Heinrich Lanz HN 2
4 models in this series
Heinrich Lanz HN 2 – Bulldog tractors from Mannheim, D 7500 to D 7521, horizontal single-cylinder displacing 4.8 litres, 14.6 kW at 760 rpm on multi-fuel operation
Heinrich Lanz built the HN 2 Series at its Mannheim plant; the four models D 7500, D 7506, D 7511 and D 7521 carry the same horizontal single-cylinder engine displacing 4,767 cc and rated at 14.6 kW. As with the classic Lanz Bulldog, the engine ran on multiple fuels. In 1956, John Deere took over the Mannheim works, which continue to this day as a John Deere plant. The HN 2 Series was among the smaller Bulldog series in Lanz's post-war line-up.
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The register lists here 4 versions with 14.6 kW rated output from the 4,767 cc single-cylinder at a rated speed of 760 rpm. Unladen weights range from 2,100 to 3,240 kg, length, width and height from 2,735 to 2,935 mm, 1,524 to 1,700 mm and 1,785 to 2,025 mm.
The Lanz Bulldog, with its distinctive slow-running single-cylinder, shaped the image of German agriculture for decades; the HN 2 Series, with its lower weight, was among the lighter versions for mid-sized farms. Parts and technical knowledge for the Bulldog models are still maintained today by an active collector and club scene.
When buying these Bulldog models used, check the condition of the single-cylinder and its ignition system, the tightness of the cooling and fuel systems, the clutch and gearbox, and rust on the frame and bodywork; parts are supplied by specialist Bulldog dealers.
Sources: SpecCodex register, model data: Heinrich Lanz HN 2
Models compared
4 of 4 models.
| D 75001934–5/1935 | D 75061934–1935 | D 75111934–1935 | D 75211934–1935 | |
|---|---|---|---|---|
| Power | 14.6 kW | 14.6 kW | 14.6 kW | 14.6 kW |
| Rated speed | 760 rpm | 760 rpm | 760 rpm | 760 rpm |
| Cylinders | 1 | 1 | 1 | 1 |
| Displacement | 4,767 cm³ | 4,767 cm³ | 4,767 cm³ | 4,767 cm³ |
| Top speed | 5.7 km/h | 15.2 km/h | 15 km/h | 15.9 km/h |
| Wheelbase | 1,645 mm | 1,683 mm | 1,645 mm | 1,645 mm |
| Length | 2,735 mm | 2,845 mm | 2,735 mm | 2,935 mm |
| Width | 1,524 mm | 1,598 mm | 1,610 mm | 1,700 mm |
| Height | 1,995 mm | 2,025 mm | 2,015 mm | 1,785 mm |
| Unladen weight | 2,100 kg | 2,800 kg | 3,240 kg | 3,050 kg |
Models
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
D 7500
The Heinrich Lanz D 7500 belongs to the HN 2 series. Production: 1934–5/1935. The engine delivers 20 hp (14.6 kW),...
D 7506
The HN 2 series from Heinrich Lanz includes the D 7506. Production: 1934–1935. The engine delivers 20 hp (14.6 kW),...
D 7511
The Heinrich Lanz D 7511 belongs to the HN 2 series. Production: 1934–1935. The engine delivers 20 hp (14.6 kW), has...
D 7521
With the D 7521, Heinrich Lanz offers a model from the HN 2 series. Production: 1934–1935. The engine delivers 20 hp...
