Con-Rod Bearing
Due to the high stress factors, the upper con-rod bearing shells in all DTH engines are designed as sintered bearings (multi-layer bearing).
- Code number
- Colour code
As confusion can arise during installation, the individual recognition features are listed in the following table:
| Engine | X 20 DTL | X 20 DTH, X 22 DTH | ||
|---|---|---|---|---|
| Colour | Code | Colour | Code | |
| Standard size | - | GM 42/957 N | green | GM 199/118 N |
| Undersize (0.25) | blue | GM 42/958 A | blue/green | GM 199/119 A |
| Undersize (0.50) | violet | GM 42/116 B | violet/green | GM 199/120 B |