Introduction
Massey-Harris 33 Row-Crop Tractor
The Massey-Harris 33 is a row-crop tractor produced between 1952 and 1955. Designed for mid-century agricultural operations, this model served as a versatile utility tractor, balancing mechanical simplicity with the necessary power for fieldwork of its era.
Engine and Performance
The tractor is powered by a 4-cylinder Continental diesel engine with a displacement of 201 cubic inches (3.3 liters). It features liquid cooling and a compression ratio of 15:1. The engine is rated at 1500 RPM, delivering 40 horsepower to handle standard agricultural implements. The intake system utilizes an oil bath air cleaner to ensure engine longevity in dusty field conditions.
Transmission and Drivetrain
Power is transferred through a manual transmission offering 5 forward gears and 1 reverse gear. The drivetrain includes a 254 mm mechanical dry disc clutch, providing direct control over power delivery. The tractor is configured as a two-wheel-drive unit, relying on manual steering for operator input.
Hydraulics and PTO
The Massey-Harris 33 is equipped with a rear power take-off (PTO) operating at 540 RPM. This standardized speed is achieved when the engine is running at its rated 1500 RPM, allowing for the operation of various period-appropriate implements.
Dimensions and Chassis
The tractor features a wheelbase of 100.6 inches (255 cm) and an operating weight of 5,191 lbs (2,354 kg), which can be increased to 7,007 lbs (3,178 kg) with ballast. The rear tread is adjustable between 52.75 and 88.625 inches, facilitating work across different row-crop spacings. The open operator station provides direct access to manual controls.
Conclusion
With its robust Continental engine and adaptable rear tread, the Massey-Harris 33 was engineered for reliability in row-crop farming. It remains a notable example of 1950s agricultural machinery, suitable for restoration or light-duty tasks on vintage-focused farms.
Production Information of Massey-Harris, 33
- Row-Crop tractor
- Original price was $2,550 in 1955
| Manufacturer | Massey-Harris |
|---|
Dimension and Tires Information of Massey-Harris, 33
| Wheelbase | 100.6 inches [255 cm] |
|---|---|
| Rear tread | 52.75 to 88.625 inches [133 to 225 cm] |
| Tricycle to inches 21 to 0 cm Front tread | 8.5 |
| Operating weight | 5191 lbs [2354 kg] |
| Ballasted weight | 7007 lbs [3178 kg] |
| Ag front | 5.50-16 |
|---|---|
| Ag front(optional) | 13-28 |
| Ag rear | 12-28 |
| Ag rear | 11-38 |
| Ag rear(optional) | 12-38 |
| Ag front | 9.00x10 |
Engine Specifications of Massey-Harris, 33
- Continental
- Liquid-cooled
- Diesel
- 4-cylinder
| Coolant capacity | 18 qts [17.0 L] |
|---|---|
| Displacement | 201 ci [3.3 L] |
| Compression | 15:1 |
| Bore/Stroke | 3.625x4.875 inches [92 x 124 mm] |
| Coolant capacity | 18 qts [17.0 L] |
| Oil capacity | 8 qts [7.6 L] |
| Rated RPM | 1500 |
| Air cleaner | Oil bath |
Transmission Information of Massey-Harris, 33
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 5 forward and 1 reverse |
| Clutch | 254mm mechanical dry disc |
Mechanical Specs of Massey-Harris, 33
- Two-wheel drive
- Manual steering
- Open operator station
Power Information of Massey-Harris, 33
| Rear PTO Type | 540 |
|---|---|
| Engine RPM | 551@1500 |
Where it sits
With 40 hp[P] HP, the Massey-Harris 33 sits between 30 (36 HP) and 333 (41 HP) in Massey-Harris's range. Its power puts it in the 55th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Massey-Harris 33 have?
The Massey-Harris 33 delivers 40 hp[P] HP.
What years was the Massey-Harris 33 produced?
The Massey-Harris 33 was produced in 1952-1955.
What engine does the Massey-Harris 33 have?
The Massey-Harris 33 is powered by a Diesel, 4-cylinder engine.
What transmission does the Massey-Harris 33 use?
The Massey-Harris 33 uses a Gear transmission.
How much does the Massey-Harris 33 weigh?
The Massey-Harris 33 weighs 5191 lbs [2354 kg].
Is the Massey-Harris 33 4WD?
The Massey-Harris 33 is available in 2WD.