Manual shuttle tractor

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So please make sure your email address is correct. Any questions please contact: admin servicemanualperfect. Number of items in cart:. Download Category: Massey Ferguson. Skip to content. Just push throttle to desired speed and push on top of pedal, kick with heel and you go into reverse, seen lots of first time operators jirk their heads off or hit a wall. Cat had them as far back as Lathtinker.

My tractor has 12 manual speeds. After picking a gear, the shuttle is used to go forward or reverse, or neutral, while leaving the transmission in whatever gear you picked. You can also use the foot clutch to pause with the shuttle in forward or reverse. The shuttle is a pretty handy feature.

The device is a Hydrosatic transmission. Try a Google search. Jim Harris Guest. Terminology varies in different regions but most responses here are not correct. It is an infinitely variable hydraulic transmission. IMHO--after a year on a manual gearbox tractor you'll be so tired of grinding the teeth in the typically non-synchro gearbox, that you'll wish you'd bought a "hydro".

The shuttle shift is an improvement on the manual transmission especially for loader work where frequent changes of direction are required --see ColoradoBoy's description. Such statements are highly dependent on what it is you need to do with the tractor, and to some degree what one compares this feature to.

Yes, it's a big improvement over a straight manual, but again, depends on what you need to do with the machine. The addition of shuttle shift provides forward and reverse for all available speeds. Also, typically hydros are only available on "compact" tractors.

Some modern gear drives have synchromesh boxes and others go even further with designs that allow rapid "clutchless" shifting. These are a huge improvement over non-synchro manuals. I have heard, but have no direct experience, that early shuttle shifts had reliability problems and were expensive to repair. The "shuttle" section is just a reversing gearbox--nothing special. It is purely mechanical just like the rest of a manual transmission.

Failing to come to a complete standstill will result in the gnarling and gnashing of teeth. Most shuttle shift transmissions are plenty rugged but, it stands to reason that this particular mechanism is going to be employed heavily when doing loader work and the like.

In other words, the shuttle will have to withstand a lot of abuse and is likely going to be the first thing to break if not of a bullet-proof design. A great time saver even though you have to clutch every time! My son's John Deere B dozer has a F - R shuttle transmission located between the engine and main 4 F transmision.

This shuttle transmission uses hydraulically actuated clutch packs to shift between Forward and Reverse and does not require the clutch on the engine flywheel to be disengaged to "shuttle shift". An even greater time saver for dozer and loader work!!