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John Deere 4040 tire size

Factory tire pairs for the John Deere 4040 (100 HP, ?):

  • 100 HP
Rear18.4-38Front9.5L-15
Rear18.4-38
Outside dia.
1,750mm
Width
467mm
Rim
38″
radial equivalent: 460/85R38 (18.4R38)
Front9.5L-15
Outside dia.
≈700mm
Width
241mm
Rim
15″

The tires on the tractor may not be original. A different size from the factory one can damage the transmission, especially on 4WD.

Take it to your tire shop: tractor-size.com

4WD ratio check and other tools →

Source: tractorcharts.com

FAQ

What is the front tire size of the John Deere 4040?

The John Deere 4040 comes from the factory with 9.5L-15 front tires.

What is the rear tire size of the John Deere 4040?

The John Deere 4040 comes from the factory with 18.4-38 rear tires.

Can I fit a different tire size on the John Deere 4040?

Equivalent sizes with a very close outside diameter can be fitted (e.g. the radial equivalent). On 4WD, a changed front/rear ratio can damage the driveline, so check it with the 4WD ratio tool first.

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