OPM 260 en-GB
84
©
Scania CV AB 2021, 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 order
1 - 5 - 3 - 6 - 2 - 4
Compression ratio
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
Exhaust valve (mm/in)
0.70/0.028
Number of teeth on the flywheel
158
Low idling speed (rpm)
600
Maximum full-load speed (rpm)
2,100/2,300
Fuel
Diesel
Approximate weight, without coolant and oil (kg/lb)
With heat exchanger
1,285/2,833
With keel cooling
1,180/2,601
Oil volume
See Maintenance
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 D2896)
Oil pressure (bar/psi)
Normal with hot engine and nominal engine speed
3-6/43.5-87
Minimum permitted at idling speed
0.7/10.2
Crankcase pressure (mbar/psi)
-5.4 to 2.0/-0.08 to 0.03