Volvo Penta MD31 Marine
Volvo Penta Volvo Penta MD31 · VP-MD family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine confirmed
The Volvo Penta MD31 is a marinized Peugeot/Indenor XDP 6/90 six-cylinder block; internal parts cross to Indenor/Peugeot 6-cyl XD numbers. source
61 hp44.9 kW
3168 ccdisplacement
90×83 mmbore × stroke
6-cylcylinders
1980–1990year range (approx)
NAaspiration
Cheaper-part coverage · 4/8
🚜 Base engine ✓🌀 Impeller💧 Raw-water pump🛢️ Oil filter ✓⛽ Fuel filter🌡️ Thermostat➰ Belt ✓⚓ Anode ✓
A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.
Parts by section · 93 assemblies
The exploded parts diagrams for the Volvo Penta MD31, grouped by system. Open a figure for its callout part numbers and per-variant quantities.
Controls
Cooling
Fig 19133 — Sea Water Pump and Installation Components: AFig 19140 — Oil Cooler and Installation Components: AFig 19147 — Air Filter and Installation ComponentsFig 19153 — Inlet and Exhaust Manifold and Installation ComponentsFig 20329 — Heat Exchanger and Expansion Tank with Installation ComponentsFig 20331 — Circulation Pump with Installation ComponentsFig 20333 — Thermostat Housing with Installation ComponentsFig 20336 — Sea Water Pump with Installation Components: AFig 20339 — Oil Cooler with Installation Components: AFig 20341 — Inlet and Exhaust Manifold with Installation Components
Electrical
Fig 19216 — Alternator and Installation Components: AFig 19220 — Starter Motor and Installation Components: AFig 19242 — Electrical System and InstrumentsFig 19247 — Electrical Box and Installation Components: AFig 20358 — Alternator and Installation CompsFig 20359 — Alternator 12V: 872018Fig 20361 — Starter Motor and Installation ComponentsFig 20365 — Electrical BoxFig 20370 — Cables and TerminalsFig 20371 — Electrical Materials
Engine
Fig 19101 — Cylinder Head: TAMD31A SOLASFig 19111 — Camshaft and Valve MechanismFig 19124 — Oil Filter and Installation Components: AFig 19128 — Engine Suspension: AFig 20311 — Cylinder Head: AFig 20312 — Cylinder Block and Flywheel Cover: AFig 20313 — Crankshaft and Related Parts: AFig 20315 — Timing Gear Cover and Gears: AFig 20316 — Lubricating System: A
Fuel
Miscellaneous Equipment
Fig 19307 — Cooling Water Intake: 841723Fig 19326 — Rudder Indicator Kit: 858884Fig 19328 — Conversion Kit 24V: 858910Fig 19361 — Water Cooled Exhaust Muffler with Installation ComponentsFig 19372 — Thermo Switch ControlFig 19393 — Vacuum Valve KitFig 20416 — Alarm Unit: 827940Fig 20417 — Safety ContactFig 20418 — Charging Relay Separate Mounted: 858841Fig 20419 — Charging RelayFig 20420 — Main SwitchFig 20421 — Instrument Panel: 860184Fig 20422 — Extra Panel and Operating Hour MeterFig 20423 — Alarm Panel: 858876Fig 20424 — Instrument Panel Flybridge: 864043Fig 20425 — Rudder Indicator Kit: 1140463Fig 20428 — Alternator Kit: 860872Fig 20431 — General BracketFig 20432 — Pulley: 860024Fig 20433 — Coupling Flange: 828390Fig 20434 — Coupling Flange: 853794Fig 20435 — Coupling Flange: 827927Fig 20436 — Propeller Shaft Flange: 828388Fig 20437 — Propeller Shaft Flange: 806383Fig 20438 — Flexible Propeller-Shaft Coupling: 838471Fig 20439 — Propeller Shaft Stuffing Box: 828254Fig 20440 — Propeller Shaft SleeveFig 20441 — Stuffing Box: 859012Fig 20442 — Stuffing Box and Grease Gun: 859016Fig 20443 — Propeller, Bronze and Zinc Anode: AFig 20444 — Propeller, Drive Unit: AFig 20445 — Duoprop Propellers for Diesel EnginesFig 20448 — Sea Water Filter and Sea Water IntakeFig 20451 — Flybridge Single Engine InstallationFig 20452 — Flybridge Twin Engine InstallationFig 20453 — DS UnitFig 20454 — Bilge Pump and Engine Room FanFig 20455 — Tool KitFig 20456 — Tool Kit: 858282Fig 20463 — Hot Water OutletFig 20464 — Water Heater KitFig 20465 — Expansion Tank KitFig 20466 — Drip ProtectionFig 20469 — Charge Pressure Gauge Kit: 858603Fig 20470 — Oil Bilge Pump, Electrical: 843114Fig 20471 — Fuel Tank and Connecting ComponentsFig 20472 — Fuel FilterFig 20474 — Tank Meter Kit for Fuel and Fresh Water: 1140461Fig 20475 — Control for top Installation PC740: AFig 20476 — Control for top Installation PC840, SingleFig 20477 — Control for top Installation PC840, TwinFig 20479 — Handle Pt top/side for Control: 1140041Fig 20480 — Control for Side Installation PC740: 851604Fig 20481 — Control for Side Installation PC840Fig 20482 — Control for Side Installation PC741, PC841: 1140092Fig 20483 — Plate, Control CableFig 20485 — Connecting Kit for Dual StationFig 20487 — Sea Water Strainer Kit
Transmissions
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List— none yet
External links — we host none of these documents.
Volvo Penta MD31 — Affiliate Parts Search
eBay and AliExpress links are affiliate links. They help pay for the site, at no extra cost to you. More
- Category
- Marine
- Engine family
- VP-MD
- Year range (approx)
- 1980–1990
- Cylinders
- 6
- Rated output
- 61 hp (44.9 kW)
- Bore × stroke
- 90 × 83 mm
- Displacement
- 3168 cc
- Aspiration
- Naturally aspirated
Related VP-MD engines
Volvo Penta MD11CVolvo Penta MD17C/DVolvo Penta MD1BVolvo Penta MD2010Volvo Penta MD2020Volvo Penta MD2030Volvo Penta MD2040Volvo Penta MD21AVolvo Penta MD21BMD22LMD22PVolvo Penta MD27Volvo Penta MD29Volvo Penta MD2BVolvo Penta MD30 / TMD30 / TAMD30 / AD30Volvo Penta MD32AVolvo Penta MD3BVolvo Penta MD40 / TMD40 / TAMD40 / AD40Volvo Penta MD5A/B/CVolvo Penta MD6A/BVolvo Penta MD7A/B