Mainship 390 Trawler 2001

Introducing the 2001 Mainship 390 – Lil Unsteady, a beautifully maintained and extensively updated turn-key cruiser. This exceptional vessel exemplifies the renowned Mainship 390, a classic trawler-style cruiser celebrated for its efficiency, spacious interiors, and ease of handling. Powered by a single Cummins 6BTA 330 with 4,672 hours, Lil Unsteady has been actively used, well cared for, and thoughtfully upgraded by knowledgeable owners, with an impressive maintenance history that truly sets it apart. **Key Features:** - Cummins 6BTA 330 (Single Diesel, 4600 hours) – Efficient, straightforward, and well-supported. - Comprehensive service records and ongoing system enhancements. - Equipped with a Simrad electronics suite. - Excellent canvas enclosure and outdoor accessories. - Includes an AB 10’ Tender with a Yamaha 15HP electric-start engine and davit. - Recent maintenance on the shaft, coupling, cutlass bearing, and prop (2025). - Upgraded inverter and electrical system. - Significant upgrades to the VacuFlush system and plumbing. - Newly rebuilt and resealed swim platform. **Standard Features of the Mainship 390:** - Spacious two-stateroom, one-head layout. - Bright and airy salon with abundant natural light. - Galley-up design featuring full appliances. - Wide side decks for safe navigation around the vessel. - Dual helms for upper and lower navigation. - Flybridge seating with a full enclosure. **Recent Upgrades and Maintenance:** - Electronics replaced (2021) including a complete Simrad system. - New NSS9 Evo3 MFDs and Halo20+ Radar (2024). - ACR Man-Overboard alarm system (2021) and a secondary depth finder (2019). **Engine and Transmission Maintenance:** - Cummins 1000-hour service completed (03/2025). - Extensive servicing of the heat exchanger, aftercooler, and exhaust components. - New OEM starter and fresh engine hoses (12/2024). **Generator:** - Professionally serviced with multiple upgrades and a complete service in 2024. **Electrical System:** - Victron inverter and Promariner charger replaced (2021). - LED upgrades and new underwater lighting installed (2025). **Plumbing and Sanitation:** - Comprehensive VacuFlush system rebuild (2025) and multiple pump replacements. **Canvas and Eisenglass:** - Updated flybridge enclosure and waterproofing (2020, 2024). **Air Conditioning:** - Two Dometic units, one recently replaced (2025). **Running Gear:** - Updated shaft seal and propeller maintenance (2025). **Interior and Appliances:** - New refrigerator, microwave, stereo, and TV (2024-2025). **Tender and Deck Gear:** - AB 10’ Dinghy with an inspected and serviced Yamaha outboard. **Hull and Bottom Maintenance:** - Regular bottom painting and cosmetic upkeep through 2025. **Swim Platform:** - Professionally rebuilt for durability and functionality. **Summary:** Lil Unsteady is more than just a Mainship 390; it’s an extensively maintained and thoughtfully upgraded cruising trawler. With significant mechanical, electrical, and structural enhancements already completed, this vessel is ideal for buyers seeking a reliable and well-documented cruiser ready for immediate adventures.

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