Description
107981X – TF-550 CAT 31.5° TILT AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 107981X (Remanufactured), Replacable with 109552X (TF-750) | Replaces OE: Automann: 170.AC5004613 | Bendix: 65273, 107979, 107980, 107981, 108193, 108194, 108236, 108237, 108730, 108987, 109136, 109253, 109367, 109522, 109882, 5000559, 065273, 065457, 065461, 065601, 65457, 65461, 65601, 109087, 109088, 109110, 109111, 109111X, 109551, 109552, 109626, 5000799, 5004611, 5004612, 5004613, 5004613X, 5005412, 5005413, 5006716, 5010279, 800468, 800469, 801485 | CAT: 0R3391, 0R-3391, 4P0596, 4P-0596, 4P2419, 4P-2419, 4P3956, 4P-3956, 4P-3596, 4P-3986, 4P5435, 4P-5435, 6I1670, 6I-1670, 104-3823, 106-7851, 106-7852, 106-9089, 109-2996, 122-1713, 125-9562, 164-7557, 164-7558, 396-9942, 5001940 | GMC: 12546827, 15977688, 15978946 | Navistar: 1694-005-C, 1694005C91, 1694005C92, 1696-864-C, 1696864C91, 1696864C92, 2003-252-C, 2003-253-C, 2003253C95, 2003253C96, 2003253C97 | Volvo: 3093850, 8166665
DESCRIPTION:
Model: Bendix Tu-Flo 550 (TF-550) CAT 31.5° Tilt Air Brake Compressor
Vehicles: Caterpillar 3116, 3406B, 3176, C7, 3126E, 3126, 3126B, 3114, industrial 3116/3126, and Caterpillar 960F, 950F, 950F II wheel loader applications
• Bore x Stroke: 2.78 in x 1.50 in
• Air Inlet Port Location: Left, optional top
• Air Outlet Port Location: Left or top
• Mounting: Flange mount, 31.5° tilt
• Drive Type: Gear driven, 11-tooth spline shaft
• Construction: Water-cooled head, air-cooled block
• No. of Cylinders: 2
• Flow Rate: 13.2 CFM at 1250 RPM
• Maximum RPM: 3000
• Horsepower: 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 Range: 250°F inlet / 400°F discharge
• Minimum Line Sizes: 5/8 in ID air inlet, 1/2 in ID discharge, 3/8 in ID coolant, 3/16 in ID oil supply, 1/2 in ID oil return, 3/16 in ID unloader
• 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
CROSS-REFERENCE(S):
OR3391, 1043823, 1067851, 1067852, 1069089, 1092996, 1221713, 1259562, 1647557, 1647558, 3969942, 500-1940, S-13761, S13761, 1096236, 2530-01-398-3384, 5004613BXR, 5011016X, 85102174, EL16280X, FLTBC113, FLTBC114
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 Caterpillar 31.5° tilt, 11-tooth spline shaft, flange mounting, and left/top port orientation 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
