Description
Alliance Freightliner Two-Cylinder AC Compressor A2, 6", 2W, Rear, 12V
Part #: ABP N83 2040 21028
Two-cylinder AC compressor designed for durability and performance in Freightliner and Western Star applications.
Brand: Alliance
Compressor Type: Two-Cylinder
Popular Applications: Western Star
Features & Benefits:
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Three-phase lubrication system improves efficiency
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Large oil sump allows self-lubrication regardless of refrigerant mix
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Cast iron shaft supported by large front and rear bearings
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High-load capacity ball bearings
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High-strength aluminum alloy pistons and connecting rods
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Internal cast iron cylinder liners increase durability
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Stainless steel reed valves prevent rust and reduce liquid slugging effects
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Universal mounting—can be installed in any horizontal position
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Universal rotation
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Single oil plug for easy crankcase oil level checks regardless of mounting
Specs:
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Short Description: COMP-AC, A2, 6 IN, 2W, 12V, REAR FITTING
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Number of Cylinders: 2
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Bore: 1.875 in (47.63 mm)
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Stroke Options: 1.105 in (28.07 mm), 1.573 in (39.95 mm), 1.866 in (47.40 mm)
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Displacement Options: 6.10 CU in/rev (100 CC), 8.69 CU in/rev (142 CC), 10.3 CU in/rev (169 CC)
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Max RPM: 6000 RPM
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Refrigerants: R-12, R-22, R-502, R-134a, and new blends
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Initial Oil Charge: 10 fl oz (296 ml)
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Weight: 13.0–14.6 lbs (5.9–6.6 kg)
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Lubrication: Splash, positive pressure, and oil return via suction side
📞 Questions? Call 1 (800) 374-6488 or chat with us online!