avalanche protector[′av·ə‚lanch prə‚tek·tər]
Guard plates installed on an excavator to prevent loose material from sliding into the wheels or tracks.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A barrier that prevents loose material from sliding into the tracks or wheels of any type of excavation or digging machine.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.