Elmer transfer tracks
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They seem like a well engineered piece to me. The only caveat to that conclusion is the idlers and rollers do not have rubber coatings, at least on the ones we used.
This leads to a layer of soil about a half inch or less forming on the rollers and idlers that just won't go away. It didn't seem to be a big deal, I just bled off a couple of ounces of hydraulic fluid to lower the tension pressure since we didn't hook up an auto tensioning hydraulic supply line and regulator.
This leads to a layer of soil about a half inch or less forming on the rollers and idlers that just won't go away. It didn't seem to be a big deal, I just bled off a couple of ounces of hydraulic fluid to lower the tension pressure since we didn't hook up an auto tensioning hydraulic supply line and regulator.
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4,395 Posts
This is my closest dealer selling a set
http://www.tractorhouse.com/listings/components/ACDetails.aspx?OHID=83691
http://www.tractorhouse.com/listings/components/ACDetails.aspx?OHID=83691
One thing I should comment on is what direction the tread should turn when putting tracks on seeding equipment. Tracks have been around for a long time but their use on air carts is a relatively new thing.
The general consensus when a lugged tire is in a towed application is that the tire should be mounted backwards. I'm not sure if that thinking is correct in 100% of the potential applications. I think the idea is based in the fact that a wheel's speed when it begins to sink, starts to stall as compared to actual forward speed. Therefore the angled lugs will self clean to the outside based on this slight speed differential in certain soil conditions and assist to keep the wheel from skidding.
With tracks however, sinking is nearly eliminated and the track seems to maintain a near constant speed with forward travel.
This creates a new phenomenon when a tracks tread is mounted backwards and it's towed on wet soil. The only deformation of the soil surface, occurs at the forward contact area as the soil is initially being compressed. This results in the track tread compacting full of soil in the centre area because the V shape in the tread pattern interferes with the soil movement exiting the tread. This compaction into the tread tends to remain bonded in place for a very long time if conditions remain damp.
These are close lugged tracks, leaving more compressed area than relieved area in the soil they travel on. I think it's important to take advantage of as much of that area as possible for each individual seeds survival.
Even though I have seen no compaction emergence issues whatsoever, given the option I think I'd prefer to turn the tracks the same direction as a tractor does!
The general consensus when a lugged tire is in a towed application is that the tire should be mounted backwards. I'm not sure if that thinking is correct in 100% of the potential applications. I think the idea is based in the fact that a wheel's speed when it begins to sink, starts to stall as compared to actual forward speed. Therefore the angled lugs will self clean to the outside based on this slight speed differential in certain soil conditions and assist to keep the wheel from skidding.
With tracks however, sinking is nearly eliminated and the track seems to maintain a near constant speed with forward travel.
This creates a new phenomenon when a tracks tread is mounted backwards and it's towed on wet soil. The only deformation of the soil surface, occurs at the forward contact area as the soil is initially being compressed. This results in the track tread compacting full of soil in the centre area because the V shape in the tread pattern interferes with the soil movement exiting the tread. This compaction into the tread tends to remain bonded in place for a very long time if conditions remain damp.
These are close lugged tracks, leaving more compressed area than relieved area in the soil they travel on. I think it's important to take advantage of as much of that area as possible for each individual seeds survival.
Even though I have seen no compaction emergence issues whatsoever, given the option I think I'd prefer to turn the tracks the same direction as a tractor does!
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233 Posts
Thanks guys, the Aussie distributor got back to me today with a price of about $50000 for a set, so quite similar price to the camoplast setup, none have come into Aust yet but there is a few Elmer bins around they said l could look at even though they are a longer track on the bins,but it would give me some idea what the are like.
what I can't get out of my mind yet is how do the stub axles handle the stress of a 10ft long track twisting as you turn left or right. we've broken a stub axle on a 18t chaser bin before and the extra leverage a track would have over the tyre makes me wonder how long the stub axle would last before fatigue sets in. the distributor tells me this isn't an issue because as you turn one track can 'give in' so it allows an easy turn against the other track but it seems a lot of leverage on the stub
what I can't get out of my mind yet is how do the stub axles handle the stress of a 10ft long track twisting as you turn left or right. we've broken a stub axle on a 18t chaser bin before and the extra leverage a track would have over the tyre makes me wonder how long the stub axle would last before fatigue sets in. the distributor tells me this isn't an issue because as you turn one track can 'give in' so it allows an easy turn against the other track but it seems a lot of leverage on the stub
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