![ARCO Marine Zeus A225S 3.15 Alternator w/Case Ground (Common Rail) Terminal Block [4012]](https://cdn.shopify.com/s/files/1/2785/3654/files/107519XL.jpg?v=1740663456)
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Description
ARCO Marine Zeus A225S 3.15 Alternator w/Case Ground (Common Rail) Terminal Block [4012]Zeus A225S 3. 15 Alternator with Case Ground (Common Rail) & Terminal Block The highest power output alternator in its size class. 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, running 8 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior
Zeus A225S 3.15 Alternator with Case Ground (Common Rail) & Terminal Block
The highest power output alternator in its size/class.
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, running 8-20% cooler than incumbent alternators due to:
- 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. Our advanced coating absorbs less heat, keeping the A225S cooler for sustained amperage output.
- Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.
- SAE J1171 Certified.
- Models are available with an internal/external voltage regulator.
- Proudly made in the U.S.A.
Technical Specifications:
- Voltage - 12v
- Field Type - P
- Rotor Poles - 16
- Stator Size - 130mm
- Frame Size - Small
- Weight - 12 lbs/5.4 kg
- Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)
- Output Voltage - 14.1v (Default)
- Finish - (Black) Cerakote or E-coating
- Cut-In RPM - 1,061 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) - 254 Amps
- Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps
- Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps
- Max Continuous Operating Temperature - 110°C / 230°F
Mounting Application:
- Must be used on Yanmar Common Rail introduced after 2013 (JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110)
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:
- 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
4.2 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Best paper towel holder
Color: Silver
Very easy to put together, very sturdy and works great! Holds the paper towel with no slipping or popping off and it does not move around on the counter because of the suction cups. Very satisfied with the purchase. Bought another for the bathroom and one for my mom.
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Perfection!
Color: White, Color: White
Oh my! A design so simple but so effective! I had a towel holder but when I went to pull a piece off..it would hardly budge. I use jumbo towels(triple rolls from Costco)I would have to hold it. And it would only work smoothly when the roll was down some. Then it would spin too fast!🙄 This holder..nope..the suction cups are nice and strong..and when I pulled a piece off..the spin was perfectly smooth and calculated... and you can tear off the piece perfectly You can hear the spin movement. SOOO glad I bought this..yes..it is expensive for a towel holder BUT...it does EVERYTHING its supposed to do! In my book...worth it. Do not hesitate...it's a keeper! And the white is perfect for my bathroom...blends in beautifully. But the choices are nice for any decor.
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Reviewed in the United States on May 16, 2025
★★★★★ 5
Excellent for one-handed operation
Color: Silver
This one-handed paper towel dispenser is very good quality. The suctions cups work very well on a clean, smooth surface. Has a good solid feeling while pulling off paper towels with one hand. You might have a slight learning curve on to how to pull correctly. Pull the paper towel only just far enough out that there is still good tension on the towel. Then pull the towel downward and close to the roll. A little practice will be rewarded with satisfaction of this product! Comes in so handy when you have one messy hand and only your other hand to pull off one or several towels. If pulling several sheets at once remember to pull them straight outward, then pull the last sheet downward and close to the roll. No fuss removing the used cardboard roll and replacing with a new roll. Assembly is easy. The assembly instructions aren't good quality but the parts only fit together one way. The dispenser will end up looking like a two-tier spoon carousel with the spoons hanging upside down. I would buy this as a gift for family or friends.
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Reviewed in the United States on May 6, 2024
★★★★★ 5
Sticks to the counter like superglue
Color: Silver
This paper towel holder definitely sticks to my granite countertop and wont move. I put it is a spot where that would not be a problem. If you need to move your papertowel holder daily, don't buy this one because you can barely pull it off the counter. But great product if you don't need to move.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
works great
Color: Silver
I went through several towel holders but they did not unroll the towels smoothly. This one’s does. You can tear the paper towel off without a bunch coming undone. It’s very sturdy. Looks great by our kitchen sink. Only issue is if the A/c hits it in unravels, so we had to move it to an area where it was not hit by the A/C. Simple fix.
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Reviewed in the United States on October 4, 2024