Description
227331X – TF-500 PULLEY DRIVE COMPRESSOR (BENDIX STYLE, 4-HOLE BASE)
PART NUMBER(S):
Fleet Products: 227331X (Remanufactured) | OE: 227331, 227321, 227029, 227207, 227331, 228270, 229031, 276002, 277890, 278342, 278659, 281975, 283387, 283388, 283389
DESCRIPTION:
Model: TF-500 Pulley Drive Compressor
Vehicles: Heavy trucks, semi trucks, 18-wheelers, commercial trucks
• Compressor Type: Single Cylinder, Single Stage, Reciprocating
• CFM (Displacement): 12.0 @ 1,250 RPM
• Bore: 2.5 in
• Stroke: 1.6875 in
• Cooling: Water Cooled
• Drive Type: Pulley Drive (Belt-Driven)
• Mounting: 4-Hole Base Mount
• Shaft Length: 2.14–2.23 in
• Head Rotation: Right
• Block Rotation: Right
• Air Inlet Port: Left
• Air Outlet Port: Left
• Discharge Type: Flange
• External Shaft Length: 2.14 in.
• Cylinders: 2
• Bore: 2.5 in
• Stroke: 1.6875 in
• Displ @1250 RPM: 12 CFM
• Max RPM: 3000 WC / 2400 AC
• Coolant Flow: 2.5 gpm
• Air Flow Req: 250 CFM
• HP @1250: 2.3 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: 5/8 in OD
• Coolant Line: 1/2 in OD
• Oil Supply: 1/4 in OD
• Oil Return: 5/8 in OD
• Air Inlet: 5/8 in ID
Applications:
Used in brake systems for trucks requiring a pulley-driven compressor with compact base mount. Ideal for space-constrained engine bays in fleet and vocational vehicle configurations.
CROSS-REFERENCE(S):
227331, 227321, TF-500, 4-HOLE BASE, 227320TP, BX227320X, 745227320, 04625227320X
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:
✔ Use all new installation gaskets and seals
✔ Confirm belt tension and pulley alignment
✔ Head is rotatable to suit left or top discharge configuration
✔ Verify correct shaft engagement depth (2.14–2.23 in)
✔ Core return required for all reman purchases
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
