1975 Monark 30 Fishing Boat for Sale – 30 ft – Portland, OR, United States

1975 Monark 30 Commercial Workboat – Military-Built Aluminum Hull with Cummins QSL9 450HP Diesel, Raymarine Electronics, SI-TEX Radar, Hydraulic Pot Hauler & Dual-Axle Trailer

Built for the U.S. Navy and transformed into a fully equipped commercial utility vessel, this 1975 Monark 30 combines military-grade durability with modern upgrades—including a Cummins QSL9 450 HP diesel engine (62 hours), Raymarine electronics, SI-TEX radar, and a hydraulic pot hauler. It’s a turnkey platform for crabbing, fishing, or harbor work, and includes a dual-axle galvanized trailer.

HIGHLIGHTS:

• Cummins QSL9 8.9L Turbo Diesel – 450 HP, only 62 hours

• ZF Marine Transmission

• Hydraulic Pot Hauler with Integrated Controls

• Raymarine MFD, Sonar, VHF

• SI-TEX Radar System

• All-Welded Deep-V Aluminum Hull – Ex-military durability

• Heavy Push Knees, Non-Skid Deck, Flush Deck Hatch

• Enclosed Pilothouse with Sliding Side Doors

• Dual-Axle Galvanized Trailer Included

PROPULSION & MECHANICAL:

• Cummins QSL9 450 HP – 6-cylinder turbo diesel, keel-cooled

  • ZF marine transmission

  • Professional installation, clean bilge

  • Wet exhaust system with insulated lines

• Racor fuel filters, dual battery bank, master shut-offs

• 62 total engine hours

ELECTRONICS & NAVIGATION:

• Raymarine Multifunction Display with GPS and sonar

• SI-TEX Radar System

• Raymarine VHF Radio

• Labeled circuit breaker panel at helm

• Radar arch with mounted antenna and running lights

FISHING & DECK EQUIPMENT:

• Hydraulic Pot Hauler – mounted forward on port side

  • Integrated controls at helm

  • Ideal for commercial crabbing or trap fishing

• Large open working deck with ample tie-down space

• Push knees forward for gear handling or pushing skiffs

• Aluminum non-skid deck, flush hatch access to bilge

• Commercial rub rails and deck hardware

PILOTHOUSE & HELM:

• Fully enclosed with dual sliding doors

• Captain’s seat with 360° visibility

• Clean dash layout and wiring access

• Room for additional seating or storage

TRAILER:

• Triple-Axle galvanized trailer included

• Adjustable bunks and winch post

• Road-ready and solid

VERSATILE & RUGGED:

• Perfect for commercial crabbing, research, utility, or sport fishing conversions

• Originally U.S. Navy-owned, later university-operated

• Clean title and ready for immediate use

MILITARY ROOTS. COMMERCIAL POWER. FULLY EQUIPPED.
This Monark 30 is a rare find—offering new diesel power, modern electronics, a hydraulic hauler system, and a work-ready deck on a proven aluminum hull. Built to serve and upgraded to perform, it's ready to be put to work or customized further.

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.