DeFever Trawlers, Fishing-Boat DNA for Long-Range Cruisers

A working-boat designer turned to yachts

DeFever is not a factory but a design name. Arthur DeFever was a naval architect in San Diego who made his reputation drawing commercial fishing vessels for the West Coast fleet, boats that had to carry heavy loads, run long distances and stay safe in the Pacific. When he turned to cruising yachts, he brought the same priorities: displacement or semi-displacement hulls with real bilge, generous fuel capacity and practical deck layouts that a couple could handle.

Like many West Coast designers of his era, DeFever worked with builders in Taiwan, where skilled labor made heavy fiberglass hulls and teak interiors affordable for American buyers. Several yards built DeFever designs under license over the years, and the DeFever name has also been used commercially by later companies, so the builder, hull number and year matter as much as the model name.

Why the DeFever 49 Pilothouse matters

The DeFever 49 Pilothouse, the model we cover, is the design most buyers mean when they say DeFever. Its raised pilothouse gives excellent visibility and a separate watch-standing space, with a salon and galley aft and staterooms below. Twin diesels, a protected keel and large tankage make it a credible boat for the Inside Passage, the Bahamas and the Loop, and many have cruised to Mexico and Central America.

Other DeFever designs, such as the 41, 44, 48 and 53, appear regularly on the brokerage market. Compared with a Grand Banks of similar age, a DeFever is usually more of a long-range, liveaboard-minded passagemaker, while a Kadey-Krogen offers a single-engine alternative with a similar philosophy.

• Raised pilothouse with dedicated helm station
• Twin diesels with keel protection on most hulls
• Large fuel capacity for long-range cruising

Surveying a Taiwan-built trawler from the 1980s and 1990s

There is no factory to call, but the DeFever Cruisers owners organization is one of the most active trawler groups in the US, with rendezvous, technical archives and members who have solved nearly every problem these boats can present. Used DeFevers generally trade below comparable Grand Banks and Kadey-Krogens, which makes them attractive to buyers who value function over brand.

Taiwan-built trawlers of this period share predictable weak spots, and a survey should target them directly.

• Teak decks and the cored or plywood decks beneath them for leaks and rot
• Black iron or steel fuel tanks for corrosion and weeping
• Window frames and pilothouse windows for leaks
• Original twin diesels, exhaust systems and engine mounts
• Stabilizer condition, if fitted, and hydraulic systems
• Wiring, which may mix original and owner modifications