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Volvo Penta MD11C

  • Diesel
  • 1975–1984 (MD11/MD17 family)

Engine data

Specifications for Volvo Penta MD11C
Model years1975–1984 (MD11/MD17 family)
FuelDiesel
TypeInboard
DriveReverse gear or 110S saildrive

Autumn and spring plan for Volvo Penta MD11C

Here's what to do when hauling out and launching. Always follow the instruction book for your engine.

Autumn

  • Change the engine oilOil filter 22057107 · 2.85 l API CD (DS); SAE 20W-30 above +10 °C, SAE 10W below +10 °C · First change after 20 h; the oil filter is replaced at every second oil change. · every 50 hoursBuy: Marinshopen · Benns
  • Change the reverse gear oilevery 50 hours
  • Check and adjust the valve clearanceTo be carried out by an authorised workshop. · every 50 hours
  • Change the oil filterOil filter 22057107 · 2.85 l API CD (DS); SAE 20W-30 above +10 °C, SAE 10W below +10 °C · every 100 hours or annuallyBuy: Marinshopen · Benns
  • Clean the air filterevery 100 hours or annually
  • Replace the fuel filter and water separatorFuel filter (fine) 829913 · Fill the tank to reduce condensation.Buy: Marinshopen · Watski
  • Remove the impeller and store it dryImpeller kit 21951342Buy: Marinshopen · Benns
  • Winterise the raw water systemLet the engine draw in antifreeze until it comes out of the exhaust, or drain the system as described in the owner's manual.

Spring

  • Check the alternator belt and replace if necessaryevery 100 hours or annually
  • Re-torque the cylinder head boltsevery 100 hours or annually
  • Check the cooling systemevery 100 hours or annually
  • Check the electrical system and fusesevery 100 hours or annually
  • Fit the impellerImpeller kit 21951342 · Replace it if it is stiff or cracked.Buy: Marinshopen · Benns
  • Check belts, hoses, oil level and coolant
  • Check through-hulls, seacocks and hose clamps
  • Charge and connect the batteries, clean the terminals
Add to calendarTick off in the service bookTwo reminders a year: in April and in October.

Email me the plan

Service data

Engine oil

Specification
API CD (DS); SAE 20W-30 above +10 °C, SAE 10W below +10 °C
Volume
2.6 l
Capacity including filter
2.85 l
Note
Engine installed level (no inclination); with RB reverse gear add approx. 0.4 l.

Valve clearance

Intake
0.3 mm
Exhaust
0.35 mm
Measurement ratio
warm engine

Thermostat & RPM

Thermostat
60 °C
Note
Starts to open at 60 °C, fully open at 74 °C (HDHE engine: 74/89 °C).
Idle
750–810 rpm
Max RPM
2700–2800 (högvarv obelastad) rpm

Tightening torque

Cylinder head nuts
30 / 80 / 110 Nm · steps
Big-end bearing
65 Nm
Flywheel nut
500 Nm
Injector
20 Nm

Good to know

Troubleshooting

Troubleshooting by symptom

Manuals

Spare parts

Spare parts for Volvo Penta MD11C
PartPart numberNoteSource
Impeller kit219513421 pcsBuy (6)Alternatives: 5replaces 3586496Volvo Penta Shop – 21951342 (external link)
FYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Oil filter8343371 pcsBuy (7)Alternatives: 1older number, superseded by 22057107Volvo Penta Shop – 834337 (external link)
Fuel filter (fine)8299131 pcsBuy (4)Alternatives: 1listed as 'filter' in the VP catalog; replaces 877195Volvo Penta Shop – 829913 (external link)
Sacrificial anode 110S saildrive (lower gear housing)8758121 pcsBuy (4)Alternatives: 1if the engine has a 110S saildrive; replaces 850073Volvo Penta Shop – 875812 (external link)
FYB Marine – 110S saildrive zinc ring anode (fybmarine.shop)
Oil filter220571071 pcsBuy (7)Alternatives: 1current number; replaces 834337FYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Volvo Penta Shop – 22057107 (external link)
Fuel filter (fine)214927711 pcsBuy (6)FYB: 'MD1 to MD22 series'; the Volvo Penta catalog lists 829913FYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Alternator belt9669311 pcsBuy (2)MD11C, MD11DFYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Alternator belt9669421 pcsBuy (2)MD11C, MD11D (option)FYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Thermostat8773491 pcsBuy (1)Alternatives: 1MD11C, MD11D; replaces 875784FYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Volvo Penta Shop – 877349 (external link)
Thermostat8760801 pcsBuy (1)Alternatives: 8MD2, MD11C, MD11D (alternative); supersedes 807180, 833283, 833366, 858640, 875781, 876097FYB Marine (Volvo Penta dealer) – MD11C service parts (fybmarine.shop)
Volvo Penta Shop – 876080 (external link)
Impeller kit222229361 pcsBuy (6)Alternatives: 8alternative depending on raw-water pump; replaces 3593659, 21951344Volvo Penta Shop – 22222936 (external link)

Exploded views & parts catalogs

  • Shop
    Parts catalog (exploded diagrams) (legacy.marinepartsexpress.com)
    EN · HTML
  • Shop
    Marine Parts Express – exploded views, Volvo Penta diesel (legacy.marinepartsexpress.com)

    Spare parts diagrams by engine model, free to browse.

  • Shop
    Marine-diesel-engine-manuals.com: Volvo Penta (external link)

    Workshop and instruction manuals for AQ, GL/GXi and drives. Some pages can be previewed for free; the full manual must be purchased.

Parts shared with

  • MD17C 8 shared part numbers
  • 2001 5 shared part numbers
  • 2002 5 shared part numbers
  • 2003 5 shared part numbers
  • MD5A 5 shared part numbers
  • MD7A 5 shared part numbers

Listings for MD11C

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Boats with MD11C

1 boat model · A used boat may have had its engine replaced.

Hallberg-Rassy Monsun 31

Owners' experiences

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Related models

MD1

Inboard

Diesel

MD1B

Inboard

Diesel

MD2

Inboard

Diesel

MD2B

Inboard

Diesel

Service guides

Replacing the impeller →Winterize a boat engine →Find the engine number →

Frequently asked questions about MD11C

How much oil does the MD11C take?

MD11C takes about 2.85 litres of engine oil including the filter. Engine installed level (no inclination); with RB reverse gear add approx. 0.4 l.

What is the valve clearance on the MD11C?

Intake 0.3 mm and exhaust 0.35 mm, warm engine.

Where can I find the owner's manual for MD11C?

Links to owner's manuals and workshop manuals are available under Manuals.

What fuel does the MD11C use?

Volvo Penta MD11C runs on diesel.

Which impeller fits the MD11C?

Part number 21951342 is listed for this model.

Sources

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