GIANT OF THE EARTHMOVERS
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Year Published: 1950s
Creator: erpi
Format: 16mm
Description: Giant Of The Earthmovers is a 1950s Caterpillar film that highlights the company’s new bulldozer tractor, the Caterpillar D9. A Caterpillar salesman pulls his car up in front of his office. Inside, he addresses the camera as he talks about the new D9 earthmover (01:10). A D9 operator stands on a D9 tractor (02:20). The operator demonstrates the control panel and the adjustable seat. The salesman and a client of his watch the D9 move earth. The operator easily steers the D9 as he maneuvers the tractor around the work site. There is a good shot of the wheels and tracks of the machine (06:00), followed by footage of the operator making a ditch cut by tilting the blade (06:20) using its hydraulic tilt cylinder. A D9 tractor pulls logs during a logging operation, winching the logs into position (07:07). A D9 equipped with a torque convertor pushes a scrapper (08:30); another bulldozes dirt. A D9 with a modified straight blade pushes coal at a coal plant. There are several shots of D9s bulldozing, pushing scrappers, and hauling logs before the promotional film concludes with the salesman back in his office talking about the D9. The Caterpillar D9 is a large track-type tractor designed and manufactured by Caterpillar Inc. It is usually sold as a bulldozer equipped with a detachable large blade and a rear ripper attachment The D9, with 354 kW (474 hp) of gross power and an operating weight of 49 tons, is in the upper end of Caterpillar's track-type tractors, which range in size from the D3 57 kW (77 hp), 8 tons, to the D11 698 kW (935 hp), 104 tons. The size, durability, reliability, and low operating costs have made the D9 one of the most popular large track-type tractors in the world. The D9 is a series of heavy tracked-type tractors, propelled by Caterpillar tracks and usually used as bulldozers. The series began in 1954 with a prototype tractor called the D9X. Ten D9X prototype models were built in 1954. In 1955, the 286 hp (213 kW) D9 was introduced to compete against the more powerful Euclid TC-12. The D9 came equipped with a 1,473 cid D353 which powered the D9 right up until the 1980 introduction of the D9L. In 1956 the D9 had its engine power raised to 320 hp (240 kW). The new 335 hp (250 kW) D9E replaced that model in 1959. Two years later, in 1961, the legendary 385 hp (287 kW) D9G was introduced, that remained in production for 13 years. Over its 13-year life the D9G became the main crawler on many job sites, testifying to its sturdiness and design.
Transcription
[Music] [Applause] had a wonderful day today one of those days that well it just makes you glad you're in this business why am I so enthused well I'll tell you it's that D9 man what a tractor they call it the giant of the earth movers and there are plenty of reasons why they do too I've never seen any other machine do as much work so fast and so well by whether the D9 is busy stockpiling materials moving them along to where they'll be needed or pioneering an Access Road in some remote Timber stand or push loing scrapers up in the cut more and more of the prospects that I call on are realizing the terrific profit potential of the D9 let me tell you about a prospect that I called on today now this fell wasn't quite convinced that there was a place in his spread for the D9 the pr ECT is Jeff Wilson he's a highway building contractor a fellow that really knows his equipment so I took him out to a nearby job where we could see the D9 firsthand in operation after checking with the owner we located the rig it was a new one recently delivered and it was busy on a bulldozing [Music] job I told the operator that his boss said it would be okay if he took the time to show us his new machine you could tell that uh he liked it the proud way he showed it off well first the operator checked Jeff out on the controls what each one did why they were placed where they [Music] were I told him that hydraulic assistance for the steering clutches the master clutch and the brakes made operation just as effortless as on a smaller tractor controls for the starting engine and a 6volt electric starter are easily reach from the operator's [Music] seat a single lever engages both the starting pinion and the starting engine clutch and the diesel can be cranked just as long as necessary in fact cranking warms the Diesel's oil water and intake air for easier starting next I wanted to make sure that Jeff knew how the D9 had been built for easy handling so first of all I pointed out the many advantages of the big roomy seat and how it contributes to ease of operation on the D9 an easily accessible lever adjusts the seat back or forward to attain proper arm length for operating the controls and by rotating the knob the seat can be positioned for the most comfortable tilt also four cap screws govern raising or lowering the seat to the desired height then the operator told Jeff that he was well pleased with the excellent visibility characteristics on so large a machine forward visibility is unhampered Ed on the left side and without having to move from his normal operating position the operator has a clear view past the tapered hood on the right side the operator was anxious to show what his machine could do so he went back to work and we went along to watch here was my chance to explain to Jeff the many advantages of the D9 load shaped bulldozer the shape of the blade tends to keep the material centered as it's moved along to where it's [Music] needed I pointed out how the modified U shape of the blade meant less spillage in carrying the load now on dozing jobs where an unusual amount of shifting is required the durable oil clutch pays off in lowcost operation easy adjustment of The Idler assembly is another new design feature incorpor operated in the D9 an ordinary hand operated grease gun is all that's needed to obtain correct tension of the track chains the hydraulic system does the rest steering ease for the D9 operator has been assured a turn is accomplished with as little effort as on a smaller tractor and while the operator retains the feel of the levers boosted controls mean that he need exert less effort to operate them an important point in continued rough going the steering clutches have metallic facings to handle heavy torque the self- energized air cooled brakes have thick long-wearing Linings in rough goinging such design features as the oil inase double recoil spring pay big dividends the two large-sized recoil springs are carried within a sealed oil fil compartment which keeps rust and dirt from shortening their [Music] life when the operator began to make a ditch cut it enabled me to talk about the features of the hydraulic tilt cylinder the operator tilts the blade to any desired cutting position by merely operating a handy lever no need to get off the tractor believe me the load shaped bulldozer design and the advantages of the hydraulic tilt cylinder went a long way toward convincing Jeff Wilson that here was a machine capable of tremendous work capacity after watching the D9 work I drove Jeff back to town and we stopped at his office but on the way I had a chance to tell him about some of the other applications on which the D9 was working in logging for example the D9 is a machine that sets new production records at lower unit cost on practically every job it [Music] tackles hauling huge payloads of logs over rough terrain has made easier because of the tremendous power of the turbocharged D9 [Music] tractor winching the really big ones into position with an available line pull force of up to 76,000 lbs makes the D9 a truly high production logging tool doing rugged pioneering work deep in the forested country is a job the D9 was built to do [Music] on logging jobs too big and too rugged for other machines the D9 is proving itself every day as a New Concept in Earth moving equipment that pays off in higher work capacity at lower unit cost probably the most popular evidence of the d9s unmatched power and workability is displayed in push loading applications the D9 equipped with a torque converter makes short work of securing heaping payloads even in the toughest going contractors have long advocated push loading their scrapers for reduced cycle times and increased profit and the D9 high production on this kind of work clearly puts it in a class by itself the bulldozer equipped D9 generally a direct drive machine enables the tractor to utilize all of its massive power in digging and pushing huge payloads of dirt before [Music] it for example in stockpiling operations the modified straight blade bulldozer makes the D9 a machine that can move huge quantities of material along to where they're needed the turbocharged D9 tractor is the product of Caterpillar tractor company's years of manufacturing knoow in the field of research and Engineering thousands of manh hours of planning and testing have gone into its building truly the D9 today bigger and more powerful than any crawler tractor before it is a machine with which Earth moving people can get the really big jobs done faster better and cheaper than ever before that's why I'm so enthused about this D9 tractor the biggest and the best in the business oh say I almost forgot Jeff Wilson did buy a [Music] D9
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Original permalink · Record added: 2025-01-23 16:39:14