hydrashift how does it work?

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thomasven
Posts: 261
Joined: Fri May 09, 2008 8:44 pm
Location: Nr. Downham Market. Norfolk.
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hydrashift how does it work?

Post by thomasven » Sat Apr 07, 2012 11:06 pm

we where doing powershift transmissions at college and where looking at new holland gearboxes valtra gearboxes and massey fergusons dynashift and i am trained on the claas hexashift gearbox as i work at a claas dealership and i was wondering how does the hydrashift work is there any diagrams about?

thanks in advance
tom
1 880 selectamatic
1 1200 selectamatic
1 1210
1 25d (seized engine project tractor)

mitch
Posts: 969
Joined: Fri Apr 21, 2006 10:29 am
Location: Toowoomba Australia

RE: hydrashift how does it work?

Post by mitch » Sun Apr 08, 2012 7:29 am

Hi Tom

I have emailed you the hydrashift manual powerrabbit gave me, it should answer your questions. The service manuals are probably more extensive in info but i dont have them pdf'd.

Regards

Mitch
non-Q 1975 1210 2wd
model# 1210/1 728931
engine# AD4/55A 26193

1975 1412 2wd
model# 1412/1 1050623
engine# 455011 120673

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jimc1390
Posts: 2253
Joined: Sun Jan 11, 2009 10:27 pm
Location: cornwall

RE: hydrashift how does it work?

Post by jimc1390 » Sun Apr 08, 2012 12:32 pm

basically two hydraulic clutch packs with epicyclic reductions mounted to them, without preasure the drive goes through reductions, hydraulic preasure to the clutch packs locks up the drive to 1:1 , different sequences of the 2 packs will give you 4 speeds, hexashift is a good system the soft wear seems better in the claas compared to the mf, mf was dyna 6 was a nightmare when launched, sooner have the quad shift(dynashift) but they days are gone
db 990 selectamatic
case ih 1594 com ed
db 1390 gd90 loader

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