{"product_id":"arco-marine-zeus-a275l-j180-4-inch-alternator-with-isolated-ground-and-terminal-block","title":"ARCO Marine Zeus A275L J180 4-Inch Alternator with Isolated Ground and Terminal Block","description":"\u003cp\u003e\u003cstrong\u003eZeus A275L J180 4 Alternator with Isolated Ground  Terminal Block\u003c\/strong\u003e\u003c\/p\u003e\u003cp id=\"isPasted\"\u003eThe highest power output alternator in its size\/class.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngineered for high energy production.\u003c\/li\u003e\n\u003cli\u003eSuitable for marine, RV, military, and commercial applications.\u003c\/li\u003e\n\u003cli\u003eRapidly charges large battery banks.\u003c\/li\u003e\n\u003cli\u003eCoolest operating temperatures for increased performance.\u003c\/li\u003e\n\u003cli\u003eHeat shedding coatings\u003c\/li\u003e\n\u003cli\u003eRectifier located on housing exterior\u003c\/li\u003e\n\u003cli\u003eDual cooling fans\u003c\/li\u003e\n\u003cli\u003eOEM components\u003c\/li\u003e\n\u003cli\u003eOptimized for performance at idle speeds.\u003c\/li\u003e\n\u003cli\u003eReduces the need for a generator by creating additional power with your engine.\u003c\/li\u003e\n\u003cli\u003eUnleash peak performance with E-Coat\/Cerakote, keeping the A275L cooler for sustained amperage output.\u003c\/li\u003e\n\u003cli\u003eUse the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.\u003c\/li\u003e\n\u003cli\u003eSAE J1171 Certified.\u003c\/li\u003e\n\u003cli\u003eModels available with internal\/external voltage regulator.\u003c\/li\u003e\n\u003cli\u003eProudly made in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVoltage - 12v\u003c\/li\u003e\n\u003cli\u003eField Type - P\u003c\/li\u003e\n\u003cli\u003eRotor Poles - 16\u003c\/li\u003e\n\u003cli\u003eStator Size - 138mm\u003c\/li\u003e\n\u003cli\u003eFrame Size - Large\u003c\/li\u003e\n\u003cli\u003eWeight - 14.9 lbs\/6.7 kg\u003c\/li\u003e\n\u003cli\u003eRegulation - Internal\/External (Internally regulated with adaptor for optional external regulation.)\u003c\/li\u003e\n\u003cli\u003eOutput Voltage - 14.1v (Default)\u003c\/li\u003e\n\u003cli\u003eFinish - (Black) Cerakote or E-coating\u003c\/li\u003e\n\u003cli\u003eCut-In RPM - 1,061 Alternator RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Alt RPM - 19,000\u003c\/li\u003e\n\u003cli\u003eBattery Post - M8 Thread Post, Side Mount\u003c\/li\u003e\n\u003cli\u003eStandard Pulley - 49K6 (6-groove, 49mm)\u003c\/li\u003e\n\u003cli\u003ePulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5\u003c\/li\u003e\n\u003cli\u003ePulley Hardware - M17 x 1.5 x 24mm nut, w\/ 18mm ID x 29mm OD washer (Included)\u003c\/li\u003e\n\u003cli\u003eDiodes - 6 positive, 6 negative, 50A Rated, Avalanche\u003c\/li\u003e\n\u003cli\u003eMax Output (Cold, 9,000 RPM) - 311 Amps\u003c\/li\u003e\n\u003cli\u003eSustained Cruising Output (Hot, 6,000 RPM) - 227 Amps\u003c\/li\u003e\n\u003cli\u003eSustained Idle Output (Hot, 3,000 RPM) - 198 Amps\u003c\/li\u003e\n\u003cli\u003eMax Continuous Operating Temperature - 110C \/ 230F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMounting Applications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eReplaces most Volvo Penta alternators using a 4 J180 saddle-style mount\u003c\/li\u003e\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe ARCO Marine Zeus A275L J180 4-inch alternator is engineered to deliver the highest power output within its size class, making it ideal for demanding marine, RV, military, and commercial applications. This alternator features a robust design with a focus on high energy production, capable of rapidly charging large battery banks and supporting critical power needs. Its advanced cooling system, including heat shedding coatings and dual cooling fans, ensures optimal operating temperatures, which enhances performance longevity and reliability in challenging environments. The exterior-mounted rectifier and the use of OEM components contribute to durability and ease of maintenance. The unit is optimized for performance at idle speeds, reducing the need for a separate generator by harnessing engine power more efficiently to generate additional electrical energy. The use of E-Coat or Cerakote finishes, such as the Cerakote or E-coating options, helps keep the alternator cooler during operation, allowing for sustained amperage output even under heavy loads. For maximum performance, especially when charging lithium batteries or utilizing advanced regulation, pairing this alternator with the ARCO Zeus Bluetooth Alternator Regulator is recommended, offering precise control and customization. Certified under SAE J1171 standards, the ARCO Marine Zeus A275L is available with either internal or external voltage regulation options, providing versatile solutions tailored to various systems and applications. Made proudly in the U.S.A., this alternator combines performance, durability, and efficiency in a compact design that fits most saddle-style mounts. Its high maximum output—over 300 amps at cold start—and sustained hot running capabilities make it an excellent choice for those seeking reliable, high-performance power generation from a compact unit. The alternator's design includes a side-mount M8 threaded battery post, a standard 6-groove pulley, and a threaded shaft with hardware included for easy installation. With a weight of approximately 15 pounds and a large frame size, it balances power and practicality for a variety of demanding uses, providing peace of mind and dependable operation for professional and recreational applications alike.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHigh energy production designed for demanding applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for marine, RV, military, and commercial use\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRapidly charges large battery banks efficiently\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAdvanced cooling system with heat shedding coatings and dual fans\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExterior-mounted rectifier for improved durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOEM components ensure reliable performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for high performance at idle speeds\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReduces reliance on generators by harnessing engine power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEnhanced cooling with E-Coat and Cerakote finishes for sustained amperage\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with ARCO Zeus Bluetooth Alternator Regulator for advanced control\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSAE J1171 certified for industry standards compliance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAvailable with internal or external voltage regulation options\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the U.S.A. for quality assurance\u003c\/li\u003e\u003c\/ul\u003e","brand":"ARCO Marine","offers":[{"title":"Default Title","offer_id":44431840051242,"sku":"107370","price":1096.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/107370XL.jpg?v=1780874251","url":"https:\/\/atticusgoods.com\/products\/arco-marine-zeus-a275l-j180-4-inch-alternator-with-isolated-ground-and-terminal-block","provider":"Atticus Goods","version":"1.0","type":"link"}