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Hermann Lanz D-Reihe

39 models in this series

The D-Reihe series from Hermann Lanz comprises 39 models. Rated output ranges from 14 to 55 hp.

Hermann Lanz Aulendorf D series – not the Bulldog: air-cooled tractors from Upper Swabia, 1949–1967

The D series from Hermann Lanz of Aulendorf is often confused with the Lanz Bulldogs from Mannheim – wrongly, because apart from the name the two companies have nothing in common. After the war the Upper Swabian firm built its own tractors with bought-in air-cooled diesel engines, mostly from MWM, and sold them mainly to small farms in southern Germany and Austria; the 'Austria-Diesel' in the register is one such export version.

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The type designation is consistent: D for diesel, the number roughly the power class – from the small D 12 and D 15 to the D 240 and D 245 of the 1960s. The suffix S marks improved versions, AE an equipment level. In the register the models run from 8.8 to 43.9 kW, from 905 to 3,400 cm³ with one to four cylinders and from 1,120 to 3,950 kg unladen; top speeds lie between 16.5 and 29.8 km/h.

The production periods of the individual models are recorded in the register to the month – a sign of the small batches and frequent model changes of a mid-sized maker that ended tractor production in 1967.

For collectors rarity counts; for condition, engine bearings, the cooling blower and the often simple gearboxes are decisive. Spare parts are available through the MWM engine connection and a small but active enthusiast scene.

Sources: SpecCodex register, model data: Hermann Lanz D-Reihe, Hermann Lanz Aulendorf (Wikipedia)

Models compared

12 of 39 models.

	Austria-Diesel11/1955–7/1957	D 125/1953–4/1954	D 12 S (AE)11/1954–6/1958	D 12010/1954–2/1956	D 13006/60–07/61	D 13811/1962–06/1967	D 14 S9/1949–12/1949	D 1459/1963–10/1963	D 15 (AE)5/1955–3/1958	D 2006/53–04/56	D 21508/54–06/57	D 2388/1963–1/1964
Power	10.2 kW	8.8 kW	9 kW	14.6 kW	22 kW	27.8 kW	10.2 kW	32.9 kW	11.4 kW	14.6 kW	11 kW	27.8 kW
Rated speed	2,400 rpm	1,980 rpm	1,750 rpm	1,600 rpm	2,000 rpm	1,660 rpm	1,500 rpm	2,000 rpm	1,980 rpm	1,600 rpm	1,580 rpm	1,660 rpm
Cylinders	2	1	1	1	2	3	1	3	1	1	1	3
Displacement	1,020 cm³	905 cm³	1,075 cm³	1,480 cm³	2,164 cm³	3,246 cm³	1,180 cm³	3,246 cm³	1,082 cm³	1,480 cm³	1,180 cm³	3,246 cm³
Top speed	20 km/h	20 km/h	20 km/h	20 km/h	19 km/h	20 km/h	16.5 km/h	20 km/h	20 km/h	20.9 km/h	20 km/h	20 km/h
Wheelbase	1,620 mm	1,620 mm	1,620 mm	1,700 mm	1,900 mm	2,100 mm	1,700 mm	2,100 mm	1,700 mm	1,620 mm	1,700 mm	2,100 mm
Length	2,550 mm	2,500 mm	2,500 mm	2,730 mm	3,100 mm	3,300 mm	2,650 mm	3,500 mm	2,650 mm	2,500 mm	2,650 mm	3,300 mm
Width	1,500 mm	1,500 mm	1,500 mm	1,500 mm	1,550 mm	1,580 mm	1,500 mm	1,700 mm	1,500 mm	1,500 mm	1,500 mm	1,580 mm
Height	1,220 mm	1,800 mm	1,220 mm	1,330 mm	1,350 mm	1,330 mm	1,280 mm	1,380 mm	1,280 mm	1,300 mm	1,280 mm	1,330 mm
Unladen weight	1,120 kg	1,170 kg	1,170 kg	1,375 kg	1,665 kg	1,870 kg	1,300 kg	2,160 kg	1,220 kg	1,350 kg	1,220 kg	1,870 kg

Hermann Lanz D-Reihe

Hermann Lanz Aulendorf D series – not the Bulldog: air-cooled tractors from Upper Swabia, 1949–1967

Models compared

Models

Tractor in 3D section

Austria-Diesel

D 115

D 12

D 12 S (AE)

D 120

D 130

D 138

D 14 S

D 145

D 15 (AE)

D 20

D 215

D 238

D 240

D 245

D 248

D 255

D 255 A

D 260 A

D 260 Obst

D 28 (KDW)

D 30

D 340 A

D 40

D 416

D 434

D 438 Export

D 47 (KD)

D 527

D 532

D 540

D 542 Obst

D 548 S

D 634

D 634 L

D 648 Allrad

D36

S 18

S 24