Menu

International Harvester 766 826 966 1026 1066 Service Repair Workshop Manual

International Harvester 766 826 966 1026 1066 Service Repair Workshop Manual

★★★★★ 4.5/5
530,000+ Happy Customers
  • Model
    Farmall Series
  • Manufactured by
    International Harvester
This factory service repair workshop manual covers International Harvester models 766, 826, 966, 1026, and 1066, primarily produced in the late 1960s and 1970s. These tractors, powered by International Harvester DT-360 and DT-407 diesel engines, represent a significant era of the company's agricultural machinery development. They offer robust performance, with horsepower ranging from approximately 70 HP to 105 HP, and feature reliable mechanical systems including Synchromesh and Power Shift transmissions, advanced hydraulic systems, and durable chassis components. Designed for demanding farm work, these tractors are known for their engineering quality and are essential for agricultural operations.

This comprehensive manual provides detailed information for owners, mechanics, and technicians to maintain and repair these vintage tractors. It covers all major systems, including complete engine overhaul, transmission repair for various types, hydraulic component service, electrical system diagnosis, chassis maintenance, fuel system servicing, cooling system upkeep, and PTO system procedures. The manual includes routine maintenance tasks, systematic troubleshooting guides, and detailed instructions for engine and transmission rebuilds, as well as component-level repairs. With hundreds of pages of detailed diagrams, photos, and specifications, this English-language resource is indispensable for keeping International Harvester tractors operational.

International Harvester 766 826 966 1026 1066 Service Repair Workshop Manual Download PDF

Complete Factory Service Repair Workshop Manual. No Extra fees, No Expiry dates. 

Service Repair Workshop Manual, available for instant download to your computer tablet or smart phone. 

This Professional Manual covers all repairs, servicing and troubleshooting procedures. It is very detailed and contains hundreds of pages with detailed photos & diagrams. 

This is the same type of manual used by professional Mechanics and Technicians containing step by step instructions & highly detailed exploded diagrams & pictures to show you how to complete every job correctly. 



Q. Can I print out a page? 
A. Yes you can print out a single page or the entire manual, its your choice. 

Q. Can I use this Manual on more than one computer? 
A. Yes, this Manual can be used on as many computers as required. 

Q. Is this a trial or a limited version? 
A. No, this is the FULL Manual without any limitations or trial periods and can be used for life. 

Q, Will this Manual expire in 12 months or will I have to pay a renewal fee? 
A. NO, Absolutely not! You can continue to use this Manual for life without the need to renew or pay any extra. 

Q. Will this PDF Manual work on Windows & MAC computers? 
A. Yes, it is fully compatible with all Windows & All MAC Computers. 



Thanks for looking at this item, please click on the Download Button.


International Harvester 766 826 966 1026 1066 Service Repair Workshop Manual Download PDF

Complete Factory Service Repair Workshop Manual. No Extra fees, No Expiry dates. 

Service Repair Workshop Manual, available for instant download to your computer tablet or smart phone. 

This Professional Manual covers all repairs, servicing and troubleshooting procedures. It is very detailed and contains hundreds of pages with detailed photos & diagrams. 

This is the same type of manual used by professional Mechanics and Technicians containing step by step instructions & highly detailed exploded diagrams & pictures to show you how to complete every job correctly. 



Q. Can I print out a page? 
A. Yes you can print out a single page or the entire manual, its your choice. 

Q. Can I use this Manual on more than one computer? 
A. Yes, this Manual can be used on as many computers as required. 

Q. Is this a trial or a limited version? 
A. No, this is the FULL Manual without any limitations or trial periods and can be used for life. 

Q, Will this Manual expire in 12 months or will I have to pay a renewal fee? 
A. NO, Absolutely not! You can continue to use this Manual for life without the need to renew or pay any extra. 

Q. Will this PDF Manual work on Windows & MAC computers? 
A. Yes, it is fully compatible with all Windows & All MAC Computers. 



Thanks for looking at this item, please click on the Download Button.