Achilles HB-280LX 2009 boat specs
Achilles
Achilles HB-280LX 2009
2009
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VS
Achilles HB-310 2007 boat specs
Achilles
Achilles HB-310 2007
2007
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Achilles HB-280LX 2009 vs Achilles HB-310 2007 — Same Brand, Different Boat

The Achilles HB-280LX 2009 vs Achilles HB-310 2007 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.

Size is the most obvious dividing line here. The Achilles HB-280LX 2009 measures 9,2 feet overall (2009), giving it roughly 8,2 additional feet of deck space compared to the Achilles HB-310 2007 at 1,0 feet (2007). At 118 lbs and 127 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

Both boats share a closely matched power ceiling — 10 hp for the Achilles HB-280LX 2009 and 15 hp for the Achilles HB-310 2007. 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.

Both boats are rated for 4 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.

At this size, power-to-weight ratio matters more than outright horsepower. The Achilles HB-310 2007 comes in at 9 lbs per hp versus 12 lbs per hp for the Achilles HB-280LX 2009. 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: The Achilles HB-280LX 2009 at 9,2 ft is the right call if deck space, comfort, and entertaining are top of your list. The Achilles HB-310 2007 at 1,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeAchilles
MakeAchilles
ModelHB-280LX
ModelHB-31
Model Year2009
Model Year2007
Measurements / Dimensions
Beam5 ft. 5 in. (166 cm) 2 ft. 7 in. (80 cm) inside
Beam5 ft. 4 in. (163 cm)
Beam - Meters1.65
Beam - Meters1.63
Beam - Inches65
Beam - Inches64
Weight - Detail118 lbs. (53.5 kg)
Weight - Detail127 lbs. (57.5 kg)
Weight - kg53.52
Weight - kg57.61
Weight - lbs.118
Weight - lbs.127
Length - Feet9.17
Length - Feet1
Length overall - Detail9 ft. 2 in. (280 cm)
Length overall - Detail10 ft. 2 in. (310 cm)
Length overall - Meters2.79
Length overall - Meters3.1
Length overall - Inches11
Length overall - Inches122
Length - Inchesnot available
Length - Inches2
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeInflatable Rigid
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter17 in. (43 cm)
Tube diameter17 in. (43 cm)
Engine and Drivetrain
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeOutboard
Engine max10 hp
Engine max15 hp
Operational Info
Maximum capacity1,210 lbs. (550 kg)
Maximum capacity880 lbs. (400 kg)
Maximum people4
Maximum people4

Achilles HB-280LX 2009 vs Achilles HB-310 2007 — Common Questions

Which is the larger boat — the Achilles HB-280LX 2009 or the Achilles HB-310 2007?
The Achilles HB-280LX 2009 is the longer of the two at 9,2 feet overall. The Achilles HB-310 2007 comes in at 1,0 feet, making it roughly 8,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Achilles HB-280LX 2009 or the Achilles HB-310 2007?
For trailering, the Achilles HB-280LX 2009 has the edge at 118 lbs dry weight versus 127 lbs for the Achilles HB-310 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.
How many people can each boat hold?
The Achilles HB-280LX 2009 is Coast Guard rated for 4 passengers, while the Achilles HB-310 2007 is certified for 4. 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-310 2007 has a better power-to-weight ratio at 9 lbs per hp compared to 12 lbs per hp for the Achilles HB-280LX 2009. 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-280LX 2009 measures 65" wide, compared to 64" for the Achilles HB-310 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-280LX 2009 and Achilles HB-310 2007 from the same manufacturer?
Yes — both the Achilles HB-280LX 2009 and the Achilles HB-310 2007 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.