I just brought up john deere 750 and found this 'technical manual'. There's a lot of information there.

JOHN DEERE 750 TRACTOR Service Repair Manual

The document is a technical manual for John Deere 650 and 750 tractors, identified as TM1242, published on September 1, 1984. It is produced by the Lawn & Grounds Care Division and is intended for users looking for technical guidance. The document is printed in the U.S.A. and is available in...

www.slideshare.net

There were several other owners manuals and service manuals on the page for sale, in case you are interested.

 

Welcome to GTT

 

If the manual doesn't clear it up I can take a picture of the shift knobs on my 750, it is confusing... tomorrow, its pretty late here, EST

 

I can't find anything on shift patterns, so please send me a picture of your shift knob.
It would be greatly appreciated!

 

see pictures below, the high low range selector is located near your right heel, low is forward, high is towards the rear.
the shift pattern is really unconventional... Japanese must have designed that one for right hand drive!

 

Thank you!
I really appreciate the help

 

750 is a great tractor, very well made. I have had zero problems with mine and it looked like it had been thru heck when I got it. It had sat for over eight years outside! The sheet metal is beat to crap and wiring for the lights is all but non existant... but it runs fantastic!

 

They are definitely tough tractors

 

very nice example there! 4WD and a loader, nice. Does it have power steering?
Mine had a loader at one time, only had the brackets and hydros when I got it. I have a set of those turf tires on mine right now too, mine is 2WD