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1980 Mainship MK I

$50,000 Westerly, Rhode Island
Make Mainship
Model MK I
Year 1980
Condition Used
Price US$50,000
Fractional Shares 1
Type Power
Class Trawler
Length 34 ft
Fuel Type Diesel
Hull Material Fiberglass
Location Westerly, Rhode Island
LOA 34 ft
Engine Make Perkins
Engine Model 6 Cyl
Fuel Type Diesel
Builder Mainship
Fuel Tanks 1
Fresh Water Tanks 1
Holding Tanks 1


This is a well equipped example of this popular diesel powered trawler. Highlights include a newer upsized Perkins 260 HP installed in 2003, Bow Thruster, Generator replaced in 1993, newer fuel tanks, Newer upholstery, autopilot and full canvas enclosure on upper & lower decks.

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Beam: 11' - 11"
Max Draft: 2' - 10"
Max Bridge Clearance: 13' - 6"
Displacement: 14,000


Total Power: 260


Fuel: 2 x 112 = 224
Holding: 12 wih Y-Valve


Board the boat off the rear cockpit than enter the salon from the sliding glass cockpit door. In the salon there is a sleeper sofa with open floor to the port side and lower helm. 3 steps down forward is the well appointed galley on starboard with head and separate shower to port. Forward of galley is the master state room with V berth and filler cushion.

  • New Cushions replaced in 2006
  • Atlantic 12 Gal Water Heater
  • VacuFlush Head
  • 1 Electric Burner
  • Dickinson 2 buener Diesel Stove
  • Panasonic microwave
  • Norcold upright Refireration AC/DC

Hull & deck

The hull is single skinned FRP construction with stringers and bulkheads FRO tabbed to hull for increased rigidity. This model has the white gel coat with black boot and cove stripes.

  • Teak Swim platform
  • Lower cockpit enclosure
  • SS Swim Ladder
  • Upper Bridge Enclosure


This boat has a new Perkins 260 hp diesel (original was a Perkins 160)installed in 2003. Hours are unknown at this time because the hour meter from the original engine is still in place and reads over 2000 hours. Based on normal use we would estimate hours on new engione to be between 250 - 600 hours.

  • 2 x 112 Gal Aluminum Fuel Tanks
  • Vetus Bow Thruster


  • Xantrex 20-amp Battery Charger
  • Westerbeke 5.0 kw Generator
  • 8D House Battery/Engine Start
  • Group 27 Generator Start Battery

Electronics & Navigation

  • Compass
  • Standard Horizon VHF
  • Furuno GPS Navigator
  • Furuno Radar
  • Apelco Fishfinder
  • Barometer
  • AutoHelm ST5000 Autopilot


  • 35# Danforth Anchor
  • Muir Manual Windlass
  • 5' Chain with 150' Rode
  • SS Anchor Roller


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.


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