1981 Cummins NH/NT/NTA 855 CID Diesel Engine Service Manual | Genuine Used Manual

🔧 Product Description

1981 Cummins NH/NT/NTA 855 CID Diesel Engine Service Manual

Pre-owned marine service, workshop, repair or owner's manual for the brand, year, model and engine application shown in the product title and photos.

These manuals are valuable references for marine mechanics, boat owners, restorers and enthusiasts working on outboard motors, inboard engines, sterndrives, marine electrical systems and related equipment.

📖 Typical Coverage

Depending on the original publication, coverage may include:

• Engine specifications
• Maintenance schedules
• Troubleshooting procedures
• Adjustment instructions
• Wiring diagrams
• Fuel and ignition system information
• Cooling system details
• Powerhead or engine repair procedures
• Lower-unit servicing
• Parts identification and technical data

📋 Before You Buy

Please check the product title, manual number, publication year, horsepower, engine model and photographs carefully before purchasing to confirm suitability for your application. Contents and coverage vary between manuals, and only the item shown is included.

📦 Condition

• This is an original, pre-owned workshop reference unless otherwise stated
• May show signs of age and workshop use: fading, marks, stains, creases, edge wear, handwritten notes, loose pages, punched binder holes or minor cover damage
• Any significant condition issues are shown in the listing photographs where possible
• Sold individually, supplied in the condition pictured

🔎 Looking for Another Manual?

Browse our collection of marine workshop, service, repair and owner's manuals for outboard, inboard and sterndrive engines. Manuals may be available for Evinrude, Johnson, Mercury, MerCruiser, Mariner, Yamaha, Suzuki, Honda, Tohatsu, Volvo Penta, OMC and other marine engine brands. Stock varies, so explore the Sawley's Select Marine Manuals collection to view currently available publications.