Detailed Evaluation & Buyer Recommendation
Mainship 34 Trawler 2009 vs Mainship Pilot31 2010 — A Close Look at Two Semi Displacements
When two boats share the same hull type — in this case both the Mainship 34 Trawler 2009 and the Mainship Pilot31 2010 are semi displacement designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department — Mainship 34 Trawler 2009 at 34,0 ft versus Mainship Pilot31 2010 at 33,4 ft. Weight tells a clearer story for trailering families: the Mainship Pilot31 2010 tips the scales at 1 175 lbs — 1 173 lbs less than the Mainship 34 Trawler 2009 at 2 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
Both boats share a closely matched power ceiling — 315 hp for the Mainship 34 Trawler 2009 and 315 hp for the Mainship Pilot31 2010. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Mainship 34 Trawler 2009 carries 25 gallons versus 18 gallons in the Mainship Pilot31 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 10 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 34 Trawler 2009 and Mainship Pilot31 2010 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
Model34 Trawler
ModelPilot?31
Model Year2009
Model Year201
Measurements / Dimensions
Beam14 ft. 2 in. (4.32 m)
Beam10 ft. 2 in. (3.1 m)
Beam - Meters4.32
Beam - Meters3.1
Beam - Inches17
Beam - Inches122
Draft [max] - Detail3 ft. 3 in. (0.99 m)
Draft [max] - Detail2 ft. 6 in. (0.76 m)
Draft [max] - Meters0.99
Draft [max] - Meters0.76
Draft [max] - Inches39
Draft [max] - Inches3
Weight - Detail20,000 lbs. (9,080 kg)
Weight - Detail11,750 lbs. (5,329 kg)
Weight - kg9071.84
Weight - kg5329.71
Weight - lbs.2
Weight - lbs.1175
Height - DetailClearance (Air Draft): 15 ft. (4.57 m)
Height - DetailClearance (Air Draft): 9 ft. 4 in. (2.84 m)
Height - Meters4.57
Height - Meters2.84
Height - Inches18
Height - Inches112
Length - Meters10.36
Length - Metersnot available
Length - Feet34
Length - Feet33.42
Length [over all with swim platform]36 ft. 1 in. (11 m) with pulpit
Length [over all with swim platform]35 ft. 5 in. (10.8 m)
Length overall - Detail34 ft. 0 in. (10.36 m)
Length overall - Detail33 ft. 5 in. (10.19 m)
Length overall - Meters10.36
Length overall - Meters10.19
Length overall - Inches408
Length overall - Inches401
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeSemi Displacement
Hull typeSemi Displacement
Engine and Drivetrain
Max no of engines2
Max no of engines1
Fuel tank capacity - Detail250 gal. (946 l)
Fuel tank capacity - Detail180 gal. (681 l)
Fuel tank capacity - Liters946.35
Fuel tank capacity - Liters681.37
Fuel tank capacity - Gal25
Fuel tank capacity - Gal18
Fuel typeDiesel
Fuel typeDiesel
Drive typeInboard
Drive typeInboard
Engine maxTwin: 315 hp ea. (235 kW ea.)
Engine max315 hp (235 kW)
Operational Info
Headroom6 ft. 4 in. (1.93 m)
Headroom6 ft. 3 in. (1.91 m)
Sleeping capacity2-4
Sleeping capacity4
Water capacity70 gal. (265 l)
Water capacity40 gal. (151 l)
Holding tank capacity - Detail34 gal. (129 l)
Holding tank capacity - Detail30 gal. (114 l)
Holding tank capacity - Liters128.7
Holding tank capacity - Liters113.56
Holding tank capacity - Gal34
Holding tank capacity - Gal3
Headnot available
HeadQuiet Flush®