SKU: 49299351872

ARCO Marine Zeus A8000-48V 8kW 3.15 Alternator w/Isolated Ground

Sale price$964.76 Regular price$1071.95
Save 10%

Pay in installments of $267.99 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

ARCO Marine Zeus A8000-48V 8kW 3.15 Alternator w/Isolated GroundZeus A8000 48V 8kW 3. 15 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 3.15 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 competitors 48V alternators, having a direct impact on the alternators 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 - 100C / 212F

Mounting Application:

  • Replaces most small case styles using a 3.15 J180 saddle style mount (e.g., Hitachi, Lucas, Mitsubishi) Most Yanmars.
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: 49299351872

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 9 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
lucy johnson
Alexandria, US
★★★★★ 5
Perfect fit
Fit, works for my robot
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
R
Verified Purchase
Robert Yeager
Charlottesville, US
★★★★★ 5
Great refill for great product!
The Eufy Official Accessories, 6-Pack Large Capacity Dust Bags Compatible with C20 Omni Robot Vacuum provided a perfect fit, and we couldn't be happier with the quality and performance t. The fit was perfect, and the bags were easy to install. Just pop them in and go! Each bag holds an an amazing amount of debris, and I've noticed much less dust escaping. If you are looking for a reliable replacement that works just like the original, these are a great buy. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2025
R
Verified Purchase
Rev. Nicole A.M. Collins
Houston, US
★★★★★ 5
Efficient & nice
Works great~ and helpful
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 9, 2025
K
Verified Purchase
Kassandra Tolentino
Omaha, US
★★★★★ 5
Es de la medida adecuada
No he tenido ningún problema en cuanto a la detección de la bolsa
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
T
Verified Purchase
Tessa
Battle Creek, US
★★★★★ 5
Perfect fit.
Fits perfectly in my eufy Omni C20. I originally bought some off brand bags, but the cardboard part for the opening was a tad bit too small. These however are perfect. They also come in a small box which is convenient for storage. If you have the eufy Omni C20, buy these. Skip the off brands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025

recommand products