Description
BA-921 DETROIT "CERTIFIED REMANUFACTURED" AIR BRAKE COMPRESSOR – DDA SERIES 60
PART NUMBER(S):
Fleet Products: 5018485X (Reman) | OE: Bendix OE DDC: 5016612, 5018514 | Bendix Service DDC: 5016613, 5018522 | Bendix Reman DDC: 5016614, 5018523 | DDC: 5016799, 5018516 | Bendix Service: 802767 | Bendix Reman: 5018485 | OE: 1651790004, 23527870, 23531247, 23531259, 23531315, 23532823, 23532832, 23533645, 23535534, 2600040001, 4L7143, 5010119, 5010821, 5010822, 5010823, 5010824, 5012794, 5014382, 5016612, 5016613, 5016614, 5016799, 5018485, 5018514, 5018516, 5018522, 5018523, 620012, 702006AT
DESCRIPTION:
Model: Bendix BA-921 (4-bolt head and 63 tooth drive gear with a 21 tooth spline) Rear Oil Drain Back / Aluminum Cylinder Head*
Vehicles: Detroit Diesel Series 60 with EGR DDC Low Emissions S60 (Pre-2007)
• Engine drive air compressor for heavy-duty commercial trucks
• Single-cylinder, reciprocating design with integrated unloader
• Cooling: Water-cooled head, air-cooled crankcase
• Air Inlet Location: Top
• Air Outlet Location: Side
- Cylinders: 1
- Bore x Stroke: 3.622 in x 2.126 in
- Displacement @1250 RPM: 15.8 CFM
- Flow @1800 RPM /120 PSI: 11.6 CFM
- Flow @3000 RPM /120 PSI: 16.5 CFM
- HP @1800 RPM /120 PSIG: 4.6 HP (loaded) / 0.8 HP (unloaded)
- Min Coolant Flow @Max RPM: 1.5 gpm
- Oil Pressure (min): 15 PSI
- Governor Cut-Out (min): 120 PSI
- Unloader Line: 3/16 in ID
- Temp Range: 170°F inlet / 400°F discharge
Port Sizes & Required Torque
- Cylinder Head (M8): 265–292 in-lb
- Governor Adapter (M8): 195–213 in-lb
- Rear End Cover (M10): 195–213 in-lb
- Inlet Port Fitting (M27x2): 991–1089 in-lb
- Discharge Port Fitting (M22x1.5): 814–912 in-lb
- Water Port Fitting (M18x1.5): 593–637 in-lb
- Oil Port (7/16-16 UNF): 150–170 in-lb
- Unloader Port (1/8-27 NPT): 2–3 turns from finger tight
• Thru-Drive Configuration: 9-tooth spline
• Includes installation gaskets (gear not included unless specified)
• Designed specifically for EGR-equipped Detroit Series 60 engines
Applications:
Used in Detroit Diesel Series 60 EGR engines found in Class 8 trucks, commercial haulers, and over-the-road tractors. Delivers pressurized air to braking systems, accessories, and auxiliary systems in high-demand vehicle platforms.
CROSS-REFERENCE(S):
1651790004, 165-179-0004, 23527870, 23531247, 23531259, 23531315, 23532823, 23532832, 23533645, 23535534, 2600040001, 2600-040-001, 4L7143, 4L-7-143, 5010119, 5010821, 5010821X, 5010822, 5010823, 5010823X, 5010824, 5010824X, 5012794, 5012794X, 5014382, 5016612, 5016613, 5016614, 5016614X, 5016799, 5016799X, 5018485, 5018485BXR, 5018485X, 5018514, 5018516, 5018516X, 5018522, 5018523, 5018523X, 620012, 702006AT, 7455010824, 745-5010824, 7455016613, 745-5016613, 7455016799, 745-5016799, 801287, 802767, BXR5018485, DDC23535534, DDE23535534, DET5018485, K109119, P23532823, P23533645, P23535534, R23531247, R23531259, R23535534, T5010119, T-5010119, ZZ5018485
A cross-reference listing means this part may be a suitable replacement for the part numbers listed. Always confirm dimensions and mounting compatibility before installation.
IMPORTANT INSTALLATION NOTES:
- Maintain minimum 1.5 gpm coolant flow.
- Ensure external oil supply line is connected for single piston applications.
- Verify air and coolant fittings are properly sealed before startup.
- Drain air reservoirs before servicing air brake components.
- Verify all fasteners are torqued to specification before returning vehicle to service.
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Warranty Information
