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Jack(Ky) 
Orange Level
Joined: 12 Sep 2009
Location: Ky
Points: 1153
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 Topic: 7020 Torque Specs
Posted: 17 Aug 2023 at 5:29pm |
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Anybody have the torque specs for the rods and mains on a black belly 7020. Thanks
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'59 D14 '68 170 Diesel '81 7020 40 All Crop
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nowaktj
Orange Level
Joined: 13 Dec 2009
Location: Elk River, MN
Points: 735
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Posted: 24 Sep 2025 at 1:05pm |
This is what the service manual states but is it accurate? I am also working on a 7020 engine (Out of a M2 combine).
Edited by nowaktj - 24 Sep 2025 at 1:06pm
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D19D, D17D, WD, WC, Snobee, #83 Plow, SC Blade, 14' disk, 400 series planter, B , Terra Tiger, M Dozer w/Baker Blade, TL-12, 42S Grader, G
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nowaktj
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Joined: 13 Dec 2009
Location: Elk River, MN
Points: 735
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Posted: 24 Sep 2025 at 1:12pm |
I bought new rod bolts from AGCO. I looked at the head of the bolts and they are stamped with "EMP" and "170M".
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D19D, D17D, WD, WC, Snobee, #83 Plow, SC Blade, 14' disk, 400 series planter, B , Terra Tiger, M Dozer w/Baker Blade, TL-12, 42S Grader, G
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DrAllis
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Joined: 12 Sep 2009
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Posted: 24 Sep 2025 at 1:41pm |
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80-85 ft lbs for 301 rod bolts is toooo much !! Must be an I & T book ?? 45 ft lbs is A-C spec.
Edited by DrAllis - 24 Sep 2025 at 8:26pm
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joe
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Joined: 30 Nov 2009
Location: SW Ontario
Points: 162
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Posted: Yesterday at 12:06pm |
AGCO shop manual states the main bearing cap as being a Grade 8 bolt to be torqued to 135 ft lbs. The conn rod bolts are 3/8-24 , Grade 100, torqued to 45 ft lbs.
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nowaktj
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Joined: 13 Dec 2009
Location: Elk River, MN
Points: 735
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Posted: 6 hours 58 minutes ago at 11:30am |
This engine, out of a M2 combine, I plan on putting into a 7020. I noticed excessive crank end play so pulled the pan to discover the clutch side of the #4 bearing has the shoulder wiped off of it.
What would have caused this? I plan on putting in new main bearings but if the crank is cut wrong or ??, I don't want to throw my money away.
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D19D, D17D, WD, WC, Snobee, #83 Plow, SC Blade, 14' disk, 400 series planter, B , Terra Tiger, M Dozer w/Baker Blade, TL-12, 42S Grader, G
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