Here is an excellent machine with plenty of really nice features.
*Recently rebuilt Detroit Deisel 471
*A-B counterweight
*130' of tubular, pin boom with pennant lines
*Hydraulic expandable tracks
*Independent swing and travel
*Third drum
*Hydraulic swing & travel!
*Tagline winder
*Capsule Cab
*Power Load Lowering on the boom hoist and one drum
*Hydraulic Counterweight lowering device
*Air Operated controls including throttle
*Telescopic boom stops
*Retractable rear high gantry
Currently located on the upper east coast.