SKU: 56482276268

ARCO Marine Zeus A8000-48V 8kW Vortec Alternator w/Isolated Ground [4609]

Sale price$964.76 Regular price$1071.95
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

ARCO Marine Zeus A8000-48V 8kW Vortec Alternator w/Isolated Ground [4609]Zeus A8000 48V 8kW Vortec 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 Vortec 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 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: 56482276268

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4.8 ★★★★★
Based on 27 reviews
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PS
Cuba, US
★★★★★ 3
Not a happy customer
My Aussie ate the chew stick within 5min. Disappointed it didn't last longer. Won't buy again :(
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
Y
yetanothereviewer
Houston, US
★★★★★ 4
Massive treats, no tummy rumbles, but a little pricey
I'm always a little tentative when ordering dog treats online, because you don't always know in advance where they're sourced from, or what weird processing might be done to them, or what weird additives might be thrown in. These are sourced in Mexico, and they seem to be straightforward in terms of ingredients. Phew! The smell of these is not the best, but if you've fed your dog collagen treats before, I'm sure you know what you're getting into with that. The dogs loved them, for sure. These treats are MASSIVE, so if you have a small or medium sized dog, you might want to cut them into two or more pieces. For my 60ish pound dogs, they were very large but manageable, and the way their eyes lit up when I presented it to them, it was like Christmas. LOL The only reason I'm docking a star is because these are not long-term chews, at least for my dogs. Yak chews will generally last for a couple of hours for them, which I break up over several days by taking the treat away after a while and giving it back to them the next day. These chews were gone within about 5-10 minutes. (Five minutes for my spazzy dog who acts like treats will disappear if they're not hoovered it into her gullet at breakneck speed, and ten minutes for the other who likes to taste his food on the way down.) At almost $6 a pop, these are pretty expensive for 5-10 minutes of enjoyment, so this isn't going to be a treat I buy for them on the regular. There were no issues with tummy rumbles or nausea or diarrhea afterward, so that's good. And I like getting a little more collagen in these kids because they're both getting up there in age, so their hips and joints can use a little extra love. If you've got the extra money to spring for these, or if your dog paces him- or herself reasonably with dog treats, this could be a good choice for you.
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Reviewed in the United States on September 8, 2025
W
Verified Purchase
Willow
Massapequa, US
★★★★★ 5
My non-chewer loves these
He is not into chewing, tried many different ones. But he’ll chomp down on theses, and they seem to be all good stuff
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025
M
M.S.
Los Angeles, US
★★★★★ 5
Dog loves them, no rawhide!
My dog is obsessed with these! We have a 70 pound pit mix who is a power chewer and these rolls last forever. He goes crazy for the peanut butter taste and it takes him a couple of days to really destroy one entirely. They are very effective for keeping him busy as the size is massive. I like giving him something so large because he then sets his mind to it for a long time. I like that they have a lot of collagen in them, I can't say I've noticed that his coat is a great deal shinier but it can't hurt! I also like that these are rawhide free. I would say these are a good value as they keep him busy for a good amount of time.
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Reviewed in the United States on January 29, 2026
H
Heart0277
Omaha, US
★★★★★ 5
These are great my dog loved it
Well, I can say one thing I have shepherd. Wolf hybrids, and they are very particular about the stuff they eat. I can give them raw meat, and if it's old, they don't want it, so they're pretty finicky, I hooked them up with these. And they didn't hesitate to go at them. So I wait, I fed half, and then waited a couple of days, they had no negative response to it. That I'm aware of and so I gave him the other one and split it between them, and they don't stop until they're gone. So they pretty much sold themselves for me. If mine My dogs will eat em.They must be okay worth the money in my book.Made my babies happy should get some for yours my dogs are like super chooers.Okay, they have jaws that break bone.So to try to say that these are not good for heavy chewers, I i can't agree with that.Although they won't last very long with heavy chewers, they do great.The dogs love them we only smell was the smell of the product.Kind of a food smell to it.And as soon as I opened the package, the dogs had me surrounded like the sue did old custard, and they weren't letting me go until I shared straight up the male's a hundred plus pounds.And he's eyeballing me like, i'm gonna be lunch.If I don't give him a share, it was funny as hell a great product i think one of the things is the peanut butter.That's in them.My dogs love their peanut butter now.These are almost a foot long each stick, and they're about an inch and a half in diameter.Now they would last for a pretty good time for a normal chew type.DogRottweiler's pit bull saint bernard's high bread.Shepherds, et cetera, anything with a two thousand pound byte is going to tear these things up and have a great time.Doing itThey won't last as long as the dainty chewers and the the comfort chewers, but they'll do the job
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 13, 2025

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