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-250, NHS-6, NHRS-6, NT-165, NT-180, NT-200, NTE-235, NT-6, NTO-6, NT-280, NTC-280, NT-300, NRT-6, NT-310, NRTO-6, NT-335, NTC-335, NT380, NT-400, HHR-6, HHRF-6, NHH-180, NHHE-180, NHHE-195, NHH-220, NHHRS-6, NHHT-6, NHHTO-6, NHHRT-6 & NHHRTO-6 Natural Aspirated, Turbocharged & Supercharged Diesel Engine models that were in production during the mid 1960's. 

With 50+ pages, more than 80 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. 

The manual has had some wear, but remains in Good Overall Condition. 

Ideal for the Cummins H & NH series owner or operator. 


A postage discount is offered for multiple purchases, please see my other auctions.

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