Engine Specifications
0---3
ENGINE SPECIFICATIONS
Engine type
320D 320DS
420D 420DS 420DW 420DWI
620D
620DS
634DS
Number of cylinders
3
3
4
4
4
4
6
6
6
Displacement (dm
3
)
3,3
3,3
4,4
4,4
4,4
4,4
6,6
6,6
7,4
Cylinder bore (mm)
108
108
108
108
108
108
108
108
108
Stroke (mm)
120
120
120
120
120
120
120
120
134
Compression ratio
16,5/18,5:1
Combustion
direct injection
Firing order
1---2---3
1---2---4---3
1---5---3---6---2---4
Compression pressure bar
1
24
Weight kg
2
275
280
335
340
340
345
500
510
515
Direction of rotation
from the engine front
clockwise
1
) Minimum value at operating temperature and starting revs. Max permitted difference between cylinders 3,0 bar.
2
) Without flywheel and electrical equipment.
LIFTING THE ENGINE
Safe lifting of the engine is done with a lifting device where
the lifting force effects the lifting ears vertically.
A = Engine lifting ears
Engine weight: see Engine Specifications
LOCATION OF THE ENGINE SERIAL NO.
20--- 1
20--- 4
A
A
20--- 5