Triton Boats 1657 SS 2007 vs Triton Boats TR-186 SC 2006 - Boat Spec Comparison

Q: Which is the larger boat - the Triton Boats 1657 SS 2007 or the Triton Boats TR-186 SC 2006?

The Triton Boats TR-186 SC 2006 is the longer of the two at 18,0 feet overall. The Triton Boats 1657 SS 2007 comes in at 16,0 feet, making it roughly 2,0 ft shorter - a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Triton Boats TR-186 SC 2006 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Triton Boats 1657 SS 2007 tops out at 50 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.

Q: How many people can each boat hold?

The Triton Boats 1657 SS 2007 is Coast Guard rated for 4 passengers, while the Triton Boats TR-186 SC 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: Which boat is wider, and does it affect trailering?

The Triton Boats TR-186 SC 2006 measures 91" wide, compared to 78" for the Triton Boats 1657 SS 2007. The US standard-width towing limit is 8’6" (102") in most states - anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

Q: Which boat has the larger fuel tank - the Triton Boats 1657 SS 2007 or the Triton Boats TR-186 SC 2006?

The Triton Boats TR-186 SC 2006 has the bigger tank at 36 gallons, versus 12 gallons on the Triton Boats 1657 SS 2007. That 24-gallon difference translates to roughly 72–120 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Triton Boats 1657 SS 2007 and Triton Boats TR-186 SC 2006 from the same manufacturer?

Yes - both the Triton Boats 1657 SS 2007 and the Triton Boats TR-186 SC 2006 are built by Triton Boats. 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

Triton Boats 1657 SS 2007 vs Triton Boats TR-186 SC 2006

Triton Boats

Triton Boats 1657 SS 2007

2007

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Triton Boats

Triton Boats TR-186 SC 2006

2006

View full specs →

Detailed Evaluation & Buyer Recommendation

Triton Boats 1657 SS 2007 vs Triton Boats TR-186 SC 2006: Same Brand, Different Boat

The Triton Boats 1657 SS 2007 vs Triton Boats TR-186 SC 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 power gap is worth calling out. Rated to 175 hp, the Triton Boats TR-186 SC 2006 has a 125-hp advantage over the Triton Boats 1657 SS 2007's 50-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Triton Boats TR-186 SC 2006 carries 36 gallons versus 12 gallons in the Triton Boats 1657 SS 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Triton Boats TR-186 SC 2006 is rated for 5 passengers, while the Triton Boats 1657 SS 2007 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats TR-186 SC 2006 could be the deciding factor.

Bottom line: Choose the Triton Boats TR-186 SC 2006 if your priority is putting more people on the water - it handles 5 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Triton Boats 1657 SS 2007 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

MakeTriton Boats

Model1657 SS

ModelTR-186 SC

Model Year2007

Model Year2006

Measurements / Dimensions

Beam78 in.

Beam91 in.

Beam - Meters1.98

Beam - Meters2.31

Beam - Inches78

Beam - Inches91

Depth - Detail22 in.

Depth - Detailnot available

Depth - Centimeters55.88

Depth - Centimetersnot available

Depth - Inches22

Depth - Inchesnot available

Width [transom] - Detail57 in.

Width [transom] - Detailnot available

Height [transom]20 in.

Height [transom]not available

Length - Feet16

Length - Feet18

Length overall - Detail16 ft. 0 in.

Length overall - Detail18 ft. 6 in.

Length overall - Meters4.88

Length overall - Meters5.64

Length overall - Inches192

Length overall - Inches222

Weight - Detailnot available

Weight - Detail1,440 lbs.

Weight - kgnot available

Weight - kg653.17

Weight - lbs.not available

Weight - lbs.1440

Length - Inchesnot available

Length - Inches6

Body / Hull

Hull materialAluminum

Hull materialnot available

Hull thickness100 ga.

Hull thicknessnot available

Engine and Drivetrain

Fuel tank capacity - Detail12 gal.

Fuel tank capacity - Detail36 gal.

Fuel tank capacity - Liters45.42

Fuel tank capacity - Liters136.27

Fuel tank capacity - Gal12

Fuel tank capacity - Gal36

Fuel typeGas

Fuel typenot available

Drive typeOutboard

Engine max50 hp

Engine max175 hp

Operational Info

Maximum people4

Maximum peoplenot available

Trailer Info

Trailer - DetailStandard with single axle

Trailer - Detailnot available

Triton Boats 1657 SS 2007 vs Triton Boats TR-186 SC 2006 - Common Questions

Which is the larger boat - the Triton Boats 1657 SS 2007 or the Triton Boats TR-186 SC 2006?

The Triton Boats TR-186 SC 2006 is the longer of the two at 18,0 feet overall. The Triton Boats 1657 SS 2007 comes in at 16,0 feet, making it roughly 2,0 ft shorter - a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Triton Boats TR-186 SC 2006 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Triton Boats 1657 SS 2007 tops out at 50 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 Triton Boats 1657 SS 2007 is Coast Guard rated for 4 passengers, while the Triton Boats TR-186 SC 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.

Which boat is wider, and does it affect trailering?

The Triton Boats TR-186 SC 2006 measures 91" wide, compared to 78" for the Triton Boats 1657 SS 2007. The US standard-width towing limit is 8’6" (102") in most states - anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

Which boat has the larger fuel tank - the Triton Boats 1657 SS 2007 or the Triton Boats TR-186 SC 2006?

The Triton Boats TR-186 SC 2006 has the bigger tank at 36 gallons, versus 12 gallons on the Triton Boats 1657 SS 2007. That 24-gallon difference translates to roughly 72–120 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Triton Boats 1657 SS 2007 and Triton Boats TR-186 SC 2006 from the same manufacturer?

Yes - both the Triton Boats 1657 SS 2007 and the Triton Boats TR-186 SC 2006 are built by Triton Boats. 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.

← Triton Boats 1657 SS 2007 full specs ← Triton Boats TR-186 SC 2006 full specs