SKU: 24514091889

ARCO Marine Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator w/Isolated Ground [4403]

Sale price$642.51 Regular price$713.90
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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Description

ARCO Marine Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator w/Isolated Ground [4403]Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator with Isolated Ground The ARCO Zeus 24v 4kW LTO alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. This alternator continuously generates over 1. 4kW (51 Amps) at just under 1,500 RPM and almost 2. 4kW (87 Amps) at 2,000 Alternator RPM. Put in real world terms, a marine diesel engine idling at 750 RPM with a 2: 1 pulley ratio is

Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator with Isolated Ground

The ARCO Zeus 24v 4kW LTO alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. This alternator continuously generates over 1.4kW (51 Amps) at just under 1,500 RPM and almost 2.4kW (87 Amps) at 2,000 Alternator RPM. Put in real-world terms, a marine diesel engine idling at 750 RPM with a 2:1 pulley ratio is generating over 1.5kW (55 Amps), and a Mercedes Sprinter at 750 RPM with a 3.21:1 ratio is generating over 2.5kW (91 Amps)!

The ARCO Zeus 24v 4kW alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. The newest generation of 24V performance has arrived.

Competitor’s 24V alternators utilize a 12V rotor and field current which is less efficient and limits output at all RPMs. ARCO utilizes a native 24V rotor and field current. This results in our 24V alternator running cooler than competitor’s 24V alternators, having a direct impact on the alternator 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 cruising 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.
  • For maximum performance or lithium battery charging, use the ARCO Zeus Bluetooth Alternator Regulator.
  • SAE J1171 Certified.
  • Proudly made in the U.S.A.

Technical Specifications:

  • Voltage - 24v
  • 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 - 1,072 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, 50A Rated, Avalanche
  • Max Output (Cold, 9,000 RPM) at 27.5v - 144 Amps - 3,960 Watts – 5.7Kw PTO
  • Sustained Cruising Output (Hot, 6,000 RPM) at 27.5v - 130 Amps - 3,575 Watts – 5.1Kw PTO
  • Sustained Idle Output (Hot, 3,000 RPM) at 27.5v - 108 Amps - 2,970 Watts – 4.2kW PTO
  • Max Continuous Operating Temperature - 100°C / 212°F

Mounting Application:

  • Replaces most Volvo Penta alternators using a 4” J180 saddle-style mount.

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: 24514091889

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4.5 ★★★★★
Based on 17 reviews
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Product Reviews
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Verified Purchase
xmiki
Lexington, US
★★★★★ 4
Fun, engaging, and cute toy for dogs!
Color: Yellow - Fish Skewer, Color: Yellow - Fish Skewer
I got the fried fish toy for my dog. So far, he really enjoys the squeaking noise and comes running every time he hears it. The toy material is pretty thick and is holding up well during playtime. The size of this toy is perfect for my small dog but it might be a bit small for larger dogs. Overall it's a fun and super cute toy for my pets that's become a favorite!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
G
Verified Purchase
Gin Fu
Whiting, US
★★★★★ 5
Fun enrichment
Color: Yellow - Fish Skewer, Color: Yellow - Fish Skewer
Bought this to keep my dog busy while I’m out, and surprisingly it works. It’s soft, lightweight, and he was interested right away. Hiding treats inside turns it into a sniffing challenge that keeps him occupied longer than expected. The squeaker does its job, and the material feels gentle, but this is not for heavy chewers. If your dog destroys toys for sport, proceed with caution. Overall, it’s a fun enrichment toy that helps with boredom. Great for light to moderate play and dogs who don’t choose violence every day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
C
Verified Purchase
chen
West Palm Beach, US
★★★★★ 5
Really cute and great for photos
Color: Yellow - Fried Chicken Leg, Color: Yellow - Fried Chicken Leg
This drumstick plush toy is super cute and looks great in pictures. My dog liked it right away and keeps carrying it around. It’s soft, lightweight, and the size is just right. We’ve already taken a few fun photos with it, and it would also make a nice little gift for someone with a dog. Simple, well made, and definitely worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
B
BarbaraAnn
Lake Worth, US
★★★★★ 2
Don't Bother Unless You Have Something The Size of a Chihuahua
Color: Yellow - Fried Chicken Leg
Title is definitely deceiving. We have 2 Pitbulls and a Bull Terrier. They simply looked at this thing and it blew into pieces. These are more for smaller dogs. I wouldn't even say medium. It was just a big disappointment. I was excited to give them this toy, until it arrived and I saw how small it was.
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Reviewed in the United States on January 3, 2026
K
K. Koehler
Natrona Heights, US
★★★★★ 3
Tiny
Color: Yellow - Fried Chicken Leg
Was disappointed. The toy is tiny. I don’t think a puppy could use it. The design was great, except for the size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026

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