Heinrich Lanz OHG, Mannheim SZE
Built: 1907–1912 · Series: A
Lanz Traction Locomobile Type A – the SZE from Mannheim, 1907–1912
Heinrich Lanz, Germany's largest agricultural machinery maker since the 1890s, pursued the idea of self-propelled work machines until his death in 1905. In 1907, the firm Heinrich Lanz OHG in Mannheim realised this plan and began series production of traction locomobiles. The Type SZE in the Type A design was a deliberately simple construction: a towed locomobile from the existing Lanz range, fitted with a chain drive to the rear wheels that let it move itself between work sites. The SZE was built from 1907 to 1912. It marks Lanz's transition from stationary steam engines to self-propelled drives, out of which the famous Bulldog tractors later emerged.
Sources: Traktorenlexikon (Wikibooks) – Lanz Typ SZE, Wikipedia – Heinrich Lanz AG
Technical data
Engine
| Power | 15 hp (11 kW)correct |
|---|---|
| Cylinders | 1correct |
Dimensions and weights
| Unladen weight | 6,500 kgcorrect |
|---|
Drivetrain and chassis
| Front tyres | 1050 mm x 150 mmcorrect |
|---|---|
| Rear tyres | 1500 mm x 350 mmcorrect |
Where this model stands
Power-to-weight ratio: 1.7 kW/t (11 kW / 6.5 t)
Power class: Compact (< 40 hp)
Stronger than 3% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Heinrich Lanz OHG, Mannheim SZE have?
The Heinrich Lanz OHG, Mannheim SZE delivers 15 hp.
How much does the Heinrich Lanz OHG, Mannheim SZE weigh?
The unladen weight is 6,500 kg.
What engine does the Heinrich Lanz OHG, Mannheim SZE have?
1 cylinders.
When was the Heinrich Lanz OHG, Mannheim SZE built?
Production years: 1907–1912.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
We ask the suppliers and come back with price and lead time.
Request spare parts →
This page carries 6 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
Missing a figure you were looking for? Report it →
Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →
Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
