RADIAL DEEP TREAD 23° Tire

Harvest, Tractor

[R-1W] Firestone's Radial Deep Tread 23° Tire features the proven 23-degree tread design in an R-1W tread depth for improved wet traction. Twenty-three-degree tread gives the tire a deep bite and long life and helps reduce slippage.

Specialized Features

FEATURES & BENEFITS

23° TREAD BARS: More of the bar grips the surface, making it ideal for farmers looking for increased traction while more efficiently transferring horsepower to the ground, saving both time and fuel
R-1W LUG DEPTH: Approximately 25% deeper in the center compared with standard R-1 tread, offering traction in a variety of soil conditions
REINFORCED LUG DESIGN: Ideal for high-horsepower tractors

Specifications

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Metric

Details

Equipment: Harvest
Technology: Radial
Article Number: 921
Size: IF520/85R42CFO
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 21.8 554
Overall Diameter (in) (mm): 76.2 1935
Static Loaded Radius (in) (mm): 34.4 874
Rolling Circumference (in) (mm): 228 5791
Tread Depth (32nds) (mm): 69 54.8
Plate (in²) (cm²): 452 2916
Max Load and Inflation (lbs & psi) (kg & kPa): 12800 @ 35 5818 @ 240
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 360090
Size: 480/80R50
Ply Rating
Rim Diameter (in) (mm): 50 1270
Width (in) (mm): 18.8 478
Overall Diameter (in) (mm): 80.5 2045
Static Loaded Radius (in) (mm): 37 940
Rolling Circumference (in) (mm): 243 6172
Tread Depth (32nds) (mm): 63 50
Plate (in²) (cm²): 380 2452
Max Load and Inflation (lbs & psi) (kg & kPa): 9650 @ 35 4386 @ 241
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 362409
Size: 480/80R42
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 18.6 472
Overall Diameter (in) (mm): 73.1 1857
Static Loaded Radius (in) (mm): 33.5 851
Rolling Circumference (in) (mm): 218 5537
Tread Depth (32nds) (mm): 63 50
Plate (in²) (cm²): 360 2323
Max Load and Inflation (lbs & psi) (kg & kPa): 7600 @ 23 3455 @ 159
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 362766
Size: 520/85R38
Ply Rating
Rim Diameter (in) (mm): 38 965
Width (in) (mm): 20.3 516
Overall Diameter (in) (mm): 72.6 1844
Static Loaded Radius (in) (mm): 32.6 828
Rolling Circumference (in) (mm): 215 5461
Tread Depth (32nds) (mm): 69 54.7
Plate (in²) (cm²): 410 2645
Max Load and Inflation (lbs & psi) (kg & kPa): 8550 @ 23 3886 @ 159
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 362851
Size: 520/85R46
Ply Rating
Rim Diameter (in) (mm): 46 1168
Width (in) (mm): 20.3 516
Overall Diameter (in) (mm): 80.9 2055
Static Loaded Radius (in) (mm): 36.6 930
Rolling Circumference (in) (mm): 242 6147
Tread Depth (32nds) (mm): 64 54.7
Plate (in²) (cm²): 466 3006
Max Load and Inflation (lbs & psi) (kg & kPa): 9350 @ 23 4250 @ 159
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 362987
Size: 650/85R38
Ply Rating
Rim Diameter (in) (mm): 38 965
Width (in) (mm): 27 686
Overall Diameter (in) (mm): 80.5 2045
Static Loaded Radius (in) (mm): 36 914
Rolling Circumference (in) (mm): 242 6147
Tread Depth (32nds) (mm): 70 55.5
Plate (in²) (cm²): 550 3548
Max Load and Inflation (lbs & psi) (kg & kPa): 14300 @ 35 6500 @ 241
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 364058
Size: 480/80R42
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 18.6 472
Overall Diameter (in) (mm): 73.1 1857
Static Loaded Radius (in) (mm): 33.5 851
Rolling Circumference (in) (mm): 218 5537
Tread Depth (32nds) (mm): 63 50
Plate (in²) (cm²): 360 2323
Max Load and Inflation (lbs & psi) (kg & kPa): 8250 @ 29 3750 @ 200
Tubeless/Tubetype: TUBELESS

Equipment: Tractor
Technology: Radial
Article Number: 374496
Size: IF480/80R50
Ply Rating
Rim Diameter (in) (mm): 50 1270
Width (in) (mm): 18.45 469
Overall Diameter (in) (mm): 80.45 2043
Static Loaded Radius (in) (mm): 36.8 935
Rolling Circumference (in) (mm): 243 6172
Tread Depth (32nds) (mm): 63 50
Plate (in²) (cm²): 431 2781
Max Load and Inflation (lbs & psi) (kg & kPa): 11700 @ 35 5318 @ 241
Tubeless/Tubetype: TUBELESS

Equipment: Harvest
Technology: Radial
Article Number: 380446
Size: IF1250/50R32CFO
Ply Rating
Rim Diameter (in) (mm): 32 813
Width (in) (mm): 49.4 1255
Overall Diameter (in) (mm): 81.2 2062
Static Loaded Radius (in) (mm): 35.9 912
Rolling Circumference (in) (mm): 244 6198
Tread Depth (32nds) (mm): 74 58
Plate (in²) (cm²): 1013 6535
Max Load and Inflation (lbs & psi) (kg & kPa): 32000 @ 46 14545 @ 317
Tubeless/Tubetype: TUBELESS

Equipment: Harvest
Technology: Radial
Article Number: 382452
Size: 580/85R42
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 22.7 577
Overall Diameter (in) (mm): 80.9 2055
Static Loaded Radius (in) (mm): 34.5 876
Rolling Circumference (in) (mm): 228 5791
Tread Depth (32nds) (mm): 71 56.4
Plate (in²) (cm²): 440 2839
Max Load and Inflation (lbs & psi) (kg & kPa): 11700 @ 29 5318 @ 200
Tubeless/Tubetype: TUBELESS

Equipment: Harvest
Technology: Radial
Article Number: 4469
Size: IF850/75R42CFO
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 33.5 851
Overall Diameter (in) (mm): 92.2 2342
Static Loaded Radius (in) (mm): 39.5 1003
Rolling Circumference (in) (mm): 272 6909
Tread Depth (32nds) (mm): 78 61.7
Plate (in²) (cm²): 872 5626
Max Load and Inflation (lbs & psi) (kg & kPa): 20900 @ 23 9500 @ 160
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 7123
Size: VF580/85R42CFO
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 23.05 585
Overall Diameter (in) (mm): 81.1 2060
Static Loaded Radius (in) (mm): 35.6 904
Rolling Circumference (in) (mm): 242 6147
Tread Depth (32nds) (mm): 72 57.2
Plate (in²) (cm²): 561 3619
Max Load and Inflation (lbs & psi) (kg & kPa): 19300 @ 41 8750 @ 280
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 7493
Size: VF480/80R50
Ply Rating
Rim Diameter (in) (mm): 50 1270
Width (in) (mm): 18.45 469
Overall Diameter (in) (mm): 80.45 2043
Static Loaded Radius (in) (mm): 36.14 918
Rolling Circumference (in) (mm): 242 6147
Tread Depth (32nds) (mm): 63 50
Plate (in²) (cm²): 461 2974
Max Load and Inflation (lbs & psi) (kg & kPa): 13600 @ 35 6150 @ 240
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 8680
Size: VF520/85R46
Ply Rating
Rim Diameter (in) (mm): 46 1168
Width (in) (mm): 21.5 546
Overall Diameter (in) (mm): 79.9 2029
Static Loaded Radius (in) (mm): 34.9 886
Rolling Circumference (in) (mm): 242 6147
Tread Depth (32nds) (mm): 69 55.1
Plate (in²) (cm²): 587 3787
Max Load and Inflation (lbs & psi) (kg & kPa): 13200 @ 23 6000 @ 160
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 9316
Size: 520/85R42
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 21.05 535
Overall Diameter (in) (mm): 76.81 1951
Static Loaded Radius (in) (mm): 32.1 815
Rolling Circumference (in) (mm): 228 5791
Tread Depth (32nds) (mm): 69 55
Plate (in²) (cm²): 396 2555
Max Load and Inflation (lbs & psi) (kg & kPa): 11400 @ 41 5150 @ 280
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 9318
Size: VF520/85R42CFO
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 20.65 525
Overall Diameter (in) (mm): 76.45 1942
Static Loaded Radius (in) (mm): 33.99 863
Rolling Circumference (in) (mm): 227 5766
Tread Depth (32nds) (mm): 69 55
Plate (in²) (cm²): 504 3252
Max Load and Inflation (lbs & psi) (kg & kPa): 16100 @ 41 7300 @ 280
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 9320
Size: 520/85R42
Ply Rating
Rim Diameter (in) (mm): 42 1067
Width (in) (mm): 21.05 535
Overall Diameter (in) (mm): 76.8 1951
Static Loaded Radius (in) (mm): 34.5 876
Rolling Circumference (in) (mm): 228 5791
Tread Depth (32nds) (mm): 69 55
Plate (in²) (cm²): 402 2594
Max Load and Inflation (lbs & psi) (kg & kPa): 9100 @ 23 4125 @ 160
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 10051
Size: VF480/80R46
Ply Rating
Rim Diameter (in) (mm): 46 1168
Width (in) (mm): 18.85 479
Overall Diameter (in) (mm): 76.45 1942
Static Loaded Radius (in) (mm): 34.55 878
Rolling Circumference (in) (mm): 231 5867
Tread Depth (32nds) (mm): 62 50
Plate (in²) (cm²): 459 2961
Max Load and Inflation (lbs & psi) (kg & kPa): 12800 @ 35 5800 @ 240
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 11479
Size: VF480/95R50
Ply Rating
Rim Diameter (in) (mm): 50 1270
Width (in) (mm): 18.25 464
Overall Diameter (in) (mm): 85.8 2179
Static Loaded Radius (in) (mm): 37.76 959
Rolling Circumference (in) (mm): 257 6528
Tread Depth (32nds) (mm): 73 58
Plate (in²) (cm²): 566 3652
Max Load and Inflation (lbs & psi) (kg & kPa): 13200 @ 23 6000 @ 160
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 9138
Size: 480/80R46
Ply Rating
Rim Diameter (in) (mm): 46 1168
Width (in) (mm): 19.05 484
Overall Diameter (in) (mm): 76.45 1942
Static Loaded Radius (in) (mm): 35.54 903
Rolling Circumference (in) (mm): 231 5867
Tread Depth (32nds) (mm): 63 50
Plate (in²) (cm²): 356 2297
Max Load and Inflation (lbs & psi) (kg & kPa): 9350 @ 35 4250 @ 240
Tubeless/Tubetype: TUBELESS

Equipment
Technology: Radial
Article Number: 12318
Size: IF1250/50R32CFO
Ply Rating
Rim Diameter (in) (mm): 32 813
Width (in) (mm): 49.4 1255
Overall Diameter (in) (mm): 81.2 2062
Static Loaded Radius (in) (mm): 35.11 892
Rolling Circumference (in) (mm): 241 6121
Tread Depth (32nds) (mm): 74 58
Plate (in²) (cm²): 1010 6516
Max Load and Inflation (lbs & psi) (kg & kPa): 26800 @ 35 12150 @ 240
Tubeless/Tubetype: TUBELESS

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