They like to run at 3,000 to 3,200 rpm, WOT needs to see 3,900 rpm.Volvo Penta Tamd41 Manual by hareryan93 Issuu I doubt if any A models really saw 200 hp. Later model D, and P were further refined. The second version, known as the B, was a much improved model with different pistons, higher compression and 4 hole injectors and maybe a different turbo. For some reason marlin loved the sound and swam up to the exhaust pipe. Those in the know, would run one engine slightly slower than the other to create a whine.
As a west coast boat owner, the engine sound is nice and sweet for those that like to troll for Tuna and Marlin. If it does not clunk into gear, then the cone clutch needs to be lapped or replaced. The temperature guage will read high if the dash lights are on. The injector pump is easy to remove and time. Many parts are sealed with O rings and need to be replaced to stop all the various leaks. If the O ring wears out, too much oil is at top of head and oil leaks from valve cover. The lifters have a oiling rod that is sealed with an "O Ring". This little gem can cause the inter cooler to rock around and the hole where the drain comes out gets egged out and you lose boost. The after cooler design has a drain cock to dispel moisture. The white smoke goes away when the engine is warmed up. This is the source of White cold start smoke. The TAMD 41A was the first model of the 41 line and its main flaw was low compression. Now toss in the variables of the "owner turning the red knob,"the engine out of sight/out of mind owner", "the clueless owner" and these are the owners who complain about low hour "overheats", "engine failures" and "repowers". engine longevity is really the total number of gallons of fueled burned and the heat the gallons produced. without a rebuild or some type of failure?Īll things being equal.in the end. Which motor do you think has the most likelihood of reaching 5,000 hrs.
for the season, burned 10,000 gallons of fuel.
for the season, burned 2,000 gallons of fuel.īoat engine #2 ran 500 hrs. Run boat #2 as a canyon sporfishing boat.īoat engine #1 ran 500 hrs. Run boat #1 as in inshore/bay lobster boat. Setup of both engines (propping/engine loading/etc.) Take two identical marine diesel engines. I'll add my observations on longevity of marine diesel engines.
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