Manufacturer |
Massey-Harris |
Price |
- |
Model |
50 |
Equipment Type |
Utility Tractors |
Factory |
Detroit, Michigan, USA |
NEBRASKA TRACTOR TEST 595 1
NEBRASKA TRACTOR TEST 595 2
Description |
Gasoline 6-speed 2WD/September 25 - October 4, 1956/Link: Nebraska Tractor Test 595 file/Drawbar performance/Gear 4 used for power test./Gear 1 used for pull test. |
Belt power (max) |
32.58 hp/24.3 kW |
Belt fuel use (max) |
3.1 gal/hour/11.7 l/hour |
Max power |
30.50 hp/22.7 kW |
Max pull |
3,525 lbs/1598 kg |
MASSEY-HARRIS 50 POWER
Plows |
3 |
Drawbar (tested) |
30.50 hp/22.7 kW |
Belt (tested) |
32.58 hp/24.3 kW |
ENGINE DETAIL
The Massey-Harris 50 features a Continental Z-134 engine with a modest displacement of 134 ci, delivering adequate power for light agricultural tasks, making it suitable for smaller farms. Its oil bath air cleaner and low compression ratio of 6.6:1 can enhance durability but may limit performance efficiency under heavy load. The 12-volt starter ensures reliable ignition, while the relatively low-rated RPM of 2000 provides smoother operation but might restrict maximum speed during fieldwork.
Description |
Continental Z-134/gasoline/4-cylinder/liquid-cooled |
Displacement |
134 ci/2.2 L |
Bore/Stroke |
3.3125x3.875 inches/84 x 98 mm |
Air cleaner |
oil bath |
Compression |
6.6:1 |
Rated RPM |
2000 |
Starter volts |
12 |
Oil capacity |
6 qts/5.7 L |
Coolant capacity |
10 qts/9.5 L |
MASSEY-HARRIS 50 ENGINE
The Massey-Harris 50 features a Continental 2.2L 4-cylinder gasoline engine, providing adequate power for light to medium-duty agricultural tasks. Its 17-gallon fuel tank allows for extended operational time, making it efficient for longer field work. However, the gasoline engine may result in higher fuel costs compared to diesel alternatives, especially in heavy-use scenarios.
Description |
Continental 2.2L 4-cyl gasoline |
Fuel tank |
17 gal/64.3 L |
TRANSMISSION
The Massey-Harris 50 tractor features an unsynchronized 6F/2R gear system, which can be advantageous for straightforward operations but may require skillful handling when shifting under load. The 279.4mm dry disc clutch offers good durability but can generate significant heat and wear during prolonged use, potentially impacting performance in heavy-duty applications. Operators must consider the gear shifting technique to avoid damage and optimize efficiency in various field scenarios.
Type |
unsynchronized gear |
Gears |
6 forward and 2 reverse |
Clutch |
279.4mm dry disc |
MECHANICAL
The Massey-Harris 50 features a 4x2 2WD chassis, offering a lightweight design advantageous for agricultural tasks on flat terrains, but may struggle in muddy or uneven conditions. Its power steering enhances maneuverability, while the differential mechanical shoe brakes provide reliable stopping power, albeit may require more maintenance than hydraulic systems. The 6-speed unsynchronized transmission offers simplicity and ease of operation, though it can present challenges in gear shifting under load.
Chassis |
4x2 2WD |
Steering |
power |
Brakes |
differential mechanical shoe |
Cab |
Open operator station. |
Transmission |
6-speed unsynchronized gear |
HYDRAULICS
Type |
open center |
Pump flow |
3 gpm/11.4 lpm |
TRACTOR HITCH
Rear Type |
I |
Control |
mechanical draft control |
POWER TAKE-OFF (PTO)
Rear PTO |
live*Two-stage clutch. |
Clutch |
228.6mm dry disc |
Rear RPM |
540 (1.375) |
MASSEY-HARRIS 50 TIRES
The Massey-Harris 50 tractor is equipped with a versatile tire configuration, offering options for both agricultural front tires (5.50x16 or 7.50x10) and rear tires (11x28 or 10x38). This flexibility allows for optimized traction and stability in various field conditions, depending on the chosen tire size. However, selecting the appropriate tire size is critical as it affects load capacity and ground contact, impacting overall performance and fuel efficiency during agricultural operations.
Ag front |
5.50x16/7.50x10 |
Ag rear |
11x28/10x38 |
DIMENSIONS
Wheelbase |
81.2 inches/206 cm |
Operating weight |
3,432 lbs/1556 kg |
Ballasted weight |
5,469 lbs/2480 kg |
Rear tread |
52 to 72 inches/132 to 182 cm (power) |
DIMENSIONS & TIRES
The Massey-Harris 50, with an 81.2-inch wheelbase, offers a stable platform for field operations, making it advantageous for handling implements in moderate terrain. Its weight of 3,432 lbs aids traction, while the 5.50x16 front and 11x28 rear tires contribute to a balanced grip and improved maneuverability. However, its tire specifications may limit its performance in very soft or muddy conditions, suggesting ideal use in firmer soils.
Wheelbase |
81.2 inches/206 cm |
Weight |
3,432 lbs/1556 kg |
Front tire |
5.50x16 |
Rear tire |
11x28 |
50 SERIAL NUMBERS
1955 |
500001 |
1956 |
500473 |
1957 |
510764 |
BELT PULLEY
Diameter |
9 inches/22 cm |
Width |
6.5 inches/16 cm |
RPM |
1313 |
Speed |
3100 ft/min/944.88 meters/min |