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Description
Quick Dylan DH4 HYDRO D Windlass - 10mm (3/8") Hydraulic With DrumVertical windlasses Base in anodized aluminium in hard oxide Rope and chain on a single gypsy Integrated sensor and magnet for chain counter Manual Free Fall system Emergency manual lift system Supplied with pressure lever Inspection lid IP66 IP67 watertight motor Anodized aluminium gearbox The DH4 is a vertical application windlass perfect for boats with limited deck space. Comes in different variations with or without the drum capstan for rope
- Vertical windlasses
- Base in anodized aluminium in hard oxide
- Rope and chain on a single gypsy
- Integrated sensor and magnet for chain counter
- Manual Free-Fall system
- Emergency manual lift system
- Supplied with pressure lever
- Inspection lid
- IP66 / IP67 watertight motor
- Anodized aluminium gearbox
The DH4 is a vertical application windlass perfect for boats with limited deck space. Comes in different variations with or without the drum capstan for rope retrieval as well as various gypsy sizes for rope or chain retrieval. High power watertight AC or DC Motors and a Hydrualic power option.
Gypsy Options
| Gypsy | 10mm (3/8") | 12/13mm | ||||
|---|---|---|---|---|---|---|
| Chain | 10mm DIN 766 | 10mm ISO | 3/8" G4 | 13mm DIN 766 | 12mm ISO | 7/16" G4 |
| Rope | 15.8mm (5/8") - 19mm (3/4") | 19mm (3/4") | ||||
The values in the table refer to a three-strand polyester rope with a rope/chain splice manufactured with the "Slim Splice Quick" system.
Specifications
Electric Versions
| Standard Version | DH4 1500/1500D | DH4 1700/1700D | DH4 2000/200D | DH4 AC 3000/3000D | |
|---|---|---|---|---|---|
| Motor Power | 1500W | 1700W | 2000W | 3000W | |
| Motor Supply Voltage | 12V | 12V | 24V | 24V | 230/400V AC |
| Maximum Pull | 1100Kg 2425 lb | 1150Kg 2535 lb | 1200Kg 2646 lb | 1600Kg 3527 lb | 2800Kg 6173 lb |
| Maximum working load | 400Kg 882 lb | 470Kg 1036 lb | 570Kg 1257 lb | 750Kg 1653 lb | 930Kg 2050 lb |
| Working load | 135Kg 298 lb | 155Kg 342 lb | 190Kg 419 lb | 250Kg 551 lb | |
| Current absorption @ working load | 150 A | 170 A | 95 A | 105 A | |
| Maximum chain speed | 35.2m/min 115.5 ft/min | 33.5m/min 109.9 ft/min | 39m/min 128 ft/min | 35m/min 114.8 ft/min | 15m/min 50.5 ft/min |
| Maximum chain speed @ working load | 19m/min 62.3 ft/min | 16.2m/min 53.1 ft/min | 20.8m/min 68.2 ft/min | 22.3m/min 73.2 ft/min | |
| Weight without drum | 25.8Kg 51.1 lb | 25.1Kg 55.3 lb | 30.7Kg 67.7 lb | 33.1Kg 81.35 lb | |
| Weight with drum | 27.8Kg 54 lb | 26.4Kg 58.2 lb | 32Kg 70.5 lb | 36.9Kg 81.35 lb | |
Hydraulic Versions
| Standard Version | DH4 Hydro/Hydro D |
|---|---|
| Motor type | Reversible gear-type |
| Motor Power | 9.6cc 0.59in³ |
| Maximum Pressure | 210 bar 3045 psi |
| Maximum Flow Rate | 40L/min 9.1 USG/min |
| Maximum Lifting Capacity | 210 bar = 1000Kg 3045 PSI = 2204.6 lb |
| Maximum chain speed | 23m/min 75.4 ft/min |
| Weight without drum | 19.7Kg 43.43 lb |
| Weight with drum | 22.5Kg 49.6 lb |
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
4.4 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Great Product
Size: 90 Count (Pack of 1)
Life Extension’s Neuro-Mag Magnesium L-Threonate is a standout supplement designed to support cognitive health, and after trying it for several months, I can see why it’s so highly regarded. This product contains magnesium L-threonate, a unique form of magnesium that’s specifically formulated to cross the blood-brain barrier, making it highly effective for brain health. Each serving (three vegetarian capsules or one scoop of the tropical punch powder) delivers 2,000 mg of magnesium L-threonate, providing 144 mg of elemental magnesium. Here’s my take on its performance, benefits, and overall experience.
Pros:
• Cognitive Support: I noticed improved mental clarity and focus after about two weeks of consistent use. Tasks that require working memory, like recalling details or multitasking, felt smoother and less taxing. This aligns with research indicating magnesium L-threonate’s ability to enhance synaptic density and cognitive function, particularly in aging individuals.
• Sleep Benefits: While not marketed primarily for sleep, I found that taking it about an hour before bed helped me fall asleep faster and wake up feeling refreshed. This echoes user experiences shared on platforms like X, where some reported better sleep quality and daytime alertness.
• High Absorption: Unlike other magnesium forms like oxide or citrate, which are better for whole-body benefits, magnesium L-threonate is designed for brain absorption. Studies cited by Life Extension show it can boost magnesium levels in cerebrospinal fluid by 15% in animal models, which likely contributes to its cognitive effects.
• Clean Formula: The capsules are gluten-free, non-GMO, and vegetarian, with no major allergens or unnecessary fillers. The powder version has a pleasant tropical punch flavor, making it easy to mix with water or juice.
• Trusted Brand: Life Extension’s rigorous testing for purity and potency gives confidence in the product’s quality. Their transparency, including offering Certificates of Analysis, is reassuring.
Cons:
• Price Point: Neuro-Mag is pricier than standard magnesium supplements, which might be a drawback for budget-conscious buyers. However, the specialized form and targeted benefits justify the cost for those prioritizing brain health.
• Time to Notice Effects: While some users report benefits in as little as six weeks, full effects may take up to 12 weeks, requiring patience.
Final Verdict: Life Extension’s Neuro-Mag Magnesium L-Threonate is a high-quality supplement that delivers on its promise of supporting cognitive health. Its ability to enhance memory, focus, and even sleep quality makes it a worthwhile investment for those prioritizing brain function. Great benefits and clean formulation make it a top choice!
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Reviewed in the United States on June 16, 2025
★★★★★ 5
Effective results
Size: 90 Count (Pack of 1)
This is the only supplement I take where I actually feel its effects. It helps regulate my sleep, helps brain function and anxiety, just makes me feel better overall! And it’s not rough on the stomach at all. Highly recommend!
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Reviewed in the United States on May 19, 2026
★★★★★ 4
Noticeable Support for Calm and Clarity
Size: 90 Count (Pack of 1), Size: 90 Count (Pack of 1)
This magnesium L‑threonate supplement has been a great addition to my daily routine. The capsules are easy to take, gentle on my stomach, and I’ve noticed a clearer, more focused feeling throughout the day. It also brings a nice sense of calm in the evenings without making me groggy. The formula feels clean and well made, and it fits effortlessly into a wellness routine. If you’re looking for a reliable magnesium option that supports relaxation and mental clarity, this one is a solid choice.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Highly recommend for sleep, mood, mental health
Size: 90 Count (Pack of 1)
I recently re-discovered this supplement, and I'm buying extras left and right and recommending to everyone I talk to. I've been working on increasing my HRV and supporting my nervous system, and the L-threonate is a rockstar for that. I was taking glycinate for a few months, and I found an old bottle of this one and added just 2 capsules, and the effect on my sleep was immediate. Way better than melatonin. My Fitbit is tracking much lower restlessness and more deep sleep, and I actually wake up feeling refreshed ?? and before my alarm, even! I'm noticing lower anxiety and an overall better mood, and it's only been 4 days. This bottle definitely holds its value, and the price is good, especially if I can get these benefits with just the 2 caps and not 3.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Big winner for helping BETTER SLEEP
Size: 90 Count (Pack of 1)
Life Extension is top of the line on most things they have. also pricier than most, but I buy three items for them regularly for many years. This Neuro-Mag with L-Threonate is excellent for boosting better sleep. This is a newer addition to their line. I also suggest trying their Mult-B complex and their B-12 elite (sublingual) On nearly all items, their quality control is near THE TOP of all suppliers. They also have supported vitamin and supplement research on my items over the last 40 years
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Reviewed in the United States on May 29, 2026