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Tractor · 1928Unverified

Keck-Gonnerman 25-50

Name: Keck-Gonnerman 25-50
Brand: Keck-Gonnerman

Keck-Gonnerman 25-50 — Standard-tread tractor · 25 hp. Reference specifications; pending source verification.

The Keck-Gonnerman 25-50 is a tractor with a rated power output of approximately 25 hp, positioning it at the lower end of its class. Produced between 1928 and 1937, the 25-50 is equipped with a 4-cylinder electric liquid-cooled engine and a 2-speed gearbox, paired with two-wheel drive. The tractor has a listed operating weight of 4445 kg, and 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

25 hp

Weight

4445 kg

Catalogue coverage

Variants represented

Richest spec table

32 rows

Recorded power

25 hp

Recorded weight

4445 kg

Transmissions

2-speed gear

Production years

1928-1937

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerKeck-GonnermanReference

Standard-tread tractorReference

Built in Mount Vernon, Indiana, USAReference

Two-wheel driveReference

Final drivesspur gearReference

Manual steeringReference

Open operator station.Reference

Engine

LeRoi 9.9L 4-cyl keroseneReference

Drawbar (claimed)18.6 kWReference

Belt (claimed)37.3 kWReference

Plows4Reference

LeRoiReference

keroseneReference

4-cylinderReference

liquid-cooledReference

Displacement9.9 LReference

Bore/Stroke133 x 178 mmReference

Starter typehand-crankReference

Starter typeelectricReference

Transmission

2-speed gearReference

TypegearReference

Gears2 forward and 1 reverseReference

Dimensions

Weight4445 kgReference

Rear tire56x14Reference

Ag rear56x14 (steel)Reference

Length411 cmReference

Width218 cmReference

Height175 cmReference

Capacities

Diameter39 cmReference

Width24 cmReference

RPM666Reference

Speed815.95 meters/minReference

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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