Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1918–1921

Gray Tractor

18-36

Explore the specifications, hardware, and original references for the Gray Tractor 18-36.

Generic tractor; no model photo available
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
Gray Tractor 18-36 | Specifications & Tests | Tractor Stack