Diesel vs gas

[buickanddeere]

Well naturally, the diesel application would only need 1/2 the displacement (3.0), with 14.7 lbs of boost to get the same rated HP. With again, far less fuel to do the same job.

The law of physics, is the law of physics...can't change those. Duty cycles or load factors, what ever you want to call it, always has the diesel with the advantage when all aspects of power are looked at.

Check the fuel efficiency of a diesel at 25% and 50% vs an equal gasser at 25% and 50% power .

 

[searcyfarms]

Hi B&D - i have diesel engines from all likes of decades - turbo/non turbo - 1959, 1963, 1996, 1997, 2003 and 2006, 2018 3 cyl to v8, straight mechanical injection pump to HEUI - EFI some of the diesels, intercoolers vs non, maybe you have heard of some of them, IH, Shibaura, Perkins, Navistar, Yanmar - there are tons of differences in engines i will agree but the simple question/answer still applies a diesel will work less and produce similar power to perform the same job and uses less fuel. They have had to create hybrids to get the mileage out of gassers that a diesel can produce pushing the same weight or more down the highway........how many gas tractors do they produce today? Hmmmm i wonder why? and diesel is more expensive than gas per gallon, no say it isn't so!!!! .....why don't they make engines in 18 wheelers gas? thanks for the alarm clock - regards..... RVW

 

[4570Man]

Modern gasoline engines can have torque curves that shame a diesel's. It's just that that technology goes into Porsches, not Kubotas.

There’s a big difference in duty cycle. The Porsche will melt pretty soon. The Kubota could make the rated power oil change to the next oil change assuming fuel was continuous.

 

[Snobdds]

Check the fuel efficiency of a diesel at 25% and 50% vs an equal gasser at 25% and 50% power .

Why don't you back your assertion up with some data, you're making the claim. Prove yourself right...

 

[Sawyer Rob]

Why don't you back your assertion up with some data,

Because HE said so, and THAT always makes him right!!

SR

 

[ovrszd]

Small diesel engine use has increased not decreased over the last 30 years.

Diesel fuel is higher than gas. Initial cost of diesel engines are higher than gas. Repair costs are higher than gas.

So why has diesel engine use increased?

 

[stevem5215]

Why do most tractors generally use diesel engines rather than petrol ones? - Quora

 

[Snobdds]

Because HE said so, and THAT always makes him right!!

SR

:thumbsup:

 

[MossRoad]

...
So why has diesel engine use increased?

Because manly men want them.

Why have pickups gotten so ridiculously large? Why have SUVs taken over car sales? Why is Ford ending car production? Why do people order small tractors with R4 "industrial" tires?

Because manly men want them.

Plain and simple. Marketing.

 

[MossRoad]

I'll post this link again to the gas VS diesel break even calculator for RVs. It'll work the same for trucks. Plug in your personal numbers, current fuel prices, DEF costs, etc.... and hit calculate. It'll tell you how many miles you have to drive to break even. It's an eye opener. Plug 'em in and post your results.

Gas vs Diesel – A Calculator and My Thoughts