Gray Tractor 18-30

The Gray Tractor 18-30 is a tractor produced by Gray Tractor. It is equipped with a 429 ci 7.0 L engine. Transmission: 2 forward and 1 reverse. Drive type: 3x1 drum drive. Operating weight: 5950 lbs 2698 kg.

Overview

	1917 Standard-tread tractor

Production
Manufacturer	Gray Tractor
Standard-tread tractor
Built in Minneapolis, Minnesota, USA
Original price was $1,750 in 1915

Gray Tractor 18-30 Engine
Waukesha 7.0L 4-cyl gasoline
Fuel tank	34 gal 128.7 L
Engine details ...

Gray Tractor 18-30 Transmission
2-speed gear
Transmission details ...

Gray Tractor 18-30 Power
Drawbar (claimed)	18 hp 13.4 kW
Belt (claimed)	30 hp 22.4 kW
Plows	4

Mechanical
Drive	3x1 drum drive
Manual steering
Open operator station.

Dimensions & Tires
Weight	5950 lbs 2698 kg
Front tire	40x8
Rear tire	54x54
Full dimensions and tires ...

Belt Pulley
Diameter	11 inches 27 cm
Width	7 inches 17 cm

References
The Gray Tractor with the Wide Drive Drum published in 1917

Engine

Engine Detail — 429 ci / 7.0 L Gasoline

Manufacturer	Waukesha
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled inline
Displacement	429 ci 7.0 L
Bore/Stroke	4.50x6.75 inches 114 x 171 mm
Rated RPM	850

Transmission

Transmission — 2 forward and 1 reverse gear

Type	gear
Gears	2 forward and 1 reverse

Dimensions

Gray Tractor 18-30 Tires
Ag front	40x8 steel
Ag rear	54x54 steel

Dimensions
Length	174 inches 441 cm
Width	78 inches 198 cm
Height	63 inches 160 cm
Weight	5950 lbs 2698 kg

Photos

Gray Tractor 18-30 tractor photo