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Allis Chalmers D15 Tractor Parts

About the Allis-Chalmers D15

The D15 replaced the D14 in 1960 and carried the compact D Series design into the 1960s. Early D15 tractors used a four-cylinder engine available in gasoline, LP gas, or diesel versions, with more power and an eight-speed transmission option.

There are two main versions to keep in mind: Series I was built from 1960 through 1962, and Series II from 1963 through 1968. Series II tractors received larger gas and LP engines, a dry air cleaner, headlights moved to the rear fenders, and updated hood decals. These changes are why the model year and serial number should be checked before ordering a D15 part.

Serial Number Reference

Serial number locations: On Series I tractors, the tractor serial number is stamped at the left front end of the torque housing. The gasoline engine serial number is on the rear left-hand side behind the carburetor, and the diesel engine serial number is on the top left-hand side of the engine block. On Series II tractors, the tractor serial number is stamped into the flange where the engine and transmission meet on the left side; gasoline engine numbers are at the rear left-hand side near the carburetor, and diesel numbers are on the top left-hand side of the cylinder block.

The table below shows the beginning tractor serial number for each Model D15 year and series:

 

1960-1962
Model D15 year Beginning serial number
1960 - Series I 1,001
1961 - Series I 1,900
1962 - Series I 6,470
1963-1965
Model D15 year Beginning serial number
1963 - Series II 13,001
1964 - Series II 16,928
1965 - Series II 19,681
1966-1968
Model D15 year Beginning serial number
1966 - Series II 21,375
1967 - Series II 23,734
1968 - Series II 25,127

Total production: 7,169 Model D15 tractors: 6,212 gas/LP and 957 diesel.

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