Parts Catalog
for Allis Chalmers
Model HD-21A Crawler Tractors
Covers Serial No.
Effective with S/N 12801
Complete Parts Manual
Covers entire machine, all parts
See Pictures for Complete Table of Contents
This comprehensive manual includes
260 Pages
Parts Numbers
Parts Names
Numerical Index
Exploded Parts Views
This Parts Manual is a New Print of the
Original Equipment Manufacturers (OEM) Manual
Buy the Parts Manual for your machine and make
ordering parts more accurate and faster
Line Item Drawings and Exploded Views of
each component assembly eliminates guesswork
Parts Manuals greatly help you
understand how assemblies fit together
when stuff is tore up!
Orders placed before Noon Central Time
generally get shipped the same day!
Our Manuals Help You Keep Things Working
Thank you for your business!
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