SKU: 63782724754

ARCO Marine Zeus A8000-48V 8kW Vortec Alternator w/Case Ground [4606]

Sale price$890.51 Regular price$989.45
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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22

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Description

ARCO Marine Zeus A8000-48V 8kW Vortec Alternator w/Case Ground [4606]Zeus A8000 48V 8kW Vortec Alternator with Case Ground The ARCO Zeus A8000 48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and heavier. This alternator continuously generates over 3kW (55 Amps)at 2,500 RPM and almost 6kW (111 Amps) at 4,000 Alternator RPM. Put in real world terms, a marine diesel engine charging at 1,200 RPM with a 3. 13: 1 pulley ratio is generating just over 5kW

Zeus A8000-48V 8kW Vortec Alternator with Case Ground

The ARCO Zeus A8000-48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and heavier. This alternator continuously generates over 3kW (55 Amps)at  2,500 RPM and almost 6kW (111 Amps) at 4,000 Alternator RPM. Put in real-world terms, a marine diesel engine charging at 1,200 RPM with a 3.13:1 pulley ratio is generating just over 5kW (97 Amps), and a Mercedes Sprinter at 750 RPM with a 3.21:1 ratio is generating over 3kW (55 Amps)!

Instead of using rotors designed for 48 volts, many competitor alternators simply use their 12V rotors which is less efficient and limits output at all RPMs. In this scenario, your external smart regulator must drastically reduce field, by as much as 78%. If this is not done correctly, you run the risk of destroying the unit and damaging other components in your system. ARCO utilizes a native 48V rotor and field current. This results in our 48V alternator running cooler than competitor’s 48V alternators, having a direct impact on the alternator’s lifespan.

Features:

  • Engineered for high energy production.
  • Suitable for marine, RV, military, and commercial applications.
  • Rapidly charges large battery banks.
  • Coolest operating temperatures for increased performance:
  • Heat shedding coatings
  • Rectifier located on housing exterior
  • Dual cooling fans
  • OEM components
  • Optimized for performance at idle speeds.
  • Reduces the need for a generator by creating additional power with your engine.
  • Unleash peak performance with E-Coat/Cerakote, keeping the high amp alternator cooler for sustained amperage output.
  • Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.
  • SAE J1171 Certified.
  • Proudly made in the U.S.A.

Technical Specifications:

  • Voltage - 48v
  • Field Type - P
  • Rotor Poles - 16
  • Stator Size - 138mm
  • Frame Size - Large
  • Weight - 15.89lbs/7.2kg
  • Regulation - External Only
  • Finish - (Black) E-coating
  • Cut-In RPM - 1,920 Alternator RPM
  • Maximum Alt 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, 80A Rated, Avalanche
  • Max Output (Cold, 9,000 RPM) at 53.5v - 180 Amps - 9,360 Watts – 14.8 kW PTO
  • Sustained Cruising Output (Hot, 6,000 RPM) at 53.5v - 138 Amps - 7,383 Watts – 10.5 kW PTO
  • Sustained Idle Output (Hot, 2,500 RPM) at 53.5v - 78 Amps 4,173 Watts – 6kW PTO
  • Max Continuous Operating Temperature - 100°C / 212°F

Mounting Application:

  • Replaces Mando type alternators using Vortec/GM pad mounting feet (Found on many Mercruiser and Volvo Penta 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, 5.7GXiL Marine Engines).

Quick Guide (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 63782724754

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Amazon Customer
Lexington, US
★★★★★ 4
Nice, but no spoon
Color: Green
It is a very nice set, but I was disappointed that I did not receive the spoon with the set.
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Reviewed in the United States on April 7, 2026
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Barbara Chaille
Port Orchard, US
★★★★★ 5
great price
Color: Green
great price
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Reviewed in the United States on June 7, 2026
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Kevin
West Palm Beach, US
★★★★★ 5
Excellent matcha powder
Flavor Name: Ceremonial Grade, Size: 1.4 oz (40g)
The color is a vibrant, electric green right out of the tin, which let me know immediately that it’s actually a high-quality first harvest. It whisks up into a beautiful, silky froth with absolutely zero bitterness or chalky aftertaste. I’ve been drinking it straight with just hot water every morning, and it gives me a smooth, clean energy boost without the usual coffee jitters. Honestly, for a certified ceremonial grade, the quality you get for the price makes this an absolute staple in my kitchen now.
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Reviewed in the United States on May 28, 2026
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Eros.L
Draper, US
★★★★★ 5
Great matcha powder for latte
Flavor Name: Ceremonial Grade, Size: 3.5 oz (100g), Flavor Name: Ceremonial Grade, Size: 3.5 oz (100g)
Beyond my expectations. This matcha powder is seriously impressive ,super smooth texture, rich and authentic matcha flavor, and such a beautiful vibrant green color. You can really taste the quality in every sip. It blends perfectly whether for lattes, baking, or just traditional matcha. Especially perfect for making matcha lattes , creamy, fragrant, and full of matcha flavor without tasting bitter. Definitely one of the best matcha powders I’ve tried lately.
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Reviewed in the United States on May 9, 2026
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Yurbey mendoza
Grantham, US
★★★★★ 5
Pure, fresh, and high-quality matcha
Flavor Name: Ceremonial Grade, Size: 1.4 oz (40g)
I really enjoyed this ceremonial-grade matcha. One of the things I liked most is that it comes in a jar, which helps keep it fresh and makes it easy to store. The flavor is very natural and well-balanced. It is not sweet, which I personally prefer because it allows you to enjoy the authentic taste of matcha and use it in different recipes without altering its original flavor profile. I also love that matcha is the only ingredient. It’s a simple, pure product with no unnecessary additives, which gives me confidence in its quality. The color is vibrant, it mixes well, and it provides an experience very close to traditional matcha. Overall, it’s an excellent choice for anyone looking for authentic, high-quality matcha.
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Reviewed in the United States on June 1, 2026

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