The Heider B is a tractor model with a rated output of 10 hp — making it one of the more compact options in its class. It was produced from 1911 to 1914. It is powered by a liquid-cooled engine, driving through two-wheel drive with a 7-speed gearbox. Listed weight is 2630 kg, and it is aimed at jobs of around up to 200 ac. Recorded specifications in UK and US units are listed below.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
10 hp
Weight
2630 kg
Catalogue coverage
Variants represented
2
Richest spec table
29 rows
Recorded power
10 hp
Recorded weight
2630 kg
Transmissions
7-speed friction drive
Production years
1911-1914
Verified variants
0
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Overview
ManufacturerHeiderReference
Standard-tread tractorReference
Built in Carroll, Iowa, USAReference
Two-wheel driveReference
SteeringmanualReference
Four-post canopy.Reference
Engine
Waukesha keroseneReference
Fuel tank98.4 LReference
Drawbar (claimed)7.5 kWReference
Belt (claimed)14.9 kWReference
Plows4Reference
WaukeshaReference
keroseneReference
liquid-cooledReference
Bore/Stroke108 x 171 mmReference
Rated RPM800Reference
Coolant capacity37.9 LReference
Transmission
7-speed friction driveReference
TransmissionHeiderReference
Typefriction driveReference
Gears7 forward and reverseReference
The Heider friction drive transmission was an infinitely-variable transmission. Speed was selected by sliding the entire engine, which changed the contact point between the flywheel and the driving discs. Although any speed was possible, there were seven notches for the lever, effectively giving seven speeds.Reference
Dimensions
Weight2630 kgReference
Length365 cmReference
Width187 cmReference
Height243 cmReference
Links
Heider B: information at RIPC siteReference
Capacities
Diameter35 cmReference
Width17 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
