Description
109088X – TF-550 CAT 7° TILT AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 109088X (Remanufactured), Replacable with 109111X (TF-750) | Replaces OE: Bendix: 065376, 065457, 109013, 109087, 109088, 109212, 5004611, 5004612, 5004613, 5004614, 65457, 800468, 801484 | CAT: 0R8328, 1043823, 1069089, 107979, 107980, 108193, 108194, 108236, 108237, 1092996, 1170070, 1259562, 4P0596, 4P2419, 4P3956 | GM: 15977688, 15978946 | Navistar: 1694005C91, 1694005C92, 2003252C91, 2003252C92, 2003252C93, 2003252C94, 2003252C95, 2003252C96, 2003252C97, 2991783C91 | Volvo: 85102174 | Mack: 745-5004613X, 745-800468, 745-X5004613, 745065457, 745O65457, 745X-5004613
DESCRIPTION:
Model: Bendix Tu-Flo 550 (TF-550) CAT Air Brake Compressor
Vehicles: CAT-powered Navistar, semi truck, 18-wheeler, and commercial truck applications
• Bore x Stroke: 2.78 in x 1.50 in
• Minimum Line Sizes: 1/2 in ID discharge/oil return, 3/8 in ID coolant, 3/16 in ID oil supply/unloader, 5/8 in ID air inlet
• Port Sizes: 1/2-14 NPT water in/out and air discharge, 1/8-27 NPT governor and oil inlet, 1/2-14 NPT oil return
• Air Discharge: Top or left, optional
• Mounting: Flange mount, Caterpillar 7° tilt
• Drive: Tapered shaft, 11-tooth accessory drive
• Cooling: Water-cooled
• No. of Cylinders: 2
• Flow: 13.2 CFM at 1250 RPM
• Maximum RPM: 3000
• Power: 2.5 HP at 1250 RPM / 120 PSIG
• Minimum Coolant Flow: 2.5 GPM at maximum RPM
• Minimum Unload Pressure: 60 PSIG
• Oil Pressure: 15 PSIG at idle and governed
• Temperature: 250°F inlet / 400°F discharge
Applications:
Used on CAT-powered Navistar applications requiring a 7° tilt TF-550 compressor with tapered shaft and 11-tooth accessory drive. The compressor supplies air for heavy-duty service brake and auxiliary pneumatic systems and is typically replaced due to reduced air delivery, oil carryover, overheating, or internal wear.
CROSS-REFERENCE(S):
OR8328, 0R-8328, 104-3823, 106-9089, 107-979, 107-980, 108-193, 108-194, 108-236, 108-237, 109-2996, 117-0070, 125-9562, 4P-0596, 4P-2419, 4P-3956, 0109087, 0109088, 043074, 046255004613X, 109087X, 109136, 109367, 109522, 109882, 1755004613X, 5000559, 5004611X, 5004613B1, 5004613BXR, 5012663, 5012663X, 800468BXW, 8166665, 9555004613X, BAR5004613, BEN-5004613X, BW 5004613X, BW R5004613, BW R5004613/CR, BWH5004613X, BX5004613B1, BX5004613X, EL13280, EL13280M1D, EL13281, EX5004613X, H109088X, MID109088X, NT7028D, R9555004613X, ZBX5004613X
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 CAT 7° tilt mounting, tapered shaft, 11-tooth accessory drive, and top/left discharge configuration before installation
✔ 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 as specified
✔ Route the discharge line with proper downward slope, keep oil lines unrestricted, and drain reservoirs before service
✔ 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
