A lot of pull for the money on boats up to about 40 ft with no room below deck. The lack of a stated warranty is the catch.
Amazon $949.99 eBayThe Excalibur S612 Horizontal Windlass rates 3.2 among horizontal windlasses anchor windlasss; the Excalibur C912 Vertical Windlass rates 3.1 among vertical windlasses ones. The Excalibur S612 Horizontal Windlass costs $550 less ($949.99 vs $1,499.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

The stronger Excalibur vertical windlass for a boat up to 40 ft that wants more pull on a 1/4 in rode than the 600 W model.
Amazon $1,499.99 eBayScores side by side
These two sit in different style classes (horizontal windlasses and vertical windlasses), and each is scored against the reference points for its own class, so a rating says how well each does among its own style peers. How we rank explains each factor.
| Factor weight | Excalibur S612 Horizontal Windlass | Excalibur C912 Vertical Windlass |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Pull 20% | 83 1,200 lb maximum pull | 98 1,452 lb maximum pull |
| Line speed 15% | 50 line speed not published (neutral score used) | 50 line speed not published (neutral score used) |
| Value 30% | 71 $0.79 per lb of pull ($949.99, 1,200 lb) | 55 $1.03 per lb of pull ($1,499.99, 1,452 lb) |
| Features 10% | 35 stainless deck parts | 35 stainless deck parts |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Excalibur S612 Horizontal Windlass | Excalibur C912 Vertical Windlass | |
|---|---|---|
| Performance | ||
| Style | Horizontal windlass | Vertical windlass |
| Maximum pull | 1,200 lb | 1,452 lb |
| Working load | 400 lb | 484 lb |
| Motor | 600 W | 900 W |
| Current draw | 20 A | 55 A |
| Voltage | 12 V | 12 V |
| Fit | ||
| Boats up to | 40 ft | 40 ft |
| Rode | 1/4 in HT G4 chain and 1/2 in 3 strand rope | 1/4 in HT G4 chain and 1/2 in 3 strand rope |
| Wireless remote | No | No |
| Stainless deck parts | Yes | Yes |
| Weight | 28.7 lb | 20 lb |