Minneapolis 20-40 Specs ( 1914-1919 )
Overview
The Minneapolis 20-40 is a heavy-duty farm tractor produced between 1914 and 1919, featuring a massive 12,000-pound build and an 11.9L 4-cylinder kerosene engine. Built in Hopkins, Minnesota, this 2WD machine is designed for significant power output, delivering a claimed 40 hp at the belt and 20 hp at the drawbar.
Ideal Applications
Heavy Plowing:
With its significant 12,000-pound weight and 20 hp drawbar capacity, this tractor is specifically rated to pull between 4 and 6 14-inch plows.
Stationary Belt Operations:
The integrated 20-inch diameter belt pulley operates at 700 RPM, providing a claimed 40 hp for driving various types of belt-driven farm machinery.
High-Draft Field Work:
The combination of a 2-speed gear transmission and 66-inch tall steel rear tires allows the tractor to manage demanding agricultural tasks requiring steady traction and torque.
Production
| Description | Standard-tread tractor / Built in Hopkins, Minnesota, USA |
|---|---|
| Manufacturer | Minneapolis (a part of Minneapolis Threshing Machine Company) |
Engine
| Engine type | Minneapolis Threshing Machine 11.9L 4-cyl kerosene |
|---|---|
| Fuel tank | 30 gal (113.6 L) |
| Bore/Stroke | 5.75x7.00 inches (146 x 178 mm) |
| Description | Minneapolis Threshing Machine / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 727.1 ci (11.9 L) |
| Rated RPM | 650 |
| Starter type | hand crank |
| Belt (claimed) | 40 hp (29.8 kW) |
| Drawbar (claimed) | 20 hp (14.9 kW) |
| Plows | 4-6 (14-inch) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Description | Manual steering |
|---|---|
| Drive type | Two-wheel drive |
Dimensions & Tires
| Height | 110.5 inches (280 cm) |
|---|---|
| Length | 167 inches (424 cm) |
| Rear axle | 3.4375 inch diameter (87 mm) |
| Weight | 12000 lbs (5443 kg) |
| Width | 96 inches (243 cm) |
| Rear tire | 66x20 |
| Weight | 12000 lbs (5443 kg) |
| Ag rear | 66x20 (steel) |
Belt Pulley
| Diameter | 20 inches (50 cm) |
|---|---|
| RPM | 700 |
| Width | 10 inches (25 cm) |