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Years in Production / 1915–1916
Gray Tractor
15-25
Explore the specifications, hardware, and original references for the Gray Tractor 15-25.
No photo
25hp
Engine estimate · from belt
Unknown
Drive
1915–1916
Production years
Gray Tractor
Manufacturer
15-25 / 01
At a glance
Production
Standard-tread tractor
Built in Minneapolis, Minnesota, USA
Original price was $1,650 in 1916
- Manufacturer
- Gray Tractor
Mechanical
Manual steering
Open operator station.
- Drive
- 3x1 drum drive
Belt Pulley
- Diameter
- 11 inches27 cm
- Width
- 7 inches17 cm
15-25 / 02
Under the hood
Engine Detail
Waukesha
gasoline
4-cylinder
liquid-cooled inline
- Displacement
- 373 ci6.1 L
- Bore Stroke
- 4.25x6.75 inches108 x 171 mm
- Rated Rpm
- 800
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled inline
Engine Options
Waukesha 6.1L 4-cyl gasoline
- Fuel Tank
- 30 gal113.6 L
15-25 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
15-25 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 5500 lbs2494 kg
- Front Tire
- 39x8
- Rear Tire
- 55x48
Tires And Tracks
- Front Ag
- 39x8 steel
- Rear Ag
- 55x48 steel