System 3® XT400 UTV / SxS Radial Extreme Trail / Mud Tire | 10-Ply

The System 3® XT400 Extreme Trail UTV Tire is a tough mud and trail hybrid performer with rugged 10-Ply Radial construction!
The System 3 XT400 Extreme Trail UTV tire is a rugged, mud-trail hybrid radial tire built to conquer the harshest terrains — from deep mud and ruts to loose trails and rocks. With a durable 10-ply rated carcass and a full-width traction footprint, the XT400 offers an unmatched blend of flexibility, strength, and extreme traction to tackle whatever is in front of you.
Its extreme tread design features multi-stage, dual-angle lugs and massive tread depth (from 1.125" up to 2.0", depending on the size), giving this tire incredible bite in any direction. Super aggressive shoulder lugs claw their way through ruts and up obstacles easily. Meanwhile, the deep rim guard protects your wheels and helps prevent pinch flats when wheeling in gnarly terrain.
Whether you’re blasting through sloppy trails, climbing over rocks, or simply upgrading your ride for extreme conditions — the XT400 gives you the confidence and attitude to go further and dominate the trail.
XT400 Key Features & Performance Highlights
- Strong 10-ply Radial Build blends the perfect balance of flexibility and durability, engineered to resist punctures and take a beating in gnarly terrain.
- Deep, Multi-Stage Lugs from 1.125" up to 2.0" tall feature dual-stage designs that dig in any direction to deliver superior traction on mud, dirt, and loose surfaces.
- Aggressive Shoulder Tread allows the tire to claw its way through deep ruts and up obstacles like it's nothing, adding extra grip and stability when things get sloppy.
- Deep Rim Guard protects and shields your wheels from rocks and pinch flats, helping protect your investment and reduce downtime.
- Full-Width Traction Footprint ensures maximum rubber-to-ground contact for unbeatable grip, forward bite, and control.
- Directional Tread Pattern designed to fling mud and grab onto loose surfaces, maximizing pulling power in the sloppiest conditions.
- Versatile Hybrid Performance mixes the best traits of a mud tire and a trail tire, giving you an extreme trail tire that laughs at loose and sloppy conditions.
Here's the bottom line - If you’re looking for a serious hybrid SXS tire that balances mud-slinging capability, durability, and extreme trail performance, the System 3 XT400 delivers across the board. It’s an unstoppable and proven choice, whether you’re upgrading an existing ride or building a monster off-road setup.
Choose your correct tire size from the dropdown menu and select the quantity you need for quick and accurate delivery!
PLEASE NOTE: Tire only, wheel NOT included! Double check your tire size before ordering to ensure accuracy when ordering your new tires!
XT400 Available Sizes and Specifications
| XT400 SIZE |
PLY RATING |
TREAD DEPTH (in.) |
MAX LOAD (lbs.) at 18 PSI |
TIRE WEIGHT (lbs.) |
SYSTEM 3 PART # |
|---|---|---|---|---|---|
| 27x10R-14 | 10 | 1.125 - 1.50 | 1,116 LBS | 41.9 LBS | S3-0830 |
| 28x10R-14 | 10 | 1.125 - 1.50 | 1,185 LBS | 44.8 LBS | S3-0835 |
| 30x10R-14 | 10 | 1.125 - 1.50 | 1,341 LBS | 47.6 LBS | S3-0850 |
| 32x10R-14 | 10 | 1.125 - 1.50 | 1,530 LBS | 51.1 LBS | S3-0860 |
| 30x10R-15 | 10 | 1.125 - 1.50 | 1,317 LBS | 48.0 LBS | S3-0855 |
| 32x10R-15 | 10 | 1.125 - 1.50 | 1,491 LBS | 51.8 LBS | S3-0865 |
| 33x10R-15 | 10 | 1.125 - 1.50 | 1,599 LBS | 52.9 LBS | S3-0866 |
| 35x10R-15 | 10 | 1.125 - 1.50 | 1,719 LBS | 58.9 LBS | S3-0868 |
| 35x10R-18 | 10 | 1.50 - 2.0 | 1,680 LBS | 57.6 LBS | S3-0875 |
| 37x10R-18 | 10 | 1.50 - 2.0 | 1,797 LBS | 63.3 LBS | S3-0877 |
| 33x9.50R-20 | 10 | 1.50 - 2.0 | 1,356 LBS | 51.1 LBS | S3-0878 |
| 35x9.50R-20 | 10 | 1.50 - 2.0 | 1,536 LBS | 55.8 LBS | S3-0882 |
| 37x9.50R-22 | 10 | 1.50 - 2.0 | 1,647 LBS | 61.3 LBS | S3-0890 |
| 40x9.50R-24 | 10 | 1.50 - 2.0 | 1,869 LBS | 72.3 LBS | S3-0895 |
Note: See vehicle label or owners manual for operating pressure.











