Following requests from visitors to this web site who are confused by the Lanz model numbering system this page attempts to provide information about this system. The information below is collated from Lanz Australia Service News of January 1958 and details provided by Lanz expert Herby Voigt to whom I am indebted.

In Europe Lanz tractors are designated by a D number such as D7506; in Australia however an alphabet letter is used based on the tractors horsepower. Consequently australian visitors to this web site have difficulty with the Lanz Pictures pages where tractors are mostly identified by their D number.

Lanz Bulldog D Numbering System

All bulldog tractors have a D number (i.e. an order number). The D is followed by 4 numbers from which the tractor model can be identified. The first two numbers indicate the horsepower of the tractor and the last two numbers indicate the version or model. The table below shows the meaning of the first two numbers for prewar bulldogs:

The last two numbers mean the following:

There were also some special models as shown in the table below:

The later model bulldogs built after the war (semi and full diesel) were designated a different series of numbers. It also appears that the numbering system was applied somewhat arbitrarily and inconsistently.

Alphabetic System used in Australia

The table below shows the alphabetic character used to designate models in Australia together with their corresponding D number and horsepower:

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