| Manufacturer |
Massey-Harris |
| Price |
3,000(USD) |
| Model |
333 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Racine, Wisconsin, USA |
NEBRASKA TRACTOR TEST 577 2
| Description |
Diesel 10-speed 2WD June 8 - 13, 1956 Link: Nebraska Tractor Test 577 file Drawbar performance Gear 3-Hi used for power test. Gear 1-Low used for pull test |
| Belt power (max) |
37.15hp / 27.7kW |
| Belt fuel use (max) |
2.6gal/hour / 9.8l/hour |
| Max power |
33.34hp / 24.9kW |
| Max pull |
5,262lbs / 2386kg |
NEBRASKA TRACTOR TEST 603 2
| Description |
Gasoline 10-speed 2WD October 25 - November 3, 1956 Link: Nebraska Tractor Test 603 file Drawbar performance Gear 3-Hi used for power test. Gear 1-Hi used for pull test |
| Belt power (max) |
41.89hp / 31.2kW |
| Belt fuel use (max) |
3.6gal/hour / 13.6l/hour |
| Max power |
37.26hp / 27.8kW |
| Max pull |
5,423lbs / 2459kg |
MASSEY-HARRIS 333 POWER
| Drawbar (claimed) |
27hp / 20.1kW |
| PTO (claimed) |
37hp / 27.6kW |
| Drawbar (tested) |
37.26hp / 27.8kW |
| Belt (tested) |
41.89hp / 31.2kW |
ENGINES OVERVIEW
The Massey-Harris 333 tractor is powered by either a Continental 3.4L 4-cylinder gasoline engine or a more fuel-efficient diesel variant of the same displacement, providing versatility in fuel choice. The gasoline engine generally offers higher RPM and quicker throttle response, making it suitable for lighter fieldwork, while the diesel option provides better torque for heavy-duty tasks and improved fuel economy. Challenges may include finding parts due to its age and ensuring proper maintenance to maximize the longevity of the engine.
| Description |
Continental 3.4L 4-cyl gasoline Continental 3.4L 4-cyl diesel |
ENGINE DETAIL 1
The Massey-Harris 333, powered by a Continental E-208 engine, features a relatively low compression ratio of 7.15:1 which allows for reliable operation on low-octane fuel but may limit horsepower efficiency. With a displacement of 3.4L and rated at 1500 RPM, it delivers adequate torque for agricultural tasks, making it suitable for moderate fieldwork. However, its oil bath air cleaner may require more maintenance compared to dry systems, impacting operational efficiency in dusty conditions.
| Description |
Continental E-208/gasoline 4-cylinder liquid-cooled vertical I-head |
| Displacement |
208ci / 3.4L |
| Bore/Stroke |
3.6875x4.875inches / 94x 124 mm |
| Air cleaner |
oil bath |
| Compression |
7.15:1 |
| Rated RPM |
1500 |
| Starter volts |
12 |
| Coolant capacity |
17.33qts / 16.4L |
ENGINE DETAIL 2
The Massey-Harris 333 features a Continental ED-208 diesel engine with a 16:1 compression ratio, offering robust torque at lower RPM (1500), suitable for heavy-duty agricultural tasks. Its oil bath air cleaner enhances filtration efficiency, extending engine longevity under dusty conditions. However, the low RPM may limit its power for rapid engagement scenarios, making it less favorable for high-speed applications but ideal for consistent, heavy load performance on the farm.
| Description |
Continental ED-208 diesel 4-cylinder liquid-cooled vertical I-head |
| Displacement |
208ci / 3.4L |
| Bore/Stroke |
3.6875x4.875inches / 94x 124 mm |
| Air cleaner |
oil bath |
| Compression |
16:1 |
| Rated RPM |
1500 |
| Starter volts |
12 |
MASSEY-HARRIS 333 ENGINES
The Massey-Harris 333 tractor is powered by a Continental 3.4L 4-cylinder engine, available in both gasoline and diesel variants, allowing for flexibility in fuel choice depending on operator preference or availability. Its 27-gallon fuel tank provides extended operation, reducing the frequency of refueling during agricultural tasks. However, the limited engine power inherent to small displacement engines may challenge heavier towing or fieldwork scenarios, requiring careful consideration of load capacities.
| Description |
Continental 3.4L 4-cyl gasoline Continental 3.4L 4-cyl diesel |
| Fuel tank |
27gal / 102.2L |
TRANSMISSION
The Massey-Harris 333 tractor features a gear transmission with 10 forward and 2 reverse speeds, allowing for versatile operation across various field conditions. The design includes five gears and reverse in both low and high ranges, enhancing torque application for tasks like plowing or hauling. However, managing the gear transitions may be challenging for operators unfamiliar with multi-range systems, especially in demanding terrains.
| Type |
gear |
| Gears |
10 forward and 2 reverse |
| Description |
Five gears (1-5) plus reverse (R) in two ranges (low/high). |
MECHANICAL
The Massey-Harris 333 features a 4x2 2WD chassis, making it suitable for flat terrain operations with limited traction challenges on slopes or uneven ground. The mechanical expanding shoe brakes provide reliable stopping power but may require more maintenance compared to hydraulic systems. With a 10-speed transmission, operators can optimize power delivery and efficiency for various agricultural tasks, albeit manual steering can be physically demanding over extended periods.
| Chassis |
4x2 2WD |
| Steering |
manual/power optional |
| Brakes |
mechanical expanding shoe |
| Cab |
Open operator station. |
| Transmission |
10-speed gear |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 |
MASSEY-HARRIS 333 TIRES
The Massey-Harris 333 features an Ag front tire size of 6.50-16 and rear sizes of 11-38 or 12-38, optimizing it for traction and stability in various agricultural applications. Its rear tires provide flexibility for load capacity and terrain adaptability, while the front tire configuration ensures maneuverability in tight spaces. However, operators should note that the rear tire size options may affect ride comfort and fuel efficiency.
| Ag front |
6.50-16 |
| Ag rear |
11-38/12-38 |
DIMENSIONS
| Wheelbase |
88.1inches / 223cm |
| Height |
84inches / 213cm |
| Operating weight |
6,000lbs / 2721kg |
| Ballasted weight |
7,935lbs / 3599kg |
DIMENSIONS & TIRES
The Massey-Harris 333 tractor features an 88.1-inch wheelbase, providing stability during operation, especially on uneven terrain, while its weight of 6,000 lbs (2,721 kg) ensures good traction. The front tire size of 6.50-16 offers nimbleness for steering, but the rear tires of 11-38 are advantageous for maximizing power transfer and improving field performance. However, the lower front tire profile may limit load-bearing capabilities compared to models with larger front tires, especially in heavy-pulling scenarios.
| Wheelbase |
88.1inches / 223cm |
| Weight |
6,000lbs / 2721kg |
| Front tire |
6.50-16 |
| Rear tire |
11-38 |
333 SERIAL NUMBERS
| Location |
Right side of tractor frame. |
BELT PULLEY
| Diameter |
13.5inches / 34cm |
| Width |
6.5inches / 16cm |
| RPM |
876 |
| Speed |
3,097ft/min / 943.97 meters/min |
