1941 - 1946
| 1941 - 1946 |
| Row-Crop tractor |
Series:
| Series: | 81 |
| 20 ↓ |
1946 - 1948
| 1946 - 1948 |
| Row-Crop tractor |
Production
| Production |
| Manufacturer: | Massey-Harris
|
| Type: | Row-Crop tractor
|
| Factory: | Racine, Wisconsin, USA
|
| Original price: | $1,500 (1948)
|
Variants
| Variants |
| 20 RC: | row-crop
|
| 20 STD: | standard tread
|
Massey-Harris 20 Power
| Massey-Harris 20 Power |
| Belt (claimed): | 31 hp
23.1 kW
|
| Plows: | 2
|
Massey-Harris 20 Engines
| Massey-Harris 20 Engines |
| Continental 2.0L 4-cyl gasoline |
| Continental 2.3L 4-cyl kerosene |
| Engine details ... |
Mechanical
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| Cab: | Open operator station.
|
| Transmission: | 4-speed gear
|
| Transmission details ... |
Power Take-off (PTO)
| Power Take-off (PTO) |
| Rear RPM: | 550
|
Dimensions & Tires
| Dimensions & Tires |
| Wheelbase: | 83 inches
210 cm
|
| Weight: | 2,700 lbs
1224 kg
|
| Front tire: | 4.00x15
|
| Rear tire: | 9.00x32
|
| Full dimensions and tires ... |
20 Serial Numbers
| 20 Serial Numbers |
| 1946: | 1001 (gas)
|
| 1947: | 1580 (gas)
|
| 1948: | 3584 (gas)
|
| 1947: | 1001 (kerosene)
|
| 1948: | 1354 (kerosene)
|
how to read serial numbers...
|
Production
| Production |
| Manufacturer: | Massey-Harris
|
| Type: | Row-Crop tractor
|
| Original price: | $1,121 (1946)
|
Variants
| Variants |
| 81R: | row-crop gasoline
|
| 81S: | standard gasoline
|
| 82: | distillate
|
1941 - 1946
| 1941 - 1946 |
| Row-Crop tractor |
Series:
Production
| Production |
| Manufacturer: | Massey-Harris
|
| Type: | Row-Crop tractor
|
| Original price: | $1,121 (1946)
|
Variants
| Variants |
| 81R: | row-crop gasoline
|
| 81S: | standard gasoline
|
| 82: | distillate
|
Massey-Harris 81 Power
| Massey-Harris 81 Power |
| Drawbar (claimed): | 16 hp
11.9 kW
|
| PTO (claimed): | 26 hp
19.4 kW
|
| Drawbar (tested): | 20.79 hp
15.5 kW
|
| Belt (tested): | 27.07 hp
20.2 kW
|
| power test details ... |
Massey-Harris 81 Engine
| Massey-Harris 81 Engine |
| Continential 2.0L 4-cyl gasoline |
| Fuel tank: | 12 gal
45.4 L
|
| Engine details ... |
Mechanical
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| Cab: | Open operator station.
|
| Transmission: | 4-speed unsynchronized gear
|
| Transmission details ... |
Dimensions & Tires
| Dimensions & Tires |
| Weight: | 2,895 lbs
1313 kg
|
| Front tire: | 4.00x15
|
| Rear tire: | 9.00x32
|
| Full dimensions and tires ... |
81 Serial Numbers
| 81 Serial Numbers |
| Location: | Left side of tractor frame.
|
photo of 81 serial number
|
| 1941: | 400001
|
| 1942: | 403168
|
| 1943: | ------
|
| 1944: | 403354
|
| 1945: | 403364
|
| 1946: | 404664
|
| Final: | 406601
|
how to read serial numbers...
|
Massey-Harris 81 Power
| Massey-Harris 81 Power |
| Drawbar (claimed): | 16 hp
11.9 kW
|
| PTO (claimed): | 26 hp
19.4 kW
|
| Drawbar (tested): | 20.79 hp
15.5 kW
|
| Belt (tested): | 27.07 hp
20.2 kW
|
| power test details ... |
1941 - 1946
| 1941 - 1946 |
| Row-Crop tractor |
Series:
Nebraska Tractor Test 376
| Nebraska Tractor Test 376 |
| |
Nebraska Tractor Test 376
| Nebraska Tractor Test 376 |
Gasoline 4-speed 2WD
September 29 - October 20, 1941
Link: Nebraska Tractor Test 376 file |
| Belt power (max): | 27.07 hp
20.2 kW
|
| Belt fuel use (max): | 2.5 gal/hour
9.5 l/hour
|
| Drawbar performance |
| Max power: | 20.79 hp
15.5 kW
|
| Gear 3 used for power test. |
| Max pull: | 2,898 lbs
1314 kg
|
| Gear 1 used for pull test. |
Massey-Harris 81 Engine
| Massey-Harris 81 Engine |
| Continential 2.0L 4-cyl gasoline |
| Fuel tank: | 12 gal
45.4 L
|
| Engine details ... |
1941 - 1946
| 1941 - 1946 |
| Row-Crop tractor |
Series:
Engine Detail
| Engine Detail |
| Continential F124 |
| gasoline |
| 4-cylinder |
| liquid-cooled vertical L-head |
| Displacement: | 123.7 ci
2.0 L
|
| Bore/Stroke: | 3.00x4.375 inches
76 x 111 mm
|
| Fuel system: | Marvel-Schebler TSX-28 carburetor
|
| Rated RPM: | 1500
|
| Starter volts: | 6
|
| Coolant capacity: | 11 qts
10.4 L
|
Mechanical
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| Cab: | Open operator station.
|
| Transmission: | 4-speed unsynchronized gear
|
| Transmission details ... |
1941 - 1946
| 1941 - 1946 |
| Row-Crop tractor |
Series:
Transmission
| Transmission |
| Type: | unsynchronized gear
|
| Gears: | 4 forward and 1 reverse
|
| Clutch: | dry disc
|
Speeds
Dimensions & Tires
| Dimensions & Tires |
| Weight: | 2,895 lbs
1313 kg
|
| Front tire: | 4.00x15
|
| Rear tire: | 9.00x32
|
| Full dimensions and tires ... |
1941 - 1946
| 1941 - 1946 |
| Row-Crop tractor |
Series:
Massey-Harris 81 Tires
| Massey-Harris 81 Tires |
| Ag front: | 4.00x15
|
| Ag rear: | 9.00x32
|
Dimensions
| Dimensions |
| Length: | 119 inches
302 cm
|
| Height: | 58 inches
147 cm
|
| Weight: | 2,895 lbs
1313 kg
|
81 Serial Numbers
| 81 Serial Numbers |
| Location: | Left side of tractor frame.
|
photo of 81 serial number
|
| 1941: | 400001
|
| 1942: | 403168
|
| 1943: | ------
|
| 1944: | 403354
|
| 1945: | 403364
|
| 1946: | 404664
|
| Final: | 406601
|
how to read serial numbers...
|
