Heider C 12-20 tractor specifications

1916 - 1924

1916 - 1924 Standard-tread tractor

Series:

Series:C 12-20C 15-27 ↓

1924 - 1927

Standard-tread tractor

Production

Production
Manufacturer:	Heider (a part of Rock Island)
Type:	Standard-tread tractor
Factory:	Rock Island, Illinois, USA

Heider C 15-27 Power

Heider C 15-27 Power
Drawbar (claimed):	15 hp 11.2 kW
Belt (claimed):	27 hp 20.1 kW
Drawbar (tested):	21.54 hp 16.1 kW
Belt (tested):	30.00 hp 22.4 kW
power test details ...

Heider C 15-27 Engine

Heider C 15-27 Engine
Waukesha 7.8L 4-cyl kerosene
Fuel tank:	21 gal 79.5 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Cab:	Four-post canopy.
Transmission:	7-speed unsynchronized gear
Transmission details ...

Dimensions & Tires

Dimensions & Tires
Wheelbase:	96 inches 243 cm
Front tire:	30x5
Rear tire:	57x10
Full dimensions and tires ...

External Links

External Links
Heider 15-27: information at RIPC site

Production

Production Manufacturer:Heider (a part of Rock Island)
Type:Standard-tread tractor
Factory:Rock Island, Illinois, USA

Heider C 12-20 Power

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
power test details ...

1916 - 1924

Standard-tread tractor

Series:

Series:	C 12-20
	C 15-27 ↓

Nebraska Tractor Test 16

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.

Heider C 12-20 Engine

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

1916 - 1924

Standard-tread tractor

Series:

Series:	C 12-20
	C 15-27 ↓

Engine Detail

Engine Detail
Waukesha
kerosene
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