Duracraft 18 Tunnel Flats 2005 boat specs
Duracraft
Duracraft 18 Tunnel Flats 2005
2005
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VS
Duracraft 1874 BSBAY 2005 boat specs
Duracraft
Duracraft 1874 BSBAY 2005
2005
View full specs →

Duracraft 18 Tunnel Flats 2005 vs Duracraft 1874 BSBAY 2005 — Same Brand, Different Boat

The Duracraft 18 Tunnel Flats 2005 vs Duracraft 1874 BSBAY 2005 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

The power gap is worth calling out. Rated to 120 hp, the Duracraft 1874 BSBAY 2005 has a 30-hp advantage over the Duracraft 18 Tunnel Flats 2005's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Duracraft 1874 BSBAY 2005 is rated for 5 passengers, while the Duracraft 18 Tunnel Flats 2005 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Duracraft 1874 BSBAY 2005 could be the deciding factor.

Bottom line: Choose the Duracraft 1874 BSBAY 2005 if your priority is putting more people on the water — it handles 5 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Duracraft 18 Tunnel Flats 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.
General Boat Info
MakeDuracraft
MakeDuracraft
Model18 Tunnel Flats
Model1874 BSBAY
Model Year2005
Model Year2005
Measurements / Dimensions
Beam94 in
Beam94 in
Beam - Meters2.39
Beam - Meters2.39
Beam - Inches94
Beam - Inches94
Weight - Detail1,000 lbs
Weight - Detail1,111 lbs
Weight - kg453.59
Weight - kg503.94
Weight - lbs.1
Weight - lbs.1111
Height - DetailSide - 22 in
Height - DetailSide - 24 in
Height - Meters0.56
Height - Meters0.61
Height - Inches22
Height - Inches24
Length overall - Detail18 ft. 0 in
Length overall - Detail18 ft. 0 in
Length overall - Meters5.49
Length overall - Meters5.49
Length overall - Inches216
Length overall - Inches216
Body / Hull
Hull materialAluminum
Hull materialAluminum
Engine and Drivetrain
Engine max90 HP
Engine max120 HP
Operational Info
Maximum people4 Persons
Maximum people5 Persons

Duracraft 18 Tunnel Flats 2005 vs Duracraft 1874 BSBAY 2005 — Common Questions

Which is easier to trailer — the Duracraft 18 Tunnel Flats 2005 or the Duracraft 1874 BSBAY 2005?
For trailering, the Duracraft 18 Tunnel Flats 2005 has the edge at 1 lbs dry weight versus 1 111 lbs for the Duracraft 1874 BSBAY 2005. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Duracraft 1874 BSBAY 2005 is rated to a maximum of 120 hp, giving it the larger power ceiling. The Duracraft 18 Tunnel Flats 2005 tops out at 90 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Duracraft 18 Tunnel Flats 2005 is Coast Guard rated for 4 passengers, while the Duracraft 1874 BSBAY 2005 is certified for 5. 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 Duracraft 18 Tunnel Flats 2005 and Duracraft 1874 BSBAY 2005 share an 94 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.
Are the Duracraft 18 Tunnel Flats 2005 and Duracraft 1874 BSBAY 2005 from the same manufacturer?
Yes — both the Duracraft 18 Tunnel Flats 2005 and the Duracraft 1874 BSBAY 2005 are built by Duracraft. 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.