| Model Code | Description | |
|---|---|---|
| 01 | 658.416, 658.418, 658.419 | LATERAL EXHAUST; REAR AIR INTAKE |
| 02 | 658.416, 658.418, 658.419 | UPWARD EXHAUST BEHIND CAB; REAR AIR INTAKE |
| 03 | 658.416, 658.418, 658.419 | LATERAL EXHAUST; FRONT AIR INTAKE |
| 04 | 658.416, 658.418, 658.419 | UPWARD EXHAUST BEHIND CAB; FRONT AIR INTAKE |
| 05 | 658.416, 658.418, 658.419 | LATERAL EXHAUST; TANDEM AIR CLEANER |
| 06 | 658.416, 658.418, 658.419 | UPWARD EXHAUST BEHIND CAB; TANDEM AIR CLEANER |