Hermann Lanz D 28 (TD)
Built: 1948–1/1952 · Series: D 47-Reihe
More machines from model year 1948
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Hermann Lanz D 28 (TD): water-cooled two-cylinder diesel tractor with 2,850 cc, 20.5 kW and 1,750 kg from 1948 to January 1952
Hermann Lanz of Aalen, independent of Heinrich Lanz AG in Mannheim, built medium-sized diesel tractors in the D 47 series in the late 1940s and early 1950s. The D 28, with the TD suffix, was among the somewhat more powerful versions of this series. As with comparable manufacturers of the period, the emphasis lay on simplicity and ease of repair.
Read on 3 more paragraphs
The D 28 (TD) is powered by a water-cooled two-cylinder engine of 2,850 cc, producing 28 hp, or 20.5 kW, at 1,600 rpm. At a weight of 1,750 kg, a length of 2,830 mm, a height of 1,500 mm, a width of 1,540 mm and a wheelbase of 1,760 mm, the machine reaches a top speed of 20 km/h.
With a displacement of almost 2,850 cc across only two cylinders, the engine ran with a comparatively large swept volume per cylinder, which at low engine speed delivered high torque. This design suited pulling and ploughing work on medium-sized farms. Its sturdy build also tolerated occasional overload during hard field work.
When buying, the condition of the injection pump and injectors matters, along with the radiator and water pump for leaks. The gearbox, clutch and brakes should be checked for wear, and the frame for rust; spare parts for this small and now rare manufacturer are only available through a specialist circle of collectors. The condition of seals and fuel lines, prone to hardening and cracking with age, is also worth checking.
Sources: SpecCodex-Register: Kennwerte des Modells Hermann Lanz D 28 (TD)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 28 hp (20.5 kW)correct |
| Rated speed | 1,600 rpmcorrect |
| Cylinders | 2correct |
| Displacement | 2,850 cm³correct |
| Bore | 110 mmcorrect |
| Stroke | 150 mmcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 2,830 mmcorrect |
|---|---|
| Width | 1,540 mmcorrect |
| Height | 1,500 mmcorrect |
| Wheelbase | 1,760 mmcorrect |
| Ground clearance | 375 mmcorrect |
| Unladen weight | 1,750 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 5V/1Rcorrect |
| Front tyres | 5.50 x 16correct |
| Rear tyres | 9.00 x 24correct |
| Top speed | 20 km/hcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|---|
| Units built | 215correct |
Where this model stands
Power-to-weight ratio: 11.7 kW/t (20 kW / 1.8 t)
Power class: Compact (< 40 hp)
Stronger than 15% 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 Hermann Lanz D 28 (TD) have?
The Hermann Lanz D 28 (TD) delivers 28 hp.
How much does the Hermann Lanz D 28 (TD) weigh?
The unladen weight is 1,750 kg.
What engine does the Hermann Lanz D 28 (TD) have?
2 cylinders, 2,850 cm³ displacement, Diesel.
How fast does the Hermann Lanz D 28 (TD) go?
Top speed is 20 km/h.
What are the dimensions of the Hermann Lanz D 28 (TD)?
2,830 mm × 1,540 mm × 1,500 mm.
When was the Hermann Lanz D 28 (TD) built?
Production years: 1948–1/1952.
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.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- 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.
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This page carries 22 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.
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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.
