Crankshaft Data Location
| ITEM | DESCRIPTION |
|---|---|
| 1 | Pin journal classification and plant identification |
| 2 | Main journal classification |
| 3 | Date and time codes |
The main bearings are numbered 1 to 5 starting from the front of the engine. There are five grades of main bearing available, each being color coded. Journal sizes are marked on the rear of the crankshaft. For additional information, refer to: Crankshaft Main Bearing Journal Clearance