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2. Progress Rail - Wikipedia

   en.wikipedia.org/wiki/Progress_Rail

   Progress Rail Services Corporation (reporting mark PRLX), a fully owned subsidiary of Caterpillar since 2006, is a supplier of railroad and transit system products and services headquartered in Albertville, Alabama. [1] Founded as a recycling company in 1982, Progress Rail has increased the number of its product and service offerings over time ...

3. Friction welding - Wikipedia

   en.wikipedia.org/wiki/Friction_welding

   Friction welding is a solid-state welding technique similar to forge welding. Instead of a fusion welding process, Friction welding is used with metals and thermoplastics in a wide variety of aviation and automotive applications. The ISO norm of friction welding is EN ISO 15620:2019, [2] which contains information about the basic terms ...

4. Caterpillar Inc. - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_Inc.

   Caterpillar Inc., also known as Cat, is an American construction, mining and other engineering equipment manufacturer. [6] The company is the world's largest manufacturer of construction equipment. [3][7][8] In 2018, Caterpillar was ranked number 73 on the Fortune 500 list [9] and number 265 on the Global Fortune 500 list. [10]

5. Caterpillar 797 - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_797

   The Caterpillar 797 is a series of off-highway, ultra class, two- axle, mechanical powertrain haul trucks developed and manufactured in the United States by Caterpillar Inc. specifically for high-production mining and heavy construction applications worldwide. [1] In production since 1998, the 797 series represents Caterpillar’s largest ...

6. Rotary friction welding - Wikipedia

   en.wikipedia.org/wiki/Rotary_friction_welding

   Rotary friction welding (RFW) one of the methods of friction welding, the classic way of which uses the work of friction to create a not separable weld. Typically one welded element is rotated relative to the other and to the forge (pressed down by axial force). The heating of the material is caused by friction work and creates a permanent ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Caterpillar D9 - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_D9

   The D9, with 354 kW (474 hp) of gross power and an operating weight of 49 short tons (44 t), is in the upper end of Caterpillar's track-type tractors, which range in size from the D2 69 kW (92 hp), 9 short tons (8.2 t), to the D11 698 kW (935 hp), 104 short tons (94 t). The size, durability, reliability, and low operating costs have made the D9 ...

9. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   Oxy-fuel welding torch (commonly called oxyacetylene welding, oxy welding, or gas welding in the United States) and oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline or petrol, diesel, biodiesel, kerosene, etc) and oxygen to weld or cut metals. French engineers Edmond Fouché and Charles Picard became the ...