Duckworth Magnum Inboard 21 ft. 2007 vs Duckworth Pacific Navigator 255 2009 - Boat Spec Comparison

Q: Which is the larger boat — the Duckworth Magnum Inboard 21 ft. 2007 or the Duckworth Pacific Navigator 255 2009?

The Duckworth Pacific Navigator 255 2009 is the longer of the two at 25,5 feet overall. The Duckworth Magnum Inboard 21 ft. 2007 comes in at 21,0 feet, making it roughly 4,5 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 Pacific Navigator 255 2009 has a documented max rating of 500 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.

Q: How many people can each boat hold?

The Duckworth Magnum Inboard 21 ft. 2007 is Coast Guard rated for 6 passengers, while the Duckworth Pacific Navigator 255 2009 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.

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

Both the Duckworth Magnum Inboard 21 ft. 2007 and Duckworth Pacific Navigator 255 2009 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: How do the fuel tanks compare on the Duckworth Magnum Inboard 21 ft. 2007 and Duckworth Pacific Navigator 255 2009?

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.

Q: Are the Duckworth Magnum Inboard 21 ft. 2007 and Duckworth Pacific Navigator 255 2009 from the same manufacturer?

Yes — both the Duckworth Magnum Inboard 21 ft. 2007 and the Duckworth Pacific Navigator 255 2009 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 Magnum Inboard 21 ft. 2007 vs Duckworth Pacific Navigator 255 2009

Duckworth

Duckworth Magnum Inboard 21 ft. 2007

2007

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Duckworth

Duckworth Pacific Navigator 255 2009

2009

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Detailed Evaluation & Buyer Recommendation

Duckworth Magnum Inboard 21 ft. 2007 vs Duckworth Pacific Navigator 255 2009 — Which Deep Vee Fits Your Needs?

When two boats share the same hull type — in this case both the Duckworth Magnum Inboard 21 ft. 2007 and the Duckworth Pacific Navigator 255 2009 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?

The Duckworth Pacific Navigator 255 2009 tops out at 500 hp. Engine specs for the Duckworth Magnum Inboard 21 ft. 2007 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 62 gal and 62 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Duckworth Pacific Navigator 255 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 Pacific Navigator 255 2009 could be the deciding factor.

Bottom line: Choose the Duckworth Pacific Navigator 255 2009 if your priority is putting more people on the water — it handles 7 passengers and at 25,5 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

ModelMagnum Inboard 21 ft

ModelPacific Navigator 255

Model Year2007

Model Year2009

Measurements / Dimensions

Beam102 in

Beam - Meters2.59

Beam - Inches102

Deadrise14℃ at transom

Deadrise28℃ bow variable to 18℃ at transom

Width [transom] - Detail78 in

Width [transom] - Detail84 in. (5052-H34)

Height - Detail36 in

Height - Detail36 in. (5052-H32)

Height - Meters0.91

Height - Inches36

Length - Feet21

Length - Feet25.5

Length overall - Detail21 ft. 0 in

Length overall - Detail25 ft. 6 in

Length overall - Meters6.4

Length overall - Meters7.77

Length overall - Inches252

Length overall - Inches306

Weight - Detailnot available

Weight - Detail2,720 lbs

Weight - kgnot available

Weight - kg1233.77

Weight - lbs.not available

Weight - lbs.272

Body / Hull

Hull materialAluminum

Hull thickness0.125 in

Hull thicknessnot available

Hull typeDeep vee

Hull typeDeep Vee

Engine and Drivetrain

Engine/s standardGM 350 V-8

Engine/s standard25 in. Shaft Motors only

Fuel tank capacity - Detail62 gal

Fuel tank capacity - Liters234.7

Fuel tank capacity - Gal62

Fuel typeGas

Drive typeInboard

Drive typeOutboard

Horsepowernot available

Horsepower500 hp

Duckworth Magnum Inboard 21 ft. 2007 vs Duckworth Pacific Navigator 255 2009 — Common Questions

Which is the larger boat — the Duckworth Magnum Inboard 21 ft. 2007 or the Duckworth Pacific Navigator 255 2009?

The Duckworth Pacific Navigator 255 2009 is the longer of the two at 25,5 feet overall. The Duckworth Magnum Inboard 21 ft. 2007 comes in at 21,0 feet, making it roughly 4,5 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The Duckworth Pacific Navigator 255 2009 has a documented max rating of 500 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 Pacific Navigator 255 2009 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 Pacific Navigator 255 2009 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.

How do the fuel tanks compare on the Duckworth Magnum Inboard 21 ft. 2007 and Duckworth Pacific Navigator 255 2009?

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 Magnum Inboard 21 ft. 2007 and Duckworth Pacific Navigator 255 2009 from the same manufacturer?

Yes — both the Duckworth Magnum Inboard 21 ft. 2007 and the Duckworth Pacific Navigator 255 2009 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 Magnum Inboard 21 ft. 2007 full specs ← Duckworth Pacific Navigator 255 2009 full specs