Introduction
Massey-Harris 102 Junior: Agricultural Tractor Overview
The Massey-Harris 102 Junior is a classic agricultural tractor produced between 1939 and 1946 in Racine, Wisconsin, USA. Developed as the distillate-fueled variant of the 101 Junior model, it was engineered to provide reliable performance for mid-century farming operations.
Engine and Performance
The tractor is powered by a Continental liquid-cooled, vertical L-head 4-cylinder engine with a displacement of 162 cubic inches (2.7 liters). The bore and stroke measure 3.4375 by 4.375 inches. Designed to operate on distillate fuel, the engine produces a claimed 26.3 hp (19.6 kW) at the PTO and 20.5 hp (15.3 kW) at the drawbar, providing sufficient capacity to pull two plows.
Transmission and Mechanical Layout
The 102 Junior utilizes a manual transmission system featuring four forward gears and one reverse gear. It is configured as a two-wheel-drive machine with manual steering. The operator station is of the open type, which was standard for the era, ensuring visibility around the equipment.
Dimensions and Tires
The tractor has a base weight of 3,400 lbs (1,542 kg). It is fitted with agricultural tires, typically using 5.00-15 or 4.75-15 tires on the front axle and 10.00-36 tires on the rear axle to provide the necessary traction for field work.
Conclusion
The Massey-Harris 102 Junior remains a notable example of 1940s tractor design. Given its power output and physical configuration, it served as a versatile utility tractor for small to medium-sized agricultural tasks, and it remains a point of interest for collectors of vintage Massey-Harris machinery today.
Production Information of Massey-Harris, 102 Junior
- Built in Racine, Wisconsin, USA
- The Massey-Harris 102 Junior was the distillate version of the 101 Junior. During early production years, the 102 Jr. had a larger engine than the 101 Jr. so they would have the same horsepower. A 102 gasoline tractor (102G) was a Massey 101 Jr. destined for the export market; the data and serial number would be the same for other 101 Jr tractors.
| Manufacturer | Massey-Harris |
|---|
Dimension and Tires Information of Massey-Harris, 102 Junior
| Weight | 3,400 lbs [1542 kg] |
|---|
| Ag front | 5.00-15 |
|---|---|
| Ag rear | 10.00-36 |
| Ag rear | 10.00-36 |
| Ag front | 4.75-15 |
Engine Specifications of Massey-Harris, 102 Junior
- Continental
- Final engine, introduced around 1942.
- Liquid-cooled vertical L-head
- Distillate
- 4-cylinder
| Bore/Stroke | 3.4375x4.375 inches [87 x 111 mm] |
|---|---|
| Starter volts | 6 |
| Displacement | 162 ci [2.7 L] |
| Starter volts | 6 |
Transmission Information of Massey-Harris, 102 Junior
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 4 forward and 1 reverse |
Mechanical Specs of Massey-Harris, 102 Junior
- Two-wheel drive
- Open operator station.
| Steering | Manual |
|---|
Power Information of Massey-Harris, 102 Junior
| Drawbar (claimed) | 20.5 hp [15.3 kW] |
|---|---|
| PTO (claimed) | 26.3 hp [19.6 kW] |
| Plows | 2 |
Where it sits
With 29 hp[P] HP, the Massey-Harris 102 Junior sits between 82 (28 HP) and 22 (30 HP) in Massey-Harris's range. Its power puts it in the 37th percentile of 1930s models in our database (235 machines).
Frequently asked questions
How much horsepower does the Massey-Harris 102 Junior have?
The Massey-Harris 102 Junior delivers 29 hp[P] HP.
What years was the Massey-Harris 102 Junior produced?
The Massey-Harris 102 Junior was produced in 1939-1946.
What engine does the Massey-Harris 102 Junior have?
The Massey-Harris 102 Junior is powered by a 4-cylinder engine.
What transmission does the Massey-Harris 102 Junior use?
The Massey-Harris 102 Junior uses a Gear transmission.
How much does the Massey-Harris 102 Junior weigh?
The Massey-Harris 102 Junior weighs 3,400 lbs [1542 kg].
Is the Massey-Harris 102 Junior 4WD?
The Massey-Harris 102 Junior is available in 2WD.