SHAFT GP- 3553848 - Caterpillar

Grinding Specifications for Crankshafts
The following information explains some of the items in the table.Width
This is the size of the wheel (sidewall to sidewall) that is necessary to grind in a single movement. Do not use any wheel that is wider than this dimension without dressing the wheel to be narrower. Refer to Table 4 for the measurements of the width of main journals at the location of the thrust bearing.Main Number
This column shows the numbers of the main journals which have a "width" dimension that is different from the "thrust face" journal at the location of the thrust bearing. These dimensions will be narrower than the main journal with the thrust bearings.Undersize Bearing
These dimensions give the optional sizes of undersize bearings that are available for the crankshafts. Check the parts book and check the NPR in order to ensure that the part numbers are available before beginning to grind. Subtract the "undersize" dimension from the dimension in the "diameter" column in Table 4 in order to get the size of the journal.Note: The specifications for grinding a crankshaft with a "0R" part number are not included in this publication because "0R" crankshafts have already been ground. For a complete list of available remanufactured crankshafts, refer to the section on crankshafts in the Technical Supplement, SELD0077, "Cat Remanufactured Products Guide".
Table 5
Grinding Specifications for Caterpillar Crankshafts    
Part Number    Stroke    Main Journals
Width
Main No.    Connecting Rod Journals
Width    Undersize Bearing    
3606
C280-6
280.0 mm (11.02 inch)    
179-3573
159-5216
7C-7973    
300.0 mm
(11.81 inch)    
120 0.5 mm
(4.72 0.020 inch)     2,3,4,5,6    
110.00 0.10 mm
(4.331 0.004 inch)    
0.25 mm
(0.010 inch)    
0.50 mm
(0.020 inch)    
1.00 mm
(0.040 inch)    
3608
C280-8
280.0 mm (11.02 inch)    
325-8461
325-8462
193-5845
7C-7974    
300.0 mm
(11.81 inch)    
120 0.5 mm
(4.72 0.020 inch)     2,3,4,5,6,7,8    
110.00 0.10 mm
(4.331 0.004 inch)    
0.25 mm
(0.010 inch)    
0.50 mm
(0.020 inch)    
1.00 mm
(0.040 inch)    
3612
C280-12
280.0 mm (11.02 inch)    
191-5424
7C-7975
361-8849    
300.0 mm
(11.81 inch)    
120 0.5 mm
(4.72 0.020 inch)     2,3,4,5,6    
194.00 0.10 mm
(7.638 0.004 inch)    
0.25 mm
(0.010 inch)    
0.50 mm
(0.020 inch)    
1.00 mm
(0.040 inch)    
3616
C280-16
280.0 mm (11.02 inch)    
189-2499
134-3043
7C-7976
361-8851    
300.0 mm
(11.81 inch)    
124.00 mm
(4.882 inch) max     2,3,4,5,6,7,8    
194.00 0.10 mm
(7.638 0.004 inch)    
0.25 mm
(0.010 inch)    
0.50 mm
(0.020 inch)    
1.00 mm
(0.040 inch)    
3618
280.0 mm (11.02 inch)    
137-0140    
300.0 mm
(11.81 inch)    
132 0.5 mm
(5.20 0.020 inch)     All Main Journals    
208.00 0.10 mm
(8.189 0.004 inch)    
0.25 mm
(0.010 inch)    
0.50 mm
(0.020 inch)    
1.00 mm
(0.040 inch)