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Years in Production / 1918–1921
Gray Tractor
18-36
Explore the specifications, hardware, and original references for the Gray Tractor 18-36.

No photo
36hp
Engine estimate · from belt
Unknown
Drive
1918–1921
Production years
Gray Tractor
Manufacturer
18-36 / 01
At a glance
Production
Standard-tread tractor
Built in Minneapolis, Minnesota, USA
- Manufacturer
- Gray Tractor
Mechanical
Manual steering
Open operator station.
- Drive
- 3x1 drum drive
Belt Pulley
- Diameter
- 11 inches27 cm
- Width
- 8 inches20 cm
18-36 / 02
Under the hood
Engine Detail
Waukesha P
gasoline
4-cylinder
liquid-cooled inline
- Displacement
- 478 ci7.8 L
- Bore Stroke
- 4.75x6.75 inches121 x 171 mm
- Fuel System
- carburetor
- Rated Rpm
- 900
- Starter Type
- hand-crank
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled inline
18-36 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
18-36 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 104.5 inches265 cm
- Weight
- 6200 lbs2812 kg
- Front Tire
- 40x8
- Rear Tire
- 54x54
Tires And Tracks
- Front Ag
- 40x8 steel
- Rear Ag
- 54x54 steel
18-36 / 05
Tests (NTTL)
Nebraska Tractor Test 22Nebraska test report ↗
Gasoline 2-speed 2WDJune 11 - July 3, 1920
Drawbar performance
- Id
- 22
- Belt Power Max
- 32.20 hp24.0 kW
- Max Power
- 19.64 hp14.6 kW
- Max Pull
- 3390 lbs1537 kg