Alumacraft 1436 Lite 2008 boat specs
Alumacraft
Alumacraft 1436 Lite 2008
2008
View full specs →
VS
Alumacraft Sierra 1236 2012 boat specs
Alumacraft
Alumacraft Sierra 1236 2012
2012
View full specs →

Alumacraft 1436 Lite 2008 vs Alumacraft Sierra 1236 2012 — A Close Look at Two Flats

When two boats share the same hull type — in this case both the Alumacraft 1436 Lite 2008 and the Alumacraft Sierra 1236 2012 are flat designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Alumacraft 1436 Lite 2008 at 14,0 ft versus Alumacraft Sierra 1236 2012 at 12,0 ft. At 135 lbs and 125 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 — 15 hp for the Alumacraft 1436 Lite 2008 and 15 hp for the Alumacraft Sierra 1236 2012. 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 3 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 Alumacraft Sierra 1236 2012 comes in at 8 lbs per hp versus 9 lbs per hp for the Alumacraft 1436 Lite 2008. 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 Alumacraft 1436 Lite 2008 and Alumacraft Sierra 1236 2012 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeAlumacraft
MakeAlumacraft
Model1436 Lite
ModelSierra 1236
Model Year2008
Model Year2012
Measurements / Dimensions
Beam55 in
Beam55 in
Beam - Meters1.4
Beam - Meters1.4
Beam - Inches55
Beam - Inches55
Weight - Detail135 lbs
Weight - Detail125 lbs
Weight - kg61.23
Weight - kg56.7
Weight - lbs.135
Weight - lbs.125
Width [transom] - Detail36 in
Width [transom] - Detailnot available
Height - Detail19 in
Height - DetailSide: 19 in
Height - Meters0.48
Height - Meters0.48
Height - Inches19
Height - Inches19
Height [transom]15 in
Height [transom]15 in
Length - Feet14
Length - Feet12
Length overall - Detail14 ft
Length overall - Detail12 ft
Length overall - Meters4.27
Length overall - Meters3.66
Length overall - Inches168
Length overall - Inches144
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.053 in
Hull thickness0.053 in
Hull typeFlat
Hull typeFlat
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max15 hp
Engine maxnot available
Horsepowernot available
Horsepower15 hp
Operational Info
Maximum capacity625 lbs
Maximum capacity540 lbs
Maximum people3
Maximum people3

Alumacraft 1436 Lite 2008 vs Alumacraft Sierra 1236 2012 — Common Questions

Which is the larger boat — the Alumacraft 1436 Lite 2008 or the Alumacraft Sierra 1236 2012?
The Alumacraft 1436 Lite 2008 is the longer of the two at 14,0 feet overall. The Alumacraft Sierra 1236 2012 comes in at 12,0 feet, making it roughly 2,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Alumacraft 1436 Lite 2008 or the Alumacraft Sierra 1236 2012?
For trailering, the Alumacraft Sierra 1236 2012 has the edge at 125 lbs dry weight versus 135 lbs for the Alumacraft 1436 Lite 2008. 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 Alumacraft 1436 Lite 2008 is Coast Guard rated for 3 passengers, while the Alumacraft Sierra 1236 2012 is certified for 3. 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 Alumacraft Sierra 1236 2012 has a better power-to-weight ratio at 8 lbs per hp compared to 9 lbs per hp for the Alumacraft 1436 Lite 2008. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Alumacraft 1436 Lite 2008 and Alumacraft Sierra 1236 2012 share an 55 in 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 Alumacraft 1436 Lite 2008 and Alumacraft Sierra 1236 2012 from the same manufacturer?
Yes — both the Alumacraft 1436 Lite 2008 and the Alumacraft Sierra 1236 2012 are built by Alumacraft. 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.