So if the machine S/N starts with either 9NC or 2HD then the manual you require is Cat Publication reference SEBU6037. I can’t see anything in the online marketplaces but the manual is available for download from Cat for $52. Just put SEBU6037 in the box and click Search. Cat Publications Online - Order Cat® Parts and Operation Manuals Online Official source for Caterpillar® parts catalogs, operator and maintenance manuals, and service manuals for all Cat machines and engines. Purchase yours today! catpublications.com I can’t access anything online to help you with details of the winch lubricant or how to check it.