Description
107509X – TF-550 CATERPILLAR "CERTIFIED REMANUFACTURED" AIR BRAKE COMPRESSOR
PART NUMBER(S):
Fleet Products: 107509X (Remanufactured) 107508X (TF-750) | OE: 107003, 107509, 107914, 108969, 108986, 065200 | CAT 0R3659, 0R9764, 4P0676 | Volvo 85101164, 107509, 107914, 4P0676, 107003, 108969, 4P0676, L2190T, OR3659
DESCRIPTION:
Model: Tu-Flo 550 (TF-550)
Vehicles: CAT 3406B, 3176, C15, C16
• Mounting: Flange mount, Tapered Shaft
• Cooling: Dual-cooled (Water and Air)
• Air Inlet: Left side
• Air Outlet: Left or Top (dual ports)
• Crankshaft Thread: M20 x 1.5
- 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:
For use in heavy-duty Caterpillar diesel platforms including CAT 3406B, 3176, C15, and C16 engines. This TF-550 flange-mount air compressor is engineered to support commercial-grade air brake systems in semi trucks and vocational trucks. Ideal for applications requiring twin-cylinder durability and flexible plumbing orientation.
CROSS-REFERENCE(S):
065200, 07003, 07509, 0R3659, 0R9764, 107003, 107509, 107509X, 107509X-BW, 107914, 108969, 108986, 170AC107509, 4P0676, 5006822, 5010358, 6520, 65200, 745-107509X, 85101164, ABP N13AC 0R3659, BC2-25551, BE107509X, BW107003, BW107509, BW107509X, BWBWR107509, BWR107509, BWR107509X, BX065200, BX107003, BX107509, BX107509X, BX107914, BXR107509, BXR107509X, EBN107509X, FVBWR107509, H107509X, HDX107509X, MD107509X, MI107509X, MID107509X, MSMX107509X, MX107509X, OR3659, P107509, R107003, R107509, R107509X, R955107509X, S17326, 107003, 107509, 107914, 108969, 108986, 65200 CAT: 4P0676, L2190T, 0R3659
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all specifications before installation.
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.
WHY CHOOSE Fleet Products | KBR - Heavy Duty Truck & Trailer PARTS?
• Canadian-owned since 1985
• Trusted by fleets, mechanics, and B2B partners across North America
• Fast, Reliable Shipping Across North America
• Competitive pricing with Core Return Refunds
• Price Match Guarantee – Find a better price? We’ll beat the difference by 10%!
Warranty Information
