Klamath 18 ft. OPW 2008 boat specs
Klamath
Klamath 18 ft. OPW 2008
2008
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VS
Klamath 18 ft. OSCC 2008 boat specs
Klamath
Klamath 18 ft. OSCC 2008
2008
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Klamath 18 ft. OPW 2008 vs Klamath 18 ft. OSCC 2008 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the Klamath 18 ft. OPW 2008 and the Klamath 18 ft. OSCC 2008 are modified vee designs with composite 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 — Klamath 18 ft. OPW 2008 at 18,0 ft versus Klamath 18 ft. OSCC 2008 at 18,0 ft. At 7 lbs and 7 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 — 75 hp for the Klamath 18 ft. OPW 2008 and 75 hp for the Klamath 18 ft. OSCC 2008. 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 carry nearly identical fuel loads — 18 gal and 18 gal — so range won't be a tiebreaker here.

Both boats are rated for 8 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 Klamath 18 ft. OSCC 2008 comes in at 0 lbs per hp versus 0 lbs per hp for the Klamath 18 ft. OPW 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 Klamath 18 ft. OPW 2008 and Klamath 18 ft. OSCC 2008 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
MakeKlamath
MakeKlamath
Model18 ft. OPW
Model18 ft. OSCC
Model Year2008
Model Year2008
Measurements / Dimensions
Beam84 in
Beam84 in
Beam - Meters2.13
Beam - Meters2.13
Beam - Inches84
Beam - Inches84
Deadrise8℃ at transom
Deadrise8℃ at transom
Depth - DetailBow: 45.5 in. Midship: 31 in. Transom: 28.5 in
Depth - DetailBow: 45.5 in. Midship: 31 in. Transom: 28.5 in
Depth - Centimeters116.84
Depth - Centimeters116.84
Depth - Inches45.5
Depth - Inches45.5
Weight - Detail700 lbs
Weight - Detail700 lbs
Weight - kg317.51
Weight - kg317.51
Weight - lbs.7
Weight - lbs.7
Width [transom] - Detail56 in
Width [transom] - Detail56 in
Height [transom]20 in
Height [transom]20 in
Length - Feet18
Length - Feet18
Length - Inches4
Length - Inches4
Length overall - Detail18 ft. 4 in
Length overall - Detail18 ft. 4 in
Length overall - Meters5.59
Length overall - Meters5.59
Length overall - Inches22
Length overall - Inches22
Body / Hull
Hull thicknessSides: 0.063 in. Bottom: 0.100 in
Hull thicknessSides: 0.063 in. Bottom: 0.100 in
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail18 gal
Fuel tank capacity - Detail18 gal
Fuel tank capacity - Liters68.14
Fuel tank capacity - Liters68.14
Fuel tank capacity - Gal18
Fuel tank capacity - Gal18
Drive typeOutboard
Drive typeOutboard
Engine max75 hp
Engine max75 hp
Operational Info
Maximum capacity1,735 lbs
Maximum capacity1,735 lbs
Maximum people8
Maximum people8

Klamath 18 ft. OPW 2008 vs Klamath 18 ft. OSCC 2008 — Common Questions

Which is the larger boat — the Klamath 18 ft. OPW 2008 or the Klamath 18 ft. OSCC 2008?
The Klamath 18 ft. OSCC 2008 is the longer of the two at 18,0 feet overall. The Klamath 18 ft. OPW 2008 comes in at 18,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Klamath 18 ft. OPW 2008 or the Klamath 18 ft. OSCC 2008?
For trailering, the Klamath 18 ft. OSCC 2008 has the edge at 7 lbs dry weight versus 7 lbs for the Klamath 18 ft. OPW 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 Klamath 18 ft. OPW 2008 is Coast Guard rated for 8 passengers, while the Klamath 18 ft. OSCC 2008 is certified for 8. 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 Klamath 18 ft. OSCC 2008 has a better power-to-weight ratio at 0 lbs per hp compared to 0 lbs per hp for the Klamath 18 ft. OPW 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 Klamath 18 ft. OPW 2008 and Klamath 18 ft. OSCC 2008 share an 84 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.
How do the fuel tanks compare on the Klamath 18 ft. OPW 2008 and Klamath 18 ft. OSCC 2008?
Both boats carry similar fuel loads — 18 gallons and 18 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Klamath 18 ft. OPW 2008 and Klamath 18 ft. OSCC 2008 from the same manufacturer?
Yes — both the Klamath 18 ft. OPW 2008 and the Klamath 18 ft. OSCC 2008 are built by Klamath. 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.