International Harvester 544 686 544 1586 & Hydro Series Tractor Operators Maintenance Manual Trade operation repair manual every aspect of Service covered Trade Plant Hire Book is good for All Harvester 544 686 544 1586 & Hydro Series Tractor A Massive manual 100+ digital pages instant download Please Note I also have the Workshop manual listed on TBTBTB in my files domain Instant Download Dont forget to download the Free Demo ( Click on Preview )it contains Free Manuals Download Links Product Catalog and Manuals Lists. **************************** ** LOTS OF FREE DOWNLOADS ** ****************************