Best price guarantee 

Free tire replacement coverage 

24/7 roadside assistance 

Easy returns 

Early Bird Deals
Early Bird Deals

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8

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3

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20

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28

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Astro
Rims not included with purchase of tires

Astro TR-21

Oversized tire

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Starting at $490.99

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Best price guaranteeWe'll match it

  • SimpleScore™

    Our proprietary rating system
    for the modern tire buyer.

    7.0

    Good

    Score breakdown:

    7.0

    Long lasting

    Good

    7.3

    Durability

    Good

    7.0

    Traction

    Good

  • Ships via Freight
    Due to size this item may take a few extra days to deliver

Professional tire installation near you.

We’ll ship your tires directly to the shop.

The SimpleTire promise

Best price guarantee

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Free tire replacement coverage

Save your wallet from road hazards like nails.

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24/7 roadside assistance

Get help when you need it the most.

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Easy returns

Don't like it? Unmounted tires can be sent back.

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Get technical:

The Astro TR-21 delivers excellent traction for medium horsepower tractors, allowing you to hook up power to the ground efficiently.



Features & Benefits

  • Deep tread with excellent self cleaning of mud and debris for long lasting traction and performance
  • 12 ply rated
  • 30 psi max inflation
  • 45/32" tread depth
  • Comfortable ride on or off pavement

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
5071 lbs (137)
Max Speed
19 MPH (A6)
Load Range
D (8 Ply)
Sidewall
Tube-Type
Tread Depth
45/32nds
Inflation Pressure
30 PSI
Part Number
R175DTSSAST
Tire Weight
281 lbs
Section Width
16.9"
Rim Range
15"
Overall Diameter
58.5"
Any info you'are still looking for?
Astro

TR-21 ∙ 3 sizes available