Tollycraft 26 Sedan
Built 1973–1987 by Tollycraft Yacht Corp. (Kelso, WA)
About the Tollycraft 26 Sedan
Researched from public sources for this model. Any individual boat may have been modified or repowered — confirm before relying on any figure.
- Built
- 1973–1987
- Builder
- Tollycraft Yacht Corp. (Kelso, WA)
- Length
- 26.67 ft
- Beam
- 10 ft
- Draft
- 2.83 ft
- Displacement
- 9,000 lb
- Hull
- fiberglass
- Hull / keel
- planing
- Propulsion
- inboard
- Fuel
- 140 gal
- Water
- 33 gal
- Holding
- 10 gal
- Water heater
- 12 gal · standard
- Generator
- not fitted
- Bow thruster
- not fitted
- Stern thruster
- not fitted
- Steering
- hydraulic
Tank capacities — where the figures come from
-
Fuel 140 gal
“Fuel Tank Capacity: 140 gal” — broker listing (1979), everettyachts.com · “Fuel Capacity : 100 gal. (2-50's)” — broker listing (1976), tollyclub.comNo builder figure was found. One listing agrees with 140 gal; an owner's sale ad on the Tollycraft club site gives two 50-gal tanks (100 gal) for a 1976 sterndrive boat, so tanks may have differed by year or engine.
-
Water 33 gal
“Water Tank Capacity: 33 gal” — broker listing (1979), everettyachts.com · “Water Capacity: 33 gal.” — broker listing (1976), tollyclub.comTwo listings agree; no builder figure.
-
Holding 10 gal
“9 gallon black water tank (pump out)” — broker listing (1976), tollyclub.comOne owner's ad says 9 gal, close to our earlier figure of 10.
-
Water heater 12 gal · standard
“12 Gallon Hot Water Heater (standard equipment chart, 26' Sedan column: X)” — brochure (1979), mvjollymon.com · “Hot and cold pressure water systems are standard on all Tollys. Every system includes a 12 gallon hot water heater” — brochure (1979), mvjollymon.comThe 1979 Tollycraft line brochure's standard-equipment chart lists a 12 gal heater as standard on every model, including the 26' Sedan; it doesn't say how it's heated (120 V shore power is standard). Only the 1979 brochure was checked for this 1973-1987 model.
Tanks are often replaced or added on older boats — check the tank labels or a survey for yours.
Thrusters and steering — where this comes from
-
Bow thruster not fitted
The builder's 1979 catalog equipment chart (standard and some optional items) has no thruster row for any model, but it says the dealer holds the complete option list, so it doesn't prove none were fitted. Our earlier figure of none is plausible but has no source.
-
Stern thruster not fitted
As with the bow thruster, it's absent from the builder's 1979 chart, which isn't a complete option list.
-
Steering hydraulic
“Steering, Hydraulic - X (standard) in the 26' Sedan column” — brochure (1979), mvjollymon.comThe builder's 1979 catalog, which it calls its largest list of standard equipment, marks hydraulic steering standard on the 26 Sedan (and on every model except the 25 Sedan). No steering maker is named.
Thrusters and steering are often replaced — check the units on your boat before ordering parts.
Tollycraft's best seller (nearly 900 built per PassageMaker). Heavy for size, solid hand-laid fiberglass hull. Very flat 4-deg deadrise aft. Window frames upgraded to anodized aluminum in 1977; teak interior from 1982. Build count (approximate, not stored): PassageMaker: nearly 900 built.
Engines fitted
-
MerCruiser sterndrive (single or twin) — gas, single or twin
factory option
Owners discuss 26s with a single MerCruiser sterndrive (a 1974 boat) and one with twin MerCruiser 181 four-cylinders (repowered 2017); whether sterndrives were a factory option is not confirmed.Sources: trawlerforum.com
-
MerCruiser 350 MPI Horizon / 7.4L MPI gas inboard — 310 hp, gas, single
common repower
Listings show a 1976 boat repowered in 2019 with a 350 MPI Horizon on the V-drive, and a 1973 boat repowered in 2016 with a 310 hp 7.4L MPI. PassageMaker notes a few owners have gone to diesel.Sources: tollyclub.com · thunderbirdyachtsales.com · passagemaker.com
Boats of the same model can differ — check which engines yours actually has before ordering parts.
Generator
not fitted
In the 1979 builder brochure the 12.5 kW diesel generator was standard only on the 48 Motor Yacht and optional on the 40 Tri-Cabin and 37 Convertible Sedan; it wasn't offered on the 26' Sedan that year.
Known problems for this model
-
Top-heavy flybridge hull
HMY warns that seating five on the flybridge puts a lot of weight up high for a 26-footer, a stability concern in a chop.hmy.com
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Aging original gas engines engine
Many Tollycrafts still run original V8 gas engines; some 26s have been repowered with diesels.passagemaker.com
Engines & parts
MerCruiser 5.0 (305) / 5.7 (350) V8 gas parts: good
Factory common repower engine — you entered “MerCruiser 350 MPI Horizon / 7.4L MPI gas inboard”
GM small-block Chevrolet base engines, so internal parts are everywhere. Marine exhaust manifolds and risers for 1983–2002 small blocks are sold by many aftermarket makers (Sierra, Barr, Osco and others) through Power Boat Supply, Hardin Marine, Basic Power Industries and similar stores; Mercury sells genuine parts through dealers.
Parts sources: Power Boat Supply, Hardin Marine, Basic Power Industries
Common problems (2)
-
Manifold/riser failure and water in cylinders exhaust
Cast-iron manifolds and risers rust internally or their gaskets fail, letting water back into the cylinders; small amounts cause hard starting and rough running, large amounts hydrolock and wreck the engine. Service roughly every 7 years in fresh water and about 5 in salt.powerandmotoryacht.com · forums.iboats.com · justanswer.com
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Overheating from scaled manifolds cooling
Rust and scale inside the manifolds restrict cooling flow and cause overheating under load.powerandmotoryacht.com
Maker’s service schedule (8)
| Engine oil & filter change | 100 hrs or 1 yr | “Most four-stroke outboards and sterndrive engines require an oil change either annually or every 100 hours of operation.” — manufacturer, mercurymarine.com |
| Fuel filters & water separator | 100 hrs or 1 yr | “The fuel filter on your engine should be inspected or replaced per the maintenance schedule in your owner's manual, usua” — manufacturer, mercurymarine.com |
| Raw-water pump impeller | 300 hrs or 3 yrs | “How often should my seawater pump impeller be serviced? Every 300 hours or 3 years, whichever comes first.” — manufacturer, mercurymarine.com |
| Spark plugs inspect / replace | 300 hrs or 3 yrs | “How often should spark plugs be changed? Every 300 hours or 3 years, whichever comes first.” — manufacturer, mercurymarine.com |
| Coolant replacement & freeze-point test closed (freshwater) cooling only | 5 yrs | “How often should coolant be changed on engines with closed cooling? Every 5 years.” — manufacturer, mercurymarine.com |
| Transmission fluid change sterndrive gear lube | 1 yr | “Gearcase lubricant in outboard and sterndrive lower units should also be changed annually or at the service interval spe” — manufacturer, mercurymarine.com |
| Lubricate steering linkage and check power-steering fluid sterndrive | 100 hrs or 1 yr | “Mercury Marine recommends lubricating the steering linkage and checking the power steering fluid level in ... MerCruiser” — manufacturer, mercurymarine.com |
| Check power trim fluid level sterndrive | 100 hrs or 1 yr | “Power trim and tilt fluid level should be checked annually or every 100 hours.” — manufacturer, mercurymarine.com |
Service part numbers (6)
| Oil filter | Mercury Quicksilver 35-866340Q03 | “Part number: 866340Q03 ... for MerCruiser sterndrive and inboard engines except V6 engines with the oil filter mounted o” — manufacturer, mercurymarine.com · “Includes: Oil Filter Oil Filter 866340Q03 Fuel Filter 802893Q01 ...” — dealer, midnightmarine.net |
| Fuel filter carbureted engines (Rochester 2-/4-barrel, MerCarb 2-barrel): filter inside carburetor fuel inlet |
Mercury 53336T | “For use on MerCruiser 3.0L, 4.3L, 5.0L , 5.7L and 7.4L engines with Rochester 2- and 4-barrel and MerCarb” — manufacturer, mercurymarine.com |
| Fuel filter MPI engines with Gen III cool fuel module (filter page: 2004 and newer; kit page: 2002 and newer) |
Mercury Quicksilver 35-8M0093688 | “Fits 2004 and newer Mercury/MerCruiser sterndrive and inboard engines with Gen III (3) fuel cooler” — manufacturer, mercurymarine.com |
| Raw-water impeller Bravo sterndrive and inboard engines with engine-mounted sea water pump (2-piece plastic pump per Mercury) |
Mercury Quicksilver 47-59362Q01 Also: Sierra 18-3087 |
“For MerCruiser engines with engine mounted, 2-piece, plastic sea water pumps.” — manufacturer, mercurymarine.com · “Water Pump Impeller 59362Q01” — dealer, midnightmarine.net |
| Thermostat standard cooling, 160 F |
Mercury Quicksilver 807252Q5 | “Thermostat 807252Q5 is for V6 and V8 MerCruiser engines ... made by General Motors (model year 1987-2016)” — manufacturer, mercurymarine.com |
| 100-hour maintenance kit (oil filter, fuel filter, drive seals) MPI engines with Gen III cool fuel module (2002 and newer) |
Mercury 8M0147053 | “Mercury 8M0147053 MerCruiser 5.0L, 5.7L, 6.2L, 8.1L and 8.2L V8 MPI ... 100 Hour Maintenance Kit” — manufacturer, mercurymarine.com |
From the engine maker’s parts lists, or two independent parts dealers. Numbers change with serial number and get superseded — check yours before ordering.
Model sources (8)
hmy.com · passagemaker.com · trawlerforum.com · tollyclub.com · thunderbirdyachtsales.com · everettyachts.com · tollyclub.com · mvjollymon.com
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Other Tollycraft models
- Tollycraft 34 Tri-Cabin 1975–1985
- Tollycraft 40 Sundeck 1985–1994
- Tollycraft 44 / 45 Cockpit Motor Yacht 1986–1996
- Tollycraft 48 Motor Yacht (48 Cockpit MY) 1976–1998
Researched from public sources. Spotted an error? The sources are listed above — tell us what they got wrong.