| Year | 2024 |
| Date | 08-Mar |
| Volume | 232 |
| Issue | 4,738 |
| Page | 388 |
| Category | Agricultural |
| Part | 5 |
| Title | 1934 McDonald Tractor - A working one-fourth scale model |
| Author | George Punter |
| Notes | Is drawn to another tractor project. Engine pattern and core box, sand blocks and cores, cylinder liner, piston and connecting rod assembly, air intake casting, chain drive, clutch 3D diagram, pulley/clutch assembly, injector pump |