2004 Mainship 400 Trawler

$199,900

Used

Boat in Fall River, MA 02721 US

builtBuilt in 2004
Year the boat was built
model

400 Trawler

Boat model
engine

1 Engine (Yanmar)

Engine type and count
length

41.3 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material
Length Overall
41.33ft
Beam
14.17ft
Max Bridge Clearance
19.17ft
Max Draft
3.67ft
Cruising Speed
8kn
Max Speed
12kn
Cabins
2
Heads
1
Fresh Water Tanks
130gal
Fuel Tanks
300gal
Holding Tanks
47gal
Hull Material
fiberglass
Engine 1
Engine Make
Yanmar
Engine Model
6LY2A-STP
Total Power
370hp
Engine Hours
1283
Engine Type
inboard
Fuel Type
diesel
Drive Type
direct
Summary
Pathfinder is a 2004 Mainship 400 Trawler that has been loved and cared for by her original owner since 2004.
Electrical

50 Amp Shorepower Inlet (Bow & Stern Hook Up)

50 Amp Shorepower Cord

50 Amp to (2) 30 Amp Splitter

110V Breaker Panel

Voltmeter, Analog – 110V

Ampmeter, Analog – 110V

110V Outlets

12V Breaker Panel

Voltmeter, Analog – 110V

Ampmeter, Analog – 110V

12V Outlets with USBs with Voltage Display

Cabin Lights, 12V

Courtesy Lights, 12V

Deck Lights – FB, 12V

Standard USCG Navigation Lights, 12V

Bilge Lights, 12V

Freshwater Pump, 12V

Raw Water Pump, 12V

Macerator Pump, 12V (2025)

(3) Bilge Pumps, 12V

High Water Bilge Pump & Alarm, 12V

Bilge Blower, 12V

(3) Wipers, 12V

Window Wash Pump, 12V

Horn, 12V With Fog Mate 

(2) 8D Batteries (2025)

Generator Battery

Mastervolt Power Combi Inverter 12V/2000W, Charger 100Amp/120V (2025)

Mastervolt Control Panel and Monitor (2025)


Electronics

Navigation:

Raymarine RL70CRC Chartplotter

Raymarine RL70C Chartplotter

Raymarine Radar Dome

(2) Raymarine ST-6001 Autopilot

Raymarine ST-60 TriData

Icom IC-M502 VHF

Icom RAM Mic

Yaesa SSB Ham Radio

(2) Magnetic Compass

Entertainment:

Bose 321 AM/FM/CD/DVD Surround Sound System with Bluetooth

Sole LCD TV, Salon

Vizon LCD TV, Fwd Berth

Boss MR1305WUA Stereo System

(4) Boss Speakers


Mechanical

Yanmar 6LY2A-STP 370Hp Diesel Engine (1,283hrs - July 2025)

Heat Exchanger (March 2026)

Engine Cooling Hoses (March 2026)

(2) Faria RPMs/Hours Display

(2) Faria Oil Pressure, Voltage, Temp, Fuel

Kohler 8Kw Diesel Generator (1,412hrs - July 2025)

Oil X Change System

Dripless Shaft Log

Bow Thruster

Bennett Trim Tabs

Lewmar Windlass

SeaFire Fire Suppression System

2 Zone MarineAir AC/Heat – 110V

Jabsco Marine Head, 12V (New Head Hoses Nov. 2025)

Wema Waste Tank Monitor

Princess Seaward 3 Burner StoveTop with Oven – Propane

Grill on Flybridge – Propane

NovaKool Refrigerator

NovaKool Freezer

Uline Icemaker, Flybridge – Not working

Wema Water Tank Monitor

Smod Microwave, 110V

Black & Decker Coffee Maker

Hotwater Heater, 110V

Seward Propance Solenoid Control

SafeTAlert Carbon Monoxide Detectors

Smoke Detectors

Freshwater Manifold


Additional

Full Canvas Enclosure – FlyBridge

3 Forward Panels (2024)

Dinghy Davits

OceanAir Shade/Screens

Pull Out Sleeper Couch

KVH Satellite TV – Needs subscription

UFO Antenna

Exterior Window Snap on Shades

Standard USCG Safety Package

Docklines

Fenders

Boathook

Rocna Anchor – 44lbs

Delta Anchor – 44lbs

Delta Anchor – 35lbs

Chain – 200ft

Rode

Fender Boards

Flare Gun 25mm

Bottom Paint 2025

Disclaimer

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.

Mechanical Disclaimer

Engine and generator hours are as of the date of the original listing and are a representation of what the listing broker is told by the owner and/or actual reading of the engine hour meters. The broker cannot guarantee the true hours. It is the responsibility of the purchaser and/or his agent to verify engine hours, warranties implied or otherwise and major overhauls as well as all other representations noted on the listing brochure.

Generators
Generator 1
Make
Kohler
KW
8
RPM
0
Hours
1412
Date Hours Recorded
07/02/2025
Detail
Kohler, 8 KW, 1412 hours

Price History

DateEventPrice
7/2/25Initial price$199,900

Overview from around the web 2004 Mainship 400 Trawler

Customers praise the 2004 Mainship 400 Trawler for its spacious and comfortable interior, making it ideal for extended cruising and liveaboard lifestyles

Many highlight the solid construction and reliable performance of the twin diesel engines, which provide smooth and efficient handling. The ample deck space and functional flybridge are often noted as great features for entertaining and enjoying panoramic views. Overall, owners appreciate the blend of classic trawler styling with practical amenities, contributing to an enjoyable and relaxing boating experience.

The Biggest Pros and Cons

The 2004 Mainship 400 Trawler offers a range of advantages and some considerations to keep in mind:

Pros

Spacious Layout: The 400 Trawler features a roomy interior with comfortable accommodations, including a full-beam master stateroom and a guest cabin, making it ideal for extended cruising.

Sturdy Construction: Known for its solid build quality, this model provides excellent stability and seaworthiness, suitable for coastal and offshore passages.

Efficient Fuel Consumption: Equipped with reliable diesel engines, it offers good fuel economy for its size, enhancing long-range cruising capabilities.

Easy Handling: The design includes user-friendly controls and good visibility from the pilothouse, making docking and maneuvering simpler.

Ample Storage: Plenty of storage space throughout the boat supports longer trips and liveaboard comfort.

Cons

Moderate Speed: The 400 Trawler is designed more for comfort and efficiency than speed, typically cruising around 7-9 knots, which may be slower compared to some other trawlers.

Aging Electronics: Being a 2004 model, onboard electronics and navigation systems may require upgrading to modern standards.

Maintenance Requirements: As with any vessel of this age, regular maintenance is essential to keep systems in good working order.

Limited Airflow: Some owners note that ventilation in the cabins can be improved, especially in warmer climates.

Made For

The 2004 Mainship 400 Trawler is designed for boating enthusiasts who value comfort, durability, and extended cruising capabilities. Ideal for those seeking a spacious and reliable vessel, it suits families, liveaboards, or couples looking to explore coastal waters with ease. Its classic trawler design appeals to boaters who appreciate efficient fuel consumption and a sturdy, seaworthy ride, making it perfect for leisurely voyages and long-distance adventures.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2004 Mainship 400 Trawler. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Trawler cost in today's market, or how much does a Mainship cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$2,268.81/mo
$
$
Loan amount$ 199,900
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2004 Mainship 400 Trawler. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Trawler cost in today's market, or how much does a Mainship cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$2,268.81/mo
$
$
Loan amount$ 199,900
OR
%

Contact Latitude Yacht Brokerage

Goat Island Marina, 5 Marina Plaza, Newport, RI, 02840

Be the first to know when similar boats hit the market

Get notified when new boats become available

Meet the Broker

Address

Goat Island Marina
5 Marina Plaza
Newport, RI 02840
Other Information about Latitude Yacht Brokerage

Latitude is a Certified Professionally Endorsed Yacht Brokerage (CPYB) firm based in historic Newport, Rhode Island with brokers and offices covering all of New England and Florida. We specialize in the brokerage of select Motor Yachts, Trawlers, and Downeast Style Cruisers as well as Racing, Cruising and Offshore Sailing Yachts.

Be the First to Know

Get notified when new boats become available.