Description
5004613X – TF-550 NAVISTAR DT466/HT530 AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 5004613X (Remanufactured), Replacable with 5004614X (TF-750) | Replaces OE: Bendix: 065273, 065457, 109087, 109088, 109111, 5004611, 5004613, 500716, 800468, 801484 | DINA: 2991783C91 | Mack: 745065457, 745800468, 745O65457 | Navistar: 1694005C91, 1694005C92, 1694953C91, 2003252C91, 2003252C92, 2003252C93, 2003252C94, 2003252C95, 2003252C96, 2003252C97, 2003253C, 3663597C91, 570287C94 | Volvo: 85102174 | CAT: 1043823, 1067851, 1067852, 1069089, 107979, 108194, 108987, 1092996, 1221713, 1236356, 12546827, 1259562, 15977688, 15978946, 1647557, 1647558, 4P0596, 4P2419, 4P3596, 4P5435, 6I1670
DESCRIPTION:
Model: Bendix Tu-Flo 550 (TF-550) Navistar Air Brake Compressor
Vehicles: Navistar DT466, HT530, HT570 engines, 3600 school bus chassis, 4000/4700 medium trucks, International I-6 Pre-2004 and IC bus applications
• Engine Fitment: DT466, HT530, HT570 diesel platforms
• Cooling Type: Water-cooled
• Mounting: Flange mount
• Pulley Drive: Belt-driven
• Crankshaft: Tapered shaft with 11-tooth gear
• Inlet Port Location: Left side
• Outlet Port Location: Top vertical discharge
• Port Type: Metric for HT530/HT570 variants
• No. of Cylinders: 2, 298 CC
• Bore x Stroke: 2.78 in x 1.50 in
• 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
CROSS-REFERENCE(S):
104-3823, 106-7851, 106-7852, 106-9089, 107-979, 108-194, 108-987, 109-2996, 122-1713, 123-6356, 125-9562, 164-7557, 164-7558, 4P-0596, 4P-2419, 4P-3596, 4P-5435, 6I-1670, 0109087, 0109088, 043074, 109088X, 421000, 5000559, 5012663, 065457, S13761
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 DT466/HT530/HT570 fitment, 11-tooth tapered drive, flange mounting, and top 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 supply/return 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