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brad7066 
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Joined: 13 Mar 2022
Location: wisconsin
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 Topic: 190 bull gears making lighter
Posted: 28 Mar 2022 at 7:17pm |
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I want to drill holes in my bull gears to loose some weight. Is there a certain way it should be done. How many holes can I drill. 1/2 inch drill bit?
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DougG
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Joined: 20 Sep 2009
Location: Mo
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Posted: 28 Mar 2022 at 7:51pm |
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Dang, curious on how much weight you need to lose? I know it can be a close deal -
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steve(ill)
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Location: illinois
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Posted: 28 Mar 2022 at 7:59pm |
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steel weighs .28 pounds per cubic inch ... going to take a lot of holes to gain any weight !! ..... thats a 1/2 inch hole about 5 inches deep to get .28 pounds !
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Like them all, but love the "B"s.
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WF owner
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Joined: 12 May 2013
Location: Bombay NY
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Posted: 29 Mar 2022 at 6:59am |
It sounds like a lot of work to save very little weight and there is a possibility of compromising the strength of the gears. There may be a lot of easier places to save weight.
A guy I knew several years ago, that drove one of those green and yellow tractors, had a small motorcycle battery in the tractor. He had a welder plug setup to start it with a remote battery. (I think the motorcycle battery was to run the water injection.)
A local guy (on here sometimes) has a lot of aluminum on his 200.
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NEVER green
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Posted: 29 Mar 2022 at 10:03am |
Ive seen some pretty big holes in the two poppers gears, looked like 5 inch holes to me. Look at some of the rims they butcher, hardly any thing left.
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2-8050 1-7080 6080 D-19 modelE & A 7040 R50
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brad7066
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Posted: 29 Mar 2022 at 1:50pm |
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a guy i was talking to on facebook sent me pictures of his he was able to loose 40 pounds. trying to pull 6500 it is at 6200 with no one on the seat. not sure if it will be drivable with a 100 lbs on the front. i have cut most of the extra cast off already. cut axles short with weld on hubs. my only options are aluminum rims with i cant afford at the time or lighten something else. thanks for all the comments
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brad7066
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Posted: 29 Mar 2022 at 1:52pm |
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it is very close doug aluminum rims are my only other option. i cant afford 4500 bucks right now for that looking for other options
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PaulB
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Posted: 29 Mar 2022 at 6:34pm |
My Oliver has about 3 or 4 inch holes already in the bull gears I think it's 4 of them. If the gear was solid you could have easily made it 6 holes and still had plenty of meat between the holes. Maybe the weight in the seat would be the easiest to loose with a lighter driver. That's what garden tractor pullers do, just change drivers for the heavier class. Try checking the weight on different tires. I've seen as much as 100 pounds difference with the same size tire on larger size tires |
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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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steve(ill)
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Posted: 29 Mar 2022 at 8:48pm |
a guy i was talking to on facebook sent me pictures of his he was able to loose 40 pounds.
Brad... if your able to post a picture, that would be interesting !
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 29 Mar 2022 at 8:52pm |
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if your making 4 inch diameter holes, then every 1/4 inch deep is 1 pound.
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Like them all, but love the "B"s.
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brad7066
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Posted: 30 Mar 2022 at 12:17am |
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will post pictures when done
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SteveM C/IL
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Posted: 10 Apr 2022 at 1:00pm |
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a good bowel movement before the pull would likely loose as much weight
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NEVER green
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Posted: 10 Apr 2022 at 1:55pm |
 SteveM C/IL wrote:
a good bowel movement before the pull would likely loose as much weight |
There is a good one??????
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2-8050 1-7080 6080 D-19 modelE & A 7040 R50
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HudCo
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Posted: 14 Apr 2022 at 11:03pm |
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thats about what i was going to say , just miss lunch twice in a row , but its like building mod snowmobiles it takes alot to loose 5 or 10 lbs.
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NEVER green
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Posted: 15 Apr 2022 at 9:20am |
HudCo wrote:
thats about what i was going to say , just miss lunch twice in a row , but its like building mod snowmobiles it takes alot to loose 5 or 10 lbs. |
Love fast snowmobiles!!!!!!!!
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2-8050 1-7080 6080 D-19 modelE & A 7040 R50
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MACK
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Posted: 16 Apr 2022 at 10:27pm |
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Foam rear end and run less oil, sealed bearings in torque tube without any oil. 190 rear end with smaller bull gears and smaller axels. Use alot of aluminum. MACK
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brad7066
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Posted: 17 Apr 2022 at 2:36pm |
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yes thats what im doing small bull gear and small axles. to every one on taking a crap im up to 48 lbs on the rear end housing and 21lbs on the bull gears if you guys can crap that much you should go the dr
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steve(ill)
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Posted: 17 Apr 2022 at 9:37pm |
48 lbs on the rear end housing and 21lbs on the bull gears .........
WOW... i would never have guessed you could get that out ! 
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Like them all, but love the "B"s.
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