Mercury DR400 2008 boat specs
Mercury
Mercury DR400 2008
2008
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VS
Mercury Heavy Duty Series 2009 boat specs
Mercury
Mercury Heavy Duty Series 2009
2009
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Mercury DR400 2008 vs Mercury Heavy Duty Series 2009 — Same Brand, Different Boat

Matching a inflatable rigid Mercury DR400 2008 against a inflatable non rigid Mercury Heavy Duty Series 2009 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — Mercury DR400 2008 at 13,0 ft versus Mercury Heavy Duty Series 2009 at 12,0 ft. At 313 lbs and 216 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 — 40 hp for the Mercury DR400 2008 and 25 hp for the Mercury Heavy Duty Series 2009. 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 6 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 Mercury DR400 2008 comes in at 8 lbs per hp versus 9 lbs per hp for the Mercury Heavy Duty Series 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 Mercury DR400 2008 and Mercury Heavy Duty Series 2009 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
MakeMercury
MakeMercury
ModelDR4
ModelHeavy Duty Series
Model Year2008
Model Year2009
Measurements / Dimensions
Beam5 ft. 9 in. Inside: 2 ft. 9 in
Beam5 ft. 9 in. (175 cm)
Beam - Meters1.75
Beam - Meters1.75
Beam - Inches69
Beam - Inches69
Weight - Detail313 lbs
Weight - Detail216 lbs
Weight - kg141.97
Weight - kg97.98
Weight - lbs.313
Weight - lbs.216
Length [deck]9 ft. 4 in
Length [deck]not available
Length - Feet13
Length - Feet12
Length - Inches1
Length - Inches6
Length overall - Detail13 ft. 1 in
Length overall - Detail12 ft. 6 in
Length overall - Meters3.99
Length overall - Meters3.81
Length overall - Inches157
Length overall - Inches15
Body / Hull
Hull materialInflatable
Hull materialInflatable
Hull typeInflatable Rigid
Hull typeInflatable Non Rigid
Pontoon and Inflatable Specific
Tube diameter18 in
Tube diameter18 in. (46 cm)
Engine and Drivetrain
Engine/s standard25 hp (18.3 kW) Minimum: 15 hp (9.9 kW)
Engine/s standardnot available
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max40 hp (29.4 kW)
Engine max25 hp
Operational Info
Maximum capacity1,763 lbs
Maximum capacity1,720 lbs. (780 kg)
Maximum people6
Maximum people6

Mercury DR400 2008 vs Mercury Heavy Duty Series 2009 — Common Questions

Which is the larger boat — the Mercury DR400 2008 or the Mercury Heavy Duty Series 2009?
The Mercury DR400 2008 is the longer of the two at 13,0 feet overall. The Mercury Heavy Duty Series 2009 comes in at 12,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Mercury DR400 2008 or the Mercury Heavy Duty Series 2009?
For trailering, the Mercury Heavy Duty Series 2009 has the edge at 216 lbs dry weight versus 313 lbs for the Mercury DR400 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.
Which boat can handle a bigger outboard?
The Mercury DR400 2008 is rated to a maximum of 40 hp, giving it the larger power ceiling. The Mercury Heavy Duty Series 2009 tops out at 25 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 Mercury DR400 2008 is Coast Guard rated for 6 passengers, while the Mercury Heavy Duty Series 2009 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 has the better power-to-weight ratio?
The Mercury DR400 2008 has a better power-to-weight ratio at 8 lbs per hp compared to 9 lbs per hp for the Mercury Heavy Duty Series 2009. 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 Mercury DR400 2008 and Mercury Heavy Duty Series 2009 share an 5 ft. 9 in. Inside: 2 ft. 9 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 Mercury DR400 2008 and Mercury Heavy Duty Series 2009 from the same manufacturer?
Yes — both the Mercury DR400 2008 and the Mercury Heavy Duty Series 2009 are built by Mercury. 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.