Thieman Harvester Theiman: all source data

All 21 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerThieman Harvester
(no label)Built in Albert City, Iowa, USA
(no label)The Thieman was a kit tractor sold by the Thieman Harvester Company. The kit was available with the Ford model A engine, or the buyer could supply their own Ford, General Motors, or Dodge engine. Because of the kit nature, every Thieman is unique.
Engine
(no label)Ford 3.3L 4-cyl gasoline
Transmission
(no label)3-speed gear
Power
Engine40 hp | 29.8 kW
Mechanical
(no label)Two-wheel drive
Steeringmanual
(no label)Open operator station.

Engine

Engine detail
(no label)Ford
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled
(no label)The engine from the Ford model A was available with the Thieman although other engines could be used.
Displacement201 ci | 3.3 L
Bore/Stroke3.875x4.25 inches | 98 x 108 mm
Power40 hp | 29.8 kW
Compression5.9:1
Rated RPM2200

Transmission

Transmission
Typegear
Gears3 forward and 1 reverse