Description
BA-922 AIR BRAKE COMPRESSOR – DETROIT SERIES 60 / 50
PART NUMBER(S):
Fleet Products: 5012895X (Remanufactured) | OE:5012895, 5018523, K109119, 5012893, 5012894, 5013262, 801535, 23523382, 23531136, 23533382, R23533382, 5016895X, 5015207, 5011471, P355836R, 5012893X, 165-179-2895, 1651792895, 5012895X, K032063, 5013059, RE537275, Bendix Reman: 5012895 | Bendix Service: 801535 | DDC Reman: R23533382 | Bendix Reman: 5012894 | DDC Service: 23533382 | Bendix Service: 5012893
DESCRIPTION:
Model: BA-922 “Big Twin” (63 tooth drive gear with a 21 tooth spline)
Vehicles: Detroit Diesel Series 60 / 50 Engines EGR
• Mounting: 63 tooth drive gear with a 21 tooth spline
• Cooling: Water-cooled head
• Air Inlet & Outlet: Top (threaded ports)
• Lubrication: Pressure-fed from engine oil
• Drive: Gear-driven, thru-drive rated to 25 hp (125 ft-lbs)
- Cylinders: 2
- Bore x Stroke: 3.622 in x 2.125 in
- Displacement @1250 RPM: 31.7 CFM
- Flow @1800 RPM /120 PSI: 25.2 CFM
- Flow @3000 RPM /120 PSI: 38.4 CFM
- Max RPM: 3000
- HP @1800 RPM /120 PSIG: 8.73 HP (loaded) / 1.96 HP (unloaded)
- Min Coolant Flow @Max RPM: 2.0 gpm
- Oil Pressure (min): 15 PSI
- Governor Cut-Out (min): 120 PSI
- Oil Supply Line: 3/16 in ID
- Unloader Line: 3/16 in ID
- Temp Range: 170°F inlet / 350°F discharge
Port Sizes
- Air Inlet: 1 3/16-12 UN or M27 x 2
- Air Discharge: 7/8-14 UNF or M22 x 1.5
- Water Ports: 3/4-16 UNF or M18 x 1.5
- Unloader Port: 1/8-27 NPT or M10 x 1.5
- Safety Valve Port: M16 x 1.5 or 3/4-16 UNF
- Oil Port: 7/16-20 UNF or M12 x 1.5
Applications:
Used extensively in Freightliner, Kenworth, Peterbilt, International, and Western Star heavy-duty diesel trucks powered by Detroit Diesel Series 60 and Series 50 engines. Also common in refuse haulers, cement mixers, transit coaches, and multi-trailer vocational fleets requiring high-capacity continuous-duty air systems.
CROSS-REFERENCE(S):
5012895, 5018523, 5016799, 5018514, 802767, K109119, BA-922, 5013058, 5014427X, 5013695, 5013695X, 6319090, 850.5013058, BENDIX 5012893, 5012894, 5012895, 5013262 801535, DETROIT DIESEL 23523382, 23531136
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:
- Ensure oil supply line is primed before startup.
- Verify all air, coolant, and oil connections are properly sealed.
- Drain all air reservoirs before servicing the air brake system.
- Verify compressor mounting hardware and fittings before operation.
Installation Torque Values
- Cylinder Head (M8): 265–292 in-lb
- Governor Adapter (M8): 195–213 in-lb
- Rear End Cover (M8): 195–213 in-lb
- Crankshaft Nut (M20 x 2.5): 1858–2567 in-lb (210–290 Nm)
- Inlet Port Fitting: 575–637 in-lb
- Discharge Port Fitting: 460–504 in-lb
- Water Port Fitting: 319–345 in-lb
- Safety Valve Port: 230–257 in-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
