SKU: 57086668786

ARCO Zeus 24V 4kW Low Turn On (LTO) 3.15 Alternator w/Isolated Ground (Common Rail) Zeus High-Energy Alternator Regulator [4402-AZ1000]

Sale price$1000.71 Regular price$1111.90
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Description

ARCO Zeus 24V 4kW Low Turn On (LTO) 3.15 Alternator w/Isolated Ground (Common Rail) Zeus High-Energy Alternator Regulator [4402-AZ1000]Zeus 24V 4kW Low Turn On (LTO) 3. 15 Alternator with Isolated Ground (Common Rail) & Zeus High Energy Alternator Regulator Zeus 24V 4kW Low Turn On (LTO) 3. 15 Alternator with Isolated Ground (Common Rail) 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

Zeus 24V 4kW Low Turn On (LTO) 3.15 Alternator with Isolated Ground (Common Rail) & Zeus High-Energy Alternator Regulator

Zeus 24V 4kW Low Turn On (LTO) 3.15 Alternator with Isolated Ground (Common Rail)

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 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 competitors’ 24V 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 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.
  • 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 - 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:

  • Must be used on Yanmar Common Rail Engines introduced after 2013 (JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110).

Zeus High-Energy Alternator Regulator

ARCO’s Zeus is the only high-energy external alternator regulator to feature Bluetooth and a native app (on IOS and Android) allowing for easy installation and configuration. With its intuitive interface, you can access information on your system that you never had before. This information will enable you to regulate your system and optimize your battery charge and alternator output, resulting in a safer experience while protecting your energy system investment.

Zeus is the only alternator regulator that can read 2 shunts at a time (the battery shunt and alternator shunt). This feature enables Zeus to react to inputs from the battery current/temperature and alternator current/temperature.

Through the ARCO Zeus application, you are in good hands. Your data is automatically logged and can be shared with your technician to troubleshoot your system remotely. You can even import your remote technician’s configurations. 

Zeus optimizes battery charges for 12-48 volt systems. Whether you are using Lithium (LiFePo4) batteries or lead-acid Deep Cycle batteries, Zeus has you covered with its pre-set battery libraries and configurable menus to optimize your charging profiles. Zeus manages a complex set of inputs by giving you easy-to-understand options.

Zeus also takes into consideration the power of your engine and allows you to configure the alternator’s power take-off from the engine by managing the field, or duty. An advanced feature of Zeus is that it can turn your engine into a dedicated generator with the press of a button, whereby it focuses the alternator’s performance on the creation of energy to replenish your battery bank quickly.

Consistent with Zeus’ ease of use, Zeus is the only alternator regulator on the market that comes with alternator/battery harnesses and 2 thermistor harnesses, without an additional charge, saving users money and time from sourcing harnesses.

Features:

  • Secure Bluetooth connection
  • Harnesses, Thermistors, and NMEA 2000 kit included
  • Monitors the state of charge
  • Can turn your engine into a dedicated generator with generator mode
  • Pre-set battery libraries
  • Data logging and sharing
  • CAN bus and NMEA 2000-integrated networks
  • Compatible with all voltage systems (12- 48V)
  • IP66 & IP67 rated
  • 2-Year warranty

Technical Specifications:

  • Enclosure dimensions without antenna - 8.2" x 5.9" x 2.4" 
  • Enclosure dimensions with antenna - 8.2" x 7.5" x 2.4"
  • Weight - 1.7 lbs

In the Box:

  • Zeus high-energy alternator regulator
  • Battery wiring harness
  • Alternator wiring harness
  • 2 thermistors
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: 57086668786

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Tenna Murray
Draper, US
★★★★★ 4
Reliable comfort
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
I’ve tried a few cotton underwear brands, and these Hanes Originals boxer briefs are a dependable everyday option. Here’s my take after a few weeks of regular wear and wash cycles. Comfort and Fit Fabric:** 90–95% cotton with a touch of elastane/spandex for stretch. The material feels soft against the skin and breathes well, which helps avoid that suffocating feeling on hot days. Elastic & Waistband:** The waistband sits comfortably at the natural hip line without digging in. It maintains shape after several washes, which is a plus compared to some cheaper cotton blends. Rise & Coverage:** The mid-thigh rise offers modest coverage without feeling bulky. They stay in place during daily activities, workouts, and quick stretches. Style and Practicality Design:** Classic, no-frills styling that works well under jeans, skirts, or dresses. The boxer brief cut provides a little more coverage than regular briefs without feeling like bloomers. 4-Pack Value:** The 4-pack is convenient for rotation and helps keep laundry cycles simple. Inexpensive enough to replace slightly worn pairs without guilt. Colorway:** Basic, versatile colors that pair with most outfits. If you’re after bright or patterned options, you might want to look elsewhere. Durability and Care Washability:** They hold up well in standard machine washes and tumble dry cycles. The fabric doesn’t pill noticeably, and the waistband maintains elasticity after multiple washes. Pilling:** Minimal pilling for the first several months. If you’re tough on underwear or frequently wash on high heat, you may notice some wear sooner than later. Comfort in Different Scenarios Everyday Wear:** Great for day-to-day comfort and all-day wear. The breathable cotton keeps you cooler in warmer weather. Active L activities:** Suitable for light workouts or active days, though for intense workouts you might prefer moisture-wicking blends. Under Tight Clothing:** The smooth fabric and mid-thigh length work nicely under leggings or fitted outfits without visible lines. Pros Soft, breathable cotton blend Comfortable waistband that doesn’t roll or dig True mid-thigh coverage Good value with a 4-pack Durable after multiple washes Cons Not moisture-wicking like athletic-oriented underwear (if you need to stay dry during intense workouts) Some people prefer a higher or lower rise depending on body type Colors are basic; if you want prints or bolder colors, options are limited Who I’d Recommend These For Anyone seeking affordable, comfortable everyday underwear with a classic mid-thigh boxer brief silhouette. People who prioritize cotton and breathability over high-tech moisture-wicking fabrics. Those who like a simple, versatile pack suitable for mixed wardrobes. If you’re deciding between Hanes Originals and something with more performance features, these are a solid everyday staple. They won’t wow you with luxury, but they deliver reliable comfort and durability at a sensible price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
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Gabrielle
Pawtucket, US
★★★★★ 5
Postpartum Opinion
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
Bought the boy shorts size XL for postpartum and am still wearing them 8 months later! Holds all the postpartum goods in but are super stretchy too. Sooooo comfy! They do roll up when putting pants on but if you’re wearing them to bed or around the house, amazing!
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Reviewed in the United States on March 30, 2026
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NatureNerd
Grantham, US
★★★★★ 3
To fit or not to fit?
Fit Type: Boyshort, Size: XX-Large, Color: Assorted Colors
NIce quality, comfortable fabric, dries quick, and retains color after multiple washings. However; the fit did not work 100% for me. The legs kind of rode up and the boy shorts had a tendency to ride down, especially with consistent bending up and down activity. Good product but not a perfect fit for my shape. The bikini style was ideal and purchased multiple times.
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Reviewed in the United States on April 7, 2026
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Lotanya Mclean
New York, US
★★★★★ 5
Comfortable
Fit Type: Boyshort, Size: Medium, Color: Assorted Colors
These are very comfortable, lovely colors. You need to size down when purchasing a the material is high stretch.
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Reviewed in the United States on May 26, 2026
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Kim
Whiting, US
★★★★★ 5
Great choice
Fit Type: Boyshort, Size: XX-Large, Color: Assorted Colors
Very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026

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