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WD45 Diesel Gearing?
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GlenB(IA) View Drop Down
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Joined: 11 Sep 2009
Location: Iowa
Points: 127 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GlenB(IA) Quote  Post ReplyReply Direct Link To This Post Topic: WD45 Diesel Gearing?
    Posted: 05 Dec 2011 at 12:32pm
I am rebuilding by grandfather's WD45 diesel.  The previous owner ran the transmission and rearend dry.  He wore out the differential ring gear and pinion shaft bearings.  The bearing spun and ruined the housing (cracked).  If I bolted up a rearend from a WD45 gas, would the gearing be a whole lot faster, or slower?  Would I really know the difference?  I realize that the serial number would be lost.  Thanks!
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dustinmo View Drop Down
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Joined: 12 Sep 2009
Location: Auxvasse, MO
Points: 2187 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dustinmo Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2011 at 12:38pm
the gearing would be higher on the gas rear meaning you would go faster in each gear if you put the gas rear in the diesel, the d230 turned more rpms than the gas to get the same hp,
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GlenB(IA) View Drop Down
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Joined: 11 Sep 2009
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Points: 127 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GlenB(IA) Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2011 at 1:23pm
Thank you, Dustin.  Has anyone done this?  Would it be too fast?
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Bill Deppe/AC Salvag View Drop Down
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Joined: 12 Sep 2009
Location: Maquoketa, Iowa
Points: 974 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill Deppe/AC Salvag Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2011 at 1:59pm
Believe I could have a complete 45D transmission and housing assy 563 652-2949 Ia
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2011 at 9:49pm
won't be much faster.  MACK
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Chris/CT View Drop Down
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Joined: 11 Sep 2009
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Points: 1939 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris/CT Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2011 at 4:17am
I also have a bare housing and ring gear assy's  if you decide to put back original. Serial no on housing has a 45D serial no.
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Larry(OH) View Drop Down
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Joined: 11 Sep 2009
Location: Shreve Ohio
Points: 1580 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Larry(OH) Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2011 at 5:09am
Hey Mack, how much difference is there.  I hear around here from all the WD pullers that they are looking for a diesel rear end because its slower/lower.  I always wondered how much slower
'40 WC puller, '65 770 Ollie

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I can explain it to you, BUT I cannot understand it for you!!
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Calvin Schmidt View Drop Down
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Joined: 11 Sep 2009
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Points: 4540 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Calvin Schmidt Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2011 at 5:53am
The WD-45 gas ran 1400 rpm and the diesel ran 1625 rpm so the gearing makes up the differance to get the speeds the same. The crown and pinion in D-17's are the same as the WD-45 diesels so should be easy to find.
Nothing is impossible if it is properly financed
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21864 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2011 at 6:47am
 Approximately 15 % difference....1400 rpm x 100% divided by 1650 rpm = 84.8 %
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TexasAllis View Drop Down
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Joined: 14 Sep 2009
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Points: 396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TexasAllis Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2011 at 6:56am
Originally posted by GlenB(IA) GlenB(IA) wrote:

Thank you, Dustin.  Has anyone done this?  Would it be too fast?
 
I can't imagine for everyday use you would ever be able to tell the difference except maybe in first or second gear.
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Bill Deppe/AC Salvag View Drop Down
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Joined: 12 Sep 2009
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Points: 974 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill Deppe/AC Salvag Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2011 at 9:00am

The pto speed may not match the grouind speed use in some cases
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