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Tractor · 1924Unverified

Heider C 15-27

Name: Heider C 15-27
Brand: Heider

Heider C 15-27 — Standard-tread tractor · 15 hp. Reference specifications; pending source verification.

The Heider C 15-27 is a compact tractor model with a rated power output of 15 hp. Manufactured from 1924 to 1927, the C 15-27 features a 4-cylinder liquid-cooled engine, paired with a 7-speed gearbox for two-wheel drive operation. Suitable for tasks on land areas of up to 200 acres, its specifications are detailed below.

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

Rated power

15 hp

Max power

16.1 kW

Catalogue coverage

Variants represented

Richest spec table

40 rows

Recorded power

15 hp

Transmissions

7-speed unsynchronized gear

Production years

1924-1927

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 7.8L 4-cyl keroseneReference

Fuel tank79.5 LReference

Drawbar (claimed)11.2 kWReference

Belt (claimed)20.1 kWReference

Drawbar (tested)16.1 kWReference

Belt (tested)22.4 kWReference

WaukeshaReference

keroseneReference

4-cylinderReference

liquid-cooledReference

Displacement7.8 LReference

Bore/Stroke121 x 171 mmReference

Rated RPM900Reference

Coolant capacity34.1 LReference

Belt power (max)22.4 kWReference

Max power16.1 kWReference

Transmission

7-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears7 forward and reverseReference

Dimensions

Wheelbase243 cmReference

Front tire30x5Reference

Rear tire57x10Reference

Ag front30x5 steelReference

Ag rear57x10 steelReference

Length365 cmReference

Width187 cmReference

Height243 cmReference

Links

Heider 15-27: information at RIPC siteReference

Test results

Kerosene 7-speed 2WDMay 7 - 13, 1925Link: Nebraska Tractor Test 114 fileReference

Belt fuel use (max)17.4 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull1497 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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