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420/85R28 BKT A-MAX RT-855 TL

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  • Replaces 16.9R28
  • D1425; RC4214; 139A8/B
  • 420/85R28 BKT A-MAX RT-855 TL


The AGRIMAX RT855 is an 85 series tractor tyre from BKT. The AGRIMAX RT855 tyre is available in many sizes including 420/85R28 which replaces 16.9R28. The load/speed index for this AGRIMAX RT855 420/85R28 tyre is 139A8/B which means it can carry a maximum load of 2430kg while travelling at a speed of between 40 and 50km/h.

The AGRIMAX RT855 tyre is a radial tyre designed to provide a higher load capacity than the standard series. It has excellent flotation characteristics which ensures minimum impact on soil fertility. The tread pattern and the carcass of the AGRIMAX RT855 tyre guarantee optimum traction, self-cleaning and driving comfort, qualities that last longer, thanks to even tread wear. The combination of the number of lugs, their design and their configuration (particularly well separated in the central section), guarantees the perfect balance between performance at work and respect for crops. In addition, the rubber compounds and carcass of the AGRIMAX RT855 tyre provide maximum durability with no consequence from fatigue.

Additional Information

Brand BKT
Tyre Size 420/85R28
Tread Pattern AGRIMAX RT-855
Radial/Crossply Radial
Tyre Width 420
Aspect Ratio (%) 85
Rim Diameter 28
Tube Type (TT) / Tube Less (TL) TL
Overall Diameter 1425
Rolling Circumference 4214
Ply Rating No
Load/Speed Index 139A8/B
Recommended Rim Size 15
Alternative Rim Size 1 13
Alternative Rim Size 2 14
Weight (kg) 102.76
Technical Data Chart (pdf) Click to Download