Who makes the HST transmission in YOUR tractor?

[TSO]

I was doing maintenance on my Massey last night, part of which included removing the washable HST filter cartridges. There are two of them, identical filters, one sits apparently in the pump suction line, the other is found inside the bottom of the trans housing. these filters are separate from my spin on hydraulic filter, and I haven't seen a similar setup on the other two tractors that I owned, including a Kioti hydro and an LS hydro. So it got me thinking... Who makes the HST in my Massey? Who made the HST in my Kioti & LS? Iseki built my machine, but do they also build the trans? I tried googling it for an answer but didn't find anything defining the Iseki HST's. I did find an old post talking about tractor manufacturers purchasing components or the whole thing from HST manufacturers, including hydro gear, Kanzaki, Eaton, etc.

So ... does anyone know who builds the HST transmission and/or components in YOUR tractor?

 

[Sysop]

That is a very good question and one I couldn't find much info on any tractor brand when searching in the 40HP range. I know my Mahindra has M&M cast into the housings of everything on mine. There was this tidbit from their corporate site:
Mahindra Gears and Transmissions

 

[sixdogs]

What a great post and interesting question.

 

[arlen4720]

The John Deere eHydro tranny is made by Saur Danfoss in their Ames, Iowa plant.

 

[TSO]

The John Deere eHydro tranny is made by Saur Danfoss in their Ames, Iowa plant.

Thanks for that! Do you know which "product series" it's called? I tried checking into it, but they make quite a bit of stuff.

 

[oldnslo]

No Clue on my Branson or on the Kubota BX. My best guess would be that these trans-axles are made from components supplied by a major player like Eaton or Danfoss but the trans-axle assembly is built by a third party.

 

[arlen4720]

Thanks for that! Do you know which "product series" it's called? I tried checking into it, but they make quite a bit of stuff.

No I don't. I can ask them, I have a contact at Danfoss.

 

[MinnesotaEric]

A wholly-owned subsidiary of Daedong d/b/a Kioti makes their own transmissions.

They sells them to others too.

Daedong Gear Company manufacturers gears, shafts, and transmissions.

New & Used Heavy Equipment Daedong - RitchieWiki

When your transmission shells, blame the Koreans. That said, General Motors named Daedong supplier of the year last year.

Daedong - RitchieWiki

Daedong's automotive home page.

 

[Katahdin]

The Kioti DK series use Kanzaki (Yanmar subsidiary) HST transmissions. Here is supporting documentation to that fact:

View attachment Kioti_HST.pdf


The HST transmission in my Yanmar LX is also built by Yanmar. The only document I can provide on that is this press release.
YANMAR | Yanmar America Announces New Lx HST Series Compact Utility Tractor

 

[TSO]

The Kioti DK series use Kanzaki (Yanmar subsidiary) HST transmissions. Here is supporting documentation to that fact:

<img src="http://www.tractorbynet.com/forums/attachment.php?attachmentid=420847"/>

The HST transmission in my Yanmar LX is also built by Yanmar. The only document I can provide on that is this press release.
YANMAR | Yanmar America Announces New Lx HST Series Compact Utility Tractor

Interesting...That article claims that Yanmar is the only tractor manufacturer to build all of the major components of the tractor...