in the oil filler hole
What year is a massey ferguson 165 with a serial number of 37786240?
a 165 Massey-ferguson oil pan holds 8 1/2 quarts
1974 http://www.tractordata.com/farm-tractors/000/7/4/746-massey-ferguson-165.html
1973
You're probably looking at the transmision/hydraulic oil level. The filler hole is a hex-head bolt just below (towards the seat) from the left-hand gear stick.
The Massey Ferguson 165 tractor with the serial number 9A47957 was manufactured in 1970. Massey Ferguson tractors typically have serial numbers that can be decoded to determine their production year, and the "9A" prefix indicates it was built in that year.
1974
1971
Filter is inside the tank.
A Massey Ferguson 165 with a serial number of 9A 96068 was produced in 1971. The "9A" prefix indicates it was manufactured in that year, as Massey Ferguson used specific serial number prefixes to identify the production year of their tractors.
The power steering can not be adjusted on a Massey Ferguson 165 tractor. Check to make sure the hydraulic reservoir is full. This is usually the cause of most steering issues.