Mercedes-Benz 603 Service Manual page 189

Modifications to crankshaft
Increased displace-
ment engine 603.970
The stroke was in-
creased to 94.2 mm and
the web width (b)
reduced to 21.75 mm to
increase the
displacement (3.5 I) on
the 603.970 engines.
Engine 602.96 crankshaft webs
On engine 602.96 starting 12187 the web width
(D) was increased by 8 mm for a total of 90 mm.
D 90 mm (engine 602.961)
03.10 - 321/l
EXIT