Description
TF-550 CAT COMPRESSOR
PART NUMBER(S):
Fleet Products: 107981X (Remanufactured), 109552X (TF-750)
Bendix: 65273, 107979, 107980, 107981, 108193, 108194, 108236, 108237, 108730, 108987, 109136, 109253, 109367, 109522, 109882, 5000559, 065273
CAT 0R3391, 4P0596, 4P-0596, 4P2419, 4P-2419, 4P3956, 4P-3956, 4P5435, 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
Mack 745X107981
Volvo 3093850, 8166665
Other: S-13761, 31.5 TILT VARIENTS: 109552, 065601, 1096236, 109551, 5000799 (CAT: 106-7852, 122-1713)
DESCRIPTION:
Model: TF-550 CAT (Bendix Tu-Flo 550 Series)
Vehicles: Caterpillar 3116, 3406B, 3176, TRUCK ENGINE C7 3126E 3126 3126B 3114 3116
INDUSTRIAL ENGINE 3116 3126
WHEEL LOADER 960F 950F 950F II
• Cylinder Count: 2
• Bore: 2.75 in (70 mm)
• Stroke: 1.5 in (38 mm)
• Mounting: Flange Mount (31.5° tilt)
• Drive Type: Gear Driven, 11 Tooth Spline Shaft
• Cooling: Water cooled head, air cooled block
• Air Inlet Port: Left (optional Top)
• Air Outlet Port: Left or Top
- Cylinders: 2
- Bore x Stroke: 2.78 in x 1.50 in
- Flow @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)
- Temp Range: 250°F inlet / 400°F discharge
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
Applications:
Designed for use in heavy-duty applications such as air brake systems in trucks, commercial vehicles, and Caterpillar engines like the 3116, 3406B, and 3176. Engine-driven applications requiring a durable, reliable compressor that meets OEM standards.
CROSS-REFERENCE(S):
0R3391, 065273, 065457, 065461, 065601, 104-3823, 106-7851, 106-7852, 106-9089, 107979, 107980, 107981, 108193, 108194, 108236, 108237, 108730, 108987, 109-2996, 109087, 109088, 109110, 109111, 109111X, 109136, 109253, 109367, 109522, 109551, 109552, 109626, 109882, 122-1713, 125-9562, 12546827, 15977688, 15978946, 164-7557, 164-7558, 1694-005-C, 1694005C91, 1694005C92, 1696-864-C, 1696864C91, 1696864C92, 170.AC5004613, 2003-252-C, 2003-253-C, 2003253C94, 2003253C95, 2003253C96, 2003253C97, 2530-01-398-3384, 3093850, 4P-0596, 4P-2419, 4P-3596, 4P-3956, 4P-3986, 4P-5435, 5000559, 5000799, 5004611, 5004612, 5004613BXR, 5004614, 5004614X, 5005412, 5005413, 5006716, 5010279, 5011016X, 65273, 65457, 65461, 65601, 6I-1670, 800468, 800469, 801485, 8166665, 85102174, BEN-5004614, BEN-800468, BEN-800469, BER-5004614, BW065273, BW065457, BW065461, BW065601, BW107979, BW107980, BW107981, BW108193, BW108194, BW108236, BW108237, BW108730, BW108987, BW109087, BW109088, BW109110, BW109111, BW109136, BW109253, BW109367, BW109522, BW109551, BW109552, BW109626, BW109882, BW5000559, BW5000799, BW5004611, BW5004612, BW5004613, BW5004614, BW5005412, BW5005413, BW5006716, BW5010279, BW800468, BW800469, BW801485, BX065273, BX065457, BX065461, BX065601, BX107979, BX107980, BX107981, BX108193, BX108194, BX108236, BX108237, BX108730, BX108987, BX109087, BX109088, BX109110, BX109111, BX109136, BX109253, BX109367, BX109522, BX109551, BX109552, BX109626, BX109882, BX5000559, BX5000799, BX5004611, BX5004612, BX5004613, BX5004613X, BX5004614, BX5005412, BX5005413, BX5006716, BX5010279, BX800468, BX800469, BX801485, EL16280X, FLTBC113, FLTBC114, OR-3391, S-13761, S13761.
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.
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