Lanz HM8
Power
8 hp
Production
1923-1925
Engine
1-cylinder
Transmission
Gear
Weight
2760 lbs [1251 kg]
Drive
2WD
Introduction
Lanz HM8: Historical Overview
The Lanz HM8 is a historical tractor model produced between 1923 and 1925 in Mannheim, Germany. As an early example of agricultural mechanization, it represents the engineering standards and design philosophy of its era.
Engine and Performance
The tractor is powered by a single-cylinder, liquid-cooled engine designed to run on kerosene. It features a displacement of 233.1 cubic inches (3.8 liters) with a bore and stroke of 160 x 190 mm. The engine produces 8 horsepower (6.0 kW) at a rated speed of 500 RPM, providing the necessary torque for the tasks of that period.
Drive System and Transmission
The HM8 utilizes a unique propulsion method rather than a conventional gearbox. A drive chain connects the engine directly to the rear axle. To achieve reverse motion, the operator must stop the engine and restart it in the opposite direction of rotation.
Mechanical Configuration
The machine is built as a two-wheel drive tractor with manual steering. The operator operates the vehicle from an open station, consistent with the design practices of the 1920s. The total weight of the unit is 2,760 lbs (1,251 kg).
Conclusion
The Lanz HM8 is primarily of interest to collectors and historians of agricultural technology. Its direct-drive chain system and reversible engine operation highlight the mechanical ingenuity and simplicity of early 20th-century tractor design.
Production Information of Lanz, HM8
- Built in Mannheim, Baden-Württemberg, Germany
| Manufacturer | Lanz |
|---|
Dimension and Tires Information of Lanz, HM8
| Weight | 2760 lbs [1251 kg] |
|---|
Engine Specifications of Lanz, HM8
- Lanz
- Liquid-cooled
- Kerosene
- 1-cylinder
| Power | 8 hp [6.0 kW] |
|---|---|
| Displacement | 233.1 ci [3.8 L] |
| Rated RPM | 500 |
| Bore/Stroke | 6.30x7.48 inches [160 x 190 mm] |
Transmission Information of Lanz, HM8
Transmission variants 1
- The Lanz HM8 did not have transmission in the typical sense. A drive chain from the engine directly powered the rear axle. To move the tractor in reverse the engine would be re-started in the opposite rotation direction.
| Type | Gear |
|---|---|
| Gears | 1 forward and reverse |
Mechanical Specs of Lanz, HM8
- Two-wheel drive
- Manual steering
- Open operator station.
Power Information of Lanz, HM8
| Engine | 8 hp [6.0 kW] |
|---|
Where it sits
With 8 HP, the Lanz HM8 sits just below D1106 (11 HP) in Lanz's range. Its power puts it in the 1th percentile of 1920s models in our database (181 machines).
Frequently asked questions
How much horsepower does the Lanz HM8 have?
The Lanz HM8 delivers 8 HP.
What years was the Lanz HM8 produced?
The Lanz HM8 was produced in 1923-1925.
What engine does the Lanz HM8 have?
The Lanz HM8 is powered by a 1-cylinder engine.
What transmission does the Lanz HM8 use?
The Lanz HM8 uses a Gear transmission.
How much does the Lanz HM8 weigh?
The Lanz HM8 weighs 2760 lbs [1251 kg].
Is the Lanz HM8 4WD?
The Lanz HM8 is available in 2WD.