Bulldozer Specification
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- Use same frame as LifeTrac with modifications
- Use 4 Power Cubes for 128 hp of tractor power
- Use 2 Power Cubes per side to simplify hydraulic plumbing requirements
- 3000 psi hydraulic system pressure
- Cushion Valve on each wheel
- 15,000 inch pound hydraulic motor on each wheel
- Each wheel has 5-fold gear reduction via Jackshaft
- Jack shaft uses heavy chain and sprockets
- Number of jackshafts is 3 for the gearbox; oil-enclosed gear box
- 30 gpm quick couplers on motors, valves, and cylinders
- Use metal wheels as in Traction Engines
- 30" diameter wheels, can be as wide as required to achieve desired traction
- Use 4-flange pillow block bearings with quick-disconnect wheels - see Quick Connect Wheels strategy for LifeTrac
- Use 3" shaft
- 3" bearings - https://www.surpluscenter.com/item.asp?item=1-215-48-4-C&catname=powerTrans
- 4 wheel drive
- Must use bolt-through wheel attachment to shaft as in LifeTrac, u
- Complete materials cost estimate of under $16k in materials, not counting
=Challenges+
- Low cost ($20/linear foot for jackshaft [x3], sprocket for #100 chain - , chain - $5/foot or 9 feet total