Duckworth 21  2010 boat specs
Duckworth
Duckworth 21 2010
2010
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VS
Duckworth Silverwing Inboard 20 ft. 2007 boat specs
Duckworth
Duckworth Silverwing Inboard 20 ft. 2007
2007
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Duckworth 21 2010 vs Duckworth Silverwing Inboard 20 ft. 2007 — Which Deep Vee Fits Your Needs?

When two boats share the same hull type — in this case both the Duckworth 21 2010 and the Duckworth Silverwing Inboard 20 ft. 2007 are deep vee designs with aluminum 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?

Both boats are rated for 6 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 Duckworth 21 2010 at 21,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Duckworth Silverwing Inboard 20 ft. 2007 at 2,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeDuckworth
MakeDuckworth
Model21
ModelSilverwing Inboard 20 ft
Model Year201
Model Year2007
Measurements / Dimensions
Beam93.5 in
Beam93.5 in
Beam - Meters2.39
Beam - Meters2.39
Beam - Inches93.5
Beam - Inches93.5
DeadriseBow Entry: 21° Forward Entry: 19° Transom: 14°
Deadrise14℃ at transom
Weight - Detail2,800 lbs
Weight - Detailnot available
Weight - kg1270.06
Weight - kgnot available
Weight - lbs.28
Weight - lbs.not available
Width [transom] - Detail72 x 0.190 in
Width [transom] - Detail72 in
Height - DetailSides: 32 x 0.125 in
Height - Detail32 in
Height - Meters0
Height - Meters0.81
Height - Inches0.125
Height - Inches32
Length - Feet21
Length - Feet2
Length overall - Detail21 ft. 0 in
Length overall - Detail20 ft. 0 in
Length overall - Meters6.4
Length overall - Meters6.1
Length overall - Inches252
Length overall - Inches24
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typeDeep Vee
Hull typeDeep vee
Hull thicknessnot available
Hull thickness0.125 in
Engine and Drivetrain
Engine/s standardMP 305 V-8 carb
Engine/s standardGM 350 V-8
Jet pumpAmerican Turbine SD-309
Jet pumpnot available
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Liters234.7
Fuel tank capacity - Liters234.7
Fuel tank capacity - Gal62
Fuel tank capacity - Gal62
Fuel typeGas
Fuel typeGas
Drive typeInboard
Drive typeInboard

Duckworth 21 2010 vs Duckworth Silverwing Inboard 20 ft. 2007 — Common Questions

Which is the larger boat — the Duckworth 21 2010 or the Duckworth Silverwing Inboard 20 ft. 2007?
The Duckworth 21 2010 is the longer of the two at 21,0 feet overall. The Duckworth Silverwing Inboard 20 ft. 2007 comes in at 2,0 feet, making it roughly 19,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
How many people can each boat hold?
The Duckworth 21 2010 is Coast Guard rated for 6 passengers, while the Duckworth Silverwing Inboard 20 ft. 2007 is certified for 6. 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 Duckworth 21 2010 and Duckworth Silverwing Inboard 20 ft. 2007 share an 93.5 in 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 Duckworth 21 2010 and Duckworth Silverwing Inboard 20 ft. 2007?
Both boats carry similar fuel loads — 62 gallons and 62 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Duckworth 21 2010 and Duckworth Silverwing Inboard 20 ft. 2007 from the same manufacturer?
Yes — both the Duckworth 21 2010 and the Duckworth Silverwing Inboard 20 ft. 2007 are built by Duckworth. 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.