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Discussion Starter #1
Anybody having problems with their engine blowing up in the 1st year? Mine has less then 300 hours and was maintained better then the book suggests & it is in for its 1st engine & I know of another one locally that is on its 2nd replacement engine with less hours then mine. Anybody else having this problem with the Kohler engine?
 

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Discussion Starter #3
Thanks, it sounds like from what I am learning it is all over. Mine is a Brutus HD with the Kohler diesel.
 

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Nice read on the ranger forum.
I have the yanmar engine and have problems with snow clogging the b-pillar pre filter.
 

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Rangerforums/Ben007 said:
The Kohler 1000 engine has a fault with the oil pickup being to high in the sump any use over about 15 degree angle can starve the top end. Some of the 2015 engines have also not had the final commissioning and injection timing and setup carried out. Kohler and Polaris are aware of this but won't carry out the repairs until complete engine failure and will then replace the engine with the new 2016 engine
Ouch! Definite strike against the 2015 models.

Nice read on the ranger forum.
I have the yanmar engine and have problems with snow clogging the b-pillar pre filter.
Snow blocking the intake is definitely a common problem, a design flaw in a vehicle sold specifically for winter weather cleanup!

On the upside, snow keeps the abrasive dust to a minimum :)

The linked Ranger thread talks about the Ranger in-cab air intake lacking pre-filter entirely. So using the "kit" to move the intake into the cab fixes one problem but causes another?

RangerForums/Interceptor said:
. If it were mine I'd seriously look at installing a Donaldson radial seal air cleaner. They use them on the Brutus, probably because of design input from Bobcat.
 

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From reading the other thread on the Ranger forum it sounded like a dirt ingestion problem, that's why I recommended the Donaldson air cleaner. That was before I'd heard of these engine failures on the Brutus. It seems there is more to this than dirt ingestion, may be a design problem with the engine. The Kohler Diesel isn't totally new, it's a Lombardini design that's been around for a while. I don't think it was originally intended for vehicle use, and it must have undergone some recent changes to meet Tier 4 final emissions. There's at least one other UTV manufacturer using the engine, I wonder if they are having problems.

Knowing Polaris' reputation handling warranty claims I feel sorry for everyone who got stuck with the Kohler.
 

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I just got a recall notice from Bobcat on my 2015 3650 for the Kohler engine. See attached scan of the letter.
 

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Anyone had their engine actually replaced yet?

I got the same recall letter for my 2015 Brutus and called the dealer. He said they won't see parts/new engine until about April of 2017... are others hearing the same thing?
 

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Nope, I got mine replaced the week I got my letter. Apparently my dealer was notified before me and ordered the parts before I even contacted them.
 

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I just picked up a new 2015 Brutus HDPTO and the engine was swapped out before I took delivery. Hopefully, problems have been fixed.
 

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Here's an FYI on my Koehler diesel engine. New 2017 Ranger purchased new 4/18. Engine blows up after 44 hours, 5 months and three weeks later on 9/25/18. The dealers and Polaris tell me it's out of warranty. The manual states the spark arrestor and engine are covered against factory defects for 1000 hours or 12 months. The dealer doesn't recognize this warranty and Polaris has yet to respond to inquires. I've trailered the unit to 2 dealers and 600 miles just to be verbally assaulted by terrible service techs. Finally after 5 weeks the dealer where it was purchased tells me the engine looks to have a broken high compression piston ring. The fuel and oil have been tested and are NOT contaminated. What a mess!
 
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