5004614X | TF-750 Navistar Compressor (DT466/HT530) 156-9365, 0R9757, 1696864C92, 2003253C94

TF-750 AIR BRAKE COMPRESSOR – DT466/HT530 NAVISTAR ENGINE

PART NUMBER(S):
Fleet Products: 5004614X (Remanufactured) | OE: Navistar 1696864C91, 1696864C92, 2003253C94, 2003253C95, 2003253C97, 5004880X | CAT 156-9365, 0R9757, 5004614, 5004612, 109659X

DESCRIPTION:

Model: Tu-Flo 750
Vehicles: Navistar DT466, HT530, HT570 Engines (Various vocational, medium-duty trucks & buses)
• Rated Output: 16.5 CFM @ 1250 RPM
• Configuration: Two-cylinder, single-stage, reciprocating compressor
• Mounting: Flange mount
• Cooling: Water-cooled
• Air Inlet Location: Right
• Air Outlet Location: Left/top (optional discharge type)
• Shaft: 11-tooth tapered accessory drive
• Cylinder Head: Dual 180° install options; iron cast
• Governor Mounting: Front and rear ports

• 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 (*METRIC*)

• Water In / Out: M18
• Oil Inlet / Return: M10
• Air Discharge: 1/2-14 NPT
• Governor: 1/8-27 NPT

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:
The TF-750 is a high-capacity air compressor for air brake systems and auxiliary pneumatic functions on heavy-duty Navistar-powered platforms. Ideal for severe-service duty cycles in vocational trucks, 18-wheelers, and buses. Designed to deliver dependable performance under sustained loads in DT466 and HT-series engine environments.

CROSS-REFERENCE(S):

5004614, 5004612, 109659X, 109287X, 5004118, 065461, 2003253C94, 2003253C95, 2003253C97, 1696864C91, 1696864C92, 745-5004614X, BW5004614X, R9555004614X, BX5004614, BAR5004614, 800469

A cross-reference listing means this part may be a suitable replacement for the part numbers listed. Always confirm specifications match your application before installation.

IMPORTANT INSTALLATION NOTES:

• Maintain minimum 2.5 gpm coolant flow.
• Do not exceed 2400 RPM.
• Use correct discharge line size with continuous downward slope.
• Ensure oil lines are primed and leak-free before startup.
• Drain reservoirs 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)

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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