This Cummins Original Factory Operation & Maintenance Manual covers the 4- & 6-Cylinder HRC-4, H-135, H-6, HR-6, HS-6, HRS-6, HRF-6, HU-170, NHC-4, NH-135, NH-160, NH-180, NHE-180, NHE-195, NH-220, NHE-225, NH-230, NH-230D, NH-250, NHS-6, NHRS-6, NT-165, NTE-235, NT-6, NTO-6, NT-270, NT-280, NT-300, NRT-6, NT-310, NRTO-6, NTC-335, NT-380, NT400, HHR-6, HHRF-6, NHH-180, NHHE-180, NHHE-195, NHH-220, NHHRS-6, NHHT-6, NHHTO-6, NHHRT-6, NHHRTO-6, NHC-250, NHCT-270, NHCT-270-CT, NTC-335, & NT-350 Natural Aspirated, Turbocharged & Supercharged Diesel Engine models that were in production during the 1960's.

With 96 pages, more than 120 photo's / illustrations and separate chapters on : Principles of Operation, Operating Instructions, Specifications, Trouble Shooting and Maintenance Operations it is an essential source of information for Maintenance Operations.

Bulletin number: 983620-FE dated 8-69.

Light discolouration to the covers but otherwise in excellent condition.