Standard TreadPerformance profile
Thieman Harvester Thieman
The Thieman Harvester Thieman is a simple and sturdy tractor built for basic farming tasks. It has a 4x2 two-wheel drive chassis, which means it's best suited for flat or gently sloping fields. The tractor uses manual steering and has a gear transmission with three forward gears and one reverse gear, giving the driver good control over speed and power. Under the hood, the Thieman is powered by a Ford Model A engine. This gasoline-powered engine has four cylinders and is naturally aspirated, which means it doesn't use a turbocharger. The engine is liquid-cooled to help it run smoothly in different weather conditions. It has a displacement of 201 cubic inches, which is about average for tractors of its time. The engine can produce 40 horsepower at 2200 rpm, providing enough power for most small to medium-sized farm jobs. With its simple design and reliable Ford engine, the Thieman Harvester Thieman is a practical choice for farmers looking for a no-frills workhorse.
ManufacturerThieman HarvesterPower40 hpEngine4-cylTransGear
Image not recorded
Quick specs
- Category
- Standard Tread
- Engine Power Output
- 40hp
- Transmission
- Gear
At a glance
How the Thieman compares
vs. Standard Tread medianDistribution
Engine Power (hp)
Across all Standard Tread tractors
40 hp · 41st
This model
12
Median 45 hp
102
This modelStandard Tread tractorsMediann = 121
The Thieman ranks at the 41st percentile for engine power among recorded standard tread tractors.
Overview
About the Thieman Harvester Thieman
The Thieman Harvester Thieman is a simple and sturdy tractor built for basic farming tasks. It has a 4x2 two-wheel drive chassis, which means it's best suited for flat or gently sloping fields. The tractor uses manual steering and has a gear transmission with three forward gears and one reverse gear, giving the driver good control over speed and power. Under the hood, the Thieman is powered by a Ford Model A engine. This gasoline-powered engine has four cylinders and is naturally aspirated, which means it doesn't use a turbocharger. The engine is liquid-cooled to help it run smoothly in different weather conditions. It has a displacement of 201 cubic inches, which is about average for tractors of its time. The engine can produce 40 horsepower at 2200 rpm, providing enough power for most small to medium-sized farm jobs. With its simple design and reliable Ford engine, the Thieman Harvester Thieman is a practical choice for farmers looking for a no-frills workhorse.
Full specifications
Every recorded spec
General
| Manufacturer | Thieman Harvester |
|---|---|
| Model | Thieman |
| Category | Standard Tread tractor |
| Type | 4x2 2WD |
Engine
| Make | Ford |
|---|---|
| Model | Model A |
| Power | 40hp |
| Cylinders | 4 |
| Displacement | 201ci |
| Bore | 3.88in |
| Stroke | 4.25in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 3 |
| Reverse gears | 1 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Head to head
Thieman vs. Standard Tread median
How the Thieman Harvester Thieman compares to other Standard Tread tractors
| Spec | This model | Standard Tread median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 40 hp | 45 hp | -11% | 41st |
| Engine Displacement | 201 ci | 382 ci | -47% | 11th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 3 | 4 | -25% | 39th |
Medians and percentiles are computed from the standard tread tractors in our database with a recorded value for each spec (sample sizes 121–367 models).
Compare to tractors with similar specs
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely OilPull K 12/20 | 40 hp | 6,430 lb | — | Compare → |
| Allis Chalmers 160 | 40 hp | 4,674 lb | 1970–1975 | Compare → |
| Allis Chalmers 5040 | 40 hp | 3,858 lb | 1976–1980 | Compare → |
| Allis Chalmers 6140 | 40 hp | 4,000 lb | 1982–1985 | Compare → |
| Allis Chalmers D15 Series I | 40 hp | 3,990 lb | 1960–1963 | Compare → |
Explore
Similar-spec models
FAQ
Common questions
What is the engine power output of the Thieman Harvester Thieman?
Rated engine output for the Thieman Harvester Thieman is 40 hp, delivered by a 4-cylinder engine. The engine displaces 201 ci.
Which transmission does the Thieman Harvester Thieman use?
The Thieman Harvester Thieman is equipped with a Gear transmission with 3 forward gears.
How do I maintain a Thieman Harvester Thieman?
Routine service for the Thieman Harvester Thieman covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.