Minneapolis 35-70 Specs ( 1920-1929 )
Overview
The Minneapolis 35-70 is a standard-tread farm tractor produced by the Minneapolis Threshing Machine Company in Hopkins, Minnesota, between 1920 and 1929. It features a 24.4L 4-cylinder liquid-cooled kerosene engine and a 2-speed gear transmission with a total weight of 22,500 lbs. Nebraska Tractor Test 15 verified the machine at a maximum belt output of 74.0 hp and a maximum drawbar pull of 10,998 lbs.
Ideal Applications
Tested Drawbar Performance:
During Nebraska Tractor Test 15, the tractor demonstrated a maximum drawbar pull of 10,998 lbs and is rated for pulling between 6 and 10 14-inch plows.
Engine and Fuel Configuration:
The 1486.2 ci engine operates at a rated 550 RPM and is supported by a dual-tank system including an 80-gallon main fuel tank and a 20-gallon auxiliary tank.
Stationary Belt Pulley Output:
The 24-inch diameter belt pulley is rated for 500 RPM and achieved a tested maximum of 74.0 hp with a fuel consumption rate of 10.8 gallons per hour.
Production
| Description | Standard-tread tractor / Built in Hopkins, Minnesota, USA |
|---|---|
| Manufacturer | Minneapolis (a part of Minneapolis Threshing Machine Company) |
Engine
| Aux. fuel | 20 gal (75.7 L) |
|---|---|
| Engine type | Minneapolis Threshing Machine 24.4L 4-cyl kerosene |
| Fuel tank | 80 gal (302.8 L) |
| Bore/Stroke | 7.25x9.00 inches (184 x 229 mm) |
| Coolant capacity | 240 qts (227.1 L) |
| Description | Minneapolis Threshing Machine / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 1486.2 ci (24.4 L) |
| Rated RPM | 550 |
| Starter type | hand crank |
| Belt (claimed) | 70 hp (52.2 kW) |
| Belt (tested) | 74.0 hp (55.2 kW) |
| Drawbar (claimed) | 35 hp (26.1 kW) |
| Drawbar (tested) | 52.55 hp (39.2 kW) |
| Plows | 6-10 (14-inch) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Description | Manual steering / Steel canopy. |
|---|---|
| Drive type | Two-wheel drive |
Dimensions & Tires
| Height | 122 inches (309 cm) |
|---|---|
| Length | 206 inches (523 cm) |
| Rear axle | 4 inch diameter (101 mm) |
| Weight | 22500 lbs (10206 kg) |
| Wheelbase | 136 inches (345 cm) |
| Width | 108 inches (274 cm) |
| Front tire | 40x14 |
| Rear tire | 85x30 |
| Weight | 22500 lbs (10206 kg) |
| Wheelbase | 136 inches (345 cm) |
| Ag front | 40x14 (steel) |
| Ag rear | 85x30 (steel) |
Belt Pulley
| Diameter | 24 inches (60 cm) |
|---|---|
| RPM | 500 |
| Width | 10.25 inches (26 cm) |
Nebraska Tractor Test 15
| Belt fuel use (max) | 10.8 gal/hour (40.9 l/hour) |
|---|---|
| Belt power (max) | 74.0 hp (55.2 kW) |
| Description | May 21 - June 4, 1920Link: Nebraska Tractor Test 15 file / Drawbar performance |
| Max power | 52.55 hp (39.2 kW) |
| Max pull | 10998 lbs (4988 kg) |