Specifications
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| Model information | |
| Production years | 1939 - 1946 |
| Equipment type | Row-Crop tractor |
| Production | |
| Manufacturer | Massey-Harris |
| Equipment type | Row-Crop tractor |
| Built in | Built in Racine, Wisconsin, USA |
| Notes | Massey Harris model 101 Junior gasoline tractors that were destined for the export market were marked as a "102G". |
| Variants | |
| 101 Junior | gasoline |
| 102 Junior | distillate |
| Massey-Harris 101 Junior Engines | |
| Engine | Continental 2.0L 4-cyl gasoline Continental 2.3L 4-cyl gasoline Continental 2.7L 4-cyl gasoline |
| Fuel tank | 10 gal 37.9 L |
| Details | Engine details ... |
| Massey-Harris 101 Junior Transmission | |
| Transmission | 4-speed gear |
| Details | Transmission details ... |
| Massey-Harris 101 Junior Power | |
| Drawbar (claimed) | 20.5 hp 15.3 kW |
| PTO (claimed) | 26.3 hp 19.6 kW |
| Plows | 2 |
| Drawbar (tested) | 24.65 hp 18.4 kW |
| Belt (tested) | 30.56 hp 22.8 kW |
| Details | Performance test details ... |
| Mechanical | |
| Drive | Two-wheel drive |
| Steering | Manual steering |
| Cab / ROPS | Open operator station. |
| Power Take-off (PTO) | |
| Rear PTO Type | 540 (1.375) |
| Dimensions & Tires | |
| Wheelbase | 83.5 inches (row-crop) 212 cm 78 inches (standard) 198 cm |
| Weight | 3400 lbs 1542 kg |
| Front tire | 5.00-15 |
| Rear tire | 10.00-36 |
| Details | Full dimensions and tires ... |
| 101 Junior Serial Numbers | |
| Location: | On frame, rear-left side near transmission case |
| 1939 | 375001 (row-crop) |
| 1940 | 376158 (row-crop) |
| 1941 | 395570 (row-crop) |
| 1942 | 397637 (row-crop) |
| 1943 | 398596 (row-crop) |
| 1944 | 500003 (row-crop) |
| 1945 | 502434 (row-crop) |
| 1946 | 503779 (row-crop) |
| 1939 | 377001 |
| 1940 | 377928 |
| 1941 | 379550 |
| 1942 | 379815 |
| 1943 | 379855 |
| 1944 | 380641 |
| 1945 | 382569 |
| 1946 | 384298 |
| Details | FAQ: How to read a serial number table. |
| Belt Pulley | |
| Diameter | 13 inches 33 cm |
| Width | 6 inches 15 cm |
| RPM | 837 |
| Speed | 2958 ft/min 901.60 meters/min |
| References | |
| Publication | 101-Jr Tractor published in 1941, by Massey-Harris |
Values may vary by engine, transmission or configuration. View source page
Model family
Series map
- 101 Junior Current model29.2 hp*
*Estimated engine power for comparison only.