| Year | 1993 |
| Date | 02-Jul |
| Volume | 171 |
| Issue | 3,948 |
| Page | 28 |
| Category | Road Locomotive |
| Part | 3 |
| Title | Clayton Wagon. (Axles) |
| Author | Bernard Lundberg |
| Notes | More details of the axle, differential gear case cover, other parts, more snippets form the IPC, pump controls |