Excavating Contractor; 1922 Volume 16

Excavating Contractor; 1922 Volume 16

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...engine may be operated either from the operator's stand or from ground alongside the rear caterpillars. Steering in curves of large diameter can be accomplished by the swinging of the boom without the steering mechanism. Propelling is accomplished through the front caterpillars. Both caterpillars ma_v be driven together or each one independently, forward or backward. The propelling speed is about half a mile per hour. The tractive power is sulficient to enable the shovel to climb with ease 15 per cent to 20 per cent grades. ' For transportation by rail, railroad trucks may be easily substituted. The Bucyrus Company was the first mannfacturer to equip dragline excavators with caterpillars, over eleven years ago; it was the first to apply this mounting to revolving shovels; the first to mount tower excavators weighing over 200 tons on caterpillars; it is now the first to design and build a caterpillar mounting for railroad-type shovels of all sizes. The mounting of heavy excavating machinery on caterpillars is no experiment with this company. Well over one hundred catenpillar mounted Bucyrus machines weighing from 65 to 220 tons have been sold within the past eight years and are operating with unqualified success. Those interested in obtaining further information may do so by means of the postal card which will be found enclosed in this magazine. A Dollar a Day for Fuel A few months ago the Bucyrus Company announced the addition to their line of products of a gasoline shovel of a distinctly novel and very much improved type, the most revolutionizing feature of which was the ingenious method of operating the thrust without the use of an independent engine mounted on the boom whereby even more power is obtainable than with a steam shovel of...show more

Product details

  • Paperback | 68 pages
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236888014
  • 9781236888013