The Farmall International 674 Gas and Diesel Tractors Operators / Instruction Manual. This manual is a reproduction of an original manual is an excellent source of information on using your tractor and covers maintenance and many general mechanical repairs. The operators / instruction manual gives the tractor owner / operator instructions on;

• Contents
• Introduction

• Description
• Instruments and Controls

• Operating your tractor
• Driving Your Tractor
• Engine and Fuel System

• Hydraulic System
• Hydraulic Controls
• Three Point Hitch
• Power Take Off
• Cooling System
• Electrical System

• Front Wheels

• Rear Wheels
• Weights
• Brakes
• Engine Clutch
• Trouble Shooting
• Lubrication table
• Lubrication
• Preventive maintenance 

• Maintenance extra equipment and accessories

• Specification

• Comprehensive index

Also consider purchasing both the parts and service manual for your tractor, if available. The parts manual will make it much easier to find the right parts for the job and show in detail how the components are put together, while the service manual will lay out all the procedures for you.