Comparison Which manufacturer has the highest HP true HST tractor?

   / Which manufacturer has the highest HP true HST tractor? #1  

Nilesw

Bronze Member
Joined
Feb 15, 2004
Messages
57
I currently own a L4701 and would like to get into at least into the 60s HP for my next tractor. I know about the L6060 but am not familiar with any other 60+ HP HST models. Can anyone help me?
 
   / Which manufacturer has the highest HP true HST tractor? #2  
Used would have been the Versatile or Ford bi directional.
New any of the larger ones with a CVT.
Most of those may be a bit larger then you want.
The Farmall C series has a CVT and 53 hp.
 
   / Which manufacturer has the highest HP true HST tractor? #3  
AS LouNY said, you will have a hard time to find agricultural tractors 60+ HP with HST it is not robust enough for that, but you'll find KVT in the case of Kubota or CVT in other makes or PS (power shift)
 
   / Which manufacturer has the highest HP true HST tractor? #4  
4066 R or M Deere both have 66hp in hydro..
 
   / Which manufacturer has the highest HP true HST tractor? #5  
IH 1066.

126 PTO HP.

For new production, true Hydros cap out in the mid 60s, then it becomes a question of if CVT is close enough in function to count. If it is, I think somewhere around 600-700 HP is the limit.

JD 4066s 66 engine HP and 54 PTO HP in both R and M. Both models weigh 3770lbs with ROPS. R Cab weighs 4675lbs.
Massey 1760M 60 engine HP-44.4 PTO HP. 3968lbs ROPS and 4464lbs Cab.
Kioti NX6010-60 engine HP and 48.3 PTO HP. 4211lbs ROPS 4548lbs Cab.
Mahindra-Their product line is impossible to decipher for me. Pass.
LS-same as Mahindra. Pass

Kubota L6060-60 net engine HP-53 PTO HP. 3990lbs ROPS, 4365lbs Cab

Massey is very PTO inefficient. 74%. Everyone else is in the 80s, with Kubota handily winning, being 85.5% or 88.3% efficient, depending on if you look at gross or net engine HP. No other manufacturer lists net vs. gross engine ratings that are easily found, so I'm unsure which they advertise.

Kubota and JD are the clear front runners. Though I do want to know where all that weight, 905lbs of it, comes from when you jump to the 4066R cab. Clearly a bit of an outlier.
 
   / Which manufacturer has the highest HP true HST tractor? #6  
Fendt 207 Vario has the best transmission there is, stepless from 0.02 to 40km/h but not particularly cheap to buy.
 
   / Which manufacturer has the highest HP true HST tractor? #7  
The Yanmar YT359C has the integrated hydro-mechanical transmission (iHMT) at 58.9 engine horsepower and 52 PTO horsepower, 88% efficiency and 4442lbs. The iHMT is also easier to service than a traditional HST.
 
   / Which manufacturer has the highest HP true HST tractor? #8  
The Yanmar YT359C has the integrated hydro-mechanical transmission (iHMT) at 58.9 engine horsepower and 52 PTO horsepower, 88% efficiency and 4442lbs. The iHMT is also easier to service than a traditional HST.

Sounds like another good option along with the JD and Kubota.

At that point it would have to come down to features and ergos.
 
   / Which manufacturer has the highest HP true HST tractor? #9  
The Yanmar YT359C has the integrated hydro-mechanical transmission (iHMT) at 58.9 engine horsepower and 52 PTO horsepower, 88% efficiency and 4442lbs. The iHMT is also easier to service than a traditional HST.

Not sure the basis for your assessment that the iHMT is easier to service. All of my hydros have only required filter and oil changes.

Yanmar is short on info about this setup. They do provide a video demonstrating the features. This setup appears to be a electronically controlled continuously variable transmission (CVT) with power shuttle for direction changes.

Given the fairly vocal group against electronic controlled emissions systems, I'm sure this additional electronic control will be a further turn off for that group.

If I were in the market for a new tractor, I'd certainly give it a look though! It looks to be a very versatile setup.
 
   / Which manufacturer has the highest HP true HST tractor? #10  
I think Yanmar's claim to fame with this transmission is that if it requires"major" service it is easier;tractor doesn't have to be "split".Normal filter changes should be similar to HST.Wish we had a dealer close I would be interested to check one out.
 

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