ARCO Marine Zeus A8000-48V 8kW Vortec Alternator w/Case Ground [4606]
SKU: 56867696511

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

Sale price$890.51 Regular price$989.45
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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: 56867696511

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 669 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
TheKaizenOne
Waukegan, US
★★★★★ 5
Great Quality and Comfortable Fit
Size: Large, Color: Washed Blue
I picked up the Amazon Essentials Men’s Golf Polo Shirt, and I’m really impressed. The fabric is soft, breathable, and lightweight — perfect for hot days on the golf course or casual wear. The fit is spot-on, not too tight or too loose, and it looks sharp tucked in or out. It’s held up well after multiple washes without shrinking or losing shape. For the price, it’s excellent quality and a great value. If you need a reliable, comfortable polo for sports or everyday wear, this one is a solid choice. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 5, 2025
P
Verified Purchase
Picantedulce
Chelsea, US
★★★★★ 4
Good quality, but runs a bit short
Size: X-Large, Color: Light Grey Heather
Overall, this is a solid polo for the price. The fabric quality is better than expected, with a nice balance of softness and durability. It’s not paper-thin, but not heavy either, and it does a good job wicking moisture and drying quickly, which is exactly what you want from a golf-style shirt. Functionally, it works well for casual wear, work, or being mildly athletic without committing to actual exercise. Sizing is mostly on point, and I didn't notice any shrinkage after washing, but I always make sure to air dry this type of material and not throw it in the dryer. My only real gripe is the length. It feels like the shirt should be about 1–2 inches longer. If you raise your arms, people may catch a glimpse of your six-pack (hopefully), and if you bend over… well, let’s just say you'll want to be mindful of who's behind you. If Amazon fixed the length, this would be an easy five-star staple.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
L
Verified Purchase
L. Summers
Dallas, US
★★★★★ 5
Love these golf shirts
Size: X-Large, Color: Grey Paint
We've bought several of these golf shirts and my husband really loves them! They are good at wicking away sweat, they fit great, are easy to care for and are well made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
D
Verified Purchase
DJT
Phoenix, US
★★★★★ 5
Well made
Size: XX-Large, Color: Dark Burgundy
Very nice golf shirt, well made, perfect size, no shrinkage (washed in cold water), the shirt moves with your body ( a good thing), the shirt is worth the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
B
Verified Purchase
Brandon M.
Fort Morgan, US
★★★★★ 5
good value, runs slightly large
Size: Large, Color: Dark Burgundy
great shirt for the price, I find it runs slightly large
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026

recommand products