C78 ENT M50OVERVIEW
10
FEBRUARY 2003 EDITION
Model C 78 ENT M50
Cycle 4-Stroke Diesel
Charge Supercharged and intercooled
Injection Direct
Number of cylinders 6 in line
Bore mm 115
Stroke mm 125
Total displacement cm
3
7790
Compression ratio 16 ± 0,8 : 1
Direction of rotation, flywheel side counterclockwise
Minimum idling rpm rpm 600 ± 25
Maximum engine rpm, no load rpm 2800 ± 25
Engine inclination in continuous operation
Maximum longitudinal angle (static) min / max degrees/360 + 4 / + 10
Maximum longitudinal angle (static + dynamic) degrees/360 + 20
Maximum transverse angle (static + dynamic) degrees/360 ± 22,5
Oil dipstick valid for static inclination degrees/360 ± 10
Supercharge
Turbo-charger with water-cooled body KKK K31
Pressure regulation with waste-gate
Waste-gate maximum opening pressure bar 2,5 ± 0,1
Lubrication
Oil type SAE 15 W40/E 3
Oil compliant with specifications ACEA E3 / API CF4 / MIL L2104E/F
Total oil capacity on first filling liters (kg) 31 (28)
Total oil capacity with sump at minimum level liters (kg) 18 (16,3)
Total oil capacity with sump at top level liters (kg) 25 (22,7)
Oil pressure, warm engine, minimum idling rpm bar ≥ 1,5
Oil pressure, warm engine, maximum rpm bar ≥ 5
Maximum allowed temperature °C 105
Oil dipstick valid for static inclination degrees/360 ± 10
Fuel supply
Fuel oil compliant with standard EN 590
Low pressure transfer pump gear pump
Flow rate at maximum rpm kg/h 88
Fuel return flow rate to tank kg/h ≤ 12
Filtering: pre filter µm 36,5
Filtering: filter µm 5
GENERAL SPECIFICATIONS