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one54dodgetruck 
Silver Level
Joined: 25 Jul 2011
Location: Chehalis, wa
Points: 399
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 Topic: HD7 info
Posted: 23 Dec 2015 at 7:08pm |
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Picked up a HD7 today. Is there a place online that has info on this machine?
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2 WDs
B
B112
D14
D15 shuttle
180
185
7040
Hd7w
D14
D15
185
7040 pd
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CAL(KS)
Orange Level
Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3800
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Posted: 23 Dec 2015 at 8:32pm |
some generic info with production dates
if you want detailed information, norms construction book is the best
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Cad
Bronze Level
Joined: 22 Nov 2015
Location: Iowa City Ia
Points: 5
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Posted: 23 Dec 2015 at 10:38pm |
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I dont know much, but pushing a pile of dirt uphill and you kill it, your 3-71 will run backwards.
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Old Timer
Bronze Level
Joined: 24 Dec 2015
Location: MS
Points: 1
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Posted: 26 Dec 2015 at 8:20am |
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gemdozer
Orange Level
Joined: 17 Sep 2009
Points: 1010
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Posted: 26 Dec 2015 at 11:53am |
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Some HD7 have a DETROIT 371 and some HD7G with 4 cylinder 344 ALLIS CHALMERS no turbo and some with and HD7GB with 6 cyl. 3500 motor
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Cad
Bronze Level
Joined: 22 Nov 2015
Location: Iowa City Ia
Points: 5
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Posted: 26 Dec 2015 at 7:54pm |
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The unit I had was a 1948 HD7W (wide) and spent the first lifetime pulling a scraper for Des Moines County, Ia. We put a Baker Blade on it and used the rear hydraulic unit for lift power. When it lurched backwards that day and started up the wrong way, smoke came out of the oil bath air cleaner and it sounded funny. Pulling the clutch I was surprised to go backwards. I killed it, restarted and pushed the pile up the hill, this time at a higher RPM.
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