Achilles Boats HB-310AX 2020 boat specs
Achilles
Achilles Boats HB-310AX 2020
2020
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VS
Achilles SU-18 Commercial 2012 boat specs
Achilles
Achilles SU-18 Commercial 2012
2012
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Achilles Boats HB-310AX 2020 vs Achilles SU-18 Commercial 2012 — Same Brand, Different Boat

The Achilles Boats HB-310AX 2020 vs Achilles SU-18 Commercial 2012 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 SU-18 Commercial 2012 measures 18,0 feet overall (2012), giving it roughly 7,8 additional feet of deck space compared to the Achilles Boats HB-310AX 2020 at 10,2 feet (2020). Weight tells a clearer story for trailering families: the Achilles SU-18 Commercial 2012 tips the scales at 433 lbs — 286 lbs less than the Achilles Boats HB-310AX 2020 at 147 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.

The Achilles SU-18 Commercial 2012 tops out at 90 hp. Engine specs for the Achilles Boats HB-310AX 2020 aren't listed — confirm with a dealer before selecting an outboard.

For family outings this is probably the sharpest distinction between the two. The Achilles SU-18 Commercial 2012 is rated for 11 passengers, while the Achilles Boats HB-310AX 2020 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Achilles SU-18 Commercial 2012 could be the deciding factor.

The Achilles Boats HB-310AX 2020 is trailerable — a genuine lifestyle advantage at this size. The Achilles SU-18 Commercial 2012 isn't listed as trailerable, which may mean a permanent berth or mooring is required.

The Achilles SU-18 Commercial 2012 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Achilles Boats HB-310AX 2020 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.

Bottom line: Choose the Achilles SU-18 Commercial 2012 if your priority is putting more people on the water — it handles 11 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Achilles Boats HB-310AX 2020 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail10.20 ft
Length overall - Detail18 ft. (549 cm)
Length - Feet10.2
Length - Feet18
Length overall - Meters3.11
Length overall - Meters5.49
Length overall - Inches122
Length overall - Inches216
Beam5.20 ft
Beam7 ft. 7 in. (230 cm) 3 ft. 7 in. (110 cm) inside
Beam - Meters1.58
Beam - Meters2.31
Beam - Inches62
Beam - Inches91
Displacement147.00 lbs
Displacementnot available
Weight - Detailnot available
Weight - Detail433 lbs. (196 kg)
Weight - kgnot available
Weight - kg196.41
Weight - lbs.not available
Weight - lbs.433
Length [deck]not available
Length [deck]12 ft. (366 cm) inside
Operational Info
TrailerableYes
Trailerablenot available
Boat typeUnpowered
Boat typenot available
Maximum capacitynot available
Maximum capacity4,630 lbs. (2,100 kg)
Maximum peoplenot available
Maximum people11
General Boat Info
Makenot available
MakeAchilles
Modelnot available
ModelSU-18 Commercial
Model Yearnot available
Model Year2012
Body / Hull
Hull materialnot available
Hull materialInflatable
Hull typenot available
Hull typeInflatable Non Rigid
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter24 in. (60 cm)
Number of tubesnot available
Number of tubes5 air chambers and keel
Engine and Drivetrain
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Engine maxnot available
Engine max90 hp, long

Achilles Boats HB-310AX 2020 vs Achilles SU-18 Commercial 2012 — Common Questions

Which is the larger boat — the Achilles Boats HB-310AX 2020 or the Achilles SU-18 Commercial 2012?
The Achilles SU-18 Commercial 2012 is the longer of the two at 18,0 feet overall. The Achilles Boats HB-310AX 2020 comes in at 10,2 feet, making it roughly 7,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Achilles Boats HB-310AX 2020 or the Achilles SU-18 Commercial 2012?
For trailering, the Achilles Boats HB-310AX 2020 has the edge at 147 lbs dry weight versus 433 lbs for the Achilles SU-18 Commercial 2012. 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.
What is the maximum horsepower rating for these boats?
The Achilles SU-18 Commercial 2012 has a documented max rating of 90 hp. Engine specifications for the Achilles Boats HB-310AX 2020 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 Achilles Boats HB-310AX 2020 is Coast Guard rated for 3 passengers, while the Achilles SU-18 Commercial 2012 is certified for 11. 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 Achilles SU-18 Commercial 2012 measures 91" wide, compared to 62" for the Achilles Boats HB-310AX 2020. 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 Boats HB-310AX 2020 and Achilles SU-18 Commercial 2012 from the same manufacturer?
Yes — both the Achilles Boats HB-310AX 2020 and the Achilles SU-18 Commercial 2012 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.