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M7060 calls for 45 cetane, preferably 50. Can only find 40 #5260261 11/06/19 08:03 PM
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Fredward Offline OP
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Hey guys! I have a Kubota M7060 and an RTV-x900 that call for a minimum of 45 cetane No. 2 Diesel, and preferably 50 cetane in cold temperatures and at high elevations. I've only been able to find off-road diesel pumps stamped with 40 cetane stickers. There is a local Exxon gas station/small truck stop with an off-road pump, and there's Ellington Energy Company in the closest town of any significant size. I tried asking the front desk guy at Ellington what the actual cetane rating of the fuel they sell is, but he didn't know, just that it was at least 40.

So far I've been adding adding Diesel Kleen to all fuel I use at a double dose, like it says you can on the bottle. This comes out to about 3.5oz for every 5 gallons. Diesel Kleen claims that their product can increase the cetane number by 7 numbers, but it that really possible at the treat rate? Do they actually mean 0.7 cetane instead of 7.0 cetane or something weaselly like that?

Now the real question is, does it really matter all that much? Can low cetane damage my diesel engines, or will it only affect fuel consumption and power output? Is there a diesel equivalent to LSPI? High Speed Post Ignition or something? If it's not hurting anything, then I'll keep on doing what I'm doing, but if I'm shortening the lifespan of the engines I'll try to scramble and find a solution.

Any thoughts or advice would be greatly appreciated.

Re: M7060 calls for 45 cetane, preferably 50. Can only find 40 [Re: Fredward] #5260264 11/06/19 08:12 PM
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tundraotto Online Content
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Your fuel pump will thank you for the Diesel Kleen...for the lubricity. Low cetane just causes your engine to run like crap, or not at all. Lower power, more consumption etc.

Re: M7060 calls for 45 cetane, preferably 50. Can only find 40 [Re: Fredward] #5260265 11/06/19 08:14 PM
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tundraotto Online Content
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If you're worried about the cost....try mixing a little 2-stoke oil with the diesel and use a normal dose of diesel kleen. (That's just what I do, along with a diesel stabilizer (Stabil diesel), and algae preventer (Biobor)).

Last edited by tundraotto; 11/06/19 08:43 PM. Reason: additive mfgs
Re: M7060 calls for 45 cetane, preferably 50. Can only find 40 [Re: Fredward] #5260270 11/06/19 08:21 PM
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Rock Auto has Motorcraft PM22a fuel conditioner for $6.43...

PM22a

Last edited by mattwithcats; 11/06/19 08:21 PM.

2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: M7060 calls for 45 cetane, preferably 50. Can only find 40 [Re: Fredward] #5260320 11/06/19 09:28 PM
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Rand Offline
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most likely the cetane differs seasonally and is at least 40..
so if its a reputable place it will have fuel with higher cetane rating when needed.


2019 Jeep Cherokee Trailhawk 2.0T
2020 Hyundai Elantra "Value Edition"
Re: M7060 calls for 45 cetane, preferably 50. Can only find 40 [Re: Fredward] #5260474 11/07/19 06:56 AM
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BMWTurboDzl Offline
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https://www.amalgamatedinc.com/refineries-terminals-marketers.aspx


By law the min cetane for diesel fuel is 40 but in reality the actual level fluctuates between 45-48. This is why IF a diesel pump happens to indicate cetane it's always going to be 40. Basically I wouldn't worry about cetane but I would worry about stale fuel. If you live in an area which has high demand for off-road diesel (which is sounds like you do) then there's a good chance that the tank has a lot of turnover. In any case when in doubt you can always use an additive. I used the company above for my "on-road" diesel because of their price per dose and that they used 2EHN has the cetane improver which PowerService does not. In addition the amount of improvement in cetane depends on the composition of the finished fuel itself (which the consumer does not and never will know). For example an additive may move one batch of fuel from 40 to 46 (6 points) and the same additive at the same treat rate may only move another batch from 47 to 48 (1 point).


Higher cetane really only makes starting easier, reduces smoke on start up, smooths out the engine at idle. When running at full power the cetane level won't make a difference. LSPI is a gas phenomenon.

Last edited by BMWTurboDzl; 11/07/19 07:08 AM.

“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

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Re: M7060 calls for 45 cetane, preferably 50. Can only find 40 [Re: Fredward] #5260573 11/07/19 08:47 AM
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Danno Online Content
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Reminds me of the cetane debacle for the Ford 6.0 liter.
Try to get a fleet of 500 6.0 truck drivers, spread all over the country to add specific amounts of additives to boost the cetane.

It's not happpening.....


2019 Jeep Grand Cherokee Summit 5.7L Hemi
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