Kadey-Krogen 36 Manatee
Built 1984–1992
Own one? Keep her maintenance, manuals and checklists here — free for a week
Shopping? Find the right used boat
Looking at one? Sea-trial scorecard
About the Kadey-Krogen 36 Manatee
Researched from public sources for this model. Any individual boat may have been modified or repowered — confirm before relying on any figure.
- Built
- 1984–1992
- Length
- 36.33 ft
- Waterline
- 34 ft
- Beam
- 13.67 ft
- Draft
- 3.17 ft
- Displacement
- 23,000 lb
- Hull
- fiberglass-cored
- Hull / keel
- full displacement
- Propulsion
- inboard
- Fuel
- 280 gal
- Water
- 300 gal
- Holding
- 30 gal
- Number built
- 99
Tank capacities — where the figures come from
-
Fuel 280 gal
“Fuel....280 gals” — spec database, his.com · “Fuel Tank: 280 Gallons” — search excerpt (1992), tournamentyachtsales.com · “Fuel Tank total: 250 gal” — search excerpt (1986), loopboatsforsale.comAn owner-compiled Krogen FAQ (1998) and most listings give 280; one 1986 listing says 250. No builder document could be checked.
-
Water 300 gal
“Water....300 gals” — spec database, his.com · “Fresh Water Tank: 300 gal” — search excerpt (1986), loopboatsforsale.comFAQ and listings agree.
-
Holding 30 gal
“Holding Tank: 30 gal” — search excerpt (1986), loopboatsforsale.com · “Holding Tank: 30 Gallons” — search excerpt (1992), tournamentyachtsales.comTwo listings agree.
-
Water heater unknown
No builder document, review or listing with a heater size found.
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 unknown
“Yacht Thrusters external 24-volt bow thruster with dedicated AGM batteries” — search excerpt, trawlerforum.comOne boat for sale carries an external (bolt-on) bow thruster, presumably added; it's a single case, and no builder list was found.
-
Steering unknown
No builder, owners' or review source found.
Thrusters and steering are often replaced — check the units on your boat before ordering parts.
Sources disagree on hp (original Volvo) — left blank rather than guessed.
Taiwan-built, fully cored displacement hull with wide beam, deep keel and hard aft chines. Full-width salon with no side decks. Most were single-stateroom; only a handful of two-stateroom boats were built. Single 100 hp Volvo diesel cruises 6-7 knots with about 1,000-1,100 nm range.
Engines fitted
-
Volvo Penta TMD31A (turbo 4-cyl) — 100 hp, diesel, single
standard
HMY's guide gives a single 100 hp Volvo (6-7 kn cruise, ~1,000-1,100 nm); the Krogen owners' FAQ names it as a turbocharged Volvo Penta TMD31A at 100 hp. Soundings describes one owner's boat with an original 90 hp Volvo TAMD31A, so early ratings may have been lower.Sources: hmy.com · his.com · soundingsonline.com
-
Yanmar — 110 hp, diesel, single
factory option
Soundings says later Manatees came with 100 hp Volvos or 110 hp Yanmars.Sources: soundingsonline.com
-
Yanmar 4JH (110 hp) — 110 hp, diesel, single
common repower
A 1985 Manatee listed with a 2018 Yanmar 110 hp repower.Sources: curtisstokes.net
-
Volvo Penta D3-110 — 110 hp, diesel, single
common repower
A 1985 Manatee listed with a newer Volvo Penta D3 110 hp in place of the original engine.Sources: curtisstokes.net
Boats of the same model can differ — check which engines yours actually has before ordering parts.
Generator
“Cashelmara was not equipped with a genset, but he prepped the boat in case future owners wanted it.” — review, soundingsonline.com
Soundings' used-boat article describes one Manatee with no generator (and no original air conditioning), so not every boat had one; one broker listing shows a newer Westerbeke 5.5 kW. No builder option list was found.
Known problems for this model
No well-sourced problem reports found yet.
Engines & parts
Yanmar 4JH series (4JH, 4JH2/3/4, -E, -TE, -HTE) parts: good
Factory common repower engine — you entered “Yanmar 4JH (110 hp)”
Widely used and fully supported by Yanmar dealers and distributors; the mixing elbow is treated as a consumable part.
Parts sources: Mack Boring & Parts (Yanmar distributor), Yanmar USA genuine parts
Common problems (1)
-
Mixing elbow failure exhaust
The exhaust mixing elbow on 4JH engines pits and fails, sometimes within a few hundred hours; owners treat roughly 1000 hours as a practical life and inspect the elbow-to-manifold joint for salt weeping.cruisersforum.com · jeanneau.proboards.com · facebook.com
Maker’s service schedule (18)
| Engine oil & filter change 4JH3E / 4JH3(B)E / 4JH3(C)E | 150 hrs | “4.3.3 Inspection Every 150 hours. Replace the engine oil and the clutch lube oil. After the second oil change, the engin” — manufacturer, catalina380.org |
| Replace engine oil filter 4JH3E / 4JH3(B)E / 4JH3(C)E | 300 hrs | “4.3.4 Inspection Every 300 Hrs. ... (4) Replacing the Engine Oil and Lube Oil Filter (See 4.3.1(1))” — manufacturer, catalina380.org |
| Transmission fluid change 4JH3E / 4JH3(B)E / 4JH3(C)E | 150 hrs | “4.3.3 Inspection Every 150 hours. Replace the engine oil and the clutch lube oil.” — manufacturer, catalina380.org |
| Fuel filters & water separator 4JH3E / 4JH3(B)E / 4JH3(C)E | 300 hrs | “4.3.4 Inspection Every 300 Hrs. (1) Replacing the Fuel Filter” — manufacturer, catalina380.org |
| Drain fuel filter (water/dirt) 4JH3E / 4JH3(B)E / 4JH3(C)E | 50 hrs or 1 mo | “4.3.2 Inspection Every 50 Hours (or Monthly) (1) Draining the Fuel Filter” — manufacturer, catalina380.org |
| Raw-water pump impeller 4JH3E / 4JH3(B)E / 4JH3(C)E | 1,000 hrs | “Note: The impeller must be replaced periodically (every 1000 hrs.).” — manufacturer, catalina380.org |
| Air filter / intake silencer 4JH3E / 4JH3(B)E / 4JH3(C)E | 300 hrs | “4.3.4 Inspection Every 300 Hrs. ... (5) Cleaning the Intake Silencer” — manufacturer, catalina380.org |
| Exhaust mixing elbow inspection 4JH3E / 4JH3(B)E / 4JH3(C)E | 300 hrs | “Every 300 hrs ... Clean the exhaust/water mixing elbow” — manufacturer, catalina380.org |
| Drive belts inspect / replace 4JH3E / 4JH3(B)E / 4JH3(C)E | 300 hrs | “4.3.4 Inspection Every 300 Hrs. ... (2) Adjusting the Tension of the Cooling Water Pump Driving Belt.” — manufacturer, catalina380.org |
| Valve clearance check / adjust 4JH3E / 4JH3(B)E / 4JH3(C)E | 600 hrs | “4.3.5 Inspection Every 600 Hrs. ... (3) Inspection and Adjustment of Intake/Exhaust Valve Clearance.” — manufacturer, catalina380.org |
| Injector test / service 4JH3E / 4JH3(B)E / 4JH3(C)E | 600 hrs | “4.3.5 Inspection Every 600 Hrs. ... (4) Inspecting and Adjusting the Fuel Injection Spray Condition.” — manufacturer, catalina380.org |
| Fuel filters & water separator 4JH2E / 4JH2-TE / 4JH2-HTE / 4JH2-DTE | 300 hrs | “Replace the element every 300 hours of operation.” — manufacturer, mason44.com |
| Replace engine oil filter 4JH2E / 4JH2-TE / 4JH2-HTE / 4JH2-DTE | 300 hrs | “Oil filter replacement period ... Every 300 hours of engine operation” — manufacturer, mason44.com |
| Transmission fluid change 4JH2E / 4JH2-TE / 4JH2-HTE / 4JH2-DTE | 150 hrs | “Change the oil after the first 50 hours of operation, and every 150 hours of operation thereafter.” — manufacturer, mason44.com |
| Air filter / intake silencer 4JH2-TE / 4JH2-HTE / 4JH2-DTE (turbo) | 300 hrs | “Cleaning and Every 300 hours inspection of air filter” — manufacturer, mason44.com |
| Turbocharger inspection 4JH2-TE / 4JH2-HTE / 4JH2-DTE (turbo) | 150 hrs | “Clean the blower: Everv 150 hours” — manufacturer, mason44.com |
| Turbocharger disassembly, cleaning and inspection 4JH2-TE / 4JH2-HTE / 4JH2-DTE (turbo) | 6,000 hrs or 1 yr | “3 months or 6 months or 12 months or 1500 hours 3000 hours 6000 hours ... Disassembly, cleaning and inspection of entire” — manufacturer, mason44.com |
| Thermostat: inspect every 500 h; replace every year or 2000 h 4JH2E / 4JH2-TE / 4JH2-HTE / 4JH2-DTE | 2,000 hrs or 1 yr | “Replace the thermostat every year or 2000 hours of operation (whichever comes first).” — manufacturer, mason44.com |
Service part numbers (11)
| Oil filter | Yanmar 129150-35170 Replaces 129150-35153 |
“129150-35170 Oil Filter” — dealer, oldportmarine.com · “Yanmar Oil Filter 129150-35170 Marine Diesel 4JH 4JHE 4JH3” — dealer, dieselitems.com |
| Fuel filter non-turbo E models (4JHE, 4JH2E, 4JH3E, 4JH4E) |
Yanmar 129470-55810 Replaces 129470-55703 |
“129470-55810 Fuel Filter” — dealer, oldportmarine.com · “It fits Yanmar 3HM35F, 3JH2E, 4JH3, 4JH4-HTE, 4JH4E, 4JHE, 4TNE84T engines. Cross Reference: 129470-55703” — dealer, deltadieselparts.com |
| Fuel filter 4JH4-TE / 4JH4-HTE (2007 on) |
Yanmar 129574-55711 | “Fuel Filter Element 1 129574-55711” — dealer, ellebogen.com · “4JH4-TE/HTE Basic Service Kit ... Fuel filter 129574-55711” — dealer, oldportmarine.com |
| Raw-water impeller JH3 and JH4 generation (4JH3, 4JH4-E, -AE, -TE, -HTE) |
Yanmar 129670-42531 | “Impeller 1 129670-42531 / Impeller Gasket 1 119773-42570” — dealer, ellebogen.com · “Impeller (129670-42531) & O-ring box kit, including face plate screws and lubricant.” — dealer, oldportmarine.com |
| Raw-water impeller earlier 4JH and 4JH2 generation |
Yanmar 129470-42532 | “Impeller 1 129470-42532 / Impeller Gasket 1 24341-000600” — dealer, ellebogen.com · “Replaces: Impeller Numbers 129470-42530 , 129470-42531 , 129470-42532 ... Fits ... 4JHE , 4JH-TE , 4JH2E” — dealer, staycoolpumps.com |
| Drive belt 4JH2E, 4JH3E, 4JH4-AE; 4JH4-TE before July 2006 |
Yanmar 25132-004600 | “Alternator Belt 1 25132-004600” — dealer, ellebogen.com · “25132-004600 Belt” — dealer, oldportmarine.com |
| Drive belt 4JH4-E |
Yanmar 25152-004300 | “Alternator Belt 1 25152-004300” — dealer, ellebogen.com · “25152-004300 Belt” — dealer, oldportmarine.com |
| Drive belt 4JH4-TE from July 2006 to serial E15601 (also 4JH4-HTE per Sea Sierra) |
Yanmar 129671-42280 | “Alternator Belt V-Belt 1 129671-42280 July 2006 > / < E15601” — dealer, ellebogen.com · “Alternator Belt for Yanmar 4JH4-TE and 4JH4-HTE (Replaces 129671-42280E, 129671-42280)” — dealer, seasierra.com |
| Drive belt 4JH4-TE / 4JH4-HTE from serial E15602 (120 A alternator) |
Yanmar 129671-77680 | “Alternator Belt Flat Belt 1 129671-77680 E15602 >” — dealer, ellebogen.com · “129671-77680 Serp Belt starting s/n # E15602” — dealer, oldportmarine.com |
| Air filter all except 4JH4-E |
Yanmar 129470-12330 | “Air Filter Element 1 129470-12330” — dealer, ellebogen.com · “It fits Yanmar 4JH110, 4JH2-TE, 4JH4-HTE, 4JH4-TE, 4JH80, 4JHE engines.” — dealer, deltadieselparts.com |
| Thermostat | Yanmar 129470-49801 | “Thermostat 1 129470-49801 / Thermostat Gasket 1 129795-49551 / 129150-49811” — dealer, ellebogen.com · “compatible with ... 4JH2-E, 4JH2-HTE, 4JH2-TE, ... 4JH3-E, 4JH3-HTE, 4JH3-TE, 4JH4AE, 4JH4-E, 4JH4-TE, ... 4JH-E” — dealer, shop.marinedieselinc.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 (6)
hmy.com · his.com · soundingsonline.com · curtisstokes.net · curtisstokes.net · soundingsonline.com
Own a Kadey-Krogen 36 Manatee? Add her to your boats, then share a photo — names, numbers and faces are blurred before it appears.
Other Kadey-Krogen models
- Kadey-Krogen 39 1998–2008
- Kadey-Krogen 42 1977–1998
- Kadey-Krogen 48 North Sea 1996–2010
Researched from public sources. Spotted an error? The sources are listed above — tell us what they got wrong.