Description
TF-550 CAT COMPRESSOR – REMAN
PART NUMBER(S):
Fleet Products: 109603X (Reman) 109604X (TF-750) | OE: 109542, 065606, 109542, 109543, 109544, 109603, 065606 | 113-7665 | CAT 113-7665, 0R3410, 0R4382, 0R9762, 4P0619, 109542, 109543, 109544, R955109603X, 107917X, EL13301X, 107917, 0R3404, THOMAS BUILT 61130329, 5001773, 5001774 | OR-8328
DESCRIPTION:
Model: TF-550 CAT Crankshaft: 22 Tooth Spline
Vehicles: Caterpillar 3176, C15, C16, C12, C10, 3406 engines, Heavy Trucks, Semi Trucks, 18 Wheelers, Commercial Trucks
• Air Inlet: Left
• Air Outlet: Left or Top (optional)
• Mounting: Flange Mount, 3-Bolt, 22 Spline
• Cooling: Water Cooled
• Head Rotation: Right
• Block Rotation: Right
- Cylinders: 2
- Bore x Stroke: 2.78 in x 1.50 in
- Flow @1250 RPM: 13.2 CFM
- Max RPM: 3000
- HP @1250 RPM /120 PSIG: 2.5 HP
- Min Coolant Flow @Max RPM: 2.5 gpm
- Min Unload Pressure: 60 PSIG
- Oil Pressure: 15 PSIG (idle & governed)
- Temp Range: 250°F inlet / 400°F discharge
Port Sizes (NPT)
- Water In / Out: 1/2-14
- Air Discharge: 1/2-14
- Governor: 1/8-27
- Oil Inlet: 1/8-27
- Oil Return (base): 1/2-14
Minimum Line Sizes
- Discharge: 1/2 in ID
- Coolant: 3/8 in ID
- Oil Supply: 3/16 in ID
- Oil Return: 1/2 in ID
- Air Inlet: 5/8 in ID
- Unloader: 3/16 in ID
• Discharge Type: Top/Flange
Applications:
The TF-550 CAT Compressor (109603X) is designed for use in Caterpillar engines such as 3176, C15, C16, C12, C10, and 3406. This compressor is engineered to efficiently pressurize air for air brake systems in heavy-duty trucks, 18 wheelers, and commercial vehicles. With a flange mount and 22 spline connection, it offers both left and top outlet options, delivering 13.2 CFM at 1,250 RPM. Its water-cooled design ensures optimal performance in demanding applications. 107917,0R3404 - TAKE CARE WITH FLANGE - IF 5 BOLT, 0R4382, 0R4382 (0R 109544X), USE 109251X
CROSS-REFERENCE(S):
109603, 107917, 065606, 065266, 5006820, 109542, 109543, 109544, 109653X, 108804X, 107506X, 107836X, 109440X, 109439, 5000630, 109440BXR, 1137665, 3949432, 65671, 800017, BW , R23505235, R3505235, 065217BXW, 5MB533, 6316568, 0107806, 0107807, 0107917, 0108729, 0108988, 0109542, 0109543, 0109544, 0109603, 065606, 0r-4382, 0r-9762, 0r4382, 0r9762, 107806, 107807, 107917, 107917x, 108729, 108988, 109542, 109543, 109544, 109544x, 109603, 113-7665, 1137665, 165-179-0009, 1651790009, 5006820, 5006820x, 5017803, 65606, 701069AT
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:
- Maintain minimum 2.5 gpm coolant flow.
- Do not exceed 3000 RPM.
- Use properly sized discharge line with downward slope.
- Ensure oil supply/return lines are unrestricted before startup.
- Drain all air reservoirs before service.
Suggested torque
- Cylinder Head: 440–500 in-lb
- Inlet / Discharge Fittings: 175–225 in-lb
- Pipe Plugs: 35–270 in-lb (size dependent)
- Crankshaft Nut (Castle): 1200–1440 in-lb (100–120 ft-lb)
- Crankshaft Nut (Metric): 2640–3048 in-lb (220–254 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.
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Warranty Information
