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$296.01
Original: $986.70
-70%ARCO Marine Zeus A275L J-180 4" Alternator w/Terminal Block—
$986.70
$296.01The Story
The Zeus A275L J-180 4" Alternator with Terminal Block is a top-of-the-line marine alternator engineered to provide maximum power output and exceptional reliability for your boating and marine electrical systems. Whether you're outfitting a yacht, fishing boat, or recreational vessel, this alternator ensures efficient energy production and optimal performance in all marine environments.
Features
- Engineered for high energy production, ensuring your marine electrical systems receive ample power.
- Versatile application suitability for marine, RV, military, and commercial uses.
- Rapidly charges large battery banks, keeping your onboard systems running smoothly.
- Operates at the coolest temperatures to enhance performance and longevity.
- Runs 8-20% cooler than standard alternators thanks to advanced heat-shedding coatings, an external housing refrigerator, dual cooling fans, and OEM components.
- Optimized for performance at idle engine speeds, ideal for marine vessels that often idle.
- Reduces dependence on generators by generating additional power directly from your engine.
- Enhanced with E-Coat/Cerakote coatings, absorbing less heat and allowing for sustained amperage output.
- Compatible with ARCO Zeus Bluetooth alternator regulators or lithium battery charging systems for maximum performance.
- SAE J1171 certified, ensuring compliance with industry standards.
- Proudly manufactured in the U.S.A., guaranteeing quality and craftsmanship.
Technical Specifications
| Specification | Details |
|---|---|
| Voltage | 12v |
| Field Type | P |
| Rotor Poles | 16 |
| Stator Size | 138mm |
| Frame Size | Large |
| Weight | 14.9 lbs / 6.7 kg |
| Regulation | External Only (Includes terminal block and P-Type harness. Requires an external regulator such as ARCO Zeus Bluetooth alternator regulator.) |
| Output Voltage | 14.1v (Default) |
| Finish | Black Cerakote or E-coating |
| Cut-In RPM | 1,061 Alternator RPM |
| Maximum Alternator RPM | 19,000 |
| Battery Post | M8 Thread Post, Side Mount |
| Standard Pulley | 49K6 (6-groove, 49mm) |
| Pulley Mount | 17mm diameter shaft, 25mm long, threaded M17 x 1.5 |
| Pulley Hardware | M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) |
| Diodes | 6 positive, 6 negative, 50A Rated, Avalanche |
| Max Output (Cold, 9,000 RPM) | 311 Amps |
| Sustained Cruising Output (Hot, 6,000 RPM) | 227 Amps |
| Sustained Idle Output (Hot, 3,000 RPM) | 198 Amps |
| Max Continuous Operating Temperature | 110°C / 230°F |
Mounting Application
- Directly replaces most Volvo Penta alternators using a 4” J180 saddle-style mount, ensuring easy installation on compatible marine engines.
Quick Guide (pdf)
Description
The Zeus A275L J-180 4" Alternator with Terminal Block is a top-of-the-line marine alternator engineered to provide maximum power output and exceptional reliability for your boating and marine electrical systems. Whether you're outfitting a yacht, fishing boat, or recreational vessel, this alternator ensures efficient energy production and optimal performance in all marine environments.
Features
- Engineered for high energy production, ensuring your marine electrical systems receive ample power.
- Versatile application suitability for marine, RV, military, and commercial uses.
- Rapidly charges large battery banks, keeping your onboard systems running smoothly.
- Operates at the coolest temperatures to enhance performance and longevity.
- Runs 8-20% cooler than standard alternators thanks to advanced heat-shedding coatings, an external housing refrigerator, dual cooling fans, and OEM components.
- Optimized for performance at idle engine speeds, ideal for marine vessels that often idle.
- Reduces dependence on generators by generating additional power directly from your engine.
- Enhanced with E-Coat/Cerakote coatings, absorbing less heat and allowing for sustained amperage output.
- Compatible with ARCO Zeus Bluetooth alternator regulators or lithium battery charging systems for maximum performance.
- SAE J1171 certified, ensuring compliance with industry standards.
- Proudly manufactured in the U.S.A., guaranteeing quality and craftsmanship.
Technical Specifications
| Specification | Details |
|---|---|
| Voltage | 12v |
| Field Type | P |
| Rotor Poles | 16 |
| Stator Size | 138mm |
| Frame Size | Large |
| Weight | 14.9 lbs / 6.7 kg |
| Regulation | External Only (Includes terminal block and P-Type harness. Requires an external regulator such as ARCO Zeus Bluetooth alternator regulator.) |
| Output Voltage | 14.1v (Default) |
| Finish | Black Cerakote or E-coating |
| Cut-In RPM | 1,061 Alternator RPM |
| Maximum Alternator RPM | 19,000 |
| Battery Post | M8 Thread Post, Side Mount |
| Standard Pulley | 49K6 (6-groove, 49mm) |
| Pulley Mount | 17mm diameter shaft, 25mm long, threaded M17 x 1.5 |
| Pulley Hardware | M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) |
| Diodes | 6 positive, 6 negative, 50A Rated, Avalanche |
| Max Output (Cold, 9,000 RPM) | 311 Amps |
| Sustained Cruising Output (Hot, 6,000 RPM) | 227 Amps |
| Sustained Idle Output (Hot, 3,000 RPM) | 198 Amps |
| Max Continuous Operating Temperature | 110°C / 230°F |
Mounting Application
- Directly replaces most Volvo Penta alternators using a 4” J180 saddle-style mount, ensuring easy installation on compatible marine engines.
Quick Guide (pdf)