Duckworth 721 2010 vs Duckworth Magnum Inboard 22 ft. 2007 - Boat Spec Comparison

Q: Which is the larger boat — the Duckworth 721 2010 or the Duckworth Magnum Inboard 22 ft. 2007?

The Duckworth Magnum Inboard 22 ft. 2007 is the longer of the two at 22,0 feet overall. The Duckworth 721 2010 comes in at 21,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: What is the maximum horsepower rating for these boats?

The Duckworth 721 2010 has a documented max rating of 200 hp. Engine specifications for the Duckworth Magnum Inboard 22 ft. 2007 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Duckworth 721 2010 is Coast Guard rated for 6 passengers, while the Duckworth Magnum Inboard 22 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 721 2010 and Duckworth Magnum Inboard 22 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 721 2010 or the Duckworth Magnum Inboard 22 ft. 2007?

The Duckworth Magnum Inboard 22 ft. 2007 has the bigger tank at 62 gallons, versus 42 gallons on the Duckworth 721 2010. That 20-gallon difference translates to roughly 60–100 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Duckworth 721 2010 and Duckworth Magnum Inboard 22 ft. 2007 from the same manufacturer?

Yes — both the Duckworth 721 2010 and the Duckworth Magnum Inboard 22 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 721 2010 vs Duckworth Magnum Inboard 22 ft. 2007

Duckworth

Duckworth 721 2010

2010

View full specs →

Duckworth

Duckworth Magnum Inboard 22 ft. 2007

2007

View full specs →

Detailed Evaluation & Buyer Recommendation

Duckworth 721 2010 vs Duckworth Magnum Inboard 22 ft. 2007 — Same Brand, Different Boat

Matching a modified vee Duckworth 721 2010 against a deep vee Duckworth Magnum Inboard 22 ft. 2007 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

The Duckworth 721 2010 carries a rated maximum of 200 hp. Engine data for the Duckworth Magnum Inboard 22 ft. 2007 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Duckworth Magnum Inboard 22 ft. 2007 carries 62 gallons versus 42 gallons in the Duckworth 721 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 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 721 2010 and Duckworth Magnum Inboard 22 ft. 2007 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

MakeDuckworth

Model721

ModelMagnum Inboard 22 ft

Model Year201

Model Year2007

Measurements / Dimensions

Beam102 in

Beam - Meters2.59

Beam - Inches102

DeadriseBow Entry: 13° Forward Entry: 11.5° Transom: 10°

Deadrise14℃ at transom

Weight - Detail1,600 lbs

Weight - Detailnot available

Weight - kg725.75

Weight - kgnot available

Weight - lbs.16

Weight - lbs.not available

Width [transom] - Detail84 x 0.190 in. (with full length Delta Pad)

Width [transom] - Detail78 in

Height - DetailSides: 31 x 0.125 in

Height - Detail36 in

Height - Meters0

Height - Meters0.91

Height - Inches0.125

Height - Inches36

Length - Feet21

Length - Feet22

Length overall - Detail21 ft. 0 in

Length overall - Detail22 ft. 0 in

Length overall - Meters6.4

Length overall - Meters6.71

Length overall - Inches252

Length overall - Inches264

Body / Hull

Hull materialAluminum

Hull typeModified Vee

Hull typeDeep vee

Hull thicknessnot available

Hull thickness0.125 in

Engine and Drivetrain

Fuel tank capacity - Detail42 gal

Fuel tank capacity - Detail62 gal

Fuel tank capacity - Liters158.99

Fuel tank capacity - Liters234.7

Fuel tank capacity - Gal42

Fuel tank capacity - Gal62

Fuel typeGas

Drive typeOutboard

Drive typeInboard

Engine max200 hp

Engine maxnot available

Engine/s standardnot available

Engine/s standardGM 350 V-8

Duckworth 721 2010 vs Duckworth Magnum Inboard 22 ft. 2007 — Common Questions

Which is the larger boat — the Duckworth 721 2010 or the Duckworth Magnum Inboard 22 ft. 2007?

The Duckworth Magnum Inboard 22 ft. 2007 is the longer of the two at 22,0 feet overall. The Duckworth 721 2010 comes in at 21,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The Duckworth 721 2010 has a documented max rating of 200 hp. Engine specifications for the Duckworth Magnum Inboard 22 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 721 2010 is Coast Guard rated for 6 passengers, while the Duckworth Magnum Inboard 22 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 721 2010 and Duckworth Magnum Inboard 22 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 721 2010 or the Duckworth Magnum Inboard 22 ft. 2007?

The Duckworth Magnum Inboard 22 ft. 2007 has the bigger tank at 62 gallons, versus 42 gallons on the Duckworth 721 2010. That 20-gallon difference translates to roughly 60–100 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Duckworth 721 2010 and Duckworth Magnum Inboard 22 ft. 2007 from the same manufacturer?

Yes — both the Duckworth 721 2010 and the Duckworth Magnum Inboard 22 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 721 2010 full specs ← Duckworth Magnum Inboard 22 ft. 2007 full specs