Description
5014428N – NEW Yumak BA-921 CAT COMPRESSOR (EXTERNAL LINE)
PART NUMBER(S):
Fleet Products: 5014428N (New) | OE: 5014428, 0R-1623, 385-0936, 5011441, 5012464 (BA921 DETROIT WITH EXTERNAL OIL RETURN LINE), 5014401, 5014402, 5014427, 5014428N, 801826, K056647, 20R-0176, 353-7135, 385-0935, 5010803, 5010803X, 5010804, 5010805, 5010895, 5014489, CAT 20R-0177, 5014402X
DESCRIPTION:
Air Inlet: Top
Air Outlet: Side
Mounting Type: Flange mount Rear Flange Rotation - 30°
Drive: Engine Driven
Cooling Method: Water and Air Cooled
External Oil Line: Yes
Application: Caterpillar C13, C15, C18 engines
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Compressor Model: BA-921
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Bendix Part Number(s): 5014428, 5014428X
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Type: Single-cylinder, single-stage, reciprocating
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Rated Displacement: 15.8 CFM at 1250 RPM
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Bore Diameter: 3.622 in. (92 mm)
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Stroke: 2.126 in. (54 mm)
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Mounting: Flange mount
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Inlet Port Location: Top
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Discharge Port Location: Side
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Cylinder Head: Water-cooled (aluminum or cast iron, 4 or 6 bolts per version)
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Crankcase: Integral air-cooled
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Weight: 47.98 lbs (21.76 kg)
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Horsepower Required: 4.6 HP loaded @ 1800 RPM/120 PSIG; 0.8 HP unloaded @ 1800 RPM
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Minimum Oil Pressure: 15 PSI
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Minimum Oil Supply Line: 3/16" I.D.
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Minimum Unloader Line: 3/16" I.D.
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Minimum Coolant Flow: 2.5 GPM at max RPM
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Max Inlet Air Temp: 250°F
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Max Discharge Air Temp: 400°F
Port Sizes
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Inlet: 1-3/16"-12 UN-2B (Aluminum Head); M27x2-6g (Cast Iron Head)
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Discharge: 7/8"-14 UNF-2B (Aluminum), M22x1.5-6g (Cast Iron)
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Water: 3/4"-16 UNF-2B (Aluminum), M18x1.5-6g (Cast Iron)
- CAT ST-4 Discharge Safety Valve (7/8"-14 thrd) 801116
- DDC ST-4 Discharge Safety Valve (M16-1.5 thrd) 800534
- Include installation gaskets and orings.
The 5014428N BA-921 CAT COMPRESSOR is designed for use in Caterpillar C13, C15, and C18 engines, commonly found in heavy-duty trucks and equipment. It provides reliable air for the actuation of air brakes. Sold new, with no core return required, this compressor is built to meet or exceed OEM standards for performance and durability.
CROSS-REFERENCE(S):
5014428X, 0R-1623, 0R1623, 385-0936, 5011441, 5014401, 5014402, 5014427, 801826, K056647, BXR107506, BXR107506X, BXX107506X, CC107506, E-BN107506X, EBN107506X, EL13040, EL13040X, EUEBN107506X, F5012533X, FLTBC106, FRL 42018134, FRL 42032285, H5002983X, HVG107506X, HVG5012533X, HVG5014428X, JW5002983X, K020283, K020284, K020284X, K046146, K056647, K056647BXR, K056647X, K056649, KN13040X, MB107506X, MI107506X, MSBX107506X, N13AC, OR-8442, OR107506, OR1624, OR8442, P107506, R107000, R107506, R107506X, R107974, R108583, R955107506X, R9555002983X, R9555012533X, R9555014428X, R955EL13040X, R955K056647X, S13753, WBW-107506X, WBW107506X, ZZ107506X
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please verify all specifications match your application before installation.
IMPORTANT INSTALLATION NOTES:
✔ Verify oil line connections match the external oil line specification
✔ Confirm flange mount is properly aligned with engine specs
✔ Ensure cooling system is appropriately configured for water and air-cooled operation
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Warranty Information
