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Hefty - g tractor engine trans info

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Kevin Griffin

10-28-2003 12:04:16

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Does anyone have any information on the specs for a hefty - g tractor. Working on an upgrade, can't find any info. If you know anything please let me know, I"M DESPERATE!!!!

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steve

04-13-2004 17:05:16

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Re: Hefty - g tractor engine trans info in reply to Kevin Griffin, 10-28-2003 12:04:16

I have a Hefty A-616 loader backhoe. It appears to have some issue with the clutch. I run a large machine shop and have a small on at my residence. I have a parts manual with exploded veiws but no dimmensions. I have found out that the efty Division of Holtan axle and transmission closed in Juneau WI in the early 80s and the parts were sold to a machine shop in Boulder WI. I am looking for more info of any kind.

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lane

01-02-2006 11:00:30

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Re: Re: Hefty - g tractor engine trans info in reply to steve, 04-13-2004 17:05:16

steve, I also have A-616 if you find out any parts info would appreciate any info thanks

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bill jones

04-08-2006 10:50:08

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Re: Re: Hefty - g tractor engine trans info in reply to lane , 01-02-2006 11:00:30

Hi-
I also have a Hefty A-616 tractor /backhoe. Did you ever get any info from anyone. I'm looking for a manual or anything with info one it.
Thanks -
Bill

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Larry from MD

10-29-2003 05:04:04

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Re: Hefty - g tractor engine trans info in reply to Kevin Griffin, 10-28-2003 12:04:16

I have some old books with some info,what do you need?Engine HP,make?

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Kevin Griffin

10-29-2003 08:28:34

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Re: Re: Hefty - g tractor engine trans info in reply to Larry from MD, 10-29-2003 05:04:04

I need dimensions etc. on the 27 hp continental engine and gear ratios for the HAXco transmission. I am a student doing senior design project with others working on proposal to upgrade 2 of these tractors to diesel engine, new transmission, etc. Anything you have would help greatly.

Thanks

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john watkins-illinois

01-11-2004 08:53:39

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Re: Re: Re: Hefty - g tractor engine trans info in reply to Kevin Griffin, 10-29-2003 08:28:34

I have a hefty A616.would like to hear from someone.I need a service manual and parts book.please help.

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Larry from MD

10-29-2003 09:18:30

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Re: Re: Re: Hefty - g tractor engine trans info in reply to Kevin Griffin, 10-29-2003 08:28:34

well the engine is a con.r800-46,hieght 24.1,width 18.5,lenght 20.61 all in inches.Wet sleeves and overhead valvesand can make 38 hp at 5000+ rpm.In the tractor its goverend to 27hp and 3300rpm.The tractor is 6 speed slideing gear trans.Final drive is spur gear. There is no amount of gear reduction listed.6 inch clutch for main drive and electric for the pto.

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Ollie

10-30-2003 04:06:17

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Re: Re: Re: Re: Hefty - g tractor engine trans in in reply to Larry from MD, 10-29-2003 09:18:30

Seems like the Teledyne-Continental engine they used was originally the Renault Dauphine engine. Blocks still had the R in a diamond cast into them. Dauphine had 32 hp from 845cc, Gordini's (hot setup) got 40 hp out of the same 845cc.

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Kevin Griffin

10-30-2003 05:55:07

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Re: Re: Re: Re: Re: Hefty - g tractor engine tran in reply to Ollie, 10-30-2003 04:06:17

Thanks, I'll do some research.

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