Duckworth 24 Ultra Magnum Inboard Jet 2009 vs Duckworth Magnum Inboard 21 ft. 2007 - Boat Spec Comparison

Q: Which is the larger boat — the Duckworth 24 Ultra Magnum Inboard Jet 2009 or the Duckworth Magnum Inboard 21 ft. 2007?

The Duckworth 24 Ultra Magnum Inboard Jet 2009 is the longer of the two at 24,0 feet overall. The Duckworth Magnum Inboard 21 ft. 2007 comes in at 21,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: How many people can each boat hold?

The Duckworth 24 Ultra Magnum Inboard Jet 2009 is Coast Guard rated for 7 passengers, while the Duckworth Magnum Inboard 21 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.

Q: Do these boats require an oversize trailer permit to tow on US highways?

Both the Duckworth 24 Ultra Magnum Inboard Jet 2009 and Duckworth Magnum Inboard 21 ft. 2007 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.

Q: Which boat has the larger fuel tank — the Duckworth 24 Ultra Magnum Inboard Jet 2009 or the Duckworth Magnum Inboard 21 ft. 2007?

The Duckworth Magnum Inboard 21 ft. 2007 has the bigger tank at 62 gallons, versus 8 gallons on the Duckworth 24 Ultra Magnum Inboard Jet 2009. That 54-gallon difference translates to roughly 162–270 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Duckworth 24 Ultra Magnum Inboard Jet 2009 and Duckworth Magnum Inboard 21 ft. 2007 from the same manufacturer?

Yes — both the Duckworth 24 Ultra Magnum Inboard Jet 2009 and the Duckworth Magnum Inboard 21 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.

Boat Comparison

Duckworth 24 Ultra Magnum Inboard Jet 2009 vs Duckworth Magnum Inboard 21 ft. 2007

Duckworth

Duckworth 24 Ultra Magnum Inboard Jet 2009

2009

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Duckworth

Duckworth Magnum Inboard 21 ft. 2007

2007

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Detailed Evaluation & Buyer Recommendation

Duckworth 24 Ultra Magnum Inboard Jet 2009 vs Duckworth Magnum Inboard 21 ft. 2007 — A Close Look at Two Deep Vees

When two boats share the same hull type — in this case both the Duckworth 24 Ultra Magnum Inboard Jet 2009 and the Duckworth Magnum Inboard 21 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?

For family outings this is probably the sharpest distinction between the two. The Duckworth 24 Ultra Magnum Inboard Jet 2009 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 24 Ultra Magnum Inboard Jet 2009 could be the deciding factor.

Bottom line: Choose the Duckworth 24 Ultra Magnum Inboard Jet 2009 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 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

Model24 Ultra Magnum Inboard Jet

ModelMagnum Inboard 21 ft

Model Year2009

Model Year2007

Measurements / Dimensions

Beam102 in

Beam - Meters2.59

Beam - Inches102

Deadrise12° at transom

Deadrise14℃ at transom

Weight - Detail3,720 lbs

Weight - Detailnot available

Weight - kg1687.36

Weight - kgnot available

Weight - lbs.372

Weight - lbs.not available

Width [transom] - Detail84 in. (5086-H116)

Width [transom] - Detail78 in

Height - Detail36 in. (5052-H32)

Height - Detail36 in

Height - Meters0.91

Height - Inches36

Length - Feet24

Length - Feet21

Length overall - Detail24 ft. 0 in

Length overall - Detail21 ft. 0 in

Length overall - Meters7.32

Length overall - Meters6.4

Length overall - Inches288

Length overall - Inches252

Body / Hull

Hull materialAluminum

Hull typeDeep Vee

Hull typeDeep vee

Hull thicknessnot available

Hull thickness0.125 in

Engine and Drivetrain

Engine/s standardMarine Power 8.1L GM V-8

Engine/s standardGM 350 V-8

ImpellerTurbo

Impellernot available

Jet pumpHamilton 212

Jet pumpnot available

Fuel tank capacity - Detail80 gal

Fuel tank capacity - Detail62 gal

Fuel tank capacity - Liters302.83

Fuel tank capacity - Liters234.7

Fuel tank capacity - Gal8

Fuel tank capacity - Gal62

Fuel typeGas

Drive typeInboard

Duckworth 24 Ultra Magnum Inboard Jet 2009 vs Duckworth Magnum Inboard 21 ft. 2007 — Common Questions

Which is the larger boat — the Duckworth 24 Ultra Magnum Inboard Jet 2009 or the Duckworth Magnum Inboard 21 ft. 2007?

The Duckworth 24 Ultra Magnum Inboard Jet 2009 is the longer of the two at 24,0 feet overall. The Duckworth Magnum Inboard 21 ft. 2007 comes in at 21,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

How many people can each boat hold?

The Duckworth 24 Ultra Magnum Inboard Jet 2009 is Coast Guard rated for 7 passengers, while the Duckworth Magnum Inboard 21 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 24 Ultra Magnum Inboard Jet 2009 and Duckworth Magnum Inboard 21 ft. 2007 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 24 Ultra Magnum Inboard Jet 2009 or the Duckworth Magnum Inboard 21 ft. 2007?

The Duckworth Magnum Inboard 21 ft. 2007 has the bigger tank at 62 gallons, versus 8 gallons on the Duckworth 24 Ultra Magnum Inboard Jet 2009. 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 24 Ultra Magnum Inboard Jet 2009 and Duckworth Magnum Inboard 21 ft. 2007 from the same manufacturer?

Yes — both the Duckworth 24 Ultra Magnum Inboard Jet 2009 and the Duckworth Magnum Inboard 21 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.

← Duckworth 24 Ultra Magnum Inboard Jet 2009 full specs ← Duckworth Magnum Inboard 21 ft. 2007 full specs