Description
109861X – TF-550 CAT COMPRESSOR (CATERPILLAR C10 / C12 / C15 / C16 / 3406 SERIES)
PART NUMBER(S):
Fleet Products: 109861X (Remanufactured) | OE: 109861, 109139, 109138
DESCRIPTION:
Model: TF-550 CAT Compressor
Vehicles: Caterpillar C10, C12, C15, C16, 3406 Series
• Compressor Type: 2-Cylinder, Single Stage, Reciprocating
• CFM (Displacement): 13.2 @ 1,250 RPM
• Cooling: Water Cooled
• Mounting: Engine Driven, Flange Mount
• Air Inlet Port: Left
• Air Outlet Port: Top or Left (optional discharge positions)
• Shaft Type: Threaded Crankshaft
• Bore: ~2.78 in
• Stroke: ~33 mm
• Discharge Port: 1/2"-14 NPT
• Governor Port: 1/8"-27 NPT
• Weight: Approx. 58.5 lbs
• Condition: Remanufactured
• Features: Built to OEM standards, includes crankshaft options for severe-duty fitments; port orientation viewed from rear
Applications:
Engineered for Caterpillar engines including C10, C12, C15, C16, and 3406 used in heavy-duty trucks, semi trucks, and commercial vehicles. Delivers 13.2 CFM to power brake and auxiliary air systems in linehaul and vocational chassis.
CROSS-REFERENCE(S):
109861, 109139, 109138, 5002032, 5002984, OR8340, 5005606A 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 gaskets and seals during installation
✔ Port orientation is viewed from the rear
✔ Core return required for all remanufactured units
✔ No official torque values published for flange or port threads—use standard TF-series torque ranges if required
✔ Ensure thread compatibility and confirm crankshaft engagement during install
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
