Tractor-Size › New Holland › T7.175
New Holland

New Holland T7.175 tire size

Factory tire pairs for the New Holland T7.175 (140 HP, 4WD):

  • 140 HP
  • 4WD
Rear520/85R38Front420/85R28
4WD
Rear
20.8-38
Outside dia.
1,836mm
Width
545mm
Rim
38″
Original radial: 520/85R38
520/85R38
Outside dia.
1,849mm
Width
516mm
Rim
38″
Front
16.9-28
Outside dia.
1,435mm
Width
429mm
Rim
28″
Original radial: 420/85R28
420/85R28
Outside dia.
1,425mm
Width
418mm
Rim
28″

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

What do the New Holland T7.175 tyre sizes mean?

520/85R38 is a radial tyre: section width 520 mm, sidewall height 85% of the width, rim diameter 38 inches. The “R” marks radial construction. Outside diameter is about 1,849 mm.

420/85R28 is a radial tyre: section width 420 mm, sidewall height 85% of the width, rim diameter 28 inches. The “R” marks radial construction. Outside diameter is about 1,425 mm.

In this pair the rear tyre's outside diameter is about 1.3 times the front. On 4WD tractors the front-to-rear tyre ratio must match the driveline ratio, so keep it when changing tyres.

3 other New Holland models use the same rear size (520/85R38).

Read more: How to read a tyre size · 4WD front–rear tyre ratio · Tractor tyre pressure

Also written as: New Holland T7175 · New Holland T7 175 · New Holland T7-175

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

4WD ratio check and other tools →

Source: newholland.com.tr

FAQ

What is the front tire size of the New Holland T7.175?

The New Holland T7.175 comes from the factory with 420/85R28 front tires.

What is the rear tire size of the New Holland T7.175?

The New Holland T7.175 comes from the factory with 520/85R38 rear tires.

Can I fit a different tire size on the New Holland T7.175?

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.

Other New Holland models

All makes

⚠️ Is this size wrong? Report it
Was this useful?Can't find your model or size? Tell us and we'll add it →