Duckworth Pacific Silverwing 20 ft. 2007 boat specs
Duckworth
Duckworth Pacific Silverwing 20 ft. 2007
2007
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VS
Duckworth Ultra Magnum Inboard 24 ft. 2008 boat specs
Duckworth
Duckworth Ultra Magnum Inboard 24 ft. 2008
2008
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Duckworth Pacific Silverwing 20 ft. 2007 vs Duckworth Ultra Magnum Inboard 24 ft. 2008 — Which Deep Vee Fits Your Needs?

When two boats share the same hull type — in this case both the Duckworth Pacific Silverwing 20 ft. 2007 and the Duckworth Ultra Magnum Inboard 24 ft. 2008 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?

For family outings this is probably the sharpest distinction between the two. The Duckworth Ultra Magnum Inboard 24 ft. 2008 is rated for 7 passengers, while the Duckworth Pacific Silverwing 20 ft. 2007 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Duckworth Ultra Magnum Inboard 24 ft. 2008 could be the deciding factor.

Bottom line: Choose the Duckworth Ultra Magnum Inboard 24 ft. 2008 if your priority is putting more people on the water — it handles 7 passengers and at 24,0 ft it has the deck room to back that rating up comfortably. The Duckworth Pacific Silverwing 20 ft. 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeDuckworth
MakeDuckworth
ModelPacific Silverwing 20 ft
ModelUltra Magnum Inboard 24 ft
Model Year2007
Model Year2008
Measurements / Dimensions
Beam93.5 in
Beam102 in
Beam - Meters2.39
Beam - Meters2.59
Beam - Inches93.5
Beam - Inches102
Deadrise18℃ at transom
Deadrise12℃ at transom
Width [transom] - Detail72 in
Width [transom] - Detail84 in. (5086-H116)
Height - Detail32 in
Height - Detail36 in. (5052-H32)
Height - Meters0.81
Height - Meters0.91
Height - Inches32
Height - Inches36
Length - Feet2
Length - Feet24
Length overall - Detail20 ft. 0 in
Length overall - Detail24 ft
Length overall - Meters6.1
Length overall - Meters7.32
Length overall - Inches24
Length overall - Inches288
Weight - Detailnot available
Weight - Detail3,720 lbs
Weight - kgnot available
Weight - kg1687.36
Weight - lbs.not available
Weight - lbs.372
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.125 in
Hull thickness0.125 in
Hull typeDeep vee
Hull typeDeep vee
Engine and Drivetrain
Engine/s standardGM 350 V-8
Engine/s standardMarine Power 8.1 l GM V-8
Fuel tank capacity - Detail62 gal
Fuel tank capacity - Detail80 gal
Fuel tank capacity - Liters234.7
Fuel tank capacity - Liters302.83
Fuel tank capacity - Gal62
Fuel tank capacity - Gal8
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeInboard

Duckworth Pacific Silverwing 20 ft. 2007 vs Duckworth Ultra Magnum Inboard 24 ft. 2008 — Common Questions

Which is the larger boat — the Duckworth Pacific Silverwing 20 ft. 2007 or the Duckworth Ultra Magnum Inboard 24 ft. 2008?
The Duckworth Ultra Magnum Inboard 24 ft. 2008 is the longer of the two at 24,0 feet overall. The Duckworth Pacific Silverwing 20 ft. 2007 comes in at 2,0 feet, making it roughly 22,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
How many people can each boat hold?
The Duckworth Pacific Silverwing 20 ft. 2007 is Coast Guard rated for 6 passengers, while the Duckworth Ultra Magnum Inboard 24 ft. 2008 is certified for 7. 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.
Which boat is wider, and does it affect trailering?
The Duckworth Ultra Magnum Inboard 24 ft. 2008 measures 102" wide, compared to 94" for the Duckworth Pacific Silverwing 20 ft. 2007. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank — the Duckworth Pacific Silverwing 20 ft. 2007 or the Duckworth Ultra Magnum Inboard 24 ft. 2008?
The Duckworth Pacific Silverwing 20 ft. 2007 has the bigger tank at 62 gallons, versus 8 gallons on the Duckworth Ultra Magnum Inboard 24 ft. 2008. That 54-gallon difference translates to roughly 162–270 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Duckworth Pacific Silverwing 20 ft. 2007 and Duckworth Ultra Magnum Inboard 24 ft. 2008 from the same manufacturer?
Yes — both the Duckworth Pacific Silverwing 20 ft. 2007 and the Duckworth Ultra Magnum Inboard 24 ft. 2008 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.