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STT Pro

Cooper STT Pro



Put through its paces by Cooper Tires engineers across more than 1,000,000kms of testing throughout Australia's harshest terrains, the STT PRO delivers unprecedented traction and performance off-road without sacrificing its on-road capabilities.



The STT Pro was punished through countless outback terrains from the Strezelecki Track, through Cordillo Downs in the Simpson Desert Region, and up to the Gibb River Road through the Kimberley region.



Test data was taken back to America to create the next generation mud tyre. It's this constant improvement, over many years, developing technology that puts Cooper generations ahead of its rivals.

Cooper STT Pro

Size Approved Ply OD mm Load Index Tread
Rim Width Depth (mm)
Light Truck Construction
30/9.5R15 6.50-8.50 6 751 104Q 15.2
31/10.5R15 7.00-9.00 6 781 109Q 15.8
32/11.5R15 8.00-10.00 6 802 113Q 15.8
33/12.5R15 8.50-11.00 6 831 108Q 16.6
35/12.5R15 8.50-11.00 6 878 113Q 16.6
305/70R16 8.00-9.50 10 838 124Q 15.4
225/75R16 6.00-7.00 10 749 115Q 14.2
245/75R16 6.50-8.00 10 780 120Q 14.3
265/75R16 7.00-8.00 10 810 123Q 14.8
285/75R16 7.50-9.00 10 838 126Q 15.1
315/75R16 8.00-11.00 10 877 127Q 16.2
235/85R16 6.00-7.50 10 810 120Q 14.3
37/12.5R17 8.50-11.00 8 934 124Q 17.5
37/13.5R17 8.50-11.00 10 934 121Q 17.5
305/65R17 8.50-11.00 10 830 121Q 16.6
265/70R17 7.00-8.50 10 811 121Q 14.8
285/70R17 7.50-9.00 10 839 121Q 15.2
315/70R17 8.00-11.00 10 878 121Q 16.6
305/60R18 8.50-11.00 10 830 121Q 16.6
275/65R18 7.50-9.00 10 820 123Q 15.1
285/65R18 8.00-10.00 10 836 125Q 15.1
275/70R18 7.00-8.50 10 846 125P 16
305/70R18 8.50-10.00 10 891 126Q 16.6
305/55R20 8.50-11.00 10 851 121Q 16.4
275/65R20 7.50-9.50 10 876 126Q 15.2
35/12.5R20 8.50-11.00 10 881 121Q 16.6