Mainship 43 Trawler 2007 boat specs
Mainship
Mainship 43 Trawler 2007
2007
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Mainship 45 Trawler 2008 boat specs
Mainship
Mainship 45 Trawler 2008
2008
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Mainship 43 Trawler 2007 vs Mainship 45 Trawler 2008 — Same Brand, Different Boat

The Mainship 43 Trawler 2007 vs Mainship 45 Trawler 2008 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

On paper these two are close siblings in the size department — Mainship 43 Trawler 2007 at 47,0 ft versus Mainship 45 Trawler 2008 at 47,0 ft. At 4 lbs and 4 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The Mainship 45 Trawler 2008 tops out at 540 hp. Engine specs for the Mainship 43 Trawler 2007 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 777 gal and 777 gal — so range won't be a tiebreaker here.

Both boats are rated for 14 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Mainship 43 Trawler 2007 and Mainship 45 Trawler 2008 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeMainship
MakeMainship
Model43 Trawler
Model45 Trawler
Model Year2007
Model Year2008
Measurements / Dimensions
Beam15 ft. 6 in. (4.72 m)
Beam15 ft. 6 in. (4.72 m)
Beam - Meters4.72
Beam - Meters4.72
Beam - Inches186
Beam - Inches186
Bridge clearance - DetailAir Draft: 18 ft. 8 in. (5.69 m)
Bridge clearance - Detailnot available
Bridge clearance - Meters5.69
Bridge clearance - Metersnot available
Bridge clearance - Inches224
Bridge clearance - Inchesnot available
Draft [max] - Detail3 ft. 8 in. (1.12 m)
Draft [max] - Detail3 ft. 8 in. (1.12 m)
Draft [max] - Meters1.12
Draft [max] - Meters1.12
Draft [max] - Inches44
Draft [max] - Inches44
Weight - Detail40,000 lbs. (18,160 kg)
Weight - Detail40,000 lbs. (18,160 kg)
Weight - kg18143.68
Weight - kg18143.68
Weight - lbs.4
Weight - lbs.4
Length - Meters14.55
Length - Meters14.55
Length - Feet47
Length - Feet47
Length - Inches9
Length - Inches9
Length overall - Detail47 ft. 9 in. (14.55 m)
Length overall - Detail47 ft. 9 in. (14.55 m)
Length overall - Meters14.55
Length overall - Meters14.55
Length overall - Inches573
Length overall - Inches573
Height - Detailnot available
Height - DetailAir Draft: 18 ft. 8 in. (5.69 m)
Height - Metersnot available
Height - Meters5.69
Height - Inchesnot available
Height - Inches224
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typenot available
Hull typeSemi Displacement
Engine and Drivetrain
Fuel tank capacity - Detail777 gal. (2,941 l)
Fuel tank capacity - Detail777 gal. (2,941 l)
Fuel tank capacity - Liters2941.26
Fuel tank capacity - Liters2941.26
Fuel tank capacity - Gal777
Fuel tank capacity - Gal777
Fuel typeDiesel
Fuel typeDiesel
Drive typeInboard
Drive typeInboard - Twin
Engine maxTwin Cummins, 540 hp (403 kW)
Engine maxTwin: 540 hp ea. (403 kW ea.)
Operational Info
Headroom6 ft. 3 in. (1.91 m)
Headroom6 ft. 3 in. (1.91 m)
Sleeping capacity4-6
Sleeping capacity4-6
Water capacity200 gal. (757 l)
Water capacity200 gal. (757 l)
Holding tank capacity - Detail56 gal. (212 l)
Holding tank capacity - Detail56 gal. (212 l)
Holding tank capacity - Liters211.98
Holding tank capacity - Liters211.98
Holding tank capacity - Gal56
Holding tank capacity - Gal56

Mainship 43 Trawler 2007 vs Mainship 45 Trawler 2008 — Common Questions

Which is the larger boat — the Mainship 43 Trawler 2007 or the Mainship 45 Trawler 2008?
The Mainship 45 Trawler 2008 is the longer of the two at 47,0 feet overall. The Mainship 43 Trawler 2007 comes in at 47,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Mainship 43 Trawler 2007 or the Mainship 45 Trawler 2008?
For trailering, the Mainship 45 Trawler 2008 has the edge at 4 lbs dry weight versus 4 lbs for the Mainship 43 Trawler 2007. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
What is the maximum horsepower rating for these boats?
The Mainship 45 Trawler 2008 has a documented max rating of 540 hp. Engine specifications for the Mainship 43 Trawler 2007 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Mainship 43 Trawler 2007 is Coast Guard rated for 14 passengers, while the Mainship 45 Trawler 2008 is certified for 14. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Mainship 43 Trawler 2007 and Mainship 45 Trawler 2008 share an 15 ft. 6 in. (4.72 m) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
How do the fuel tanks compare on the Mainship 43 Trawler 2007 and Mainship 45 Trawler 2008?
Both boats carry similar fuel loads — 777 gallons and 777 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Mainship 43 Trawler 2007 and Mainship 45 Trawler 2008 from the same manufacturer?
Yes — both the Mainship 43 Trawler 2007 and the Mainship 45 Trawler 2008 are built by Mainship. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.