Tractor · 1915Unverified
Gray Tractor 15-25 B
Gray Tractor 15-25 B — Standard-tread tractor · 15 hp. Reference specifications; pending source verification.
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
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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.