Achilles HB-280DX 2007 boat specs
Achilles
Achilles HB-280DX 2007
2007
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Achilles HB-350DX 2009 boat specs
Achilles
Achilles HB-350DX 2009
2009
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Achilles HB-280DX 2007 vs Achilles HB-350DX 2009 — Same Brand, Different Boat

The Achilles HB-280DX 2007 vs Achilles HB-350DX 2009 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.

On paper these two are close siblings in the size department — Achilles HB-280DX 2007 at 9,0 ft versus Achilles HB-350DX 2009 at 11,5 ft. Weight tells a clearer story for trailering families: the Achilles HB-280DX 2007 tips the scales at 148 lbs — 146 lbs more than the Achilles HB-350DX 2009 at 2 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

Both boats share a closely matched power ceiling — 15 hp for the Achilles HB-280DX 2007 and 30 hp for the Achilles HB-350DX 2009. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.

For family outings this is probably the sharpest distinction between the two. The Achilles HB-350DX 2009 is rated for 6 passengers, while the Achilles HB-280DX 2007 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Achilles HB-350DX 2009 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Achilles HB-350DX 2009 comes in at 0 lbs per hp versus 10 lbs per hp for the Achilles HB-280DX 2007. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: Choose the Achilles HB-350DX 2009 if your priority is putting more people on the water — it handles 6 passengers and at 11,5 ft it has the deck room to back that rating up comfortably. The Achilles HB-280DX 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
MakeAchilles
MakeAchilles
ModelHB-280DX
ModelHB-350DX
Model Year2007
Model Year2009
Measurements / Dimensions
Beam5 ft. 5 in. (166 cm)
Beam5 ft. 9 in. (175 cm) 2 ft. 9 in. (85 cm) inside
Beam - Meters1.65
Beam - Meters1.75
Beam - Inches65
Beam - Inches69
Weight - Detail148 lbs. (67 kg)
Weight - Detail200 lbs. (91 kg)
Weight - kg67.13
Weight - kg90.72
Weight - lbs.148
Weight - lbs.2
Length - Feet9
Length - Feet11.5
Length - Inches2
Length - Inchesnot available
Length overall - Detail9 ft. 2 in. (280 cm)
Length overall - Detail11 ft. 6 in. (350 cm)
Length overall - Meters2.79
Length overall - Meters3.51
Length overall - Inches11
Length overall - Inches138
Pontoon and Inflatable Specific
Tube diameter17 in. (43 cm)
Tube diameter18 in. (45 cm)
Engine and Drivetrain
Drive typeOutboard
Drive typeOutboard
Engine max15 hp
Engine max30 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,035 lbs. (470 kg)
Maximum capacity1,650 lbs. (750 kg)
Maximum people4
Maximum people6
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeInflatable Rigid

Achilles HB-280DX 2007 vs Achilles HB-350DX 2009 — Common Questions

Which is the larger boat — the Achilles HB-280DX 2007 or the Achilles HB-350DX 2009?
The Achilles HB-350DX 2009 is the longer of the two at 11,5 feet overall. The Achilles HB-280DX 2007 comes in at 9,0 feet, making it roughly 2,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Achilles HB-280DX 2007 or the Achilles HB-350DX 2009?
For trailering, the Achilles HB-350DX 2009 has the edge at 2 lbs dry weight versus 148 lbs for the Achilles HB-280DX 2007. 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 Achilles HB-350DX 2009 is rated to a maximum of 30 hp, giving it the larger power ceiling. The Achilles HB-280DX 2007 tops out at 15 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 Achilles HB-280DX 2007 is Coast Guard rated for 4 passengers, while the Achilles HB-350DX 2009 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.
Which boat has the better power-to-weight ratio?
The Achilles HB-350DX 2009 has a better power-to-weight ratio at 0 lbs per hp compared to 10 lbs per hp for the Achilles HB-280DX 2007. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Achilles HB-350DX 2009 measures 69" wide, compared to 65" for the Achilles HB-280DX 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.
Are the Achilles HB-280DX 2007 and Achilles HB-350DX 2009 from the same manufacturer?
Yes — both the Achilles HB-280DX 2007 and the Achilles HB-350DX 2009 are built by Achilles. 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.