Tractorpedia.com

Gray Tractor 15-25 B

Gray Tractor 15-25 B tractor
View Images
The Gray Tractor 15-25 B is a standard-tread farm tractor produced from 1915 to 1916 by Gray Tractor in Minneapolis, Minnesota, USA. It features a Waukesha 6.1L 4-cylinder liquid-cooled gasoline engine rated at 800 RPM, with a 30-gallon fuel tank. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears, and a 3x1 drum drive with manual steering and an open operator station. It delivers 15 hp at the drawbar and 25 hp at the belt (claimed). Dimensions include a length of 174 inches, width of 76 inches, height of 60 inches, and weight of 5500 lbs. Tires are steel with sizes 39x8 front and 55x48 rear. The belt pulley measures 11 inches in diameter and 7 inches in width. Original price was $1,650 in 1916.
Gray Tractor 15-25 BGray Tractorfarm tractor15-25 B specificationsWaukesha engine2-speed transmissiontractor dimensionstractor power
Power25 hp[B]
Founded1915 - 1916
Model15-25 B

Technical Specifications

Detailed specifications and technical data for Gray Tractor 15-25 B

Power

Belt (claimed):25 hp (18.6 kW)
Drawbar (claimed):15 hp (11.2 kW)

Tires

Rear tire:55x48 steel
Front tire:39x8 steel

Engine

Make:Waukesha
Type:gasoline
Cooling:liquid-cooled inline
Cylinders:4-cylinder
Fuel tank:30 gal (113.6 L)
Rated RPM:800
Bore/Stroke:4.25x6.75 inches (108 x 171 mm)
Displacement:373 ci (6.1 L)

Dimensions

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

Mechanical

Drive:3x1 drum drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Minneapolis, Minnesota, USA
Original price:$1,650 in 1916
Years produced:1915 - 1916

Belt Pulley

Width:7 inches (17 cm)
Diameter:11 inches (27 cm)

Transmission

Type:gear
Gears:2 forward and 1 reverse

Related Models

Gray Tractor 18-30

Model:18-30

Gray Tractor 20-35

Model:20-35