Description
6510R BRAKE ACTUATOR POWER CLUSTER – AIR/HYDRAULIC ACTUATOR
PART NUMBER(S):
Fleet Products: 6510R, 6510L, 6510 | OE: A838, A839, A840 | Automann:
DESCRIPTION:
Model: 6510R – Right-Side Mount
Vehicles: Heavy-Duty Truck and Trailer Applications
• Output Pressure: 1000 PSI
• Stroke: 2.5”
• Diaphragm: Type 24
• Bore Size: 1 ½”
• Volume: 3.5 Cubic Inches
• Inlet Fitting: 5 1/16” Inverted Flare
• Mounting Bracket: Right-Side
• Actuation Type: Air/Hydraulic – Converts pneumatic pressure into hydraulic force
• Function: Pushes hydraulic fluid to activate brakes; suitable for spring-brake or apply-release systems
• Design: Wagner-style power/pressure cluster
• System Fitment: Suitable for fleet and OE replacement across 6510 series and AF83x equivalents
• Condition: New – No core return required
• Fluid Compatibility: DOT 3, 4, 5, 5.1 or mineral-based hydraulic oil
• Max Air Pressure: 120 PSI
• Residual Check Valve: Included (internal)
• Mounting Orientation: Horizontal only (to prevent fluid leakage or air entrapment)
• Bleeding Required: Yes, post-installation
• Lubrication: Apply oil periodically to pivot point
• Alignment: Critical for longevity; improper setup may cause cup wear
• Testing: Pressure and leak tested before delivery
Applications:
This actuator is engineered for fleet-grade air/hydraulic brake systems. Ideal for use where engine or pneumatic vacuum is not available, such as diesel trucks, trailers, or military/commercial applications. It serves as a reliable drop-in replacement for legacy Wagner clusters and MICO 6510-series variants used in demanding environments.
CROSS-REFERENCE(S):
6510R, 6510L, 6510, A838, A839, A840, 65-840R, 65-840L, AF838, AF839, AF840, 6510-1, 6510-2, 6510-3, 6510-4, 6510-5, 6510-6, 6510-7, 6510-8, 6510-9, 6510-10, 6510-11A cross-reference listing means the part can be used as a functional replacement or is interchangeable across the cited systems.
IMPORTANT INSTALLATION NOTES:
✔ Brand new, ready to install – no core return required
✔ Mounting bracket orientation: right-side (6510R), left-side (6510L)
✔ Use only compatible fluids (DOT or mineral-based) per application
✔ Ensure horizontal installation to prevent fluid issues
✔ Bleed actuator post-installation; follow proper sequence
✔ Maintain correct stem alignment during install
✔ Lubricate mechanical pivot points during routine maintenance
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
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Warranty Information
