420/85R28 – tyre pressure and load tables

Tyre pressure for 420/85R28: 20 tyres in this size from 13 manufacturers, 14 of them with the manufacturer's verified load and pressure table. At 40 km/h the tables give a maximum load of 2430–2800 kg per tyre, depending on model and load index. Pick the pressure from the load per tyre and speed on each tyre page.

Tyre	Load index	Diameter	Max load in table
Alliance Agri Star II	139D	1430 mm	2450 kg at 1.4 bar, 40 km/h
Alliance Agri Star II	139D/144A6	1440 mm	no verified table
Alliance Farmpro II	139A8/139B	1420 mm	no verified table
Alliance Farmpro II	139D	1420 mm	no verified table
BKT Agrimax Elos	139A8	1467 mm	2430 kg at 1.6 bar, 40 km/h
BKT Agrimax RT 855	139A8	1425 mm	2430 kg at 1.6 bar, 40 km/h
BKT RT 857	139A8	1425 mm	2430 kg at 1.6 bar, 40 km/h
Bridgestone VX-Tractor	139A8	1425 mm	no verified table
CEAT Farmax R85	139D/142A8	1425 mm	2660 kg at 1.6 bar, 40 km/h
Continental Tractor85	139A8/136B	1430 mm	2430 kg at 1.6 bar, 40 km/h
Firestone Performer 85 Extra	139D/136E	1430 mm	2665 kg at 1.6 bar, 40 km/h
Firestone Performer 85 Extra	144A8/144B	1430 mm	2800 kg at 2.4 bar, 40 km/h
Firestone R1085	139A8/136B	1420 mm	2430 kg at 1.6 bar, 40 km/h
Goodyear Optitrac	139A8	1425 mm	no verified table
Kleber Traker	144A8/141B	1435 mm	2800 kg at 2.4 bar, 40 km/h
Michelin AgriBib 2	144A8/144B	1419 mm	2800 kg at 2.4 bar, 40 km/h
Mitas AC 85	139A8/139B	1431 mm	2430 kg at 1.6 bar, 40 km/h
Titan AgraFLEX	139A8	1425 mm	no verified table
Trelleborg TM600	139A8/136B	1425 mm	2430 kg at 1.6 bar, 40 km/h
Vredestein Traxion 85 II	139A8/139B	1415 mm	2430 kg at 1.6 bar, 40 km/h

Values come from the manufacturers' published load and pressure tables and are only shown where the table is verified. Open a tyre for the full table. See disclaimer.

Size equivalent in the tyre data: ≈ 16.9R28, ≈ 16.9x28