The Skytrak 8042 and JLG 943 have a boom height of 42' - 43' and an 8,000 lb lifting capacity. This extremely heavy duty material telehandler will get the toughest lifting jobs done right. With a 4 speed forward and 3 speed reverse modulated transmission, the 8042 Skytrak can travel up to 20 mph. The boom takes approximately 15 seconds to do each of the following functions: extend, retract, elevate, and lower. Also known as a Pettibone, Lull, Telehandler, JCB, Gradall, Petebone, petty bone or pettybone or tell handler or skytrack or petibone or telescopic tellehandler or telehanler or pettebon or pettebone or Telahandler or construction Tellahandler or peddybone or a forklift crane or all terrain forklift or off road Extreme or Xtreme or material handler or rough terrain off road forklift.