Kubota Tier 4 Engines

   / Kubota Tier 4 Engines #41  
How does an engine that burns more fuel to do the same work produce less emissions?
 
   / Kubota Tier 4 Engines #42  
Oh Fred,

Don't you know anything made these days is NOT meant to last more than 10yrs. Forget 30-50yrs

The subject keeps popping up on this thread, and I have to throw my two cents in as well. I do believe that the huge proliferation of models and frequent changes by manufacturers is all about preventing another "8n situation" from occurring. Parts sales is a legalized crime as long as they can keep the tractors different enough so that no 3rd party can jump in and mass produce parts. Case in point, literally is CNH where Case and NH have identical tractors with parts made just different enough to not be interchangeable. There is not now, nor was there ever, a need for manufacturers to make 10-12 different models of small tractors at a time. It gives them the APPEARANCE of offering product diversity while assuring that they control the parts stream in the future, and can END it when they so decide.

Here's a smaller scale example: I own an Echo CS500VL chain saw, about 35 years old. It works as well as the day I bought it, but it had no chain brake. They had one available for many years, but it was expensive and I put it off. I finally decided not to use the saw unless I could get a chain brake, but they stopped making it. So, I bought a new saw. CS600P. Of course, shortly after the new saw arrived, I found the chain brake for the other saw on EBay, so I bought that too, and put it on. OK, so I'm out some cash, but I have 2 good firewood saws I can play with, right? Only guess what? Echo stopped making both sprockets AND air filters for the old saw. Now, this goes back over 30 years. Now, forget about it. You take care of a tractor today and make it last, and you're going to pay for it in the end with outrageous parts prices, until they decide to put you out of it, and it won't take 35 years!
 
   / Kubota Tier 4 Engines #43  
EPA Tier IV emissions specs vary depending on HP. There is a significant step at the 50HP level.
Kubota manufactures a line of drop in direct replacement spark ignition engines for Tier III and IV diesels where the owner operator doesn't care for the Diesel engine .
 
   / Kubota Tier 4 Engines #44  
EPA Tier IV emissions specs vary depending on HP. There is a significant step at the 50HP level.
Kubota manufactures a line of drop in direct replacement spark ignition engines for Tier III and IV diesels where the owner operator doesn't care for the Diesel engine .


You can get a non-diesel replacement engine?
 
   / Kubota Tier 4 Engines #45  
Case in point, literally is CNH where Case and NH have identical tractors with parts made just different enough to not be interchangeable.

What parts would that be? Sheet metal and trim?
 
   / Kubota Tier 4 Engines #46  
EPA Tier IV emissions specs vary depending on HP. There is a significant step at the 50HP level.
Kubota manufactures a line of drop in direct replacement spark ignition engines for Tier III and IV diesels where the owner operator doesn't care for the Diesel engine .

As good as Kubota is I don't understand why they could not come up with a different solution than DPF and UREA to these engines. Mahindra and New Holland achieve Tier 4 Final Standards with just a a catalytic converter. New Holland in the Workmaster tractors achieve the standards in the 50, 60 and 70 HP range. How reliable they will be long term who knows. Less initial start up issues compared to regen engines thus far in my experience.
 
   / Kubota Tier 4 Engines #48  
That thar would be exactly what I said. Direct from Kubota. Seems to be a long line of people shocked by the concept .

I'm not shocked at all. In fact, I've wanted to start a thread about that very topic. I'm going to do it right now and see what everyone thinks.
 
   / Kubota Tier 4 Engines #49  
That thar would be exactly what I said. Direct from Kubota. Seems to be a long line of people shocked by the concept .

How bout a link to that thar engine..
 

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