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Upgrade & Restore Your Tire Changer's Performance

The 1"/4" NPT Small Muffler is a high-quality direct-replacement part designed for professional tire changers. Engineered to precise factory tolerances, it replaces original equipment part number 85607855 to keep your machinery in peak operating condition.

Timely replacement of worn mechanical hardware and consumables is critical to avoiding major component damage and reducing expensive bay downtime.

📋 Factory Service Bulletin Guidance:

Update Date: February 2012
Subject: RC and APX - Handle BL Valve - Muffler Change

Rim Clamp and APX units equipped with a handle actuated four-way valve bead loosener are being equipped with different exhaust mufflers. The new low profile, high flow mufflers will be less subject to damage, because of their reduced height, and because of their high flow capacity will not slow the BL operation speed. These mufflers were already used on twenty pilot units that have been shipped. They have gone into production on Rim Clamps last week and will go into production on APX models in the near future. Any old style tall mufflers in your inventory can and should be used for service. Then begin using new part number 85607855 which is now available.

Machine Location:

This part is positioned in the primary mechanical assemblies or utility configurations of the tire changer.

Key Features & Specifications

  • Engineered Longevity: Built from durable materials designed to handle high-volume shop environments.
  • Direct Fitment: Designed to replace original hardware with no modifications or alignment adjustments required.
  • OEM Specifications: Fits perfectly to prevent mechanical play and preserve factory-spec alignment.

Complete Machine Compatibility

This universal replacement part is documented and verified to fit the following Coats® equipment models:

  • Coats 50/60/70/80/90 X-Model Series Tire Changer
  • Coats 80C 90C Center Clamp Tire Changer (Revision 1)
  • Coats 80C 90C Center Clamp Tire Changer (Revision 2)
  • Coats 85613210 Maxx Model
  • Coats APX Rim Clamp Tire Changer
  • Coats Dt Maxx
  • Coats Gts-70 Ca
  • Coats Gts50, Gts60, Gts70 And Gts-90 Rim Clamp Tire Changers
  • Coats Kit 85608609, Wheel Lift Accessory
  • Coats RC-45 A/E, RC-55 A/E Tire Changer
  • Coats Rc200Ex, Rc150Ex Tire Changer

Frequently Bought Together / Related Parts

These drawing-adjacent parts connect directly next to this part on your parts breakdown and assembly drawings:

🔧 Pro Installer Tip:

Always refer to your equipment's official parts manual before final installation to confirm the exact alignment and torque sequence.


Alternative / Cross-Reference Part Numbers: SVI BW-2578-55 | Coats 85607855 | Distributor AM85607855

AMMCO and COATS are registered trademarks of The Coats Company. AEPN Inc. is not associated in any way with The Coats Company, Inc. Any names, symbols, numbers, and descriptions are used for reference purposes only. It is not implied that any part listed is the product of these manufacturers.

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