Heider C 12-20

The Heider C 12-20 is a tractor produced by Heider. It is equipped with a 429 ci 7.0 L engine. The rated power output is 24.24 hp 18.1 kW. Transmission: 7 forward and reverse. Operating weight: 6,000 lbs 2721 kg.

Overview

	1916 - 1924 Standard-tread tractor
1916 - 1924
Standard-tread tractor

Production
Manufacturer	Heider (a part of Rock Island)
Standard-tread tractor
Built in Rock Island, Illinois, USA

Heider C 12-20 Engine
Waukesha 7.0L 4-cyl kerosene
Fuel tank	21 gal 79.5 L
Engine details ...

Heider C 12-20 Transmission
7-speed friction drive
Transmission details ...

Heider C 12-20 Power
Drawbar (claimed)	9 hp 6.7 kW
Belt (claimed)	16 hp 11.9 kW
Plows	4
Drawbar (tested)	13.43 hp 10.0 kW
Belt (tested)	24.24 hp 18.1 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
Four-post canopy.

Tractor hitch
Type	Heider Plow Lift

Dimensions & Tires
Wheelbase	96 inches 243 cm
Weight	6,000 lbs 2721 kg
Front tire	30x5
Rear tire	57x10
Full dimensions and tires ...

Links
Heider C: information at RIPC site

Engine

Engine Detail — 429 ci / 7.0 L Kerosene

Manufacturer	Waukesha
Fuel Type	Kerosene
Configuration	4-cylinder, liquid-cooled
Displacement	429 ci 7.0 L
Bore/Stroke	4.50x6.75 inches 114 x 171 mm
Rated RPM	900
Coolant capacity	36 qts 34.1 L

Transmission

Transmission — 7 forward and reverse friction drive

Type	friction drive
Gears	7 forward and reverse

Dimensions

Heider C 12-20 Tires
Ag front	30x5 steel
Ag rear	57x10 steel

Dimensions
Wheelbase	96 inches 243 cm
Length	144 inches 365 cm
Width	74 inches 187 cm
Height	96 inches 243 cm
Weight	6,000 lbs 2721 kg

Tests

Nebraska Tractor Test 16
Kerosene 7-speed 2WD May 28 - June 8, 1920 Link: Nebraska Tractor Test 16 file
Belt power (max)	24.24 hp 18.1 kW
Belt fuel use (max)	4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power	13.43 hp 10.0 kW
Gear 1 used for power test.
Max pull	2,223 lbs 1008 kg
Gear 1 used for pull test.

Photos

Heider C 12-20 tractor photo