Massey-Harris 101 Junior Specs ( 1939-1946 )
Production
| Description | Row-Crop tractor / Built in Racine, Wisconsin, USA / Massey Harris model 101 Junior gasoline tractors that were destined for the export market were marked as a "102G". |
|---|---|
| Manufacturer | Massey-Harris |
Engine
| Air cleaner | oil bath / oil bath |
|---|---|
| Bore/Stroke | 3.00x4.375 inches (76 x 111 mm) / 3.1875x4.375 inches (81 x 111 mm) / 3.4375x4.375 inches (87 x 111 mm) |
| Compression | 6.7:1 |
| Coolant capacity | 11 qts (10.4 L) |
| Description | Continental / gasoline / 4-cylinder / liquid-cooled vertical L-head / Original engine, used until 1940. / Continental MFA / gasoline / 4-cylinder / liquid-cooled vertical L-head / Larger engine, used from 1940 to 1943. / Continental / gasoline / 4-cylinder / liquid-cooled vertical L-head / Final engine, used from 1943 to 1946. |
| Displacement | 123.7 ci (2.0 L) / 139.6 ci (2.3 L) / 162 ci (2.7 L) |
| Rated RPM | 1500 / 1800 |
| Starter volts | 6 / 6 |
| Engine type | Continental 2.0L 4-cyl gasoline / Continental 2.3L 4-cyl gasoline / Continental 2.7L 4-cyl gasoline |
| Engine type | 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) |
| Belt (tested) | 30.56 hp (22.8 kW) |
| Drawbar (claimed) | 20.5 hp (15.3 kW) |
| Drawbar (tested) | 24.65 hp (18.4 kW) |
| Plows | 2 |
| PTO (claimed) | 26.3 hp (19.6 kW) |
Transmission
| Gears | 4 forward and 1 reverse |
|---|---|
| Transmission type | 4-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
PTO
| Rear PTO Type | 540 (1.375) |
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Dimensions & Tires
| Rear tread | 52 to 88 inches (row-crop) (132 to 223 cm) / 52 inches (standard) (132 cm) |
|---|---|
| Weight | 3400 lbs (1542 kg) |
| Wheelbase | 83.5 inches (row-crop) (212 cm) |
| Front tire | 5.00-15 |
| Rear tire | 10.00-36 |
| Weight | 3400 lbs (1542 kg) |
| Wheelbase | 83.5 inches (row-crop) (212 cm) |
| Ag front | 5.00-15 / 4.75-15 |
| Ag rear | 10.00-36 / 10.00-36 |
101 Junior Serial Numbers
| 1939 | 375001 (row-crop) / 377001 |
|---|---|
| 1940 | 376158 (row-crop) / 377928 |
| 1941 | 395570 (row-crop) / 379550 |
| 1942 | 397637 (row-crop) / 379815 |
| 1943 | 398596 (row-crop) / 379855 |
| 1944 | 500003 (row-crop) / 380641 |
| 1945 | 502434 (row-crop) / 382569 |
| 1946 | 503779 (row-crop) / 384298 |
| Description | FAQ: How to read a serial number table. |
| Location: | On frame, rear-left side near transmission case |
Belt Pulley
| Diameter | 13 inches (33 cm) |
|---|---|
| RPM | 837 |
| Speed | 2958 ft/min (901.60 meters/min) |
| Width | 6 inches (15 cm) |
Nebraska Tractor Test
| Belt fuel use (max) | 2.6 gal/hour (9.8 l/hour) |
|---|---|
| Belt power (max) | 30.56 hp (22.8 kW) |
| Description | 140 gasoline 4-speed 2WDOctober 7 - 12, 1940Link: Nebraska Tractor Test file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 24.65 hp (18.4 kW) |
| Max pull | 3,278 lbs (1486 kg) |
Nebraska Tractor Test 318
| Belt fuel use (max) | 2.4 gal/hour (9.1 l/hour) |
|---|---|
| Belt power (max) | 26.27 hp (19.6 kW) |
| Description | 124 gasoline 4-speed 2WDMay 22 - 26, 1939Link: Nebraska Tractor Test 318 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 20.47 hp (15.3 kW) |
| Max pull | 3,079 lbs (1396 kg) |
References
| Description | 101-Jr Tractor published in 1941, by Massey-Harris |
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Variants
| 101 Junior | gasoline |
|---|---|
| 102 Junior | distillate |