Available in traditional hardcopy and/or as a .pdf download!

Jensales proudly presents the Operator Manual (owner manual) for the Caterpillar 621 tractor (Scraper)[37G1 & UP | 40G1 & UP | 41G1 & UP | 23H2223 & UP]. Every new owner of this machine would have been given this manual by Caterpillar and now you can have one too!
This reproduction manual contains valuable information such as proper operation and preventative maintenance procedures. In most Operator manuals, Caterpillar also included the lubrication points, fluid capacities, tune-up procedures, and minor adjustment information to components like the carburetor, clutch, and brakes.