Seaswirl 1851 Center Console O/B 2007 vs Seaswirl 1851 Walk Around I/O 2006 - Boat Spec Comparison

Q: Which is the larger boat — the Seaswirl 1851 Center Console O/B 2007 or the Seaswirl 1851 Walk Around I/O 2006?

The Seaswirl 1851 Walk Around I/O 2006 is the longer of the two at 18,0 feet overall. The Seaswirl 1851 Center Console O/B 2007 comes in at 18,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

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

The Seaswirl 1851 Center Console O/B 2007 has a documented max rating of 175 hp. Engine specifications for the Seaswirl 1851 Walk Around I/O 2006 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 Seaswirl 1851 Center Console O/B 2007 is Coast Guard rated for 5 passengers, while the Seaswirl 1851 Walk Around I/O 2006 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.

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

Both the Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006 share an 90 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 Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006?

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 Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 1851 Center Console O/B 2007 and the Seaswirl 1851 Walk Around I/O 2006 are built by Seaswirl. 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

Seaswirl 1851 Center Console O/B 2007 vs Seaswirl 1851 Walk Around I/O 2006

Seaswirl

Seaswirl 1851 Center Console O/B 2007

2007

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Seaswirl

Seaswirl 1851 Walk Around I/O 2006

2006

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Detailed Evaluation & Buyer Recommendation

Seaswirl 1851 Center Console O/B 2007 vs Seaswirl 1851 Walk Around I/O 2006 — Same Brand, Different Boat

The Seaswirl 1851 Center Console O/B 2007 vs Seaswirl 1851 Walk Around I/O 2006 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 Seaswirl 1851 Center Console O/B 2007 carries a rated maximum of 175 hp. Engine data for the Seaswirl 1851 Walk Around I/O 2006 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 62 gal and 62 gal — so range won't be a tiebreaker here.

Both boats are rated for 5 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 Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006 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

MakeSeaswirl

Model1851 Center Console O/B

Model1851 Walk Around I/O

Model Year2007

Model Year2006

Measurements / Dimensions

Beam90 in

Beam90 in. (2.29 m)

Beam - Meters2.29

Beam - Inches9

Bridge clearance - Detail70 in

Bridge clearance - Detailnot available

Bridge clearance - Meters1.78

Bridge clearance - Metersnot available

Bridge clearance - Inches7

Bridge clearance - Inchesnot available

Deadrise20℃

Draft [drive up] - Detail14 in

Draft [drive up] - Detailnot available

Draft [drive up] meters0.36

Draft [drive up] metersnot available

Draft [drive up] inches14

Draft [drive up] inchesnot available

Draft [max] - Detail30 in

Draft [max] - Detailnot available

Draft [max] - Meters0.76

Draft [max] - Metersnot available

Draft [max] - Inches3

Draft [max] - Inchesnot available

Weight - Detail2,450 lbs. w/ standard engine

Weight - Detailnot available

Weight - kg1111.3

Weight - kgnot available

Weight - lbs.245

Weight - lbs.not available

Length - Feet18

Length - Inches6

Length overall - Detail18 ft. 6 in

Length overall - Detail18 ft. 6 in. (5.64 m)

Length overall - Meters5.64

Length overall - Inches222

Length - Metersnot available

Length - Meters5.64

Body / Hull

Hull materialFiberglass

Hull materialnot available

Engine and Drivetrain

Engine/s standardYamaha F115 TXR - 4-stroke

Engine/s standardnot available

Fuel tank capacity - Detail62 gal

Fuel tank capacity - Detail62 gal. (235 l)

Fuel tank capacity - Liters234.7

Fuel tank capacity - Gal62

Fuel typeGas

Drive typeOutboard

Drive typeI/O

Engine max175 hp Standard: 115 hp

Engine maxnot available

Operational Info

Maximum capacity1,900 lbs

Maximum capacitynot available

Seaswirl 1851 Center Console O/B 2007 vs Seaswirl 1851 Walk Around I/O 2006 — Common Questions

Which is the larger boat — the Seaswirl 1851 Center Console O/B 2007 or the Seaswirl 1851 Walk Around I/O 2006?

The Seaswirl 1851 Walk Around I/O 2006 is the longer of the two at 18,0 feet overall. The Seaswirl 1851 Center Console O/B 2007 comes in at 18,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The Seaswirl 1851 Center Console O/B 2007 has a documented max rating of 175 hp. Engine specifications for the Seaswirl 1851 Walk Around I/O 2006 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 Seaswirl 1851 Center Console O/B 2007 is Coast Guard rated for 5 passengers, while the Seaswirl 1851 Walk Around I/O 2006 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 Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006 share an 90 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 Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006?

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 Seaswirl 1851 Center Console O/B 2007 and Seaswirl 1851 Walk Around I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 1851 Center Console O/B 2007 and the Seaswirl 1851 Walk Around I/O 2006 are built by Seaswirl. 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.

← Seaswirl 1851 Center Console O/B 2007 full specs ← Seaswirl 1851 Walk Around I/O 2006 full specs