Theiman

Explore the specifications, hardware, and original references for the Thieman Harvester Theiman.

Thieman Tractor (1) — Tamanoeconomico, CC BY-SA 4.0. Resized; converted to WebP. · Tamanoeconomico · CC BY-SA 4.0 commons.wikimedia.org source ↗

40hp

Source index power

2WD Only

Drive

1936–1942

Production years

Thieman Harvester

Manufacturer

Theiman / 01

At a glance

Production

Built in Albert City, Iowa, USA

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.

Manufacturer: Thieman Harvester

Mechanical

Two-wheel drive

Open operator station.

Steering: manual

Theiman / 02

Under the hood

Engine Detail

Ford

gasoline

4-cylinder

liquid-cooled

The engine from the Ford model A was available with the Thieman although other engines could be used.

Displacement: 201 ci3.3 L
Bore Stroke: 3.875x4.25 inches98 x 108 mm
Power: 40 hp29.8 kW
Compression Ratio: 5.9:1
Rated Rpm: 2200
Fuel Type: gasoline
Cylinders: 4
Cooling: liquid-cooled

Theiman / 03

Gears & controls

Transmission

Transmission Type: gear
Gears: 3 forward and 1 reverse

Theiman / 04