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Tractor · 1915Unverified

Gray Tractor 15-25 B

Name: Gray Tractor 15-25 B
Brand: Gray Tractor

Gray Tractor 15-25 B — Standard-tread tractor · 15 hp. Reference specifications; pending source verification.

The Gray Tractor 15-25 B is a tractor with a rated power of 15 hp, positioning it at the lighter end of its class. It was manufactured from 1915 to 1916 and features a 4-cylinder petrol liquid-cooled engine coupled with a 2-speed gearbox. The tractor's operating weight is listed as 2494 kg, and it is suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

15 hp

Weight

2494 kg

Catalogue coverage

Variants represented

Richest spec table

31 rows

Recorded power

15 hp

Recorded weight

2494 kg

Transmissions

2-speed gear

Production years

1915-1916

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerGray TractorReference

Standard-tread tractorReference

Built in Minneapolis, Minnesota, USAReference

Original price was $1,650 in 1916Reference

Drive3x1 drum driveReference

Manual steeringReference

Open operator station.Reference

Engine

Waukesha 6.1L 4-cyl gasolineReference

Fuel tank113.6 LReference

Drawbar (claimed)11.2 kWReference

Belt (claimed)18.6 kWReference

WaukeshaReference

gasolineReference

4-cylinderReference

liquid-cooled inlineReference

Displacement6.1 LReference

Bore/Stroke108 x 171 mmReference

Rated RPM800Reference

Transmission

2-speed gearReference

TypegearReference

Gears2 forward and 1 reverseReference

Dimensions

Weight2494 kgReference

Front tire39x8Reference

Rear tire55x48Reference

Ag front39x8 steelReference

Ag rear55x48 steelReference

Length441 cmReference

Width193 cmReference

Height152 cmReference

Capacities

Diameter27 cmReference

Width17 cmReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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