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Years in Production / 1929–1932
Rock Island
G2 15-25
Explore the specifications, hardware, and original references for the Rock Island G2 15-25.
No photo
27hp
Engine estimate · from belt
2WD Only
Drive
1929–1932
Production years
Rock Island
Manufacturer
G2 15-25 / 01
At a glance
Production
Standard-tread tractor
Built in Rock Island, Illinois, USA
- Manufacturer
- Rock Island
Mechanical
Two-wheel drive
Open operator station.
- Steering
- manual
G2 15-25 / 02
Under the hood
Engine Detail
Waukesha
kerosene
4-cylinder
liquid-cooled
- Displacement
- 326 ci5.3 L
- Bore Stroke
- 4.25x5.75 inches108 x 146 mm
- Rated Rpm
- 1100
- Fuel Type
- kerosene
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Waukesha 5.3L 4-cyl kerosene
- Fuel Tank
- 21 gal79.5 L
- Aux Fuel
- 3.5 gal13.2 L
G2 15-25 / 03
Gears & controls
Transmission
- Transmission Type
- unsynchronized gear
- Gears
- 2 forward and 1 reverse
G2 15-25 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 4,200 lbs1905 kg
G2 15-25 / 05
Tests (NTTL)
Nebraska Tractor Test 157
Kerosene 2-speed 2WDApril 24 - May 3, 1929
Drawbar performance
- Id
- 157
- Belt Power Max
- 29.00 hp21.6 kW
- Belt Fuel Use Max
- 3.6 gal/hour13.6 l/hour
- Max Power
- 22.08 hp16.5 kW
- Max Pull
- 2,880 lbs1306 kg
Nebraska Tractor Test 158
Gasoline 2-speed 2WDMay 4 - 8, 1929
Drawbar performance
- Id
- 158
- Belt Power Max
- 35.69 hp26.6 kW
- Belt Fuel Use Max
- 3.9 gal/hour14.8 l/hour
- Max Power
- 25.50 hp19.0 kW
- Max Pull
- 3,549 lbs1609 kg