X-Yachts X-512 Shoal draft Shoal draft 1990 boat specs
X-Yachts
X-Yachts X-512 Shoal draft Shoal draft 1990
1990
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X-Yachts X4-9 Deep draft Deep draft 2018 boat specs
X-Yachts
X-Yachts X4-9 Deep draft Deep draft 2018
2018
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X-Yachts X-512 Shoal draft Shoal draft 1990 vs X-Yachts X4-9 Deep draft Deep draft 2018 — Same Brand, Different Boat

The X-Yachts X-512 Shoal draft Shoal draft 1990 vs X-Yachts X4-9 Deep draft Deep draft 2018 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 — X-Yachts X-512 Shoal draft Shoal draft 1990 at 51,1 ft versus X-Yachts X4-9 Deep draft Deep draft 2018 at 49,6 ft. Weight tells a clearer story for trailering families: the X-Yachts X-512 Shoal draft Shoal draft 1990 tips the scales at 30 111 lbs — 1 671 lbs more than the X-Yachts X4-9 Deep draft Deep draft 2018 at 28 440 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 X-Yachts X-512 Shoal draft Shoal draft 1990 carries a rated maximum of 100 hp. Engine data for the X-Yachts X4-9 Deep draft Deep draft 2018 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the X-Yachts X-512 Shoal draft Shoal draft 1990 carries 85 gallons versus 79 gallons in the X-Yachts X4-9 Deep draft Deep draft 2018. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 15 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.

Both boats sit in a similar displacement bracket — 30 111 lbs for the X-Yachts X-512 Shoal draft Shoal draft 1990 and 28 440 lbs for the X-Yachts X4-9 Deep draft Deep draft 2018. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.

Draft is a practical consideration that many buyers underestimate until they're already at the marina. The X-Yachts X4-9 Deep draft Deep draft 2018 draws 8,1 ft, compared to 6,7 ft for the X-Yachts X-512 Shoal draft Shoal draft 1990. That 1,4-foot difference affects which anchorages you can access, which haul-out facilities will take you, and how carefully you need to read the tide tables in shallower cruising grounds.

The X-Yachts X-512 Shoal draft Shoal draft 1990 uses Sloop rigging. The X-Yachts X-512 Shoal draft Shoal draft 1990 has a documented auxiliary engine of 100 hp.

Hull speed is rated at 8,8 knots for the X-Yachts X4-9 Deep draft Deep draft 2018 and 8,6 knots for the X-Yachts X-512 Shoal draft Shoal draft 1990. For extended cruising, water capacity matters: the X-Yachts X-512 Shoal draft Shoal draft 1990 carries 151 gallons versus 82 gallons on the X-Yachts X4-9 Deep draft Deep draft 2018 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.

Bottom line: The X-Yachts X-512 Shoal draft Shoal draft 1990 and X-Yachts X4-9 Deep draft Deep draft 2018 are closely matched on paper. A sea trial on both in representative conditions is the only reliable way to find which one suits your sailing style, home port, and intended cruising ground.
Measurements / Dimensions
Length overall - Detail51.10 ft
Length overall - Detail49.60 ft
Length - Feet51.1
Length - Feet49.6
Length overall - Meters15.58
Length overall - Meters15.12
Length overall - Inches613
Length overall - Inches595
Beam14.10 ft
Beam14.80 ft
Beam - Meters4.3
Beam - Meters4.51
Beam - Inches169
Beam - Inches178
Draft [max] - Detail6.70 ft
Draft [max] - Detail8.11 ft
Draft [max] - Meters2.04
Draft [max] - Meters2.47
Draft [max] - Inches80
Draft [max] - Inches97
Displacement30111.00 lbs
Displacement28440.00 lbs
Body / Hull
Rudder1 spade rudder
Rudder1 spade rudder
Helm2 wheels
Helm2 wheels
Engine and Drivetrain
Fuel tank capacity - Gal84.5
Fuel tank capacity - Gal79.3
Fuel tank capacity - Liters319.87
Fuel tank capacity - Liters300.18
Horsepower100 hp
Horsepowernot available
Drive typeinboard
Drive typenot available
Engine 2 Horsepowernot available
Engine 2 Horsepower57 hp
Engine 2 Drive Typenot available
Engine 2 Drive Typeinboard
Performance
Maximum speed8.64
Maximum speed8.83
Maximum speed measureknots
Maximum speed measureknots
Operational Info
Water capacity150.6
Water capacity81.9
RiggingSloop
RiggingSloop
Mast ConfigurationKeel stepped mast
Mast ConfigurationKeel stepped mast
Boat typeSail
Boat typeSail

X-Yachts X-512 Shoal draft Shoal draft 1990 vs X-Yachts X4-9 Deep draft Deep draft 2018 — Common Questions

Which is the larger boat — the X-Yachts X-512 Shoal draft Shoal draft 1990 or the X-Yachts X4-9 Deep draft Deep draft 2018?
The X-Yachts X-512 Shoal draft Shoal draft 1990 is the longer of the two at 51,1 feet overall. The X-Yachts X4-9 Deep draft Deep draft 2018 comes in at 49,6 feet, making it roughly 1,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the X-Yachts X-512 Shoal draft Shoal draft 1990 or the X-Yachts X4-9 Deep draft Deep draft 2018?
For trailering, the X-Yachts X4-9 Deep draft Deep draft 2018 has the edge at 28 440 lbs dry weight versus 30 111 lbs for the X-Yachts X-512 Shoal draft Shoal draft 1990. 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 X-Yachts X-512 Shoal draft Shoal draft 1990 has a documented max rating of 100 hp. Engine specifications for the X-Yachts X4-9 Deep draft Deep draft 2018 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 X-Yachts X-512 Shoal draft Shoal draft 1990 is Coast Guard rated for 15 passengers, while the X-Yachts X4-9 Deep draft Deep draft 2018 is certified for 15. 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 deeper draft — the X-Yachts X-512 Shoal draft Shoal draft 1990 or the X-Yachts X4-9 Deep draft Deep draft 2018?
The X-Yachts X4-9 Deep draft Deep draft 2018 has the deeper draft at 8,1 ft, versus 6,7 ft for the X-Yachts X-512 Shoal draft Shoal draft 1990. A deeper draft generally means better upwind performance and stability, but limits access to shallow anchorages and some marina berths. Always check the controlling depth of your home port and favourite cruising grounds before committing.
Is the X-Yachts X-512 Shoal draft Shoal draft 1990 or the X-Yachts X4-9 Deep draft Deep draft 2018 better suited for offshore sailing?
For offshore work, displacement and construction are the primary indicators. The X-Yachts X-512 Shoal draft Shoal draft 1990 at 30 111 lbs displacement is the heavier, more load-carrying design — generally better suited to extended passages where seakeeping and provisioning capacity matter most. The X-Yachts X4-9 Deep draft Deep draft 2018 at 28 440 lbs will typically be livelier and more responsive in lighter conditions.
Which is the faster sailboat — the X-Yachts X-512 Shoal draft Shoal draft 1990 or the X-Yachts X4-9 Deep draft Deep draft 2018?
Based on rated hull speed, the X-Yachts X4-9 Deep draft Deep draft 2018 has an edge at 8,8 knots versus 8,6 knots for the X-Yachts X-512 Shoal draft Shoal draft 1990. Keep in mind that actual sailing speed depends heavily on wind conditions, sail trim, bottom condition, and skipper experience — hull speed is a theoretical maximum, not a guarantee.
Which boat is better equipped for long-distance cruising?
For extended passages, fresh water capacity is a key indicator of cruising readiness. The X-Yachts X-512 Shoal draft Shoal draft 1990 carries 151 gallons of fresh water compared to 82 gallons on the X-Yachts X4-9 Deep draft Deep draft 2018 — a meaningful advantage when watermaker installations or port stops aren't guaranteed.
Which boat is wider, and does it affect trailering?
The X-Yachts X4-9 Deep draft Deep draft 2018 measures 178" wide, compared to 169" for the X-Yachts X-512 Shoal draft Shoal draft 1990. 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.
Which boat has the larger fuel tank — the X-Yachts X-512 Shoal draft Shoal draft 1990 or the X-Yachts X4-9 Deep draft Deep draft 2018?
The X-Yachts X-512 Shoal draft Shoal draft 1990 has the bigger tank at 85 gallons, versus 79 gallons on the X-Yachts X4-9 Deep draft Deep draft 2018. That 5-gallon difference translates to roughly 15–26 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the X-Yachts X-512 Shoal draft Shoal draft 1990 and X-Yachts X4-9 Deep draft Deep draft 2018 from the same manufacturer?
Yes — both the X-Yachts X-512 Shoal draft Shoal draft 1990 and the X-Yachts X4-9 Deep draft Deep draft 2018 are built by X-Yachts. 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.