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. Transmission: 7 forward and reverse. Operating weight: 6,000 lbs 2721 kg.
Fuel & Capacities
21 gal
79.5 L
Transmission
7 forward and reverse
Operating Weight
6,000 lbs
2721 kg
Overview
 | 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 | |
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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
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Heider C 12-20.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Heider C 12-20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Heider C 12-20.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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