Description
281718X - TF-500 DETROIT 75° TILT AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 281718X (Remanufactured) | Replaces OE: Bendix: 281600, 281683, 281718, 281719, 281718BN
DESCRIPTION:
Model: Bendix Tu-Flo 500 (TF-500) Detroit Diesel 75° Tilt Air Brake Compressor
Vehicles: Detroit Diesel engine platforms used in GMC, Freightliner, and Western Star applications
• Cooling: Water cooled
• Mounting Style: Flange mount, 75° tilt
• Drive Type: Engine driven
• Air Inlet Port Location: Left, viewed from rear
• Air Outlet Port Location: Left, viewed from rear
• Discharge Type: Flange
• 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 Detroit Diesel heavy-duty engine applications requiring a TF-500 compressor with 75° tilt flange mounting, left-side inlet/outlet orientation, 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):
275231X, 275777X
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:
✔ Confirm 75° flange tilt orientation before installation
✔ Verify left-side air inlet and outlet ports match the existing system layout
✔ Replace installation gaskets and follow Detroit Diesel compressor installation procedures
✔ Check discharge, coolant, oil supply, oil return, and air inlet lines for restrictions before startup
✔ Typical flange nut torque: 80–100 ft-lb
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
