420/85R34 is a radial tyre: section width 420 mm, sidewall height 85% of the width, rim diameter 34 inches. The “R” marks radial construction. Outside diameter is about 1,578 mm.

340/85R24 is a radial tyre: section width 340 mm, sidewall height 85% of the width, rim diameter 24 inches. The “R” marks radial construction. Outside diameter is about 1,188 mm.

460/85R30 is a radial tyre: section width 460 mm, sidewall height 85% of the width, rim diameter 30 inches. The “R” marks radial construction. Outside diameter is about 1,544 mm.

340/85R38 is a radial tyre: section width 340 mm, sidewall height 85% of the width, rim diameter 38 inches. The “R” marks radial construction. Outside diameter is about 1,540 mm.

In this pair the rear tyre's outside diameter is about 1.33 times the front. On 4WD tractors the front-to-rear tyre ratio must match the driveline ratio, so keep it when changing tyres.

16 other Başak models use the same rear size (420/85R34).

Technical data

Fuel tank: 120 L
Engine: 4 silindir 3,456 L
Weight: 4,060 kg

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

Also written as: Başak 4105 Safkan · Başak 4105Safkan · Başak 4105-Safkan

Share on WhatsApp

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

4WD ratio check and other tools →

Source: basaktraktor.com.tr (broşür)

FAQ

What is the front tire size of the Başak 4105 Safkan (Stage IIIA)?

The Başak 4105 Safkan (Stage IIIA) comes from the factory with 340/85R24 front tires.

What is the rear tire size of the Başak 4105 Safkan (Stage IIIA)?

The Başak 4105 Safkan (Stage IIIA) comes from the factory with 420/85R34 or 460/85R30 or 340/85R38 rear tires.

Can I fit a different tire size on the Başak 4105 Safkan (Stage IIIA)?

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 Başak 4105 Safkan (Stage IIIA) fuel tank?

The Başak 4105 Safkan (Stage IIIA) fuel tank holds 120 litres.