Caterpillar 583H Pipelayer/Sideboom w/ Hydraulic Conversion Package! s/n 61A00019 Full Hydraulic Midwestern Conversion Package s/n 54A3057 Model MC583H. Installed new - 2/06/04 with 2 spd. Load / 2 spd. Boom winches. Emergency safety drop. Your choice of 21' or 25' boom. 80% Undercarriage. Hydraulic Counterwieghts. Excellent California Machine ready to work anywhere in the World! Located in Los Angeles, California $245, 000. Call Tom at Mersits Equipment Rental & Sales LLC (562) 946-1220.