Service / Repair Manuals - Owner's Manuals - Sales Brochures - Parts Manuals. Item: Caterpillar Wheel Tractor / Scraper F actory Service Manual. Year/model covered: Caterpillar 623B Tractor / Scraper [serial #s 46P1-up; 61E1-up]. Contents: engine, power train, systems, disassembly-assembly; lube-maintenance. This is the original factory issued paper manual.Number of pages [approximate]: 1000+. Binding: appro 25 individual manuals in Cat binder. Condition: Used/information complete and legible/ used condition. The item "Caterpillar 623B Tractor Scraper Shop Service Repair Manual" is in sale since Saturday, November 3, 2018. This item is in the category "eBay Motors\Parts & Accessories\Manuals & Literature\Other Repair Manuals & Literature". The seller is "turningleaf565" and is located in NV. This item can be shipped worldwide.