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Crankshaft machining dimensions and identifications - RA03001043190X(03-3190)

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CRANKSHAFT MACHINING DIMENSIONS AND IDENTIFICATIONS, RADIAL MOUNTING (1)

Machining stage (2) Crankshaft bearing journal Ø Colored identification on counterweight Laser lettering on front of crankshaft  
Standard 57.960-57.965 blue B  
Standard 57.955-57.960 yellow G  
Standard 57.950-57.955 red R  
Standard 1 57.945-57.950 white W  
Standard 1 57.940-57.945 purple V  
Rep. 1 57.705-57.715 - -  
Rep. 2 57.450-57.465 - -  
Rep. 3 57.205-57.215 - -  
Rep. 4 56.955-56.965 - -  
(1) New crankshafts are identified before shipping from the factory with the tolerance classification of the crankshaft bearing journal Ø and fit bearing width either with a colored identification on the counterweights or with laser lettering on the front of the crankshaft journal.

(2) Standard size 1 and repair size crankshafts are not supplied as replacement parts except in reconditioned engines.
CRANKSHAFT MACHINING DIMENSIONS AND IDENTIFICATIONS, AXIAL MOUNTING (1)

Machining stage (2) Fit bearing width (3) Colored identification on counterweight 8 and 9 Laser lettering on front of crankshaft  
Standard 24.500-24.533 none 0  
Standard 24.500-24.533 none 0  
Standard 24.500-24.533 none 0  
Standard 1 24.600-24.633 red 1  
Standard 2 24.600-24.633 red 1  
Rep. 1 24.700-24.733 - -  
Rep. 2 24.900-24.933 - -  
Rep. 3 25.000-25.033 - -  
Rep. 4 - - -  
(1) New crankshafts are identified before shipping from the factory with the tolerance classification of the crankshaft bearing journal Ø and fit bearing width either with a colored identification on the counterweights or with laser lettering on the front of the crankshaft journal.

(2) Standard size 1 and repair size crankshafts are not supplied as replacement parts except in reconditioned engines.
(3) The thrust washers for axial bearing play are supplied in thicknesses of 2.15, 2.20, 2.25, 2.35 and 2.40 mm, each with a thrust washer for the crankcase and the thrust washer for the bearing cap as a parts kit (2 in total).

Laser lettering on front of crankshaft

Fig 1: Identifying Laser Lettering On Front Of Crankshaft
G04677078Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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