Vehicle

Tire type

Featured

Brand

Price

Score

Deals

Maximum Load Index

Load Range

Load

Minimum Speed Rating

Speed Rating

Popular Filters

Sidewall types

Run flat

Studded/Studdable

Three-Peak Mountain Snowflake

More filters

Low to High

High to Low

8-18 tires

1630 R1

Designed for use on tractors, sprayers, harvesters, trailers, implement control, and other farm equipment. These tires are typically designed to reduce soil compaction, resist damage, and provide high flotation so that drivers don't sink in soft surfaces.

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer.

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The diameter of a tire that is inflated without any load applied.

Overall Diameter

6 tires available in 8-18

In Size 8-18

Most popular among drivers in PA

Best seller:

Go with the best seller

Field Pro All Purpose R-1

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

TR 171

Based on verified customer reviews, this tire has been highly rated.

Top rated:

Best customer reviewed tire.

Save on this  tire today.

Best deal:

Save even more.

TR144 Rear Tractor R-1

2 to 4 day delivery to Feasterville-Trevose, PA

From 108.96 to 195.99

Want to dive deeper?

ENDS IN...

8/18 agstar Tires

Vehicle

Featured

All

Price Range

SimpleScore™ Range

Maximum Load Index

Load Range

Speed Rating

Minimum Speed Rating

Agstar 1630 R1
8-18 100A6 D | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
1764 lbs (100)

Max Speed
19 MPH (A6)
Load Range
D (8 Ply)
Sidewall
Tube-Type
Tread Depth
33/32nds
Inflation Pressure
38 PSI
Part Number
329106625
Tire Weight
28 lbs
Section Width
7.5"
Overall Diameter
33.3"

Join the SimpleCrew and get exclusive perks.

Did you find what
you were looking for?

Fastest option!

(888) 262 1105

service@simpletire.com

ENDS IN...

8/18 agstar Tires

Agstar 1630 R18-18 100A6 D | In stock

VehicleFarm & AgriculturalMileage WarrantyN/ALoad Index1764 lbs (100)

Max Speed19 MPH (A6) Load RangeD (8 Ply) SidewallTube-Type Tread Depth33/32nds Inflation Pressure38 PSI Part Number329106625 Tire Weight28 lbs Section Width7.5" Overall Diameter33.3"

Join the SimpleCrew and get exclusive perks.

Did you find what you were looking for?

Agstar 1630 R1
8-18 100A6 D | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
1764 lbs (100)

Max Speed
19 MPH (A6)
Load Range
D (8 Ply)
Sidewall
Tube-Type
Tread Depth
33/32nds
Inflation Pressure
38 PSI
Part Number
329106625
Tire Weight
28 lbs
Section Width
7.5"
Overall Diameter
33.3"

Did you find what
you were looking for?