Triton Boats A1236 SFB 2011 boat specs
Triton Boats
Triton Boats A1236 SFB 2011
2011
View full specs →
VS
Triton Boats TR-21X PDC 2005 boat specs
Triton Boats
Triton Boats TR-21X PDC 2005
2005
View full specs →

Triton Boats A1236 SFB 2011 vs Triton Boats TR-21X PDC 2005 — Same Brand, Different Boat

The Triton Boats A1236 SFB 2011 vs Triton Boats TR-21X PDC 2005 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 Triton Boats TR-21X PDC 2005 measures 21,0 feet overall (2005), giving it roughly 9,1 additional feet of deck space compared to the Triton Boats A1236 SFB 2011 at 11,9 feet (2011). Weight tells a clearer story for trailering families: the Triton Boats TR-21X PDC 2005 tips the scales at 175 lbs — 161 lbs less than the Triton Boats A1236 SFB 2011 at 14 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 power gap is worth calling out. Rated to 250 hp, the Triton Boats TR-21X PDC 2005 has a 240-hp advantage over the Triton Boats A1236 SFB 2011's 10-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Triton Boats TR-21X PDC 2005 is rated for 6 passengers, while the Triton Boats A1236 SFB 2011 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats TR-21X PDC 2005 could be the deciding factor.

Bottom line: Choose the Triton Boats TR-21X PDC 2005 if your priority is putting more people on the water — it handles 6 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Triton Boats A1236 SFB 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
MakeTriton Boats
MakeTriton Boats
ModelA1236 SFB
ModelTR-21X PDC
Model Year2011
Model Year2005
Measurements / Dimensions
Beam56 in. (1.42 m)
Beam94 in
Beam - Meters1.42
Beam - Meters2.39
Beam - Inches56
Beam - Inches94
Depth - Detail17 in. (0.43 m)
Depth - Detailnot available
Depth - Centimeters43.18
Depth - Centimetersnot available
Depth - Inches17
Depth - Inchesnot available
Weight - Detail140 lbs. (64 kg)
Weight - Detail1,750 lbs
Weight - kg63.5
Weight - kg793.79
Weight - lbs.14
Weight - lbs.175
Width [transom] - Detail36 in. (0.91 m) bottom
Width [transom] - Detailnot available
Height [transom]15 in. (0.38 m)
Height [transom]not available
Length - Feet11.92
Length - Feet21
Length overall - Detail11 ft. 11 in. (3.63 m)
Length overall - Detail21 ft. 0 in
Length overall - Meters3.63
Length overall - Meters6.4
Length overall - Inches143
Length overall - Inches252
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.050 in. (1.27 mm)
Hull thicknessnot available
Hull typeFlat
Hull typenot available
Engine and Drivetrain
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max10 hp (7.5 kW)
Engine max250 hp
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail54 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters204.41
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal54
Operational Info
Maximum capacity527 lbs. (239 kg)
Maximum capacity775 lbs
Maximum people3 / 325 lbs. (147 kg)
Maximum people6
Trailer Info
Trailer - Length over all18 ft. (5.49 m)
Trailer - Length over allBoat, Motor and Trailer (without Retractable Tongue): 25 ft. 2 in. With Retractable Tongue: 23 ft. 5 in

Triton Boats A1236 SFB 2011 vs Triton Boats TR-21X PDC 2005 — Common Questions

Which is the larger boat — the Triton Boats A1236 SFB 2011 or the Triton Boats TR-21X PDC 2005?
The Triton Boats TR-21X PDC 2005 is the longer of the two at 21,0 feet overall. The Triton Boats A1236 SFB 2011 comes in at 11,9 feet, making it roughly 9,1 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Triton Boats A1236 SFB 2011 or the Triton Boats TR-21X PDC 2005?
For trailering, the Triton Boats A1236 SFB 2011 has the edge at 14 lbs dry weight versus 175 lbs for the Triton Boats TR-21X PDC 2005. 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 Triton Boats TR-21X PDC 2005 is rated to a maximum of 250 hp, giving it the larger power ceiling. The Triton Boats A1236 SFB 2011 tops out at 10 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 A1236 SFB 2011 is Coast Guard rated for 3 passengers, while the Triton Boats TR-21X PDC 2005 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 is wider, and does it affect trailering?
The Triton Boats TR-21X PDC 2005 measures 94" wide, compared to 56" for the Triton Boats A1236 SFB 2011. 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 Triton Boats A1236 SFB 2011 and Triton Boats TR-21X PDC 2005 from the same manufacturer?
Yes — both the Triton Boats A1236 SFB 2011 and the Triton Boats TR-21X PDC 2005 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.