Lanz Bulldog D 9506

Lanz Bulldog D 9606
Lanz Bulldog D 9506
Overview
Type Tractor
Manufacturer Lanz Bulldog
Also called Ackerluft
Production 1934 – 1955[1]
Assembly Mannheim
Body and chassis
Related Ursus C-45
Powertrain
Engine Hot-bulb, Inline one-cylinder, 10,3 l (28 kW)
Transmission 3-speed manual
Propulsion Tyres
Dimensions
Wheelbase 2036 mm[2]
Length 3390 mm[2]
Width 1792 mm[2]
Height 2185 mm[2]
Kerb weight 3950 kg[2]
Chronology
Predecessor HR 7 series D 8506
Successor None

The Lanz Bulldog D 9506 is a tractor of the HR 8 series[3] produced by Heinrich Lanz AG in Mannheim from 1934 to 1955 with a production stop in 1945. It was produced 3817 times.[3] The tractor was sold as Ackerluft (field-air). The Ursus C-45 produced in Poland from 1947 to 1959 was an illegal copy of the D 9506.[4]

Description

The D 9506 is built using a frameless block construction. It has a rigid rear axle and a front swing axle. The front axle was available with optional leaf springs. The tractor has air filled tyres. Only the rear tyres are propelled, the D 9506 does not have a lockable differential. The gearbox is a manual Lanz 3-speed gearbox with a reverse gear and group gear switching, this makes 6 forward gears and 2 reverse gears. Minimum speed is 3,3 km/h in first gear, maximum speed is 16,7 km/h in sixth gear. The foot brake brakes the rear tyres only, the handbrake lockes the gearbox. The standard Lanz hot-bulb engine with a displacement of 10,3 l is used, it has a thermosiphon cooler. Compared to the predecessor series HR 6 and HR 7 the engine now has a better speed controller, the rated engine speed was increased from 540 min−1 to 630 min−1.[1] Many sorts of diesel oil can be used as fuel.[5] The D 9506 has an electrical system. If a starter motor is used, the lead-battery has a capacity of 94 Ah, without a starter motor the capacity is 75 Ah.[2] The Lanz factory offered additional accessory, such as a cab or fenders.[1]

Technical Data

D 9506
Production 1934–1944
1945–1955[1]
Engine Medium pressure hot-bulb engine[1]
Engine characteristics Inline one-cylinder two-stroke multifuel engine with hot-bulb, no valves, no carburettor, thermosiphon cooling system[6]
Fuel Fuel oil, Diesel fuel, Kerosene, Biodiesel[5]
Fuel injection pressure and injection time 79,45 bar, crank angle 135°[2]
Bore × Stroke, Displacement 225 mm × 260 mm,
10.338 cm³[1]
Compression 5:1[5]
Rated power at 630 min−1 28 kW[1]
Maximum power for an hour at 630 min−1 33 kW[1]
Torque at 630 min−1 500 Nm
Gearbox 3-speed manual with group gear switching (6 forward, 2 reverse gears)[2]
Propulsion Rear wheel drive
Maximum speed 16,7 km/h[2]
Fuel consumption 326 g/kWh[2]
Fuel tank capacity 90 l
Electrical power system Lead-acid battery, 12 V / 94 Ah[2]

References

  1. 1 2 3 4 5 6 7 8 fahrzeugseiten.de: Lanz HR8 - D9500, D9506, D9511, D9531 und D9539 (german)
  2. 1 2 3 4 5 6 7 8 9 10 11 heinrich-lanz.de: Lanz – Datenblatt für die Typen D 8506, D 9506 und D 1506 (german)
  3. 1 2 Siem, Gerhard: Traktoren Schlepper / Jahrbuch 2009. Page 208. October 2008. ISBN 978-3933451088 (german)
  4. ↑ Siem, Gerhard: Traktoren Schlepper / Jahrbuch 2009. Page 291. October 2008. ISBN 978-3933451088 (german)
  5. 1 2 3 lanz-diesel.de: Technische Daten (meines) LANZ BULLDOG D8506 (german)
  6. ↑ Eilbote Online: Technische Daten Lanz Bulldog D9506 - Traktor Archived 2016-03-04 at the Wayback Machine. (german)
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