Overview
The Rock Island G 15-25 is a standard-tread farm tractor produced in Rock Island, Illinois, between 1927 and 1928. It is equipped with a 5.3L 4-cylinder liquid-cooled Waukesha engine and an unsynchronized gear transmission. The machine features a 4,200 lb weight, two-wheel drive, and an open operator station.
Ideal Applications
Claimed Power Ratings:
The tractor is rated with a claimed belt performance of 25 hp and a drawbar performance of 15 hp.
Engine Configuration:
The 326 ci Waukesha engine operates on kerosene and features a 4.25x5.75 inch bore and stroke.
Mechanical Specifications:
The unit is equipped with an unsynchronized gear transmission, manual steering, and a two-wheel drive system.
Production
| Description | Standard-tread tractor / Built in Rock Island, Illinois, USA |
|---|---|
| Manufacturer | Rock Island |
Engine
| Engine type | Waukesha 5.3L 4-cyl kerosene |
|---|---|
| Bore/Stroke | 4.25x5.75 inches (108 x 146 mm) |
| Description | Waukesha / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 326 ci (5.3 L) |
| Belt (claimed) | 25 hp (18.6 kW) |
| Drawbar (claimed) | 15 hp (11.2 kW) |
Transmission
| Description | unsynchronized gear |
|---|---|
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual |
Dimensions & Tires
| Weight | 4,200 lbs (1905 kg) |
|---|---|
| Weight | 4,200 lbs (1905 kg) |