Description
107869X - TF-750 MACK COMPRESSOR
PART NUMBER(S):
Fleet Products: 107869X (Remanufactured) 277122X (TF-400), 286574X (TF-501), 108329X (TF-550), 280628X (TF-600), 289348X (TF-700) | OE: Mack 303-GB-5109, 7456562, 745065262, 303GB5109, 745107869X, 745O65262, 745X107869, 107869, 107867, 065262, 107868
DESCRIPTION:
Model: TF-750 Mack
Vehicles: Mack V8 trucks (all series using TF-750)
• Air Inlet: Left
• Air Outlet: Left/Top (selectable)
• Cooling: Water and air cooled
• Discharge Type: Threaded – Top or Right selectable
• Mounting Style: Flange mount
• Drive Type: Engine-driven, gear drive
- Cylinders: 2
- Bore x Stroke: 2.78 in x 1.87 in
- Flow @1250 RPM: 16.5 CFM
- Max RPM: 2400
- HP @1250 RPM /120 PSIG: 3.2 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
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 Mack V8-equipped heavy trucks requiring TF-750 compressors. Used for air brake and auxiliary pneumatic systems. This unit is a direct reman replacement built for rugged fleet duty with port orientation viewed from rear.
CROSS-REFERENCE(S):
277122 (TF-400), 286574 (TF-501), 108329 (TF-550), 280628 (TF-600), 289348 (TF-700) 107869X, TF750, 107867, 107868, 065262, 107867, 107868, 107869, 65262
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Port orientation is viewed from the rear during installation
✔ Discharge can be configured for either top or left port—verify with application
- Maintain minimum 2.5 gpm coolant flow.
- Do not exceed 2400 RPM. Replace all gaskets and fittings.
- Use correct discharge line size with continuous downward slope.
- Ensure oil lines are primed and leak-free before startup.
- Drain reservoirs and flush coolant and air lines before air system service.
Suggested torque
- Cylinder Head: 300–360 in-lb
- Inlet / Discharge Fittings: 175–225 in-lb
- Pipe Plugs: 35–270 in-lb (size dependent)
- Crankshaft Nut (Castle): 1200–1400 in-lb (100–120 ft-lb)
- Crankshaft Nut (Metric): 2640–3048 in-lb (220–254 ft-lb)
✔ Flange nuts should be torqued between 80–100 ft-lbs per TF-series compressor guidelines
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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Warranty Information
