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Tartan 4100

1996–2003 · designed by Tim Jackett (Tartan Yachts design office) · built by Tartan Yachts (revival entity)

Modern 41 ft offshore cruiser-racer from the revival-era Tartan Yachts under designer Tim Jackett. Mid-size premium production hull positioned above the Tartan 372 in the revival range. Modern hull form, modern cored-deck construction, spade-rudder steering. Designed for serious coastal cruising with offshore capability — popular with US East Coast + Great Lakes owners wanting a step up from the 37-foot size class.

Check this first — three keels were offered — a deep fin, a beavertail moderate-draft, and a shoal centreboard — so draft and displacement both depend on an option the model name does not carry. The centreboard version additionally brings a board, pennant and trunk to inspect that the two fixed keels do not have. Establish which of the three before pricing or comparing.

This is a general read on the Tartan 4100 class — informed background, not a verdict on any individual boat. Condition, refit history, and how a particular hull was sailed and stored matter far more than class reputation. Use it to know what to look for; for a read on a specific listing, run a free FairKeel report on that boat.

We grade that listing's own claims against what's known about the class, and flag the gaps a survey would catch. Free, no account. No listing yet? See what the free report looks like (a real one, anonymised), or search for a Tartan 4100 for sale and come back with the link.

At a glance

Hull form
Fin Keel
Ballast type
Bolt On Lead
Rudder
Spade
Mast step
Keel Stepped
Hull construction
Fiberglass
Production
1996–2003
Built in
USA

What the Tartan 4100 is known for

Known trade-offs

Age-related quirks to expect

Modern cored-deck construction — check core moisture at deck hardware penetrations and chainplate routes severity: Medium affects: all
Original Yanmar 4JH series diesel — modern engines that should still have service life remaining severity: Low affects: 1996-2003
Deep fin, beavertail/moderate draft, and shoal centerboard keel options — confirm draft and displacement before pricing severity: Low affects: all (variant-driven)
Spade-rudder bearing wear — typical 15-20 year service interval; some hulls now due severity: Medium affects: all (age-driven)

Systems to check before you buy

Cored deck + hull penetrations priority: offshore, coastal

Revival-era Tartans used balsa- or foam-cored decks. At 20+ years check moisture at all deck hardware penetrations, chainplate routes, and stanchion bases. NOT the chainplate-corrosion concern of the classic Tartan 37 — modern chainplate routing is different — but core moisture is the comparable inspection priority for this generation.

Spade rudder + bearings priority: offshore, coastal

Spade rudder = less hardware protection than a skeg-hung design. Rudder bearings typically due at 15-20 years for offshore-prep work. Check for play in the rudder stock, water intrusion at the stuffing box, and corrosion at the rudder-post weldments inside the hull.

Standing rigging priority: offshore, coastal

Keel-stepped mast. Original wire + tangs typically due at 20-25 years; hulls from 1995-2003 are at or past the re-rig window. Confirm date of most-recent re-rig.

Engine (Yanmar 4JH series) priority: coastal, offshore

Original Yanmar 4JH-series diesels from this era are reliable and well-supported in the US market. Service-history documentation and recent oil-analysis results are load-bearing — modern Yanmars run a long time with maintenance.

How it fits your plans

Offshore
Capable. Modern Tim Jackett design intended for serious coastal cruising with offshore capability rather than dedicated heavy-weather passages. Spade rudder is the steering vulnerability for offshore use.
Coastal
Excellent. Modern hull form, balanced rig, premium US build quality. Strong choice for East Coast / Great Lakes / Chesapeake cruising at the 41-foot size class.
Liveaboard
Strong for a couple or small family. Modern interior layout, dedicated aft cabin, decent tankage for the size class.
Racing
Designed for cruiser-racer participation. PHRF-friendly performance, competitive in club + regional racing fleets.
Weekending
Overspecced but a forgiving platform.

This guide is the class. A report is that hull. Paste the listing you're looking at and FairKeel grades every claim in it against what's known about the Tartan 4100 — where the evidence is thin, the red flags worth a second look, the costs likely to land in your first season, and whether the boat suits the plans you describe in a few short questions.

It won't read the photos or put a number on the boat — that's the $249 Deep-Dive, and for the real answer, a surveyor. It will tell you when a Deep-Dive isn't worth buying. Free, no account, usually a minute or two.

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Video walkthroughs of the Tartan 4100

Other people's videos, not ours, and not endorsements — walkthroughs and reviews of this class that are worth watching before you look at one in person.

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