Description
5005790X - TF-550 CAT ROTATE COVER 180° LONG STUD AIR BRAKE COMPRESSOR – REMANUFACTURED
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: Bendix Tu-Flo 550 (TF-550) CAT Rotate Cover 180° Long Stud Air Brake Compressor
Vehicles: Caterpillar 3176, C15, C16, C7 ACERT, and C9 ACERT engine platforms
• Type: Single-stage, reciprocating piston air brake compressor
• Mounting: Flange mount
• Drive: Engine driven
• Cooling: Water cooled
• Air Inlet Location: Left
• Air Outlet Location: Top
• No. of Cylinders: 2
• Bore x Stroke: 2.78 in x 1.50 in
• Displacement: 297.6 CC
• Displacement @ 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 and governed
• Temperature Range: 250°F inlet / 400°F discharge
• Port Sizes: 1/2-14 NPT water in/out, 1/2-14 NPT air discharge, 1/8-27 NPT governor, 1/8-27 NPT oil inlet, 1/2-14 NPT oil return
• Minimum Line Sizes: 1/2 in ID discharge, 3/8 in ID coolant, 3/16 in ID oil supply, 1/2 in ID oil return, 5/8 in ID air inlet, 3/16 in ID unloader
• Crankshaft Thread: Mack style
• End Cover: Studded rear cover, rotate cover 180° configuration
• Includes: Rear flange cover
• Shaft: 22-tooth spline shaft
Applications:
Used on Caterpillar 3176, C15, C16, C7 ACERT, and C9 ACERT engine applications requiring a TF-550 compressor with 22-tooth spline shaft, Mack-style crankshaft thread, and studded rear cover configuration. The compressor supplies air for service brake and auxiliary pneumatic systems and is typically replaced due to reduced air output, oil carryover, overheating, or internal wear.
CROSS-REFERENCE(S):
1855140, 0R-5253, OR5253, 0R-8442, OR8442, 1029553, 1399009, 1647564
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Verify rotate cover 180° configuration, long studs, Mack-style crankshaft thread, and 22-tooth spline shaft before installation
✔ Confirm CAT engine fitment, flange mounting, left inlet, top outlet, and rear flange cover configuration
✔ Maintain minimum 2.5 GPM coolant flow and do not exceed 3000 RPM
✔ Use properly sized discharge, coolant, oil supply, oil return, air inlet, and unloader lines; keep oil lines unrestricted before startup
✔ Suggested torque: cylinder head 440–500 in-lb; inlet/discharge fittings 175–225 in-lb; pipe plugs 35–270 in-lb; crankshaft castle nut 1200–1440 in-lb; crankshaft metric nut 2640–3048 in-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
