Introduction
Minneapolis-Moline 445 Row-Crop Tractor
The Minneapolis-Moline 445 is a row-crop tractor produced between 1956 and 1959, forming part of the manufacturer's lineup during the late 1950s. Built in Minneapolis, Minnesota, this machine was designed for versatility in agricultural operations, offering a power output of 51 horsepower.
Engine and Performance
The tractor is powered by the Minneapolis-Moline 220A-4, a 4-cylinder, liquid-cooled gasoline engine with a displacement of 221.1 cubic inches (3.6 L). It features a 7.3:1 compression ratio and operates at a rated speed of 1550 RPM. The fuel system utilizes a carburetor, and the engine intake is protected by an oil bath air cleaner.
Transmission and Drivetrain
The 445 is equipped with the Ampli-Torc transmission system, providing a two-speed power shift functionality that delivers 10 forward gears and 2 reverse gears. Power is transmitted through a dry disc clutch measuring 279.4 mm. The tractor utilizes a two-wheel drive configuration with bull gear final drives and disc brakes for operational control.
Power Take-Off and Hydraulics
The tractor features an independent rear PTO operating at 540 RPM. An optional mid-mounted PTO is also available, providing a speed of 980 RPM for specialized attachments. The rear hitch is categorized as Type II, allowing for the connection of various implements.
Chassis and Dimensions
The machine features an open operator station with manual steering, though power steering was offered as an option. With a wheelbase of 86.5 inches (219 cm) and an overall length of 130.5 inches (331 cm), the tractor provides a stable platform. Front axle clearance is 22.5 inches (57 cm), while the rear axle clearance measures 25.5 inches (64 cm).
Conclusion
The Minneapolis-Moline 445 served as a reliable row-crop tractor for mid-century farming operations. Its combination of a 51 hp gasoline engine, the multi-range Ampli-Torc transmission, and versatile PTO options made it a suitable choice for a variety of field tasks during its production run.
Production Information of Minneapolis-Moline, 445
- Original price was $3075 in 1959
- Row-Crop tractor
- Built in Minneapolis, Minnesota, USA
| Manufacturer | Minneapolis-Moline |
|---|
Dimension and Tires Information of Minneapolis-Moline, 445
| 445U Front tread | 8/13 inches [20/33 cm] |
|---|---|
| Wheelbase | 86.5 inches [219 cm] |
| Clearance (front axle) | 22.5 inches [57 cm] |
| Height (steering wheel) | 70 inches [177 cm] |
| Length | 130.5 inches [331 cm] |
| 445E Front tread | 56 to 84 inches [142 to 213 cm] |
| Clearance (rear axle) | 25.5 inches [64 cm] |
| Width | 82.25 inches [208 cm] |
| Rear tread | 56 to 96 inches [142 to 243 cm] |
| Rear tread | 56 to 88 inches [142 to 223 cm] |
| 445U Ag front | 5.50-16 |
|---|---|
| Ag rear | 12-38 |
| Ag rear | 11-38 |
| 445E Ag front | 5.50-16 |
| 445N Ag front | 7.50-10 |
Engine Specifications of Minneapolis-Moline, 445
- Minneapolis-Moline 220A-4
- Liquid-cooled
- The 220 ci engine was only used in the military version of the 445
- Gasoline
- 4-cylinder
| Coolant capacity | 13.5 qts [12.8 L] |
|---|---|
| Fuel system | Carburetor |
| Air cleaner | Oil bath |
| Rated RPM | 1550 |
| Compression | 7.3:1 |
| Bore/Stroke | 3.75x5.00 inches [95 x 127 mm] |
| Displacement | 221.1 ci [3.6 L] |
| Oil capacity | 7 qts [6.6 L] |
| Starter volts | 12 |
| Firing order | 1-3-4-2 |
Transmission Information of Minneapolis-Moline, 445
Transmission variants 1
| Transmission | Ampli-Torc |
|---|---|
| Oil capacity | 40 qts [37.9 L] |
| Clutch | 279.4mm dry disc |
| Type | Two-speed power shift |
| Gears | 10 forward and 2 reverse |
Mechanical Specs of Minneapolis-Moline, 445
- Two-wheel drive
- Disc brakes
- Open operator station.
| Steering(optional) | Power |
|---|---|
| Final drives | Bull gear |
| Steering | Manual |
Power Information of Minneapolis-Moline, 445
| Rear PTO | Independent |
|---|---|
| Mid PTO Type | 980 |
| Mid PTO | Optional |
| Clutch | Wet disc |
| Rear PTO Type | 540 |
Three-Point Hitch of Minneapolis-Moline, 445
| Rear Type | II |
|---|
Electrical System of Minneapolis-Moline, 445
| Ground | Positive |
|---|---|
| Charging system | Generator |
| Battery volts | 12 |
Where it sits
With 51 HP, the Minneapolis-Moline 445 sits just below Jet Star (56 HP) in Minneapolis-Moline's range. Its power puts it in the 76th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Minneapolis-Moline 445 have?
The Minneapolis-Moline 445 delivers 51 HP.
What years was the Minneapolis-Moline 445 produced?
The Minneapolis-Moline 445 was produced in 1956-1959.
What engine does the Minneapolis-Moline 445 have?
The Minneapolis-Moline 445 is powered by a Gasoline, 4-cylinder engine.
What transmission does the Minneapolis-Moline 445 use?
The Minneapolis-Moline 445 uses a Ampli-Torc transmission.
Is the Minneapolis-Moline 445 4WD?
The Minneapolis-Moline 445 is available in 2WD.