A Third Track on a Bulldozer?

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1010 crawler
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Location: Maine

A Third Track on a Bulldozer?

Post by CuttingEdge » Wed Jul 18, 2018 4:42 pm

I have to admit, I never thought of a bulldozer with a third track.

My idea to stop sideways drift while angling the blade on bulldozers was to make the tracks so they could be tilted, kind of how a grader tilts its wheels to stop that nonsense. Obviously this is a MUCH better way.

Equally, I can see putting carbide teeth on the third track chain so that in stumping it would just shred the stump instead of pushing the stump over and having to push it all the way across the clearing. I am not a huge fan of stump grinding in land clearing anyway because what is left often rots down leaving gaps and holes that livestock can step into and break ankles and legs, but burning stumps and pushing into ravines is not always possible. Obviously pushing across a new field can mean really long pushes!

It is an interesting concept, but like anything today, looks EXPENSIVE with the separate engine and hydraulic system driving it. I bet an enterprising person though could cobble together a third track assembly vertically and rig up an engine to power it.

I have no intention of traveling to my grave in a well manicured body; instead I am going to slide into heaven with a big power turn, totally wore out with busted knuckles, jump off my dozer loudly yelling, Woo Hoo, another Shepard has just arrived!

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440 crawler
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Re: A Third Track on a Bulldozer?

Post by psprague » Wed Jul 18, 2018 8:59 pm

I was expecting something more like a Terex TC12, there were several nearby road building when I grew up.

Or a Transformer.

Anyway, that's neat!
JD 450c forestry, JD 440A cable skidder

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Stan Disbrow
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Re: A Third Track on a Bulldozer?

Post by Stan Disbrow » Thu Jul 19, 2018 8:12 am


Yes, those are just what you want when filling miles of pipe trench. :)

For clearing, what you want is one of those huge selfpowered flails hooked onto the blade frame of a D8. ;)

You know the ones the park service uses to blast trails thru the forest. The power companies love them as well. They take trees and make them into a carpet of mulch.

There's No Such Thing As A Cheap Crawler!

Have: '58 JD 420c 5-roller w/62 inside manual blade
Have: '78 JD350C w/6310 outside manual blade
Useta Have: '68 JD350, '51 Terratrac GT-25
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1010 crawler
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Re: A Third Track on a Bulldozer?

Post by notmeu » Wed Jul 25, 2018 3:10 pm

That’s a impressive invention! Now to scale it down to fit on a 420 blade..... 🤔
1956 JD420, gearmatic 8a winch, custom 6 way blade and FOPS.

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