Sprocket & bellows seal installation 1939 Caterpillar D4 "Lil Lefty" 4G9986 Episode #48
With the new tool to install the sprockets built, it's time to press them on! We also install new bellows seals with a modified spacer. Overall, progress continues on the 1939 Cat D4 agricultural crawler. 4G9986 "Lil Lefty" has never been so much fun and fulfilling. I hope you enjoy the shop talk, banter and commentary. Thanks for watching! Regards, Aaron & Greg "The cleaner" LAOL P.O. Box 395 Keenesburg, CO 80643 Episode #48 #caterpillar #tractors #colorado #family #corel #mechanic #history #repair #rebuild #agraculture #tools #gopro #welding #dozer #colorado #highwayyellow Used gopro and corel editing software in the creation of this video.

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