Can anybody tell me,what is the source of Manganese in used diesel engine oil sample?Is it wear metal or trace metal.

I am by far no expert on diesel engines but, I do have a handy reference book which list the elements found on different components of a piece of equipment. I hope the following information helps.

Reference: "Sourcebook for used oil elements" by Noria pg. 12

Manganese (Mn) can show up in the following components of a diesel engine as:

Minor element:
Wrist pin & bushing
Piston rings-various

Trace element:
Gears- misc.
Crank shaft
Cam shaft
Cam follower
Valve train
Cylinder liner
Roller/ball bearings-various

Minor element- medium concentration range relative to a Major element. Appx. 20-50% of a major element

Trace element- very low concentration relative to Major & Minor elements. May no show up in a concentration high enough to register above instrument detection limits.

The Sourcebook is a great reference guide to have as it covers many different catagories of equipment. I think you can purchase one from the Noria store on line.

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