| Model Code | Description | |
|---|---|---|
| 01 | 427.110, 427.111, 427.112, 427.115, 427.116, 437.110, 437.111, 437.112, 437.113, 437.120, 437.123, 437.125, 437.130, 437.131, 437.132, 437.135, 437.136 | VENTILATION AND BREATHING OF P.T.O. SHAFT GEARING |
| 02 | 427.110, 427.111, 427.112, 427.115, 427.116, 437.110, 437.111, 437.112, 437.113, 437.120, 437.130, 437.131 | EXHAUST VALVE BRAKE BREATHING |