Description
227440X – TF-500 PULLEY DRIVE AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 227440X (Remanufactured) | Replaces OE: Bendix: 226978, 227044, 227440, 228357, 228358, 279193, 282262
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
• Mounting: 4-hole base
• Drive Type: Pulley drive
• Air Inlet Port Location: Right, viewed from rear
• Air Outlet Port Location: Right, viewed from rear
• Discharge Type: Flange
• Base Oil Feed Option: Available
• 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 tractor air brake systems requiring a TF-500 pulley drive compressor with 4-hole base mounting, right-side inlet/outlet orientation, base oil feed 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
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 mount, pulley drive configuration, right inlet/outlet orientation, and flange discharge before installation
✔ Confirm port orientation from the rear before installation
✔ Verify base oil feed plug if the base oil feed option is not used
✔ Use new gaskets for air and water ports during installation
✔ Confirm pulley tension, head rotation, and shaft alignment 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
