Description
227321X – TF-500 PULLEY DRIVE AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 227321X (Remanufactured) | Replaces OE: Bendix: 227321, 226286, 226339, 226685, 226816, 227156, 227450, 227655, 227676, 227724, 228306, 228312, 228314, 228315, 228316, 228318, 228329, 228426, 228671, 228956, 229058, 229439, 229543, 229655, 229776, 229843, 275049, 275111, 276090, 276148, 276517, 276913, 277255, 277334, 277675, 277693, 277737, 277802, 278429, 278806, 279292, 279314, 279992, 280098, 280644, 280811, 280828, 281059, 282005, 282139, 282348, 282564, 282711, 282713, 283592, 284440, 284797, 286442, 286481 | CAT: 9L5366, 9L584
DESCRIPTION:
Model: Bendix Tu-Flo 500 (TF-500) Pulley Drive Air Brake Compressor
Vehicles: Heavy trucks, semi trucks, 18 wheelers, and commercial truck applications
• Cooling: Water cooled
• Air Inlet Location: Right
• Air Outlet Location: Right
• Mounting: 4-hole base, pulley drive
• Discharge Type: Flange
• External Shaft Length: 2.14 in
• No. of Cylinders: 2
• Bore: 2.5 in
• Stroke: 1.6875 in
• Displacement @ 1250 RPM: 12 CFM
• Max RPM: 3000 water cooled / 2400 air cooled
• Coolant Flow: 2.5 GPM
• Air Flow Requirement: 250 CFM
• HP @ 1250 RPM: 2.3 HP
• Temperature Range: 250°F inlet / 400°F discharge
• Unload Pressure: 60 PSI
• Oil Pressure: 5 PSI idle / 15 PSI maximum
• Oil Capacity: 0.53 qt
• Line Sizes: 5/8 in OD discharge, 1/2 in OD coolant, 1/4 in OD oil supply, 5/8 in OD oil return, 5/8 in ID air inlet
Applications:
Used on heavy-duty truck and commercial vehicle air brake systems requiring a TF-500 pulley drive compressor with 4-hole base mounting, right-side inlet/outlet orientation, external shaft, and flange discharge configuration. The compressor supplies air for service brake and auxiliary pneumatic systems and is typically replaced due to reduced air output, oil carryover, overheating, or internal wear.
CROSS-REFERENCE(S):
227320TP, BX227320X, 745227320, 04625227320X, EL13020X
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Verify 4-hole base, pulley drive mounting, right inlet/outlet orientation, external shaft length, and flange discharge configuration before installation
✔ Ensure proper installation of base oil option as specified
✔ Maintain 2.5 GPM coolant flow and confirm cooling configuration before applying maximum RPM limit
✔ Confirm port orientation from rear before installation
✔ Check oil supply, oil return, coolant, discharge, and air inlet lines for restrictions before startup
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
Warranty Information
