SCC Chain Auto-Trac Tire Traction Chain - Set of 2

In this review the SCC Chain 0155505 Auto-Trac Tire Traction Chain set is evaluated for drivers who need quick, reliable winter traction without complicated installation. The bottom line: this set is best for drivers who want a self-tightening, diamond pattern chain that installs in minutes and stays snug while driving. The patented ratcheting tightening system is the single biggest reason to consider these chains, since it eliminates separate tensioners and allows installation without jacking or moving the vehicle, making them a practical choice for SUVs, pickups and most passenger cars seeking Class S clearance.

Key Features

• Self-tightening ratchet: The patented ratcheting tightening system automatically tightens the chain while driving so you do not need extra tensioners.
• Install without jack: Can be installed without moving or jacking up the vehicle, which saves time and makes roadside installation easier.
• Diamond pattern cross chain: The diamond pattern cross chain provides a smoother ride and improved grip on ice and packed snow.
• Low-mass manganese cross links: Cross member links are made of manganese alloy steel, allowing shorter, lighter links that reduce flyoff and increase grip points.
• Class S clearance: Designed to meet Class S clearance on SUVs, pickups and most passenger cars, offering wider compatibility for trimmed wheel wells.
• Quick on/off: Customers report a typical installation time of about 5-10 minutes per wheel, making seasonal use practical.

Who It's For

The SCC Auto-Trac set is aimed at drivers who need dependable winter traction and want a fast install process without extra hardware. It is a good match for owners of SUVs, pickup trucks and many passenger cars who need Class S clearance and appreciate a built-in self-tightening system.

Drivers who have unusual tire sizes or nonstandard wheel/tire combinations should perform a test fit before relying on these chains, and those who require studded or heavy-duty commercial chains for deep snow or off-road winter work may want a different product.

Pros & Cons

Pros

• Easy installation and removal in minutes thanks to the self-tightening system and simple connect steps.
• Solid chain quality with manganese alloy steel cross links that reduce flyoff and add gripping points.
• Diamond pattern cross chain delivers a smoother ride and effective traction on icy patches.
• Designed to meet Class S clearance, fitting many SUVs and pickup trucks without modifications.

Cons

• Fit can vary by tire model and manufacturer, so a test fit is strongly recommended before driving long distances.
• Customers report occasional durability issues on some fits, so long-term toughness can depend on matching the correct tire size.

Specifications

Our Verdict

The SCC Auto-Trac 0155505 set is a practical, time-saving traction solution for drivers who prioritize quick installation and a self-tightening system. When matched to the correct tire size, these chains offer good grip, a smoother ride and Class S clearance, making them a solid value for seasonal use; just perform a test fit to avoid fitment or durability issues.

Frequently Asked Questions

Can these be installed without jacking the vehicle?
Yes, the Auto-Trac system is designed to be installed without moving or jacking the vehicle.

Do these require extra chain tensioners?
No, the patented ratcheting tightening system tightens the chain while driving so additional tensioners are neither necessary nor recommended.

How fast can you drive with these chains on?
Do not exceed 30 mph when driving with these chains installed.