Zeus A225s 3.15 Alternator with Common Rail Case Ground | Arco 4012
Special Price
$698.00
Regular Price
$965.25
SKU
Brand: Arco MarineQty In Stock: 0
ARCO-4012
ARCO Zeus 12 volt/225 amp high output alternator with 3.15 inch saddle mount. Requires an external regular, like the ARCO Zeus Bluetooth battery regulator. Includes a 49mm K6 pulley.
Zeus A225s 3.15 Alternator with Common Rail Case Ground | Arco 4012 is available to buy in increments of 1
| Warehouse | Available |
| Florida | 0 |
| Michigan | 0 |
| Ohio | 0 |
| Tennessee | 0 |
| Wisconsin | 0 |
- 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
| Manufacturer Part No. | 4012 |
|---|---|
| Brand | Arco Marine |
| Shipping/Dimensional Weight | 0.999999 |
| Actual Weight | 0 |
| Availability | Out of Stock |
| Special Price | $698.00 |
| Ships free when order qualifies | Yes |
| Hazmat Fee | No |
