Achilles Boats FBR-104 2020 boat specs
Achilles
Achilles Boats FBR-104 2020
2020
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VS
Achilles SPD-310 2010 boat specs
Achilles
Achilles SPD-310 2010
2010
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Achilles Boats FBR-104 2020 vs Achilles SPD-310 2010 — Same Brand, Different Boat

The Achilles Boats FBR-104 2020 vs Achilles SPD-310 2010 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 Boats FBR-104 2020 at 10,4 ft versus Achilles SPD-310 2010 at 10,2 ft. At 108 lbs and 101 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.

The Achilles SPD-310 2010 tops out at 10 hp. Engine specs for the Achilles Boats FBR-104 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 SPD-310 2010 is rated for 4 passengers, while the Achilles Boats FBR-104 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 SPD-310 2010 could be the deciding factor.

The Achilles Boats FBR-104 2020 is trailerable — a genuine lifestyle advantage at this size. The Achilles SPD-310 2010 isn't listed as trailerable, which may mean a permanent berth or mooring is required.

Bottom line: Choose the Achilles SPD-310 2010 if your priority is putting more people on the water — it handles 4 passengers and at 10,2 ft it has the deck room to back that rating up comfortably. The Achilles Boats FBR-104 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 - Detail10.40 ft
Length overall - Detail10 ft. 2 in. (310 cm)
Length - Feet10.4
Length - Feet10.17
Length overall - Meters3.17
Length overall - Meters3.1
Length overall - Inches125
Length overall - Inches122
Beam5.20 ft
Beam5 ft. 2 in. (158 cm) 2 ft. 4 in. (72 cm) inside
Beam - Meters1.58
Beam - Meters1.57
Beam - Inches62
Beam - Inches62
Displacement108.00 lbs
Displacementnot available
Weight - Detailnot available
Weight - Detail101 lbs. (46 kg)
Weight - kgnot available
Weight - kg45.81
Weight - lbs.not available
Weight - lbs.101
Operational Info
TrailerableYes
Trailerablenot available
Boat typeUnpowered
Boat typenot available
Maximum capacitynot available
Maximum capacity1,300 lbs. (590 kg)
Maximum peoplenot available
Maximum people4
General Boat Info
Makenot available
MakeAchilles
Modelnot available
ModelSPD-31
Model Yearnot available
Model Year201
Body / Hull
Hull materialnot available
Hull materialInflatable
Hull typenot available
Hull typeInflatable Non Rigid
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter17 in. (43 cm)
Engine and Drivetrain
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Engine maxnot available
Engine max10 hp

Achilles Boats FBR-104 2020 vs Achilles SPD-310 2010 — Common Questions

Which is the larger boat — the Achilles Boats FBR-104 2020 or the Achilles SPD-310 2010?
The Achilles Boats FBR-104 2020 is the longer of the two at 10,4 feet overall. The Achilles SPD-310 2010 comes in at 10,2 feet, making it roughly 0,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Achilles Boats FBR-104 2020 or the Achilles SPD-310 2010?
For trailering, the Achilles SPD-310 2010 has the edge at 101 lbs dry weight versus 108 lbs for the Achilles Boats FBR-104 2020. 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 SPD-310 2010 has a documented max rating of 10 hp. Engine specifications for the Achilles Boats FBR-104 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 FBR-104 2020 is Coast Guard rated for 3 passengers, while the Achilles SPD-310 2010 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Achilles Boats FBR-104 2020 and Achilles SPD-310 2010 share an 5.20 ft 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.
Are the Achilles Boats FBR-104 2020 and Achilles SPD-310 2010 from the same manufacturer?
Yes — both the Achilles Boats FBR-104 2020 and the Achilles SPD-310 2010 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.