600-750
Maximum full-load speed (rpm) 2,300
Fuel Diesel
Approximate weight, without coolant and oil (kg/lb)
With heat exchanger 1,190/2,624
With keel cooling 1,140/2,513
Without heat exchanger and liquid-cooled charge air cooler 1,123/2,476
Oil volume See Inspection
Oil cleaning Centrifugal oil cleaning
Oil cooler Coolant cooled, full
flow
Oil filter Paper filter, full flow
Interval between oil changes (h) 500
Oil grade
Engines run on low-sulphur fuel ACEA E5 or E7
Engines not run on low-sulphur fuel Total Base Number
(TBN) > 12
(ASTM 2896)
Oil pressure (bar)
Normal with the engine at operating temperature, operating speed 3-6
Minimum permitted at idling speed 0.7
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