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A
motor oil
Have heavy duty straight 50 weight motor oil that meets diesel specs. I am thinking about running it in our 8440 during the summer only. The tractor has always had 15w40 run in it and has 7000 hours on the original engine. Any thoughts or advice would be appreciated.- a1940jd
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- Replies: 7
- Forum: John Deere
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A
guess the weight
quess how much weight we removed from these model A jd bull gears- a1940jd
- Thread
- Replies: 6
- Forum: Tractor Pulling
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