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Allis-Chalmers Damon 
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Joined: 13 Apr 2015
Location: Deer Park, WA
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 Topic: 1959 D14 - Need some opinions
Posted: 5 hours 25 minutes ago at 10:58am |
Hello all,
I have a 1959 D14 that has been in the family since new. My great-grandpa owned an AC dealership and he bought the D14, and a WD45 Diesel at the same time. This D14 has worked nearly it's entire life here on the farm. No clue as to the hours, but it's well over 5,000 when the meter stopped working.
My current issue is that she is burning some oil, and also runs rough after 1 hour in the field. The #1 spark plug seems to continually foul or not ignite as hot as the other cylinders, which causes a miss under load. I have done frequent oil changes, and also played with a few different fuel/oil additives which helped the oil burn issue. It's hard to see if there is blue smoke upon startup, but when the tractor is way out in the field I can see blue smoke rising out of the stack.
My current thought is to do a compression test before I start throwing ignition/fuel parts at it. Assuming the compression is within spec, I think i will need a new condenser, points and maybe a coil. I also thought a carb rebuild would not hurt either if it's starving for fuel when hot.
Any other recommendations would be great before I start tearing into it!
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1955 WD45 Diesel, 1959 D14, All-Crop Drill, 2015 John Deere 5075e, New Holland 279 Haybine, New Holland 575 square baler, New Holland 1032 Stackliner, 10ft Industrias Disc, 6ft Titan grapple
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DrAllis
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Joined: 12 Sep 2009
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Posted: 4 hours 48 minutes ago at 11:35am |
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New spark plugs first. AC Delco R-46 or better yet R-47's. They are a hotter plug and may help with the fouling. Second, use 20W-50 motor oil to slow down the oil burning. Not a good winter oil at all, but summertime is fine.
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Allis-Chalmers Damon
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Joined: 13 Apr 2015
Location: Deer Park, WA
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Posted: 4 hours 45 minutes ago at 11:38am |
 DrAllis wrote:
New spark plugs first. AC Delco R-46 or better yet R-47's. They are a hotter plug and may help with the fouling. Second, use 20W-50 motor oil to slow down the oil burning. Not a good winter oil at all, but summertime is fine. |
Thanks! I am running some Autolite 295's now, I believe I changed them last year. It seemed to help initially, but over time the engine started missing again under load.
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1955 WD45 Diesel, 1959 D14, All-Crop Drill, 2015 John Deere 5075e, New Holland 279 Haybine, New Holland 575 square baler, New Holland 1032 Stackliner, 10ft Industrias Disc, 6ft Titan grapple
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Les Kerf
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Joined: 08 May 2020
Location: Idaho
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Posted: 4 hours 17 minutes ago at 12:06pm |
Allis-Chalmers Damon wrote:
... My current thought is to do a compression test... |
Definitely
Allis-Chalmers Damon wrote:
... I think i will need a new condenser, points and maybe a coil... |
If you are spending money on ignition parts to extend the life of a tired engine, an MSD (Multiple Spark Discharge) will fire a fouled plug far better than any breaker point system will.
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DrAllis
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Posted: 2 hours 45 minutes ago at 1:38pm |
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A compression test may very well be inconclusive. If it has never been OH'd the sleeves will have a heavy ring edge at the top. The top piston ring will be loose up/down in the piston groove. The intake valves and guides will be loose. If you can keep it from fouling spark plugs, dumping oil in it once in a while isn't hard to do.
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Allis-Chalmers Damon
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Joined: 13 Apr 2015
Location: Deer Park, WA
Points: 108
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Posted: 1 hour 46 minutes ago at 2:37pm |
DrAllis wrote:
A compression test may very well be inconclusive. If it has never been OH'd the sleeves will have a heavy ring edge at the top. The top piston ring will be loose up/down in the piston groove. The intake valves and guides will be loose. If you can keep it from fouling spark plugs, dumping oil in it once in a while isn't hard to do. |
This has never been OH'd, it's nearly 100% original. It seems to foul the #1 plug quite often. It starts great and seemingly runs good when cold/warm. Once it gets hot it starts to miss pretty badly, which is why I was thinking fuel and/or ignition related. If I attempting to throttle up quickly you can hear the miss as well.
I've been adding oil to this old girl for about 10 years. Not hard to do at all, but at some point I need to give it more than just a tune-up or oil. I didn't really plan an overhaul right away, so I was hoping for some additional things to try first. A compression test might give me the final answer which is that it will need an OH sooner, rather than later.
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1955 WD45 Diesel, 1959 D14, All-Crop Drill, 2015 John Deere 5075e, New Holland 279 Haybine, New Holland 575 square baler, New Holland 1032 Stackliner, 10ft Industrias Disc, 6ft Titan grapple
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
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Posted: 1 hour 40 minutes ago at 2:43pm |
After doing a compression test, Do something cheap and easy first, Get better quality spark plugs, something like a NGK-XR4 it will have an extended tip which will resist fouling better than most other plugs. These will also have a resistor which will force the system to produce a higher voltage rather than just sparking whenever there is enough voltage to jump the gap. I've used that plug in many worn out engines to prolong their working life well beyond what most could get with more expensive band aids. Also remove the oil bath air cleaner and purge it in and out of a bucket of bad gas or kerosene. You'll be surprised how much crud will come out.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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