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Tümosan 6055 tire size

Factory tire pairs for the Tümosan 6055 (55 HP, 4WD):

55 HP
4WD

Rear380/85R30Front320/70R20

4WD

Rear

14.9-30

Outside dia.: 1,415mm
Width: 378mm
Rim: 30″

Original radial: 380/85R30

380/85R30

Outside dia.: 1,404mm
Width: 380mm
Rim: 30″

Front

320/70R20

Outside dia.: 983mm
Width: 319mm
Rim: 20″

No bias-ply equivalent

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 Tümosan 6055 tyre sizes mean?

380/85R30 is a radial tyre: section width 380 mm, sidewall height 85% of the width, rim diameter 30 inches. The “R” marks radial construction. Outside diameter is about 1,404 mm.

320/70R20 is a radial tyre: section width 320 mm, sidewall height 70% of the width, rim diameter 20 inches. The “R” marks radial construction. Outside diameter is about 983 mm.

In this pair the rear tyre's outside diameter is about 1.43 times the front. On 4WD tractors the front-to-rear tyre ratio must match the driveline ratio, so keep it when changing tyres.

8 other Tümosan models use the same rear size (380/85R30).

Technical data

Fuel tank: 65 L
Engine: 3 silindir 2,9 L
Weight: 3,000 kg

Values come from manufacturer or dealer sources; check the label of the existing part before buying. · Source: tumosan.com.tr

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Source: tumosan.com.tr

FAQ

What is the front tire size of the Tümosan 6055?

The Tümosan 6055 comes from the factory with 320/70R20 front tires.

What is the rear tire size of the Tümosan 6055?

The Tümosan 6055 comes from the factory with 380/85R30 rear tires.

Can I fit a different tire size on the Tümosan 6055?

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.

How big is the Tümosan 6055 fuel tank?

The Tümosan 6055 fuel tank holds 65 litres.