Tractor-Size › New Holland › 56-66S [4135]
New Holland

New Holland 56-66S [4135] tire size

Factory tire pairs for the New Holland 56-66S [4135] (56 HP, 2WD):

  • 56 HP
  • 2WD
Rear12.4-28Front5.50-16
2WD
Rear12.4-28
Outside dia.
1,260mm
Width
315mm
Rim
28″
radial equivalent: 320/85R28 (12.4R28)
Front5.50-16
Outside dia.
710mm
Width
150mm
Rim
16″
2WD
Rear13.6-28
Outside dia.
1,310mm
Width
345mm
Rim
28″
radial equivalent: 340/85R28 (13.6R28)
Front6.00-16
Outside dia.
735mm
Width
165mm
Rim
16″
4WD
Rear13.6R28
Outside dia.
1,287mm
Width
343mm
Rim
28″
tube-type equivalent: 13.6/12-28
Front9.50-20
Outside dia.
≈991mm
Width
241mm
Rim
20″
radial equivalent: 9.5R20

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: New Holland 5666S[4135] · New Holland 56 66S [4135] · New Holland 56-66S-[4135]

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 New Holland 56-66S [4135]?

The New Holland 56-66S [4135] comes from the factory with 5.50-16 or 6.00-16 or 9.50-20 front tires.

What is the rear tire size of the New Holland 56-66S [4135]?

The New Holland 56-66S [4135] comes from the factory with 12.4-28 or 13.6-28 or 13.6R28 rear tires.

Can I fit a different tire size on the New Holland 56-66S [4135]?

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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