Description
BA-921 DETROIT CERTIFIED REMANUFACTURED AIR BRAKE COMPRESSOR DDA SERIES 60
PART NUMBER(S):
Fleet Products: 5018485X (Remanufactured) | Replaces OE: Detroit Diesel: 23527870, 23531247, 23531259, 23531315, 23532823, 23532832, 23533645, 23535534, R23531247, R23531259, R23532832, R23535534 | Bendix: 5010119, 5010821, 5010822, 5010823, 5010824, 5012794, 5014382, 5016612, 5016613, 5016614, 5016799, 5018485, 5018514, 5018516, 5018522, 5018523, 801287, 802767, K109119 | Mack: 745-5010824, 745-5016613, 745-5016799, 7455010824, 7455016613, 7455016799 | Automann: 170.AC5018485HD
DESCRIPTION:
Model: Bendix BA-921 Detroit Air Brake Compressor
Vehicles: Detroit Diesel Series 60 EGR / DDC Low Emissions S60 pre-2007 engine applications
• Head type: 4-bolt head
• Cylinder head: Aluminum
• Oil drain: Rear oil drain back
• Drive gear: 63-tooth gear with 21-tooth spline
• Thru-drive: 9-tooth spline
• Type: Single-cylinder reciprocating compressor with integrated unloader
• Cooling: Water-cooled head, air-cooled crankcase
• Air inlet location: Top
• Air outlet location: Side
• Cylinders: 1
• Bore × Stroke: 3.622 in × 2.126 in
• Rated displacement: 15.8 CFM @ 1250 RPM
• Flow: 11.6 CFM @ 1800 RPM / 120 PSI
• Flow: 16.5 CFM @ 3000 RPM / 120 PSI
• Power requirement: 4.6 HP loaded / 0.8 HP unloaded @ 1800 RPM / 120 PSIG
• Minimum coolant flow: 1.5 GPM
• Minimum oil pressure: 15 PSI
• Minimum governor cut-out pressure: 120 PSI
• Minimum unloader line I.D.: 3/16 in
• Temperature range: 170°F inlet / 400°F discharge
• Cylinder head fastener torque: 265–292 in-lb
• Governor adapter fastener torque: 195–213 in-lb
• Rear end cover fastener torque: 195–213 in-lb
• Inlet port fitting: M27 × 2, 991–1089 in-lb
• Discharge port fitting: M22 × 1.5, 814–912 in-lb
• Water port fitting: M18 × 1.5, 593–637 in-lb
• Oil port fitting: 7/16-16 UNF, 150–170 in-lb
• Unloader port fitting: 1/8-27 NPT, 2–3 turns from finger tight
• Includes installation gaskets
• Gear not included unless specified
Applications:
Designed for Detroit Diesel Series 60 EGR / DDC Low Emissions S60 pre-2007 engine applications requiring a Bendix BA-921 compressor with 4-bolt head, rear oil drain back, and side air outlet. Supplies compressed air for heavy-duty air brake systems using the original Detroit mounting and thru-drive configuration.
CROSS-REFERENCE(S):
23527870, 23531247, 23531259, 23531315, 23532823, 23532832, 23533645, 23535534, R23531247, R23531259, R23532832, R23535534, 5010119, 5010821, 5010822, 5010823, 5010824, 5012794, 5014382, 5016612, 5016613, 5016614, 5016799, 5018485, 5018514, 5018516, 5018522, 5018523, 801287, 802767, K109119, 745-5010824, 745-5016613, 745-5016799, 7455010824, 7455016613, 7455016799, 170.AC5018485HD, 165-179-0004, 1651790004, 2600-040-001, 2600040001, 4L-7-143, 4L7143, 5010821X, 5010823X, 5010824X, 5012794X, 5016614X, 5016799X, 5018485BXR, 5018485X, 5018516X, 5018523X, 620012, 702006AT, BXR5018485, C23535534, DDC23535534, DDE23535534, DET5018485, P23532823, P23533645, P23535534, T-5010119, T5010119, ZZ5018485, 23532832, 23535534, 23531247, 23533645, 23527870
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Maintain minimum coolant flow of 1.5 GPM
✔ Confirm external oil supply line is connected before startup
✔ Verify rear oil drain back configuration before installation
✔ Confirm 4-bolt head configuration and side air outlet layout before installation
✔ Replace all mounting gaskets and sealing components during installation
✔ Verify air, oil, and coolant fittings are properly sealed before operation
✔ Drain air reservoirs before servicing air brake components
✔ Torque all fasteners and fittings to the specified values before returning vehicle to service
Warranty Information
