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Tractor · 1916Unverified

Heider C 12-20

Name: Heider C 12-20
Brand: Heider

Heider C 12-20 — Standard-tread tractor · 9 hp. Reference specifications; pending source verification.

The Heider C 12-20 is a compact tractor with a rated output of 9 hp, produced between 1916 and 1924. It features a 4-cylinder liquid-cooled engine and a 7-speed gearbox, transmitting power through two-wheel drive. The listed weight of this model is 2721 kg, with a capacity of approximately 200 acres.

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

Rated power

9 hp

Max power

10.0 kW

Weight

2721 kg

Catalogue coverage

Variants represented

Richest spec table

43 rows

Recorded power

9 hp

Recorded weight

2721 kg

Transmissions

7-speed friction drive

Production years

1916-1924

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerHeider (a part of Rock Island)Reference

Standard-tread tractorReference

Built in Rock Island, Illinois, USAReference

Two-wheel driveReference

SteeringmanualReference

Four-post canopy.Reference

Engine

Waukesha 7.0L 4-cyl keroseneReference

Fuel tank79.5 LReference

Drawbar (claimed)6.7 kWReference

Belt (claimed)11.9 kWReference

Plows4Reference

Drawbar (tested)10.0 kWReference

Belt (tested)18.1 kWReference

WaukeshaReference

keroseneReference

4-cylinderReference

liquid-cooledReference

Displacement7.0 LReference

Bore/Stroke114 x 171 mmReference

Rated RPM900Reference

Coolant capacity34.1 LReference

Belt power (max)18.1 kWReference

Max power10.0 kWReference

Transmission

7-speed friction driveReference

Typefriction driveReference

Gears7 forward and reverseReference

PTO & Hydraulics

TypeHeider Plow LiftReference

Dimensions

Wheelbase243 cmReference

Weight2721 kgReference

Front tire30x5Reference

Rear tire57x10Reference

Ag front30x5 steelReference

Ag rear57x10 steelReference

Length365 cmReference

Width187 cmReference

Height243 cmReference

Links

Heider C: information at RIPC siteReference

Test results

Kerosene 7-speed 2WDMay 28 - June 8, 1920Link: Nebraska Tractor Test 16 fileReference

Belt fuel use (max)16.3 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull1008 kgReference

Gear 1 used for pull test.Reference

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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