Description
227332X – TF-500 PULLEY DRIVE AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 227332X (Remanufactured) | Replaces OE: Bendix: 227332, 227321
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: 6-hole base, pulley drive
• Discharge Type: Flange
• Base Oil Option: Yes
• 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 6-hole base mounting, right inlet/outlet orientation, base oil option, 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
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 6-hole base mount, pulley drive configuration, right inlet/outlet orientation, and flange discharge before installation
✔ Ensure proper installation of base oil option as specified
✔ Confirm port orientation from rear before installation
✔ Check oil supply, oil return, coolant, discharge, and air inlet lines for restrictions before startup
✔ Maintain 2.5 GPM coolant flow and confirm cooling configuration before applying maximum RPM limit
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
