ESCO OTR O-Ring Installer Tool, RingMaster (24" - 30" Rim)

$649.00

Product variants

ESCO | OTR O-Ring Installer Tool | RingMaster (24" - 30" Rim)

O-ring installer tool for 24 to 30 inch OTR rims and tire service applications

The OTR O-ring installer tool from ESCO makes mounting lock rings and O-rings on 24-30 inch rims quicker, safer, and less physically demanding. Designed for techs working on off-the-road tires in the field or shop, this compact device holds the tire bead and rim flange apart so you can slide in the O-ring cleanly, no boom crane or helper needed. It's the go-to choice when space is tight and time is limited.

What Makes a Good O-Ring Installer Tool?

Anyone who’s struggled with stuck lock rings or oversized tire assemblies knows how frustrating it is without the right tool. A good O-ring installer minimizes effort, saves time, and prevents damage to the O-ring during install. The ESCO RingMaster does exactly that. It applies consistent force to hold the tire back, giving you full visibility and control over the install process.

Installs O-rings and lock rings without extra tools
Prevents pinching or misalignment during reassembly

How It Performs on the Job

This tool works with an air ratchet wrench, letting you control pressure and positioning easily. Once in place, it keeps the tire and rim separated while your hands are free to install the O-ring or locking ring. It’s a compact setup, but extremely effective—even in muddy fields or tight roadside situations.

Fits in most tire service trucks or toolboxes
Designed for OTR and tractor tire applications

Who Benefits Most From This Tool?

Whether you're a mobile OTR tire technician, farm equipment mechanic, or shop-based service tech, this installer tool saves your back and your schedule. It's ideal for situations where pulling the wheel isn’t practical and you need to get it done on the truck or in the field.

Ideal For:

Farm and agricultural tire service
OTR and heavy equipment shops
Field service teams and tire trucks

Specifications

Compatible Rim Sizes	24–30 inches
Tool Weight	Approximately 5 lbs
Material	High-strength steel construction
Operation	Use with air ratchet wrench
Storage	Compact enough for standard tire truck toolboxes

Why It’s Worth Buying

If you're tired of improvising with pry bars or calling for extra help, the ESCO OTR O-ring installer tool delivers reliable control and serious time savings. It's a specialty tool you'll use again and again, especially when space or staffing is limited.

Speeds up O-ring and lock ring installation
Reduces risk of damage or injury during service

Order today to get the OTR O-ring installer tool that performs under pressure and keeps your service calls efficient.

About the Brand

Esco

View All Esco Products

Garage Supply Guys Frequently Asked Questions

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