SKU: 75060491760

ARCO Marine Zeus A8000-48V 8kW J180 4" Alternator w/Isolated Ground [4603]

Sale price$964.76 Regular price$1071.95
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

ARCO Marine Zeus A8000-48V 8kW J180 4" Alternator w/Isolated Ground [4603]Zeus A8000 48V 8kW J180 4" Alternator with Isolated 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

Zeus A8000-48V 8kW J180 4" Alternator with Isolated 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 most Volvo Penta alternators using a 4” J180 saddle-style mount. Also, used on many larger industrial-based 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: 75060491760

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Katiuska
Battle Creek, US
★★★★★ 5
La calidad
Size: Queen, Color: Beige
I bought this blanket set and it honestly exceeded all my expectations. It is beautiful, with an elegant design that gives a special touch to the room. But it is not only beautiful, it is also incredibly soft and comfortable, perfect for resting after a long day. The quality is felt from the first moment, and it shelters just enough to feel welcomed without being heavy. Since I have it, sleeping feels much more pleasant. Without a doubt, I recommend it with my eyes closed. It's a purchase that is totally worth it 💖✨
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Reviewed in the United States on April 14, 2026
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T. P.
Omaha, US
★★★★★ 4
So cute! Not sure if it will hold up though
Size: Queen, Color: Baby Pink, Size: Queen, Color: Baby Pink
This comforter set is so cute! I love how vibrant the pink is. It is also super duper soft. The quality is okay though. There's a lot of random threads coming out, so I honestly don't know how long it will hold up after multiple washes. There's no weight to it either. It's just soft and fluffy which I love. The size is true to size too. It's a real queen size. I love the fact that the fancy pillowcase has pockets. I absolutely adore this style because it keeps your pillow inside at all times. The regular pillowcase is just the normal. No pockets or anything like that. You can see how vibrant this comforter set by comparing it to my weighted blanket that I have underneath it. It's a super vibrant pastel pink, and I love it! I've also been sleeping like a baby ever since I used this set. The comforter set is really so fluffy and soft that it feels like a marshmallow. Since I also pair it with my weighted blanket, it's seriously a dream come true. Overall, I'd recommend this. I just don't know how long it will last after multiple washes.
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Reviewed in the United States on February 28, 2026
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Rachel
Whiting, US
★★★★★ 5
Nice bedding set for price
Size: Queen, Color: Olive Green
I bought a set of these for my bedroom and guest room. They are true to color, relatively soft, fit perfect, and the comforter is pretty fluffy. The sheets didn't wrinkle and they are easy to wash and dry without doing anything special. My dog stained my guest room set and I absolutely will be ordering another one
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Reviewed in the United States on May 31, 2026
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Clara
Draper, US
★★★★★ 5
Great set for the price!
Size: Queen, Color: Beige
I’ve had the set for several months now and I really like this set. I was nervous about the comforter being thin and cheap, however, after washing and drying it is a really good comforter for the price. The sheets and pillow cases are also very smooth, no pilling or ripping, stitches are still intact, so I think it is set is great.
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Reviewed in the United States on May 26, 2026
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Amanda brizendine
Port Orchard, US
★★★★★ 5
Like sleeping with comfort
This comforter is thick and plush it fits my mattress just fine the quality is good and it is Fluffy
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Reviewed in the United States on May 12, 2026

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