Thieman Harvester Theiman Tractor

Manufacturer Thieman Harvester
Price -
Model Theiman
Equipment Type -
Factory Albert City, Iowa, USA

THIEMAN HARVESTER THEIMAN POWER

Engine 40 hp/29.8 kW

ENGINE DETAIL

The Thieman Harvester features a Ford 4-cylinder gasoline engine with a displacement of 201 ci (3.3 L) and a compression ratio of 5.9:1, producing 40 hp at 2200 RPM, making it suitable for lighter agricultural tasks. Its bore and stroke dimensions (3.875x4.25 inches) indicate a relatively long-stroke design, which can enhance torque but may limit higher RPM efficiency. The ability to interchange engines provides flexibility in power sourcing, though potential compatibility issues may arise depending on the chosen alternative engine, affecting performance and serviceability.

Description 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 ci/3.3 L
Bore/Stroke 3.875x4.25 inches/98 x 108 mm
Power 40 hp/29.8 kW
Compression 5.9:1
Rated RPM 2200

THIEMAN HARVESTER THEIMAN ENGINE

The Thieman Harvester equipped with a Ford 3.3L 4-cylinder gasoline engine offers a balance of power and efficiency, making it suitable for light to moderate agricultural tasks. The gasoline engine delivers smooth operation with lower torque compared to diesel alternatives, which may impact heavy-duty performance but provide easier maintenance and lower initial costs. Ideal for smaller farms or specialized harvesting applications, operators should be mindful of fuel consumption relative to workload demands.

Description Ford 3.3L 4-cyl gasoline

TRANSMISSION

The Thieman Harvester equipped with a 3-forward and 1-reverse gear configuration allows for enhanced maneuverability in tight spaces, making it suitable for various agricultural tasks. The limited gear ratio may pose challenges in achieving high-speed operations but excels in providing torque for heavy loads. Ideal for scenarios requiring precision handling, such as row cropping or small-scale harvesting, it may not be the best fit for large fields requiring fast travel.

Type gear
Gears 3 forward and 1 reverse

MECHANICAL

The Thieman Harvester with a 4x2 2WD chassis offers simpler mechanics and lower maintenance needs but may struggle in traction on uneven terrains. The manual steering allows for direct control but can be physically demanding on extended operations. A 3-speed gear transmission provides basic versatility for various tasks, yet may limit operational efficiency compared to models with advanced transmission systems.

Chassis 4x2 2WD
Steering manual
Cab Open operator station.
Transmission 3-speed gear


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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