6030 with industrial planetaries October 23, 2010 02:41PM
Does anyone know the ratio increase for a 6030 with industrial scraper planetaries?

thanks
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Re: 6030 with industrial planetaries October 23, 2010 05:00PM
42%
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Re: 6030 with industrial planetaries October 24, 2010 01:59AM
Thanks for the reply,can i ask how you came up with that figure? We did it to one and it does sound about right from following with a vehicle speedometer before and after at close to stock rpms.
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Re: 6030 with industrial planetaries October 24, 2010 02:22AM
I am not familiar with a 6030 but I know the ratios of a 5010 and an earth moving pan.

The tractor planetaries are 5:1 ratio

The pan ratio is 3.36:1

If you put the pan planetaries on a 5010 it would speed it up

5 - 3.36 = 1.64

1.64/5 = .328

.328 X 100 = 32.8%

So the pan planetaries would speed up a 5010 32.8%.


I assume that the planetaries on a 6030 are the same as a 5010 but I don't know for sure.
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Re: 6030 with industrial planetaries October 24, 2010 07:30AM
That is correct 5010, 5020, and 6030 all run a 5:1 ratio final drive.
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Re: 6030 with industrial planetaries October 25, 2010 11:58AM
Who or how much power would you say to run that gear in a 10000 lb class?Who meaning is that Prostock wheel speed?
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Re: 6030 with industrial planetaries October 26, 2010 05:28AM
Originally many pullers went to that planetary to get more speed below 8th, or to get away from the stock 5th gear(a weak point in stock form). If you can run 8th at 10k, and not lose ANY rpm, you might be able to pull it---but wouldn't bet the farm on it. On the Otwell sled (as an example of a sanctioned sled), 1500hp might not pull the gear! With pullers now building gear sets with as little as 6% steps, a 30 percent step is HUGH jump. Probably most who tried the gear, to raise top speed, took them out.
8500 pro-farms in KY historically run Direct, Direct -6%, Direct+6%, probably no one consistantly much over direct+12%, and the trend seems to be towards a lesser gear, that allows rpm to be held after starting the sled. Several of those tractors are in the 1150 to 1250 hp range, as illustrated by the multiple winners throughout the season. The bb trans is a big leap between 7th and 8th, but with the scraper planetaries, 7th gear, as all gears the transmission, is 30 percent faster, giving you a fairly fast gear, without trans. modification. If your heavy (for your class), if you change complete axle housings, there has been significant wt loss mentioned by multiple bb pullers achieved by triming housing and gears, here on pulloff. For direct feed back, there will be a significant number of bb's at gordyville---to see if anyone is still going that old time route, as done by the late Ron Berry on his 3 charger, Berry's Beast, and early on in Masterson's River Rat days.
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Re: 6030 with industrial planetaries October 26, 2010 01:19PM
Road gear (8th) on a 6030 with 20.8's and industrial finals at 3000rpm runs right at 40mph. I would say that is alot faster wheel speed than the 8500lb Ky profarms run. When you say they run direct I am not certain exactly what you mean since final drives and ring and pinions very a lot from tractor to tractor. For example a 4020 in road gear with 4010 finals is about a 20:1. I would think they would be pulling more gear than that since thats what some of the hot farms are running at 10000lb. The 6030 in road gear with the industrial finals would be about a 15.3:1, now that is a nice fast gear! Is that what a Prostock Pulls for finals?
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Re: 6030 with industrial planetaries October 26, 2010 05:02PM
How does that compare to7th-ag finals? 8th-ag finals? 7th-industrial finals? 8th-industrial finals? I did find for a 5010I "FINAL DRIVE: Planetary type.Gear reduction ratio firstgear 147.3 to 1, Gear reduction ration in high gear 15.7 to 1"
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Re: 6030 with industrial planetaries October 27, 2010 02:25AM
I don't know the exact tooth counts, but these should be close.
6030 stock 6th 49.5:1
6030 stock 7th 38.30:1
6030 stock 8th 23.36:1
6030 industrial 6th 33.26:1
6030 industrial 7th 25.73:1
6030 industrial 8th 15.7:1
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Re: 6030 with industrial planetaries October 27, 2010 01:33PM
The fastest 8500 pro-farm I'm heard from a sled operator is 29.6 mph, and that was not at 3000 rpm. Maybe 6 to 8 years ago, Linders had a radar gun at Bowling Green and the 7 super boys were averaging 35 to 37 mph, pro-stocks, if memory correct was near 30mph. A 40 mph gear at 3000 rpm is probably a gear the Boyds wish the Green Streaks could pull!!!
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Re: 6030 with industrial planetaries October 27, 2010 02:01PM
We need to be sure we're not comparing sled speed to wheel speed of the tractor. A tractor pulling a sanction sled 30 mph is turning considerable more mph at the rear wheels. Blue Blazes was clocked in TN in the low 40's, sled speed, tire speed could have been anywhere from 90 to a 100plus. Another issue, the 3000 rpm tractors might have enough of a traction advantage, over a higher geared, higher horsepowered unit, i.e. pro-stock, limited pro, that they run the hightest percentage of actual gear speed than any other tractor class; definately torque rules those classes and they put on a good show.
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