Skip to content
TractorStack.
An independent tractor referenceSpecifications. Sources. Side by side.
Search
Find your tractor.
Menu ☰
Years in Production / 1917
Gray Tractor
18-30
Explore the specifications, hardware, and original references for the Gray Tractor 18-30.

No photo
30hp
Engine estimate · from belt
Unknown
Drive
1917
Production years
Gray Tractor
Manufacturer
18-30 / 01
At a glance
Production
Standard-tread tractor
Built in Minneapolis, Minnesota, USA
Original price was $1,750 in 1915
- Manufacturer
- Gray Tractor
Mechanical
Manual steering
Open operator station.
- Drive
- 3x1 drum drive
Belt Pulley
- Diameter
- 11 inches27 cm
- Width
- 7 inches17 cm
18-30 / 02
Under the hood
Engine Detail
Waukesha
gasoline
4-cylinder
liquid-cooled inline
- Displacement
- 429 ci7.0 L
- Bore Stroke
- 4.50x6.75 inches114 x 171 mm
- Rated Rpm
- 850
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled inline
Engine Options
Waukesha 7.0L 4-cyl gasoline
- Fuel Tank
- 34 gal128.7 L
18-30 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
18-30 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 5950 lbs2698 kg
- Front Tire
- 40x8
- Rear Tire
- 54x54
Tires And Tracks
- Front Ag
- 40x8 steel
- Rear Ag
- 54x54 steel