Gray Tractor 15-25 B

The Gray Tractor 15-25 B is a tractor produced by Gray Tractor. It is equipped with a 373 ci 6.1 L engine. Transmission: 2 forward and 1 reverse. Drive type: 3x1 drum drive. Operating weight: 5500 lbs 2494 kg.

Overview

	1915 - 1916 Standard-tread tractor

Production
Manufacturer	Gray Tractor
Standard-tread tractor
Built in Minneapolis, Minnesota, USA
Original price was $1,650 in 1916

Gray Tractor 15-25 Engine
Waukesha 6.1L 4-cyl gasoline
Fuel tank	30 gal 113.6 L
Engine details ...

Gray Tractor 15-25 Transmission
2-speed gear
Transmission details ...

Gray Tractor 15-25 Power
Drawbar (claimed)	15 hp 11.2 kW
Belt (claimed)	25 hp 18.6 kW

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

Dimensions & Tires
Weight	5500 lbs 2494 kg
Front tire	39x8
Rear tire	55x48
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 1916

Engine

Engine Detail — 373 ci / 6.1 L Gasoline

Manufacturer	Waukesha
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled inline
Displacement	373 ci 6.1 L
Bore/Stroke	4.25x6.75 inches 108 x 171 mm
Rated RPM	800

Transmission

Transmission — 2 forward and 1 reverse gear

Type	gear
Gears	2 forward and 1 reverse

Dimensions

Gray Tractor 15-25 Tires
Ag front	39x8 steel
Ag rear	55x48 steel

Dimensions
Length	174 inches 441 cm
Width	76 inches 193 cm
Height	60 inches 152 cm
Weight	5500 lbs 2494 kg

Photos

Gray Tractor 15-25 B tractor photo