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Discussion Starter #1
I mow 1 acre of lawn that is 1-2 inches for some spots and bushhog high(12") for about half an acre. I'm burning though about 1 tank to get that accomplished which is about hour and 20mins and there is no doubt that the lawn tractor is straining. The tank on the D140 is a 4 gallon. I'm wondering if you guys are getting the same type of gas consumption?
 

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That long grass much be killing it. I have a D160 and mow an acre of lawn. I (just barely) get two full mowing sessions out of a tank of gas.

btw, the OEM gas tank on all of the Dxxx series machines is 2.4 gallons.
 

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My '04 L130 with it's Kolher used about half a tank (1+gal) an hour when it's being used easy. I can see an overworked motor easily burning thro more fuel in an hour +.

What's the theory behind brush hogging the 12" stuff with it? Seems unnecessary and excessive IMHO.
 

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Discussion Starter #5
My '04 L130 with it's Kolher used about half a tank (1+gal) an hour when it's being used easy. I can see an overworked motor easily burning thro more fuel in an hour +.

What's the theory behind brush hogging the 12" stuff with it? Seems unnecessary and excessive IMHO.
I have a post hole digger hooked up to my 5065E doing post work. I needed to get this lawn and a small pasture under control before weeds roll in, my only other tool was the D140. Gotta use what you got sometimes.
 

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Discussion Starter #6
That long grass much be killing it. I have a D160 and mow an acre of lawn. I (just barely) get two full mowing sessions out of a tank of gas.

btw, the OEM gas tank on all of the Dxxx series machines is 2.4 gallons.
Good to know. I looked up on tractordata.com and it states its 4gals, and California model 2.4gal. But that doesn't mean the site is correct.

I usually just use a 5gal gas can on all my tools and lawn tractor, But never really paid any attention to how much it took. Next time I top off the 5gal can ill run it close to dry and see what it takes.
 

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Discussion Starter #7
The size of most gas tanks became smaller so it seems they use more fuel. Your consumption seems about right.

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Yea your correct on that. I never put much thought into it until yesterday after it was sputtering out of gas after an hour. I had an 1985 JD 318 and that had a 4.5gal tank. So if it is true that the D series has a 2.4 Gal tank, that's half the size.
 

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Good to know. I looked up on tractordata.com and it states its 4gals, and California model 2.4gal. But that doesn't mean the site is correct.

I usually just use a 5gal gas can on all my tools and lawn tractor, But never really paid any attention to how much it took. Next time I top off the 5gal can ill run it close to dry and see what it takes.
Huh. I looked the Deere brochure and they just list the 2.4 gallon.

I just looked at Tractordata.com as you mentioned and they list exactly as you said. Then I noticed that there is a drop down box at the top of their page to switch between the 2011-2012 model years and the 2013-2017 model years. If you switch that to the 2013-2017 years, the gas tank size changes so apparently when they came out with the 2013 lineup, they standardized them all on the 2.4 gallon tank. If your's is older it may very well have the 4 gallon tank.
 

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Tractordata isn't always perfect and reliable when it comes to their specs. It's best not to rely on it as 100% accurate.
 

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Huh. I looked the Deere brochure and they just list the 2.4 gallon.

I just looked at Tractordata.com as you mentioned and they list exactly as you said. Then I noticed that there is a drop down box at the top of their page to switch between the 2011-2012 model years and the 2013-2017 model years. If you switch that to the 2013-2017 years, the gas tank size changes so apparently when they came out with the 2013 lineup, they standardized them all on the 2.4 gallon tank. If your's is older it may very well have the 4 gallon tank.
Good eye, I did not catch that drop down. I think mines a 2013, so it should have the 2.4gal then.
That means I burned though 2 gals of gas on an acre of tall grass. They need to make these tanks bigger. I wonder why the switch to smaller tanks? Id hate to think its weight reduction for better fuel consumption.
 

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Now.. The million dollar question.. Why did they decrease the tank size? And this happened with most models and most makes.

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You can thank federal regulations for the smaller gas tanks, something to do with New and stricter fuel-permeation rules and regulations
I did know about the small residential gas tanks, and how they can't have a air relief valve thanks to the EPA. Which also makes it 10x slower getting the gas poured in the tank. I'm sure this somehow plays into the smaller tank sizes.
 

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I have a post hole digger hooked up to my 5065E doing post work. I needed to get this lawn and a small pasture under control before weeds roll in, my only other tool was the D140. Gotta use what you got sometimes.
That makes more sense, as it's a one time use thing. They way you originally posted it sounded as if that use was routine for it, hence my question/comment.
 

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Discussion Starter #15
That makes more sense, as it's a one time use thing. They way you originally posted it sounded as if that use was routine for it, hence my question/comment.
It wouldn't be the first time. I have mowed 5 acres with it before also, and yes Ive push this machine way past its limits on 5 acres. Ive broken off wheels and the trans on it, But that's what I had at that time.
 
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