If I was going to build a small dozer it would definately be hydraulic drive.
On that size machine it is not a big job to change out the tracks. Maybe not but they are not real cheap to rebuild if you have to send them out. If there is oil on the housing inside or out that could mean trouble. If the sprockets for the tracks are worn badly run fast in the opposite direction. The rubber tracks will let you push snow off your hardtop driveway.įirst check the sprokets for wear. The hydraulic drives will be perfect for a bulldozer of that size. I would go buy that bottom end as fast as I could get there. On the mini excavators, the hydraulic drive motors typically are the weak point. You did say you wanted to push light snow or cut shallowly into loose topsoil right? If not, you do not want a hydraulic motor drive, period. They also will not stretch nearly as quickly if you do any amount of real pushing with the machine. Steel tracks last significantly longer, are easier to work on, and have some residual value (scrap) after the track is worn out. Having worked on quite a few rubber tracked machines in the past, I would still rather own steel tracks. I suspect you will come out money and machine ahead doing so. Personally, I would rather invest the money in refurbishing a smaller older steel track machine. I wouldnt see strength issues with using a rubber track machine as the basis, unless you start modifying the rubber track gear. Within minutes of it happening (coincidentally alongside the road), a couple of guys with a Kubota rubber tracked mini excavator came along and simply attached a chain, backed up, and tipped it back upright without struggle. My brother tipped over his Cat 307C last summer - the first "real" excavator Cat makes with steel tracks.
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