Description
284790X - TF-500 CAT AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 284790X (Remanufactured) | Replaces OE: Bendix: 284789, 284790, 287599 | CAT: 2P1830, 7N7839
DESCRIPTION:
Model: Bendix Tu-Flo 500 (TF-500) CAT Air Brake Compressor
Vehicles: Caterpillar-powered heavy truck, semi truck, 18 wheeler, commercial fleet, and off-highway platform applications
• Cooling: Water and air cooled
• Air Inlet Location: Left, viewed from rear
• Air Outlet Location: Top, 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 Caterpillar engine applications requiring a TF-500 compressor with left-side air inlet, top outlet, and flange discharge configuration. This compressor supports service brake and auxiliary pneumatic systems and is commonly replaced due to reduced air output, oil carryover, overheating, or internal wear.
CROSS-REFERENCE(S):
2P-1830, 7N-7839, 065491, 109285, 109336, 5003648, 5005466, 5005415
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 CAT fitment, left inlet, top outlet, and flange discharge configuration before installation
✔ Verify port orientation from the rear of the compressor
✔ Use installation gasket(s) during installation
✔ Ensure proper drive or shaft engagement during installation
✔ 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
