Overview
The Twin City 20-35 is a farm tractor produced in Minneapolis, Minnesota, from 1920 to 1927. It features a 10.5L 4-cylinder kerosene engine and a 2-speed gear transmission, weighing 8,100 lbs with steel wheels.
Ideal Applications
Tested Power Output:
The Nebraska Tractor Test 67 measured the maximum belt power at 46.9 hp and the maximum drawbar power at 34.1 hp.
Engine and Fuel Specifications:
Equipped with a liquid-cooled vertical valve-in-head engine, the tractor utilizes a 40-gallon main fuel tank and a 3-gallon auxiliary tank with a rated speed of 900 RPM.
Physical Dimensions and Gear Ratios:
The 152-inch long frame is supported by 36x8.50 front and 60x20 rear steel tires, operating through a transmission with 2 forward gears and 1 reverse gear.
Production
| Description | Built in Minneapolis, Minnesota, USA |
|---|---|
| Manufacturer | Twin City |
Engine
| Aux. fuel | 3 gal (11.4 L) |
|---|---|
| Engine type | 10.5L 4-cyl kerosene |
| Fuel tank | 40 gal (151.4 L) |
| Bore/Stroke | 5.50x6.75 inches (140 x 171 mm) |
| Coolant capacity | 72 qts (68.1 L) |
| Description | kerosene / 4-cylinder / liquid-cooled vertical, valve-in-head |
| Displacement | 641.5 ci (10.5 L) |
| Rated RPM | 900 |
| Belt (claimed) | 35 hp (26.1 kW) |
| Belt (tested) | 46.9 hp (35.0 kW) |
| Drawbar (claimed) | 20 hp (14.9 kW) |
| Drawbar (tested) | 34.1 hp (25.4 kW) |
| Plows | 6 (14-inch) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission | gear |
| Transmission type | 2-speed |
Mechanical
| Drive type | Two-wheel drive |
|---|
Dimensions & Tires
| Height | 73 inches (185 cm) |
|---|---|
| Length | 152 inches (386 cm) |
| Weight | 8,100 lbs (3674 kg) |
| Front tire | 36x8.50 |
| Rear tire | 60x20 |
| Weight | 8,100 lbs (3674 kg) |
| Ag front | 36x8.50 (steel) |
| Ag rear | 60x20 (steel) |
20-35 Serial Numbers
| Location: | front-left of transmission |
|---|
Nebraska Tractor Test 67
| Belt fuel use (max) | 6.0 gal/hour (22.7 l/hour) |
|---|---|
| Belt power (max) | 46.9 hp (35.0 kW) |
| Description | Kerosene October 1920 / Drawbar performance |
| Max power | 34.1 hp (25.4 kW) |