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HD6G Crawler Loader wont go in forward or reverse
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Wadeland View Drop Down
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Joined: 22 Jul 2015
Location: Montgomery AL
Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wadeland Quote  Post ReplyReply Direct Link To This Post Topic: HD6G Crawler Loader wont go in forward or reverse
    Posted: 22 Jul 2015 at 9:55am
Good morning.
I am new to the forum. I have a 1971? HD6G-21196. Every thing was running strong and now when I engage the Engine clutch operating lever, it will barely move or not move at all (in forward or reverse). I am not very familiar with the machine. Any ideas on what could be wrong, what I need to look for. what can be done to fix it. Any help would be great.
Thank you,
Wade
Loader_and_bobcat.jpg
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Ray54 View Drop Down
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Joined: 22 Nov 2009
Location: Paso Robles, Ca
Points: 4760 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ray54 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 10:59am
If I am understanding you,you have a clutch and not a power shift. If my assumption is correct you need to adjust the clutch. Those better than I at explaining can tell you how to adjust it.A operators manual would be very helpful.   
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Wadeland View Drop Down
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Joined: 22 Jul 2015
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wadeland Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 11:18am
I believe it would be a clutch. From research it is either a "Rockford" engine clutch or an "Auburn" engine clutch. I am not sure what the difference is or how to know which I have. I am praying that is just needs adjustment. But it is all new to me and any suggestions/recommendations/tips would be greatly appreciated. Allis_Chalmers_HD6G.jpg
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michale34 View Drop Down
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Points: 472 		Post Options Post Options   Thanks (0) Thanks(0)   Quote michale34 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 12:39pm
it should have a oil clutch if it has a oil filter on the side of the clutch housing you might want to change it



Edited by michale34 - 22 Jul 2015 at 12:40pm
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gemdozer View Drop Down
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Points: 1066 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 2:03pm
If your HD6 have a oil cluch you could check your oil cluch level and your cluch oil filter and if  your machine have dry cluch she should need a cluch adjustement
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Wadeland View Drop Down
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wadeland Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 4:34pm
I will check and see if it has an oil filter on the side of the clutch housing. I will keep you updated. Thank you for the quick feedback.
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DiyDave View Drop Down
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Points: 54380 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 5:52pm
I think your antigravity unit is in overdrive...
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Dozer View Drop Down
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Points: 689 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dozer Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 6:48pm
What is the complete serial number stamped on back of the final drive housing? 1969 serial numbers 21432 to 22271

If you engage the clutch and the engine RPM remains the same the clutch is slipping. If the RPM decreases the machine is bound up elsewhere.
You can remove the access plate and observe the drive shaft.
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doctorcorey View Drop Down
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Points: 589 		Post Options Post Options   Thanks (0) Thanks(0)   Quote doctorcorey Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2015 at 7:29pm
I think this a power shift w torque convertor. Probably low on fluid or suction filter clogged. Does it have gauges for the transmission?
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donoman View Drop Down
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Points: 117 		Post Options Post Options   Thanks (0) Thanks(0)   Quote donoman Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jul 2015 at 3:24am
If it was powershift it would have a HD7G prefix to the serial number, so it sounds like the clutch may be slipping.
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doctorcorey View Drop Down
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Points: 589 		Post Options Post Options   Thanks (0) Thanks(0)   Quote doctorcorey Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jul 2015 at 7:54am
Originally posted by donoman donoman wrote:

If it was powershift it would have a HD7G prefix to the serial number, so it sounds like the clutch may be slipping.
yes, HD7g or HD6 EP.
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Wadeland View Drop Down
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wadeland Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jul 2015 at 9:41am
Thanks for all of the help! I haven't gotten a chance to get back out to it to take a closer look. I am hoping I will get out there this weekend and let y'all know what I find.
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