This manual covers the 5040 Tractor (1976-1980) (Diesel ). This is a vital guide if you are executing or thinking about extensive repairs or a full AC-S-5040 · Allis Chalmers · Service Manual · 5040 · THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF. This is a Service Manual for the Allis Chalmers 5040 with 244 pages of important information pertaining to your Allis Chalmers tractor.Parts Manual (PTS) - The parts manual has exploded views of all parts on the tractor, giving great detail on assembly and disassembly. This book provides detailed service information, step-by-step repair instruction and maintenance specifications for Allis Chalmers 5040 diesel tractors. Table