Volvo Penta MD 2040

Volvo Penta MD 2040

The Volvo Penta MD 2040 is a 3 cylinder, fresh-water cooled marine diesel engine delivering a crankshaft power output of 29.1 Kw or 40 hp.

How heavy is the Volvo Penta MD2040?

The different models of the Volvo Penta MD2040 weigh between 199 kg (439 lbs) and 211 kg (465 lbs). The dry weight of the standard engine equipped with straight reverse gear (MS15L) is 199 kg (439 lbs). The dry weight of the standard engine equipped with angled reverse gear (MS15A) is 200 kg (441 lbs). When the engine is equipped with the sail drive option (130S), the dry weight is 211 kg (465 lbs). Lubricating oil, coolant and any alternator upgrades will add to this weight.

Design Features of the MD 2040 Engine

Engine and block

  • Cylinder block and cylinder head manufactured from high grade cast iron. Crankcase features a rigid tunnel block design.
  • Chrome molybdenum forged crankshaft, statically and dynamically balanced with integral counterweights.
  • Pistons are cast from high silicon aluminum, are heat treated and fitted with two cast iron, chromium faced compression rings and a single oil ring.
  • Replaceable, hardened valve seats
  • Elastic coupling on flywheel

Engine mounting

  • Tuned front and rear cushion-type rubber mounts. Adjustable.

Lubrication system

  • Spin-on full flow oil filter
  • Separate oil scavenger pipe
  • Closed circuit crankcase ventilation

Fuel system

  • Flange mounted, cam driven inIine injection pump
  • Feed pump with hand primer
  • Spin-on type fine fuel filter

Exhaust system

  • Freshwater cooled exhaust manifold and seawater cooled exhaust elbow

Cooling system

  • Freshwater cooling system governed by thermostat
  • Tubular heat exchanger with integral expansion tank
  • Coolant system prepared for hot water outlet fittings
  • Easily accessible sea water pump and impeller

Electrical system

  • 12V corrosion-protected electrical system
  • 14 Volt / 6O Amp marine alternator
  • Charging regulator with electronic sensor for voltage drop compensation
  • Glow plugs for cold starting
  • Electric starter motor (2.0 kW output)
  • Extension cable harness with plug-in connection available in various lengths

Choice of transmissions

  • MS15A – reverse gear with 8° down angle output: Ratio 2.14:1 or 2.63:1.
  • MS15L – reverse gear with straight output: Ratio 2.14:1 or 2.63:1.
  • 130S / 130SR – S-drive. Ratio 2.47:1.
    • Housing of gravity die-cast aluminum alloy
    • Mechanical cone clutch shift
    • Safety coupling with built-in overload protection
    • Oil cooler (MS15)

Specifications of the Volvo Penta MD2040

 Volvo Penta MD2040
Number of Cylinders3
Idle (no-load) speed (rpm)850
Full load speed (rpm)3900
Cylinder Diameter (mm)84
Stroke (mm)90
Displacement1500 cc
Weight, engine without oil and water (kg)179

Components of the Volvo Penta MD2040

Volvo Penta MD2040 Port Side
  1. Coolant filler cap
  2. Expansion tank
  3. Relay box with fuses
  4. Flexible mounting
  5. Starter motor
  6. AC generator
  1. Oil cooler, reverse gear
Volvo Penta MD2040 Starboard Side
  1. Dipstick, reverse gear/S-drive
  2. Fine fuel filter
  3. Oil filler cap, engine
  4. Dipstick, engine
  5. Air cleaner (ACL) / Air intake
  6. Seawater pump
  7. Injection pump
  8. Lubricating oil filter
  9. Fuel pump

Dimensions: Click to see the exact dimensions of the MD2040

Video: Click to watch a short video of the MD2040 running

Maintenance jobs for your Volvo Penta MD2040

  • Changing the primary fuel filter on your marine diesel installation
  • Checking the starter motor drive belt on your Volvo Penta MD2040
  • Removal and inspection of the air filter on the Volvo Penta MD2040

Winterising jobs for your Volvo Penta MD2040

Before haul-out:

  • Volvo Penta MD2040 engine oil and filter change

After haul-out:

  • Flushing salt-water from the Volvo Penta MD2040 and introducing anti-freeze
  • Clean and winterise the raw-water filter

Before launch:

  • Stern gear: Grease your lip seal or refill the greaser on your stuffing box
  • Changing the Secondary Fuel filter on the Volvo Penta MD2040
  • Removing and testing the thermostat on your Volvo Penta MD2040

After launch:

A smart skipper learns from the lessons of others.

In our Volvo Penta MD2000 Series Almanac section, we have a series of previous questions and queries from MD2000 series engine owners along with answers. Many of these have been adapted from discussions on the “Volvo Penta Marine Engines owners group” Facebook group which is a fantastic resource for getting technical help.

Do you want to get future VP MD2000 Series Almanac articles straight to your inbox? Sign up to our VP MD2000 Series Owners’ Group today and we’ll make sure that you’re first to see them. And we definitely won’t share your email address with anyone else.

Recent and Current Owner’s Group Articles