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The Coats® 90C Center Clamp Tire Changer delivers classic swing arm speed combined with the confidence and precision of a center clamp design and leverless operation. Engineered for high-volume shops working with alloy and steel wheels for cars and light trucks, this machine handles rim diameters from 12" to 30" external, tire diameters up to 50", and rim widths up to 15". Available in both air-powered (90CA) and electric-powered (90CE) configurations, the 90C gives you flexibility to match your shop's power setup while delivering efficient, damage-free tire service every time.
With an 18" automated vertical stroke Robo-Arm®, RoboRoller® powered assist, and a 5.4-gallon bead seating air reservoir integrated into the tower, the Coats 90C is built to tackle difficult tires with ease. The leverless Duckhead® mount/demount tool eliminates the need for traditional tire bars that can mar delicate wheel surfaces, reducing operator fatigue and wheel damage risk. Whether you're mounting low-profile performance tires or rugged light truck assemblies, the 90C Center Clamp Tire Changer provides the features, power, and reliability your technicians need.
Key Features & Design Advantages
Center Locking Clamp Design
The center clamp design delivers quick, easy operation while minimizing the risk of wheel damage. This configuration provides superior wheel control and stability during mount and demount operations, ensuring consistent results across a wide range of wheel types and sizes.
Leverless Duckhead® Mount/Demount Tool
The innovative leverless Duckhead® mount/demount tool acts as a traditional helper device while eliminating the need for traditional tire bars that can mar wheel surfaces due to application difficulty. This design reduces technician effort, speeds up service time, and protects expensive alloy and chrome wheels from accidental damage.
RoboRoller® Powered Assist
The RoboRoller® powered assist system provides additional power when mounting difficult tires by preventing the bead from rolling back over the mount tool. This automated feature simplifies challenging low-profile and run-flat tire installations, reducing physical strain on your technicians and improving efficiency.
Robo-Arm® Automated Vertical Stroke
With 18 inches of automated vertical stroke, the Robo-Arm® helper device assists with bead lifting and tire positioning throughout the mount/demount process. This automated assistance minimizes manual intervention and speeds up tire changes, especially on larger or stiffer sidewall assemblies.
Hand-Operated Bead Loosener with Point-of-Use Controls
The hand-operated bead loosener features power in/out and freeze controls positioned at the operator's point of use, providing direct line of sight during bead breaking. This operator-focused design reduces the risk of wheel damage and gives technicians precise control over shovel placement and force application.
Auxiliary Bead Sealer (ABS)
The included auxiliary bead sealer concentrates air flow wherever it is needed on the tire assembly, sealing stubborn beads more efficiently and reducing excessive maintenance. This targeted air delivery ensures consistent bead seating even on difficult tire and wheel combinations.
Large 5.4-Gallon Bead Seating Air Reservoir
A 5.4-gallon air volume reservoir integrated into the tower provides ample air supply for rapid bead seating. Combined with the auxiliary bead sealer, this system delivers the air volume and pressure needed to seat even the most challenging tire beads quickly and safely.
Power Options to Match Your Shop
Air-Powered Model (90CA): Equipped with a 1.5 HP air motor operating on 110-175 psi and 15 scfm, the air-powered version is ideal for shops with robust compressed air systems. Part Number: 80090CAH3
Electric-Powered Model (90CE): Featuring a rugged 2 HP electric motor running on 220V, 60Hz, 14amp, the electric model provides consistent power independent of air supply constraints. Part Number: 80090CEH220
Both configurations deliver the same performance, capacity, and features—choose the drive system that best fits your shop's infrastructure and workflow.
Why Choose the Coats 90C?
Damage-Free Performance: Center clamp and leverless Duckhead® tool protect expensive wheels from scratches and marring
Versatile Capacity: Handles 12" to 30" rim diameters, up to 50" tire diameter, and 15" rim width for cars and light trucks
Automated Assistance:Robo-Arm® and RoboRoller® reduce operator effort and speed up difficult tire changes
Operator-Focused Design: Hand-controlled bead loosener with point-of-use controls and direct line of sight enhances safety and precision
See the Coats® 90C Center Clamp Tire Changer demonstrate its leverless operation, automated assist features, and center clamp design in real-world tire service applications:
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