The JIC Silage Chopper/Blower features a hopper and attached blower pipe, typically requires a 540 RPM PTO drive,The JIC Bedding / Silage Chopper/Blower features a hopper and attached blower pipe, typically requires a 540 RPM PTO drive, dimensions approximately 5 x 4 x 6 feet (1.5 x 1.2 x 1.8 meters), weight approximately 600 lbs (272 kg), constructed from metal and plastic.