Lightning Savings - 20% off!

00:00:00

Deals Rebates Tire Installation Financing

Search

Track your order

Search by tire size or brand

Shopping Cart

Hello, Anonymous!

My Profile Membership Savings Change password Address Book Order History

Menu

Deals Rebates Tire Installation Financing

Track order

There was an error with your Synchrony CAR CARE Payment. Please try again or click the Checkout button!

Home
/
All Tires
/
420--
/
Farm - R-1/Rear Farm

For delivery estimate

Size 420-- Farm - R-1/Rear Farm Tires

Filter

420--

•

Farm - R-1/Rear Farm

Tap to change filters

Sort by

Recommended
Lowest Price
From $566
Mileage Warranty

Firestone Radial All Traction 23 R-1 420/80R46 151B

352829 Firestone Radial All Traction 23 R-1 420/80R46 151B Tires

Rims Not Included

Farm
Farm - R-1/Rear Farm

easy test score

9.8 Superb

Per Tire:

$1,880.89

OR

$Loading /mo

Save $

Lightning Savings

Was $2351.11

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Estimated Delivery

Loading

Shipping

Loading

Total

Loading

OR

$ /mo

Please contact customer support. (877) 709-4442

Michelin Agribib 2 420/85R34 147A8/B

16801 Michelin Agribib 2 420/85R34 147A8/B Tires

Rims Not Included

Farm
Farm - R-1/Rear Farm

easy test score

10.0 Superb

Per Tire:

$1,897.39

OR

$Loading /mo

Save $

Lightning Savings

Was $2371.74

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Estimated Delivery

Loading

Shipping

Loading

Total

Loading

OR

$ /mo

Please contact customer support. (877) 709-4442

Alliance Agriflex+ 354 Steel Belted R-1W 420/95R50 177D

35400180 Alliance Agriflex+ 354 Steel Belted R-1W 420/95R50 177D Tires

Rims Not Included

Farm
Farm - R-1/Rear Farm

easy test score

7.9 Great

5.0

1 reviews

Per Tire:

$1,973.17

OR

$Loading /mo

Save $

Lightning Savings

Was $2466.46

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Estimated Delivery

Loading

Shipping

Loading

Total

Loading

OR

$ /mo

Please contact customer support. (877) 709-4442

3
4
5
6

Filter

Cross Section Width

results found

Aspect Ratio

70
80
85
90
95

results found

Wheel Diameter

24
26
28
30
34
38
46
50

results found

Reset

MINIMUM - MAXIMUM

Filter

Advance (3)
Alliance (9)
Ascenso (5)
BKT (10)
Firestone (4)
Galaxy (1)
Goodyear (5)
Michelin (4)
Petlas (7)
Samson (2)
Titan (3)

Construction (2)
Construction - R-4 (1)
Farm (55)
Farm - R-1/Rear Farm (53)
Farm - Flotation (1)

Filter

Advance - Farm Radial AR1000 (1)
Advance - Farm Rear - Radial R-1W (2)
Alliance - Agri Star II 470 - 485 (4)
Alliance - Agriflex+ 354 Steel Belted R-1W (3)
Alliance - Farmpro II 846/842 Radial R-1W (2)
Ascenso - TDR850 (5)
BKT - Agrimax RT765 (2)
BKT - Agrimax RT855 (7)
BKT - Agrimax RT945 (1)
Firestone - Performer 85 R-1W (1)
Firestone - Performer Evo R-1W (2)
Firestone - Radial All Traction 23 R-1 (1)
Galaxy - Earth Pro R-1 (1)
Goodyear - Dyna Torque Radial R-1 (1)
Goodyear - Optitrac (3)
Goodyear - Ultratorque Radial R-1 (1)
Michelin - Agribib 2 (4)
Petlas - TA110 (7)
Samson - Farm Radial R-1W (2)
Titan - Agraedge R-1W (3)

5 (40)

(40)

D (24)
A8/B (18)
A8 (7)
B (2)
D/A8 (2)

Filter

147 (10)
142 (6)
140 (5)
139 (4)
144 (4)
137 (3)
133 (2)
144/144 (2)
130 (1)
130/133 (1)
135/135 (1)
137/137 (1)
139/139 (1)
140/140 (1)
142/142 (1)
143 (1)
145 (1)
145/139 (1)
151 (1)
152 (1)
153 (1)
154 (1)
159 (1)
159/170 (1)
177 (1)

Compare tires at a glance using our easy test score^® system. Our proprietary algorithm factors in performance, expert insights, user reviews, and Uniform Tire Quality Grading (UTQG) scores.

Four criteria factor into easy test score^®

Consumer reviews

Research based on customer reviews and buying behavior
Treadwear

The lifespan of a tire based on wear performance
Traction

The ability of a tire to grip to the road in wet conditions
Expert ratings

Input from veteran tire industry experts

Unlock even lower prices

Get up to 40% off eligible tires - for a limited time only.

No passwords. No spam. Just savings.

Email Address

Please Set Your Zip Code

Enter your zip code to get better pricing and help find local installers.

Enter zip code

Reserving your tires

Calculating fastest shipping time to

Checking for deals

Product added to your cart!

Thank you for waiting!

offer-image

Type in a name for your car

Search for tires by

Select your vehicle

Year

Make

Model

Trim

Zip code

Search

No matches. Try a different spelling.

Confirm your tire size

Enter your zip code to get best shipping and installation options:

Continue without your zip code

Select your tire size

Width

Ratio

Diameter

Zip code

Search

We couldn't find a match. Please try again

Select Aspect Ratio

Search

We couldn't find a match. Please try again

Select Diameter

Search

We couldn't find a match. Please try again

Enter your zip code to get best shipping and installation options:

Continue without your zip code

Select a tire brand

Popular brands

At Giga Tires, we’ve delivered unbeatable tire prices and service since 2014. With over 1 million tires sold, a #6 ranking in Newsweek’s America’s Best Online Shops for 2027, up from #9 in 2026, and 40K+ 5-star ratings, we offer over 45K+ products along with great promotions, discounts, and rebates. Enjoy fast shipping to your home or a local installer, with more than 1,000 installation centers nationwide Monro, Tire Choice, and Mr. Tire. Backed by a 45-day return policy, we make tire buying simple, reliable, and affordable. Headquartered in California, we proudly serve drivers across the continental US.

Sign Up For Special Offers

Email Address

First Name

Last Name

Useful Links

Tire Brands Contact Us Tire Rebates About Us Tire Financing Shipping and Payment Return Policy Membership FAQ Coupon Codes Customer Reviews Tire Installation Terms of Use Tire Coverage Privacy Policy Knowledge Center Blog Register Your Tires Tax Exemption

Categories

Passenger Truck/SUV Van/Truck Trailer Motorhome/RV Commercial Truck Quad/ATV/UTV Construction Lawn & Garden/Golf Cart Farm View All

© 2026 Gigatires, LLC^® All Rights Reserved.