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Case IH Magnum 405 tire size

Factory tire pairs for the Case IH Magnum 405 (? HP, 4WD):

  • 4WD
Rear480/80R50Front420/85R34
4WD
Rear480/80R50
Outside dia.
2,064mm
Width
479mm
Rim
50″
Front420/85R34
Outside dia.
1,578mm
Width
418mm
Rim
34″
tube-type equivalent: 16.9/14-34

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

Also written as: Case IH Magnum405 · Case IH Magnum-405

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

4WD ratio check and other tools →

Source: tractordata.com

FAQ

What is the front tire size of the Case IH Magnum 405?

The Case IH Magnum 405 comes from the factory with 420/85R34 front tires.

What is the rear tire size of the Case IH Magnum 405?

The Case IH Magnum 405 comes from the factory with 480/80R50 rear tires.

Can I fit a different tire size on the Case IH Magnum 405?

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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