Tractor · 1928Unverified
Lanz HR4 Bulldog
Lanz HR4 Bulldog — Standard-tread tractor · 28 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
28 hp
Hover a source tag to verify
Overview
ManufacturerLanzReference
Standard-tread tractorReference
Built in Mannheim, Baden-Württemberg, GermanyReference
Total built180Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
Lanz 10.3L 1-cyl oilReference
Engine20.9 kWReference
Drawbar (claimed)16.4 kWReference
LanzReference
oilReference
1-cylinderReference
liquid-cooledReference
Displacement10.3 LReference
Bore/Stroke225 x 260 mmReference
Power20.9 kWReference
Cooling systemthermosyphonReference
Rated RPM500Reference
Transmission
3-speed gearReference
TypegearReference
Gears3 forward and 1 reverseReference
HR4 Serial Numbers
192875001Reference
Final75180Reference
FAQ: How to read a serial number table.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.