CAT D11 - The EPIC Story of an Awesome Machine | Full Documentary

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From Wheels to Tracks. Caterpillar and their D11; all about Dozers and their impact. The documentary on the CAT D11 and more.

In todays video we are proud to show you weeks of work in what is a FULL DOCUMENTARY on the Caterpillar D11 bulldozer. From the very first days of the Caterpillar company and their history, to the modern-day application of the mighty D11, this video covers it all.

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Hey everybody! We just released a new documentary about Liebherr's cranes. If you'd like to check it out, just click the link below!

LordGizmo
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This was a good video of the bulldozer history and the mechanics of the elevated sprocket tractor current design. I was transferred to the Cat Track Type Tractor D10 design section from Cat Defense Engineering in 1976. Working as a draftsman engineering technician on the first production elevated sprocket D10 tractors, I remained in that division until I retired in September 2000. During those years, I recall doing changes and designs for production issues, assembly issues, and components. I redesigned the prototype fender to be more narrow and bolted to the rear drive case casting instead of being welded. We added skid plates to the top of the fenders and hand rails to the ROPS base. I designed the first fire suppression to be provided as an option for the tractors. I redesigned a final drive bevel gear that had a spacer plate to be a single part. I designed a ROPS base to provide a mounting for the cab and also a cross member with a mount for the cab and a firewall. This eliminated a support frame for the cab and reduced shake motion felt by the operator. I designed a pair of housings for the drive shaft to go into the rear drive case to provide lube to get to the bearing needed for that entry. In 2000, I was transferred to the pipelayer design group. We designed a machine with a hydraulic lift cylinder and a counterweight that opened like a door that did not go into production due to the hydraulic cylinder allowing a "drift" that did not keep the pipe from moving slightly, that is necessary for welding the pipe joints. I later worked on Custom Shop tractors, mostly land fill machines, that required modifications to keep wire and other debris from entering the engine area and the sprockets. We also designed and built pipelayers modified with engine and hydraulic tank heaters for use in Siberia operating on the permafrost at temperatures around minus 40F. Some readers will know that bulldozers are the Cat product most identified but there was a huge range of equipment, engines and transmissions that evolved from the beginnings of the Holt and Best merger that became Caterpillar. I hope this is interesting to the gearheads/designers, factory planners/assemblers and will add a link to a few of the remaining designers and technicians from the Cat Track Type Tractor engineering people I have contact with.

edwarddentino
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Think of what Marvin Heemeyer could've accomplished with one of those.

georgemallory
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There is something primeval about the D11. Its very impressive and intimidating at the same time. This machine has literally changed the face of the earth.
Its a massive animal.

peanuts
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Enjoyed the look at the D11. I had a great experience back in the 60's when CAT was trying to upgrade the D9 into a bigger machine. They built the SXS D9's with a 20' blade across the two D9's. I got to drive one at a strip mine in west-central Indiana. They were spreading topsoil back on the spoil banks after they
were leveled. The operator sat on the right machine. The machines were connected by 64 wires that transferred the control inputs made by the operator. It was a little light in weight to handle the 20' blade but with finesse it worked pretty good. WOW what a

danielpullum
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Fabulous. Spent some years up hill and down hill clearing and leveling, cleaning and harrowing, land development, on a D6C and memories of that season will always remain. Magnificent machine.

wildcolonialman
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as some one that knows nothing about heavy equipment i just have to say cat makes the most beautiful equipment out there. if i had a dollar for every hour i spent sitting on the side of a hill watching cat two engine scrapers being pushed by cat D10 s i would be rich. i have been watching cat machines working all my life, from a little boy selling lemonade to the operators, to working for a rail road as an electrician maintaining cat generator sets and locomotives, to now retired at 75 looking on the internet at them. i still get goose bumps seeing and hearing the roar of power from that screaming engine under load and the ground shaking under there massive weight . i love it and now seeing them being put together is just great. thank you for this video,

wayneheigl
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i rode a D65 E kamatsu dozer straight off a 35 to 45 feet inverted rock vertical. landing on 2 light loads of topsoil that i pushed off a minute before under that load was solid rock. wearing no seatbelt, i was equipped with a ROPS that got bent down to the operators seat. the tractor turned over 1 time and landed on it's top, then sprung back over on its tracks. the dozer was running wide open and in second gear and wasn't moving, except for the oil that was blowing out of the turbo that was separated. what my injuries were: a severely burnt palm of my left hand ( had to of been from the smoke stack quite a ways away from the operators seat, my back had scratches around my belt line. my face and forehead was pack in dirt. no injuries that kept me from getting back up on the hill on monday, it happened on a friday. i was attemting to leave a pile at the edge of the top and then to push it off with the next load, the owner of the company was standing far enough back to start waving me to push it off, i did and nearly crapped my drawers when i sluffed of the dozer blade. i backed up and pushed a second load also starting to back up, and owner was waving me to push it off i did and when i put it in reverse, i must have hit 2nd or in between gears if it's possible, and let off the decelerator and it was in slow motion going forward by the click of growsers or what the track cleats are called, "click, click click slower that 1 second intervals and as the idlers were nearing the edge i froze and squeezed the clutches while screaming "im gonna die" over and over. i was 18, iwas the loudest and roughest thing i've ever been in. i had to of missed me by inches, i ran out of the dust cloud and went up to owner and said "well it doesn't look like you need a operator like me, he said he couldn't believe i wasn't dead, and he ran up and shut the dozer off. i had never worked in the hills before, only in the flat lands with fills no more than 5 ft, pulling a vibratory sheepsfoot. and if you want to change directions, you didn't need the brakes because the roller stopped the tractor immediately. to have corrected the fall all i had to do was put my foot on the brakes. i didn't know about that. monday moring a 988b was loading 40 an hour the owner said if i don't get up there, i might develop a fear for hills and never be able to do it again, and i wouldn't get less than 4 piles away from the top edge, the insurance totaled the dozer and the loaner dozer from kamtsu was with street pads and a four in 1 bucket, with no seatbelt. but brand new tractor and rops of course it was around 1979. i went on to a full career running scrapers, 666's 657's, 637 was my specialty, rough but they'd go anywhere. . in the hills of sounthern californa iuoe, didn't file any kind of injury lawsuit, the owner took me to the hospital and in a couple of hours i was getttin a ride back to my truck. sittin in a deep seat, both feed flat on the floor with a far away look, i was a dirt diggin mofo.

buckwheat
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I was a D11 operator for 11 years, such a smooth machine . I pushed coal on a coal yard. I turned a d10 T2 over on its side on the side of a coal pile and was able to turn it back over without any help !

rogieru
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I’ve worked on both crawlers . Cat. Is by far the best . This goes back to the early. 70s . Some may like komatsu . Run em a while then decide

charlesroer
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Caterpillar has to be one of the top five greatest companies EVER !!!!

YKW
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Thank you for this video. My STOCK in CAT grows each month even when the Market is going Down hill. My Personal Machine is a 1978 Dynahoe-190 BE. That CAT bought out that 100 booming years Company. I am so happy with what CAT is doing for the Future. They are so Advanced in development.

rp
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Not sure where the bulk of the footage was gathered but I can tell you @12:00 into the video I was operating W88 last week in QLD Australia. These are also our dozers @14:06 and our autonomous control center. W88, W92 are a part of our 8 dozer push fleet.

DynamixGTR
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​Before the Caterpillar D11 becomes the world largest Bulldozer, it was the Komatsu D575A-3SD who was holding the title till it end production in 2012

kelvinkhoo
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Even though this seems more like a infomercial for Cat, it was very interesting and informative.

Edsrandomthingschannel
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Ran a D11 N for ten years it was a great machine.

natcalverley
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I found the reason for Cats success is the quality of the steel they use and cat8 bolts in every joint. Especially the fluid filled track units. When overhauling the cat tracks you saw the quality in every part that l think it’s the reason they continually last
Longer than other tractors. Also spares and service is good which ensures longer life of your machine plus the fact their still working while other makes haves disappeared.

williamelliott
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An "S" blade is a "Straight" blade, the blade your showing is a "Cushion" blade for push loading scrapers.

RomeKG
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Lord Gizmo... Excellent, very professional.. D 11, what a machine.. It will almost scare me, to see Cat's next generation of dozers..

garytanger
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Incredible the technology and he pure, brute strength of this magnificent machine. We can be PROUD; made in America.

georgespalding