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The Shed General Discussion of SCUT Tractors

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post #61 of 65 Old 04-25-2018, 07:19 PM
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Re: Why no gas SCUTs?

Just put a 350 chevy v8 in it.
That works for everything.

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post #62 of 65 Old 04-25-2018, 08:49 PM
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Re: Why no gas SCUTs?

Originally Posted by Eric2075 View Post
You're pretty good at digging this stuff up. Can you find a chart for the ELH 750 which I mentioned in post #8 of this thread (27 HP with torque peak at 2400 instead of the 3400 peak of the ELH 775)?

Either the torque curve of the 750 is unpublished or my google-fu is seriously failing me.
Only Aegis curve I've found is for the 775--your google-fu appears to work as well as mine does. Kohler does state torque for the ELH750 at 42.9 ft-lb at 2400 rpm as peak torque; the KD525/2 rings in at ~48.6 at 2400, and the LDW1003 is ~44.2 at 2400. With peak torque that low on a gasser, it'd be an interesting curve to see....the ECH740 and ELH775 torque peaks are 2900 and 3100, respectively. I expect at higher rpm, it will probably fall off like the diesels do. Displacement on both Aegis engines is the same, so i can only figure they changed compression, cam, and/or fuel mapping to accomplish the lower torque curve.

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post #63 of 65 Old 04-26-2018, 12:56 AM Thread Starter
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Re: Why no gas SCUTs?

Originally Posted by Mark in Portugal View Post
Just put a 350 chevy v8 in it.
That works for everything.
I may have to put my 2.2L ECOTEC in it... I think Jay Leno called it "the new small-block chevy" or something similar. My car will rust in half before that engine hiccups. (And I drive it like I hate it...because I do.)
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post #64 of 65 Old 09-19-2018, 11:49 AM
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Re: Why no gas SCUTs?

I have owned or own both the 420 and 430 John Deere's which are nearly identical 20 HP tractors except one is a gasser and one is a diesel. If Onan made a decent con rod setup they would both be contenders. The only difference for me is the dandelion fluff in the summer and snow that comes back off the snow blower in winter that plugs the rad / screen too easily and makes the diesels overheat. Even at -30C.
The diesel mows like nobody's business (also smoother and slightly quieter) when it is not overheating. I need to slow down with the 420 on the really thick grass but usually only a bit. Both handle the snow blower well.
So the argument for me is which works better? Both.
I had a 2305 and a 4010 compact tractors and sold both for the reason listed above when cutting grass. If I had a gas zero turn then the gas tractors would be long gone. I don't know of any residential diesel zero turns and am pretty sure the reason is cost and convenience. Commercial are mostly diesel with a few gas options.
So IMHO it really comes down to the Ford / Chev / Dodge / Import argument. Research and educate yourself and find what YOU find comfy and have at it. Just don't buy 'cause it's cheap. And always get more HP than you think you might need.

Last edited by hgl1; 09-19-2018 at 11:54 AM.
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post #65 of 65 Old 09-20-2018, 07:59 AM
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Re: Why no gas SCUTs?

Well this has turned into quite a discussion

My take:

A. I like the pre emmission Yanmar diesel in the 2305.

B. In small GT's, my experience is the air cooled gas motors are more trouble free than water cooled.

C. It is truly sad what EPA emission standards have done to diesel truck motors. What was at one time a cheaper and more dependable power plant is now just the opposite. Last year when I was searching for a 3/4 ton truck I absolutely would not look at diesels due to the risk of diesel motor repair costs. A gasser has something go wrong and it is a few hundred dollars, a diesel has problems and it is a few thousands dollars and often many thousands of dollars. The 6.2 liter gas motor in my F250 Super Duty is OK, with the 4.30 rear end most of the time. A month ago I was hauling 3 full cord of firewood in my 18' trailer going up a very steep grade and it was down to 25 MPH at the top of the hill but then one only encounters a situation like that .001% of the time.

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