Duckworth Magnum Inboard 21 ft. 2007 boat specs
Duckworth
Duckworth Magnum Inboard 21 ft. 2007
2007
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VS
Duckworth Offshore 24 2013 boat specs
Duckworth
Duckworth Offshore 24 2013
2013
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Duckworth Magnum Inboard 21 ft. 2007 vs Duckworth Offshore 24 2013: Which Deep-V Boat Fits Your Needs?

Both the Duckworth Magnum Inboard 21 ft. 2007 and the Duckworth Offshore 24 2013 are deep-V designs, both built in aluminium, so 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?

The Duckworth Offshore 24 2013 tops out at 450 hp. Engine specs for the Duckworth Magnum Inboard 21 ft. 2007 aren't listed - confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Duckworth Offshore 24 2013 carries 130 gallons versus 62 gallons in the Duckworth Magnum Inboard 21 ft. 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Duckworth Offshore 24 2013 is rated for 7 passengers, while the Duckworth Magnum Inboard 21 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 Offshore 24 2013 could be the deciding factor.

Bottom line: Choose the Duckworth Offshore 24 2013 if your priority is putting more people on the water - it handles 7 passengers and at 26,0 ft it has the deck room to back that rating up comfortably. The Duckworth Magnum Inboard 21 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
ModelMagnum Inboard 21 ft.
ModelOffshore 24
Model Year2007
Model Year2013
Measurements / Dimensions
Beam102 in.
Beam102 in.
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Deadrise14℃ at transom
DeadriseBow: 60° Transom: 20°
Width [transom] - Detail78 in.
Width [transom] - Detail96 in.
Height - Detail36 in.
Height - DetailSides: 40 in.
Height - Meters0.91
Height - Meters1.02
Height - Inches36
Height - Inches40
Length - Feet21
Length - Feet26
Length overall - Detail21 ft. 0 in.
Length overall - Detail26 ft. (including bracket)
Length overall - Meters6.4
Length overall - Meters7.92
Length overall - Inches252
Length overall - Inches312
Weight - Detailnot available
Weight - Detail4,400 lbs.
Weight - kgnot available
Weight - kg1995.8
Weight - lbs.not available
Weight - lbs.4400
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.125 in.
Hull thicknessBeam: 0.190 in. 5086-H116 Bottom (with reverse chine): 0.250 in. 5086-H116 Sides: 0.160 in. 5086-H116
Hull typeDeep vee
Hull typeDeep Vee
Engine and Drivetrain
Engine/s standardGM 350 V-8
Engine/s standardnot available
Fuel tank capacity - Detail62 gal.
Fuel tank capacity - Detail130 gal.
Fuel tank capacity - Liters234.7
Fuel tank capacity - Liters492.1
Fuel tank capacity - Gal62
Fuel tank capacity - Gal130
Fuel typeGas
Fuel typeGas
Drive typeInboard
Drive typeOutboard
Horsepowernot available
HorsepowerMaximum: 450 hp

Duckworth Magnum Inboard 21 ft. 2007 vs Duckworth Offshore 24 2013 - Common Questions

Which is the larger boat - the Duckworth Magnum Inboard 21 ft. 2007 or the Duckworth Offshore 24 2013?
The Duckworth Offshore 24 2013 is the longer of the two at 26,0 feet overall. The Duckworth Magnum Inboard 21 ft. 2007 comes in at 21,0 feet, making it roughly 5,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Duckworth Offshore 24 2013 has a documented max rating of 450 hp. Engine specifications for the Duckworth Magnum Inboard 21 ft. 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 Duckworth Magnum Inboard 21 ft. 2007 is Coast Guard rated for 6 passengers, while the Duckworth Offshore 24 2013 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Duckworth Magnum Inboard 21 ft. 2007 and Duckworth Offshore 24 2013 share an 102 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.
Which boat has the larger fuel tank - the Duckworth Magnum Inboard 21 ft. 2007 or the Duckworth Offshore 24 2013?
The Duckworth Offshore 24 2013 has the bigger tank at 130 gallons, versus 62 gallons on the Duckworth Magnum Inboard 21 ft. 2007. That 68-gallon difference translates to roughly 204–340 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Duckworth Magnum Inboard 21 ft. 2007 and Duckworth Offshore 24 2013 from the same manufacturer?
Yes - both the Duckworth Magnum Inboard 21 ft. 2007 and the Duckworth Offshore 24 2013 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.