Description
109088X - TF-550 CAT AIR COMPRESSOR (REMANUFACTURED)
PART NUMBER(S):
Fleet Products: 109088X (Remanufactured) 109111X (TF-750 variant) | OE: 109087, 109088, 65457, 109013, 109212, 065376, CAT (1043823, 1069089, 1092996, 1259562, 4P0596, 4P2419), GM (15977688, 15978946) 1694005C91, 1694005C92, 2003252C94, 2003252C95, 2003252C97, 2991783C91, 5004611, 5004612, 5004613, 5004614, , CAT 1170070, 0R8328. 109087, 065457 | Nav. 2003252C94
DESCRIPTION:
Model: TF-550
Vehicles: CAT-powered Navistar and heavy trucks, semi trucks, 18-wheelers, commercial trucks
• Flange Mount, Caterpillar 7° Tilt
• Water-Cooled
• Tapered Shaft, 11 Tooth Accessory Drive
• Optional Top or Left Air Discharge
- 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:
Used in Caterpillar engine platforms requiring TF-550 spec compressors, offering reliable air delivery in heavy-duty trucking environments. Designed for water-cooled systems with multiple discharge configurations and a secure tapered shaft connection. 5004611, 5004611 ( 550or 109111X 750), 5004611 (or 109111X), 5004612, 5004612 ( 550or 109111X 750), 5004612 (or 109111X), 5004613, 5004613 ( 550or 109111X 750), 5004613 (or 109111X), 5004614 ( 550or 109111X 750), 5004614 (or 109111X), 5004614 | 5014484X SAME AS 109088X BUT WITH METRIC HEAD PORTS AND OIL DRAIN IN BASE, 800468.
CROSS-REFERENCE(S):
109087, 5004613, 109088, 5004611X, H109088X, MID109088X, 1694005C91, 1694005C92, 2003252C94, 2003252C95, 2003252C97, 2991783C91, 5004611, 5004613B1, 5004613BXR, 745-800468, 745065457, 745O65457, 800468BXW, 85102174, BAR5004613, BW R5004613, 1043823, 1069089, 107979, 107980, 108193, 108194, 108236, 108237, 109088X, 109136, 1092996, 109367, 109522, 109882, 1259562, 15977688, 15978946, 4P0596, 4P2419, 4P3956, 5000559, 800468BXW, 8166665, EL13280, EL13280M1D, EL13281, NT7028D, 0109087, 0109088, 043074, 065457, 109087, 109087X, 109088, 109088X, 1694005C91, 1694005C92, 2003252C91, 2003252C92, 2003252C93, 2003252C94, 2003252C95, 2003252C96, 2003252C97, 5004611X, 5004613, 5012663, 5012663X, 65457, 800468, 801484, 9555004613X, R9555004613X, BWH5004613X, BW 5004613X, EX5004613X, BX5004613X, BW R5004613, 5004613BXR, BW R5004613/CR, BEN-5004613X, 745-5004613X, 745X-5004613, 5004613B1, ZBX5004613X, 1755004613X, 046255004613X, 745-X5004613, BX5004613B1
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
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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Warranty Information
