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CAT Track Loader
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Loosely based on a CAT brand loader. I built it I while ago, but just bought a camera yesterday. Two XL motors, 6 rams.
About this creation
















I'll most likely take the pneumatic parts off this thing and replace with 2 linear actuators and a log grapple. Even with 4 handpumps (w/out springs) powered by two XL motors via the lego train power regulator the rams still aren't very strong, or precise. The long black hoses are from ilego on eBay-great stuff. This machine is geared a little lower than my red tractor, so it's pretty stout at pulling/pushing. Thanks for looking!!



Comments

 I made it 
  March 3, 2010
Quoting Sam McLernon How were you able to connect two separate pneumatic pistons to each other on the main arm?
It's part number 4267463. You can get them at bricklink.com
 I made it 
  March 3, 2010
Quoting Sam McLernon Man I drove a CAT 953 when I worked excavation. Your model is spot on. It looks like I could climb in right now and turn the motor over. Excellent, how long did it take you to design and build roughly?
I spent probably a week on the chassis.....getting the geometry right for the cylinder that tips the bucket was a pain though.
  March 2, 2010
How were you able to connect two separate pneumatic pistons to each other on the main arm?
  March 2, 2010
Man I drove a CAT 953 when I worked excavation. Your model is spot on. It looks like I could climb in right now and turn the motor over. Excellent, how long did it take you to design and build roughly?
 I like it 
  December 4, 2009
Very nice MOC! I like CAT machines too! It looks very realistic with the pneumatics.
 I made it 
  September 2, 2009
Quoting ethan kelly how do you make the wheels
The rear wheels? =the cogs from the 8275 bulldozer, and a round 2x2 with the smooth plate on top. Let me know if this is what you're asking about, thanks.
 I like it 
  September 2, 2009
how do you make the wheels
 I like it 
  August 6, 2009
nice frame
Riley Duff
 I like it 
Nico71 -
  January 18, 2009
nice, very good , I prefere the Arm in studfull design bu it's not a problem, god job ;)
 I made it 
  January 18, 2009
Quoting craig lewis d, upon reading that your pneumatics aren't very strong, and the pumps you're using, may i suggest using 2 small pumps out of phase running off pulleys and 24 tooth gear, please see my page for pictures and details. please also see this website: http://www.fifth-r.com/cssoh1/compress.htm
Ahh, I'll have to try it with smaller pumps.(No tengo) Those radial compressors are quite impressive. Thanks for the tip!
 I like it 
  January 17, 2009
very good, upon reading that your pneumatics aren't very strong, and the pumps you're using, may i suggest using 2 small pumps out of phase running off pulleys and 24 tooth gear, please see my page for pictures and details. please also see this website: http://www.fifth-r.com/cssoh1/compress.htm
 I like it 
  January 8, 2009
Wow! looks real!!
 
By Riley Duff
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Added January 7, 2009
 


LEGO models my own creation MOCpages toys shop CAT Track LoaderTechnic


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