Newbee's first post: Duals for 2310D

[buppy69]

I just used 2 sets of adjustable wheels. I dished the inside ones as far in as I could and still clear the fenders. I dished the outside ones all the way out and used longer lug bolts.

Eugene

 

[svcguy]

After this discussion on duals and measuring / photographing my spool extensions for readers, I decided to contact Yanmar themselves and ask about the original intended use of the extensions. I have never actually been able to figure out if they were meant for duals or simply as an extension. (I have been told both by many different people through the years). Since I own a North American YM240D and provided my serial number, they were very helpful in offering the following information concerning this original, optional equipment for the YM240D:

An engineer at Yanmar confirmed these were manufactured as axle extensions and were not actually designed for dual wheel application. They were meant to extend the axle for tractor stability and told the YM240D was engineered to use them where needed.

While the YM240D did not originally come with ROPS, it was also confirmed that a catastrophic failure of an axle would result in a flop or roll over. They encouraged anyone with any Yanmar tractor (not just a 240) to add ROPS if not originally equipped with it (after experiencing a roll over, I didn't need the encouragement). They were not aware of these extensions resulting in failures but did acknowledge they create additional (engineered for) stress on axles.

Don't know if this is of any interest to anyone else, but thought since they actually got back to me it would be worthwhile to post a Yanmar opinion on this.

 

[LMTC]

After this discussion on duals and measuring / photographing my spool extensions for readers, I decided to contact Yanmar themselves and ask about the original intended use of the extensions. I have never actually been able to figure out if they were meant for duals or simply as an extension. (I have been told both by many different people through the years). Since I own a North American YM240D and provided my serial number, they were very helpful in offering the following information concerning this original, optional equipment for the YM240D:

An engineer at Yanmar confirmed these were manufactured as axle extensions and were not actually designed for dual wheel application. They were meant to extend the axle for tractor stability and told the YM240D was engineered to use them where needed.

While the YM240D did not originally come with ROPS, it was also confirmed that a catastrophic failure of an axle would result in a flop or roll over. They encouraged anyone with any Yanmar tractor (not just a 240) to add ROPS if not originally equipped with it (after experiencing a roll over, I didn't need the encouragement). They were not aware of these extensions resulting in failures but did acknowledge they create additional (engineered for) stress on axles.

Don't know if this is of any interest to anyone else, but thought since they actually got back to me it would be worthwhile to post a Yanmar opinion on this.

I added the bolding in the above quote. That is very interesting. Did you ask them where one would get an OSHA approved ROPS for a YM240 these days? It has been my understanding for some time that they no longer supply them. Perhaps I am mistaken.

 

[MJPetersen]

Most of the dealers on this forum carry ROPS for the 240 and most other models. For example Little Miami Trading Company - Compact Tractors

Mike in Warsaw

 

[royeakins]

After this discussion on duals and measuring / photographing my spool extensions for readers, I decided to contact Yanmar themselves and ask about the original intended use of the extensions. I have never actually been able to figure out if they were meant for duals or simply as an extension. (I have been told both by many different people through the years). Since I own a North American YM240D and provided my serial number, they were very helpful in offering the following information concerning this original, optional equipment for the YM240D:

An engineer at Yanmar confirmed these were manufactured as axle extensions and were not actually designed for dual wheel application. They were meant to extend the axle for tractor stability and told the YM240D was engineered to use them where needed.

While the YM240D did not originally come with ROPS, it was also confirmed that a catastrophic failure of an axle would result in a flop or roll over. They encouraged anyone with any Yanmar tractor (not just a 240) to add ROPS if not originally equipped with it (after experiencing a roll over, I didn't need the encouragement). They were not aware of these extensions resulting in failures but did acknowledge they create additional (engineered for) stress on axles.

Don't know if this is of any interest to anyone else, but thought since they actually got back to me it would be worthwhile to post a Yanmar opinion on this.

Did Yanmar say if these were still available? Could they be used for duals?

 

[svcguy]

Yanmar did not mention if these extensions were still available. Unfortunately, I did not think to ask.

When talking with the Yanmar rep, he mentioned I could ask Yanmar in British Columbia to quote on a ROPS. I cannot comment on if this would be successful or not, as I have not contacted them. ROPS are available from many of the retailers associated with this site, and the YM240D is advertised as available with a number of them.

As far as duals are concerned, I cannot see why they would not work, although this would place the outer wheels farther out from center than what they would have been designed for. Because of being supported by the inner wheel, I would not think this would pose a problem except in the rare instance that only the outer wheel was in contact. The Unverferth site advertises the same type of spool extensions for tractor duals, and manufacture both standard and custom sizes.

If I wanted a set of extensions, I would make them. Manufacturing the spool extensions would make a good project for someone confident with their welding and machining skills. I would think one would want to face or mill them when finished, as mine are dead accurate from flange to flange.

 

[nebuniram]

Does anybodey on here know if one could order these spacers from Japan? I would really like to get a set and increase the stability of my F22D. Mabey one of the dealers on this forum would know?

 

[svcguy]

I added the spacers on to my 240D. My rear tire width is now 5 feet outside to outside. It gives a nice stable look to the tractor, certainly better than original.

Added a few pictures for anyone who might be interested.

 

[California]

I added the spacers on to my 240D. My rear tire width is now 5 feet outside to outside. It gives a nice stable look to the tractor, certainly better than original.

Added a few pictures for anyone who might be interested.

Your 240D looks good! Thanks for posting the photos.

Here's another way to get 5 ft width. My 240 is 2wd so I don't need to worry about front/rear tire ratios, and it came with separate rim/disc rear wheel assemblies. A previous owner had put on 12.4x24 tires on the proper 11 inch rims, apparently off a Kubota. Overall width is right at 5 ft. The big tires carry more water ballast which is helpful for a 2wd.

http://www.tractorbynet.com/forums/...240-ym2000-pictures-842567-img_6482-ropsr.jpg

 

[svcguy]

California: thanks for commenting, I have actually followed a number of your posts by searching the archives for 240 info. In fact, I am copying your ROPS at the moment from pictures you posted earlier.

My 240 is in pretty nice shape considering the age. It's a 1979 with 860 original hours. All original, although I may consider painting it this summer just because it would be an easy upgrade. Runs really strong, no smoke and best of all came with a 5 foot snow blower. British Columbia is mild, but we get a lot of snow. Not unusual to have 4 to 5 feet in the yard here, so a blower is much appreciated.

You seem to have a good fit for your 240 down South. They seem to be a nice chore tractor, not too big or small. My last unit was a Volvo T800. 100 hp at the drawbar, full cab, air and 1000 lbs of calcium in each rear tire. Was a great puller, great on fuel and a wonderful tractor. Can't say enough good things about it except when trying to turn it around.

I also run an Iseki TU205F with a loader. I purchased it broken in half. I just posted a few pictures of the frame rebuild on the Iseki forum. It's been two years and holding up well.

Really like the 240, but still haven't gotten used to the sound of the two cyl.