The Trackpack is a complete hydraulic power unit with boom are and rail trolley, designed to allow the use of multiple work heads without the need for numerous power supplies. A quick change boom allows an easy change over from one head to another, with adjustable counterbalance positioning so the weight on the operator handles never exceeds 3-5g. Power source is from either Honda Gas or Yanmar Diesel engines. All electric start machines have a night light option. All work heads come with Emergency stops and hydraulic hose covers as standard. Inserts and removes clips on both sides of the rail simultaneously