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AC 715 or 816 Backhoe questions |
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Eric[IL]
Orange Level Joined: 14 Sep 2009 Location: Illinois Points: 485 |
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Posted: 23 Sep 2009 at 3:54am |
I have been looking at both the AC 715 & AC 816 Backhoes for about a year now. If these are good solid units, I would like to acquire one in the next year or two? There seems to be more Case 580s and Deere 310s available, but not too many of these ACs. I have ran a Case 580 before, but I have never ran either AC machine. Is there anything on the ACs that a guy needs to watch out for? Are the cabs convenient or a nuisance? Which is the better model - 715 or 816? I would like to use it for field tile repair, shed building foundation work, & pond digging. I see where a 816 weighs 15,500 lbs. What does a 715 weigh?
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41572 |
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I have a 1982 / 715B-D with full cab/ROPS and Dig-More extenda-hoe. I have liked the machine as it is quick response on the hoe and has plenty of power on the bucket. Visibility is a small problem on loader but one gets use to where the bucket is. The 715 has around 70HP.
The hyd pump on the 715 is mounted to a cast aluminum plate on timing cover and unless it has another update kit or support has a tendency to crack that housing. With a 4sp trany and shuttle it is fast for loading and seems to have plenty of power. Roads at good speed but on mine it wanders some when driving fast, the full hyd steering is good otherwise.
AC machines were few and not popular as dealer network was small, the price on units should be well below a Case or Ford. When I bought mine it was like $5,000 less than a 555 Ford of same condition.
Wear on any hoe or loader is a problem , watch the pin and bushing areas for excess slop. I have rebushed my loader once and on hoe some twice. Broke one swing cylinder, and cracked loader frame on both sides using it in below 0 on snow removal.
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful." |
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Dave A
Orange Level Joined: 11 Sep 2009 Location: Almond Wisconsi Points: 855 |
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I have a 816. like it was talked about in the first post. Loader frames we not plated good enough. mine has been welded and it is hard to judge loader draft and pitch. Lots of power at the loader and hoe. I have fair tires and it still has a little problem with getting stuck. just be the waight and sand. I have a motorola altenator will be putting a delco system in. The stearing will wounder when the machine is bouncing around. I gave $5300 for the one I have and think it is a fare price.
Edited by Dave A - 23 Sep 2009 at 5:20pm |
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andytutd21
Bronze Level Joined: 13 Sep 2009 Location: Economy IN Points: 19 |
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I have never ran an 816. I own a 918 and have used a 715 B. It took a little time to get used to the bucket on the 715, but after awhile it was okay. The 715 dug well and seemed a good machine. I have fist opportunity on it when the present owner retires.
My 918 is a lot bigger machine. It will easily dig 18ft. deep and will carry well over 7000lbs. in the bucket. Has enough power to act like a small dozer, but gets stuck in the mud fast. Lots of weight for a two wheel drive machine. I bought the 918 because it was rare(they only made about 300), and it does well, but is a little too big. It doesn't have any patches, was plated well, if anything it is overbuilt. I think you would be better off with the 715, nice size, fast, and good maneuverability. Edited by andytutd21 - 24 Sep 2009 at 7:57am |
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41572 |
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After running the 918 and a 715B, I chose the 715 as it did manuver better , and 1yard bucket works fine, the 1 1/2 yard on the 918 , along with it's size make it great for big jobs but most times it is overkill.
The extenda-hoe on my 715 will dig to 17 1/2 feet .
One thing with the hoe on the 715 you can lift the full tractor and swing the back end over on the boom to reposition the tractor on firm ground. Have done that many times of using hoe to pull self out from stuck position. 715 has a axel lock below the seat pedistal to lock both rear wheels. The Perkins engine has plenty of power, and the 22000 engine in the 918 seems a little overkill.
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful." |
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andytutd21
Bronze Level Joined: 13 Sep 2009 Location: Economy IN Points: 19 |
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Coke,
I agree the 918 is bulky. It will also pick its rear up and move it out of mud like the 715, just not as easily. No differential lock though, sorely missed. I have a hoe on HD-4 that I seldom use, would like to sell it to someone, I remember you had bad experiences with your 4. My 6 way dozer 4 does well but it is on street tracks, so it is limited as a finish machine. |
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1984 8070 ps fwa, 1969 D-21, 1965 D-21(puller), 1968 190 XT, WD-45, Gleaner L, I-40 loader, TS200 Pan, AD-3 Road Grader, 918 Backhoe, HD-4 6 way, HD-4 loader, HD-7G, HD-11, HD-21
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Dave A
Orange Level Joined: 11 Sep 2009 Location: Almond Wisconsi Points: 855 |
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would be great if this site would start up a picture page with old and unusual allis's. That way, if a guy would see something sitting around. He would know what it is.
Edited by Dave A - 24 Sep 2009 at 7:51pm |
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41572 |
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Yep I still have the 615 hoe (14 ft.) off the HD4 I had , as I had a 4 loader it was a little more balanced wit hbuck of material but when hoe was off machine it became front heavy without counter weight.
The hyd cylinders from the 615 hoe also fit onto the 715 hoe and I am now using one there as had a cylinder cap blow off.
bucket would not interchange as the 615 used 1 1/4" pin and the 715 is 1 1/2"
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful." |
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nickia
Orange Level Joined: 11 Sep 2009 Location: alden iowa Points: 785 |
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coke have you ever put in a seal kit in any of your cylinders on your 615? are the rams the same size as on a 715? any idea on where to get a seal kit? Nickia thanks
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41572 |
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Yes , resealed or rebuilt all the cylinders. The dipper cylinder is the same size but the shaft size on the 715 is smaller. Boom was the same, I bought most parts from hyd shop localy as they are std. industry sizes. I had chips in the piston on dipper and had shop replace the cast iron piston with aluminum one. I needed one end gland for that cylinder and I got that form MINNPAR as they stocked all parts. The hyd shop was less on repair kits for the seals .
On the 615 AC hoe the swing motor is a Cesna rotary piston, which was used on MF and few other brand machines.
When I had the HD4 I bought the 0 rings only to rebuild the hyd valve block from MINNPAR, half of price as kits were
Edited by Coke-in-MN - 27 Sep 2009 at 8:50am |
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful." |
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nickia
Orange Level Joined: 11 Sep 2009 Location: alden iowa Points: 785 |
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thanks coke saved me a lot of time Nickia
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Calvin Schmidt
Orange Level Joined: 11 Sep 2009 Location: Ontario Can. Points: 4525 |
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I had a 715 for 10 years and traded for a 715 B with an extend-a-hoe 22 years ago.
I think that it is one of the best two wheel drive backhoes built. This was a working hoe that dug hundreds of silo foundations. Since we sold the farm silo business it has semi retired to farm duty. It has only had minor repairs in 22 years.
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