| Test Value for Connecting Rod | Engine 137.970 | Engine 275, 285 |
| Distance from middle of conrod bearing bore up to conrod bush bore | 144.45-144.55 mm | 144.45-144.55 mm |
| Width of conrod at conrod bearing bore | 18.548-18.600 mm | 18.548-18.600 mm |
| Conrod bearing shell basic bore | 49.600-49.614 mm | 49.600-49.614 mm |
| Permissible out of roundness and conicity of basic bore | 0.02 mm | 0.02 mm |
| Permissible twist and conrod bearing bore to conrod bush bore over a length of 100 mm | 0.1 mm | 0.1 mm |
| Permissible difference of axial parallelism of conrod bearing bore to conrod bush bore | 0.045 mm | 0.045 mm |
| Conrod bush inner diameter | 19.007-19.013 mm | 19.007-19.013 mm |
| Conrod bush basic bore | 21.500-21.521 mm | 22.500-22.521 mm |
| Piston pin play in conrod bush | 0.007-0.013 mm | 0.007-0.013 mm |
| Peak to valley height of conrod bush on inside | 5 mm | 5 mm |
| Conrod bush outer diameter | 21.545-21.585 mm | 22.550-22.590 mm |
| Conrod bolt thread | 7X1 M | 7X1 M |