I need to know the model and year of Massey Ferguson tractor serial # 9a266906

SOURCE: massey ferguson 3655

sounds like the seals are gone on the 4wd shaft, it takes oil pressure to keep the 4wd off, but if the seals are worn the all passes through and the 4wd will not dissingage, you will need a experianced michanic

SOURCE: Operator's manual for a Massey Ferguson 65 tractor

Go to google search engine and type in your tractor most of the time it will give you lots of web sites to look at.

SOURCE: What years is my tractor?

google Massey ferguson the model number will be on the motor

Testimonial: "nice and easy answer. Great for an inept DIY mechanic like me !"

SOURCE: I need a repair manual

There are several sites that sell repair manuals for your model tractor. I tried to find one that offered a free copy, but no luck.

Here are a few sites that will sell you a repair manual below. the first site may only be a users manual that came with the tractor upon purchase. The second one below is an actual repair manual.

http://www.manuals.us/browseproducts/Massey-Ferguson-699-Tractor-operators.HTML



http://www.ssbtractor.com/tractor_manual_display.cgi?m=Massey%20Ferguson&o=MF%20699%20W/2WD%20Or%20FWD

SOURCE: what is the main bearing bolts torque.the connecting bearing bolts torque and cylinder head bolts totque for E3CD engine in 1540 massey ferguson tractor

I don't have your answer but if you google torque specs for your engine I'm sure you will find your answer. When I'm not sure I will call a dealer and they will most likely help out with the info