G-37 - Fortress Marine Anchors Fortress G-37 18lb Guardian | Aztek Computers
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SKU: ZP2JU8ILNQ |  Mfg. Part: G-37  | UPC: 647124340379  | 
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G-37 - Fortress Marine Anchors Fortress G-37 18lb Guardian Anchor for 42'-47' Boats

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$343.99 
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Product Overview

G-37 18lb Guardian Anchor for 42'-47' Boats

Boat size recommendations are for boats of average windage and proportions in 30 knots of wind, average bottom conditions, and moderate protection from open seas. Remember that the loads in 42 knots of wind are twice as much as in 30 knots.

Use three-strand nylon rope, 6-12 ft (2-4 m) of chain and a minimum of 5:1 scope. Also, a minimum of 6 ft (2 m) of chain should be used for every 25 ft (8 m) of water depth. For storm conditions use an anchor one or two sizes larger.

Specifications:
  • Boat Length: 42-47ft/12-14m
  • Weight: 18lbs/8kg
  • Holding Power: 32° (Hard Sand)
  • Holding Power: 32° (Soft Mud)
  • Shank
  • Fluke
  • Stock
  • Proof Coil Chain
  • Nylon Rope
  • Shackle Size
















Expert Overview

The Fortress G-37 Guardian Anchor is an 18lb anchor designed for marine applications, specifically for boats ranging from 42 to 47 feet (12-14 meters) in length. This anchor is engineered to provide reliable holding power in average windage and bottom conditions, with moderate protection from open seas, assuming 30 knots of wind. It addresses the need for secure mooring for mid-sized vessels under standard operational conditions. The G-37 anchor is suitable for IT buyers managing procurement for maritime operations or facilities that require dependable anchoring solutions. It is recommended to pair this anchor with three-strand nylon rope, 6-12 feet (2-4 meters) of chain, and a minimum 5:1 scope for optimal performance. For every 25 feet (8 meters) of water depth, a minimum of 6 feet (2 meters) of chain should be used.

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Fortress Marine Anchors
  • G-37
  • 647124340379
  • New
  • 19 lbs
  • 40 X 3 X 8
  • Aug 02, 2026
  • May 16, 2026
  • United States
Product Identifiers: Brand: Fortress Marine Anchors • Part #: G-37 • UPC: 647124340379

Frequently Asked Questions

What boat sizes is the G-37 anchor suitable for?

The G-37 anchor is recommended for boats between 42 and 47 feet (12-14 meters) in length. These recommendations are based on boats of average windage and proportions in 30 knots of wind, average bottom conditions, and moderate protection from open seas.

What is the weight of the Fortress G-37 anchor?

The Fortress G-37 Guardian Anchor weighs 18 pounds (8 kg).

What accessories are recommended for use with this anchor?

It is recommended to use three-strand nylon rope, 6-12 feet (2-4 meters) of chain, and a minimum of 5:1 scope. Additionally, a minimum of 6 feet (2 meters) of chain should be used for every 25 feet (8 meters) of water depth.

What are the holding power specifications for this anchor?

The G-37 anchor has a holding power of 32 degrees in both hard sand and soft mud conditions.

G-37 - Fortress Marine Anchors Fortress G-37 18lb Guardian Anchor for 42'-47' Boats

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Reviews for Fortress Marine Anchors G-37

$343.99