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The boat featured is not currently for sale by Boatshed. The boat information and images presented are part of Boatshed’s back catalogue of the 20,000+ boats we have listed in the last 15 years and appear here for general information and guidance purposes about Boatshed and our boat selling systems and services
Mainship 350/390 Trawler

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Boat REF# 155242
Sold / Unavailable
Length 39'0"
Year 1999
Construction GRP
Underwater profile Semi-Displacement
Sleeping berths 4
Engine 2 x diesel 230hp, Yanmar 4LH-STE (1999)
Lying Port Ludlow


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Extra Details

Builder Mainship
Lying Port Ludlow
Fuel capacity 300.0 USG Total - 2 Tanks
Water capacity 140.0 USG Total - 3 Tanks
Holding tank capacity 30.0 USG Total - 1 Tanks


Engine 2 x diesel 230hp
Engine make and model Yanmar 4LH-STE (1999)
Engine Hours engine1:   730    engine2:   730
Engine Cooled Indirect
Steering wheel
Drive shaft
Prop(s) 4 Blade Nibral
10% discount on diving services!
Fuel consumption (approx) 4.5 USG /hour At Cruising Speed
Cruising speed (approx) 8 knots
Max speed (approx) 19 knots
Generator output 4.5KVA

Northern Lights generator with sound enclosure.

Two 8D house batteries, one genset battery all charged from the engine, genset, and house charger. Two standalone thruster batteries with their own individual 120 volt chargers as well as being charged from the genset .

1 1/2 inch stainless shafts with four bladed bronze props.


Length 39'0"
LWL 35'0"
Beam 14'2"
Draft Max 3'8"
Airdraft 18'8"
Displacement 22,000.0lbs
Headroom 6'5"
Storage On marina

Electrical Systems

12 volt, 5 batteries charged by: engine, shore power, generator


Save 10% on graphic design and boat graphics
Construction GRP
Underwater profile Semi-Displacement
Finish Gelcoat finish

While this was sold as a Mainship 350, the model designation subsequently changed to 390 and it should be compared to boats with either designation.
140 gallons of water in three tanks.


Total # of berths 4
No. of double berths 2
Cabin(s) 2
Sink 1
Shower 1
Heads 1 heads (Electric)
Stove tick
Oven tick
Sink tick
Fridge tick
Freezer tick
Carpet tick
Cabin heating tick
Pressurised water system tick
Hot water system tick
Fresh water wash tick
Cockpit shower tick
Non-Smokers tick
Microwave tick

Two private staterooms forward which can accommodate two adults in each. The master stateroom has a center-line queen berth, two hanging lockers and plenty of drawers for storage. The guest stateroom to port has a large berth and a hanging locker and plenty of storage and a custom book shelf is installed on the bulkhead. The Mainship 350/390 Fast Trawler blends today's technology with years of experience in crafting thousands of trawlers. Inside the spacious cabin, for example, is a lower helm station that's complete with full instrumentation and a windshield equipped with wipers and washers. The salon features warm teak highlighted by designer fabrics and teak and holly floor in the salon. Princess 3 burner propane stove with oven. Microwave oven. Built in coffee maker. Stainless steel sink. Fridge with bottom freezer

3 burner propane Stove

Nav Equipment

Save 10% on Marine Electronics*
Compass tick
Speed tick
Log tick
Radar tick
VHF tick
GPS tick
Chart plotter tick
Autopilot tick
Stereo tick
Clock tick
Navigation lights tick
Fish Finder tick
Depth sounder tick

2 Garmin GPS/Plotters, one 3210 and one 210C on the fly bridge and one on the helm below. All instruments are duplicated up and down as well as the bow thruster and stern thruster, and autopilot with wireless remote. Stereos up and down with CD player as well. Furuno 1731 Mk 3 radar with flybridge repeater
Furuno GPS navigator
Furuno color fish finder/depth sounder
Robertson autopilot
Raydata multifunction display
2 Raytheon VHS radios

Deck Gear

10% discount on marine canvas covers!
Rode tick
Fenders tick
Swim Platform tick
Instrument Covers tick
Cockpit Enclosure tick
Stern Thruster tick
Bow Thruster tick

Electric Lewmar windlass
1 anchors
20'0" of chain
180'0" of rode
Wireless remote for the thrusters.

Safety Equipment

4 bilge pumps (0 manual / 4 electric)

Micron 66, 3 year bottom paint, April 2012
Engines/transmissions oil, filters and fluids, April 2012
Professional cleaning, Feb 2013
Zincs and bottom wipe, Feb 2013

Broker's Comments

Mainship took traditional trawler concepts and with the Mainship 350 / 390 Fast Trawler produced a more modern boat in styling and function.
With a price reduction of $10,000 it makes this fine yacht just htat much more attractive. Owner says it must go....
Cruises comfortably and economically between 8 and 12 knots. Inside the spacious cabin is a lower helm station complete with full instrumentation. A bow thruster and stern thruster make docking and maneuvering effortless. While underway in inclement weather your visibility is excellent with wraparound windows and windshield with wipers and washers. The roomy salon features warm teak highlighted by designer fabrics and opening windows with screens. The galley is equipped for cruising or entertaining pleasure, a large master stateroom gives you a center island bed, and a second stateroom features a second queen-size berth. The flybridge is enclosed with almost new looking canvas with new looking isinglass. The head has a built-in vanity, extremely spacious shower with stall, opening hatch, port light, mirror and electric marine toilet. On the fly bridge you have a huge area for entertaining or lounging, a center helm with great visibility, full instrumentation, seating for 6+, drop-leaf table and a radar mast. Aft of the fly bridge seating is a very large sun deck, with room for entertaining and lounging.You reach the deck by a wide molded stairway with full handrail. This is a beautiful boat that has been superbly maintained by the owner. She still looks brand new!

These boat details are subject to contract.
Note: Offers on the asking price may be considered.

This Mainship 350/390 Trawler has been personally photographed and viewed by David Ritchey of Boatshed Seattle. Click here for contact details.
The particulars herein are intended to give a fair description of the vessel but are not guaranteed as accurate. They shall not form part of any offer or contract for the sale of the vessel. The prospective purchaser is recommended to independently check the particulars. The vendor is not selling in the course of a business unless otherwise stated. Personal property is excluded from the sale of the vessel unless specifically included in the listing specifications above or in a Purchase Contract. Personal property may be equipment or gear not permanently attached to the vessel including but not limited to: artwork, entertainment equipment, fishing equipment, TV receivers, recreational equipment, kayaks, tools, and personal appliances. Photos that may incidentally depict owners' personal property do not convey that such items are included in the sale of the vessel unless specifically listed herein.

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