Description
276778X - TF-400 DETROIT COMPRESSOR (0° TILT, ENGINE DRIVE)
PART NUMBER(S):
Fleet Products: 276778X (Remanufactured) | OE: 101143, 279887, 279920, 276166X, 1W6473, 108202TP
DESCRIPTION:
Model: TF-400 Detroit Diesel Air Brake Compressor
Vehicles: Detroit Diesel-powered GMC, heavy trucks, buses, and trailers
• Cooling: Water cooled
• Mounting Style: Flange Mount (0° Tilt)
• Drive Type: Engine Drive
• Air Inlet Port: Right (viewed from rear)
• Air Outlet Port: Right (viewed from rear)
• Discharge Type: Flange
• Cylinders: 2
• Bore: 2.0625 in
• Stroke: 1.5 in
• Displ @1250 RPM: 7.25 CFM
• Max RPM: 3000 WC / 2400 AC
• Coolant Flow: 2.5 gpm
• Air Flow Req: 250 CFM
• HP @1250: 1.2 HP
• Max Inlet Temp: 250°F
• Max Discharge Temp: 400°F
• Unload Pressure: 60 PSI
• Oil Press Idle: 5 PSI
• Oil Press Max: 15 PSI
• Oil Cap: 0.53 qt
• Discharge Line: 1/2 in OD
• Coolant Line: 3/8 in OD
• Oil Supply: 1/4 in OD
• Oil Return: 1/2 in OD
• Air Inlet: 5/8 in ID
Applications:
Designed for Detroit Diesel engine applications requiring TF-400 flange-mounted compressors with 0° tilt and right-side port configuration. Used in semi trucks, buses, and commercial vehicles with air brake systems.
CROSS-REFERENCE(S):
276778X, TF400 Detroit, 276166X, 1W6473, 102655, 108202TP
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Flange mount with 0° tilt; confirm mounting configuration before installation
✔ Engine-driven with right-side air ports (viewed from rear)
✔ Typical flange nut torque: 80–100 ft-lbs
✔ Installation must follow OEM torque and orientation guidelines
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
