Description
5005790X - TF-550 CAT COMPRESSOR (ROTATE COVER 180°) LONG STUDS – REMAN
PART NUMBER(S):
Fleet Products: 5005790X (Remanufactured) | Replaces OE: Caterpillar 1671288, 167-1288, 185-5140, 0R5253, 0R8442, 102-9553, 139-9009, 164-7564 | Bendix 109863, 109142, 5001533, 5001534, 5002082, 5002826, 5005421, 5005491, 5005606, 5005770, 5005790, 5005791, 5007465, 5007466, 5007467, 5007471, 800594, 800724, K046145
DESCRIPTION:
Model: TF-550 CAT Compressor (Rotate Cover 180’)
Vehicles: Caterpillar engine platforms (3176, C15, C16, C7 Acert, C9 Acert)
• Type: Single stage, reciprocating piston
• Mounting: Flange Mount
• Drive: Engine Driven
• Cooling: Water Cooled
• Air Inlet: Left
• Air Outlet: Top
• Cylinders: 2
• Bore x Stroke: 2.78 in x 1.50 in 297.6 CC
• Displ @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)
• Max Inlet Temp: 250°F
• Max Discharge Temp: 400°F
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
• Notes: Crankshaft thread, Mack style; end cover has studs
• Includes: Rear flange cover
• Additional Features: Spline shaft, 22-tooth
Applications:
Direct-fit replacement for Caterpillar engine applications, including 3176, C15, C16, and C7 Acert. Ideal for heavy-duty trucks, vocational equipment, and construction fleets requiring high-performance air brake compressors.
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.
Warranty Information
