| Year | 2021 |
| Date | 18-Dec |
| Volume | 226 |
| Issue | 4,654 |
| Page | 12 |
| Category | Stationary Engine |
| Part | 9 |
| Title | Grasshopper Haulage Engine |
| Author | Stewart Hart |
| Notes | Completes his trilogy of stationary engines with a grasshopper haulage engine. 'A' frame assembly, 'A' frame or alternative, the base, frame brace, crank shaft assembly, bed plate |