(800) 853-2651
SHOP NOW

JD 5 cyl engines??

My only thought would be that 3/5/7 cylinder engines are a naturaly balanced so they don't need harmonic balancer shafts or gear sets. Cheaper to build.
 

I wonder why has it taken this long for 5 cyl engines to be utilized in farm tractors. It has to be more to this than chassis length or balancer shafts.
 
Don"t really know, but a neighbor has an AC thats fifteen or twenty years old with a five banger, supposed to be more torque than a four, and better economy than a six. Midsize tractor, 85 or so HP. Made in Czech Rep. or Romania or something. Euro design.
 
5 and 7 cylinder engines are not naturally balanced configurations. An inline 6 is but a v-6 is not. The physics of internal combustion engines is rather fascinating to read/discover. The 5 cylinder JD diesel is a rather noisy little beast and not nearly as smooth as my 3cylinder.
 
I can attest to the noise! I remember when I was at the dealership that there was a 5000 series tractor that used it. I think it was the 5325?? I cant believe that any engineer stood beside the thing while it was running and was proud of their work. It was beyond loud! It was worse than the 3 or 4 cylinders found in any of the other 5000 seiries at the time.
 
The harmonic balancer on the inline 6 cylinders is part of the front crank pulley.
 
Jim, I don't know why they went to 5 cyl. in those models. The same engine is also used in some of the bigger frame skid steer loaders. I can't tell you if they changed anything or not from the engines in the 5020 and 5025 series tractors or not. The 5 cylinders that were in them were junk. Those same motors were also used in a few of the 300 series skid steer loaders. All of them would leak water around the water pump( can't replace just the pump, its built into the front cover), Leak at the intake/valve cover, melting pistons, injectors cracking etc. I just can't see what was suppose to be better about these engines????

Chris
 
SAME/Lamborghini/Hurlimann used them in thier tractors, really sweet running. The John Deere lump is much more efficient at making noise!
 

Thanks for the replies. One thing that started me to thinking about 5 cyl engines was that back a few months I sold an orange tractor that had a 5 cyl engine. It wasn't that fuel efficient nor was it that powerful.
 
Naturally balanced? I take it you mean internally versus externally balanced.
Doesn't matter the configuration, the reciprocating assembly needs to be properly balanced or the thing's going to tear itself apart.
A motor having more cylinders should run more smoothly. With 2, it fires every turn of the crank (unless it's a JD). 3 cylinders, every 2/3 turn, 4 cylinders, every 1/2 turn. 5 cylinders, every 2/5 turn, 12 cylinders, every 1/6 turn.
 

Kubota used a 5 cylinder engine in the L4850/L5450 tractors in the '90's.
Nice running, smooth engines. Power was OK, never heard any complaints, but I never heard about economy. They must have had a changing of the guard at engineering, because the replacement series used turbo 4's. Maybe just emissions though. Never did any major work to those 5 cylinder engines. They had a neat sound.

Adrian
 
Our krautwagon MB 300D is a turbo 5 cylinder. It is faily smooth but doesn"t have much power. Gets about 28 mpg. Much better than the 240D we once had. With it you had to turn off the AC when passing and needed a long way to do it.
 
You must log in or register to reply here.

Similar threads

Tx Jim
Locating serial # of a JD 4440 if SN tag is AWOL
Replies
11
Views
1K
Tx Jim
Tx Jim
W
JD 830 2cyl decal positions
Replies
2
Views
280
Rich'sToys
R
J
John Deere 2020 Diesel Engine
Replies
7
Views
649
Tech 7
T
C
how many JD 530 LP Propane?
Replies
4
Views
265
matthies
M
J
2955 Pto
Replies
2
Views
123
Tx Jim
Tx Jim
Tractor Parts Tractor Manuals

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Copyright © 1997-2024 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters
Website Accessibility Policy

Back
Top