Description
276778X TF-400 DETROIT COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 276778X (Remanufactured) | Replaces OE: Bendix: 101143, 279887, 279920
DESCRIPTION:
Model: Bendix TF-400 Detroit Diesel Air Brake Compressor
Vehicles: Detroit Diesel-powered GMC, heavy trucks, buses and trailers
• Compressor Type: Two-cylinder, single-stage, reciprocating air brake compressor
• Cooling: Water cooled
• Mounting: Flange mount, 0° tilt
• Drive Type: Engine driven
• Air Inlet Port: Right side, viewed from rear
• Air Outlet Port: Right side, viewed from rear
• Discharge Type: Flange discharge
• Number of Cylinders: 2
• Bore Size: 2.0625 in
• Stroke: 1.5 in
• Displacement at 1,250 RPM: 7.25 CFM
• Maximum Recommended RPM: 3,000 water cooled; 2,400 air cooled
• Minimum Coolant Flow at Maximum RPM: 2.5 GPM
• Required Air Flow: 250 CFM
• Approximate Horsepower at 1,250 RPM: 1.2 HP
• Maximum Inlet / Discharge Air Temperature: 250°F / 400°F
• Minimum Unloader Pressure: 60 PSI
• Minimum Oil Pressure: 5 PSI at idle; 15 PSI at governed speed
• Oil Capacity: 0.53 qt (self-lubricated)
• Minimum Line Sizes: 1/2 in O.D. discharge; 3/8 in O.D. coolant; 1/4 in O.D. oil supply; 1/2 in O.D. oil return; 5/8 in I.D. air inlet
Applications:
Used on Detroit Diesel engine applications requiring a TF-400 water-cooled flange-mount compressor with 0° tilt and right-side inlet and outlet ports. The compressor supplies compressed air for brake and auxiliary pneumatic systems and is typically replaced when air output decreases, leakage occurs, or internal wear affects system recharge.
CROSS-REFERENCE(S):
276166X, 1W6473, 108202TP, 102655
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 flange mount and 0° tilt configuration before installation
✔ View port orientation from the rear of the compressor
✔ Confirm right-side inlet, right-side outlet and flange discharge orientation before installation
✔ Verify engine-drive alignment before startup
✔ Check for air, oil and coolant leaks after installation
✔ Torque flange mounting fasteners to 80–100 ft-lb where applicable, or follow OEM specification
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
