Lanz HR4 Bulldog: all source data
All 22 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Lanz |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Mannheim, Baden-Württemberg, Germany |
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| Total built | 180 |
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Engine| (no label) | Lanz 10.3L 1-cyl oil |
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Transmission| (no label) | 3-speed gear |
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Power| Engine | 28 hp | 20.9 kW |
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| Drawbar (claimed) | 22 hp | 16.4 kW |
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Mechanical| (no label) | Two-wheel drive |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Engine
Engine detail| (no label) | Lanz |
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| (no label) | oil |
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| (no label) | 1-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 628.5 ci | 10.3 L |
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| Bore/Stroke | 8.858x10.24 inches | 225 x 260 mm |
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| Power | 28 hp | 20.9 kW |
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| Cooling system | thermosyphon |
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| Rated RPM | 500 |
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Transmission
Transmission| Type | gear |
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| Gears | 3 forward and 1 reverse |
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