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Low Price Zeus A225s 3.15 Alternator with Common Rail Case Ground | Arco 4012
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Low Price Zeus A225s 3.15 Alternator with Common Rail Case Ground | Arco 4012

Original price was: $767.80.Current price is: $230.34.

For orders under $59.00, a shipping fee of $11.99 applies.

SKU: SK0075942-US20251216-084134 Category:
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  • Designed for Maximum Energy Output – Ideal for marine, RV, military, and commercial use.
  • Fast Charging – Rapidly replenishes large battery banks.
  • Cooler Operating Temperatures – Runs 8-20% cooler than standard alternators due to heat-shedding coatings, external rectifier placement, dual cooling fans, and OEM-grade components
  • Optimized for Low RPM Performance – Delivers reliable power even at idle speeds.
  • Generator Alternative – Produces additional power with your engine, reducing generator dependency.
  • Advanced Coating for Sustained Performance – E-Coat/Cerakote minimizes heat absorption, keeping the A225S cooler.
  • Compatible with ARCO Zeus Bluetooth Alternator Regulator – Enhances performance and supports lithium battery charging.
  • Certified & Made in the USA – SAE J1171 Certified.
  • Internal/External Regulation Models Available
  • Voltage: 12 volts
  • Field Type: P
  • Rotor Poles: 16
  • Stator Size: 130 mm
  • Frame Size: Small
  • Weight: 12 pounds (5.4 kg)
  • Regulation: Internal/External (Internally regulated with optional external adapter)
  • Output Voltage: 14.1 volts (Default)
  • Finish: Black Cerakote or E-coating
  • Cut-In RPM: 1,061 Alternator RPM
  • Max Alternator RPM: 19,000
  • Battery Post: M8 Thread Post, Side Mount
  • Standard Pulley: 49K6 (6-groove, 49 mm)
  • Pulley Mount: 17 mm diameter shaft, 25 mm length, M17 x 1.5 threading
  • Pulley Hardware: M17 x 1.5 x 24 mm nut, with 18 mm ID x 29 mm OD washer (Included)
  • Diodes: 6 positive, 6 negative, 50 amp rated, avalanche
  • Max Output (Cold, 9,000 RPM): 254 amps
  • Sustained Cruising Output (Hot, 6,000 RPM): 187 amps
  • Sustained Idle Output (Hot, 3,000 RPM): 157 amps
  • Max Continuous Operating Temperature: 110°C / 230°F
  • Common Rail Case Ground – Used with Yanmar Common Rail engines introduced after 2013, including: JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110

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