International 1066 Turbo Tractor Chopping Corn Stalks: History and Specs

International 1066 Turbo in Action

• 🚜 A 115 PTO horsepower International 1066 turbo tractor is shown shredding corn stalks with a 15 ft wide International 60 flail shredder in South Central Wisconsin.

Production History and Lineup

• 🚀 The International 1066 Turbo was launched for model year 1971 as part of the 66 series lineup, manufactured in Rock Island, Illinois.
• 📊 The 66 series included six tractors ranging from 66 to 161 PTO horsepower, with the 1066 being the bestselling model with 54,947 units produced.

Tractor Specifications

• ⚙️ Powered by a 6.8 L 414 cubic inch International Harvester 6-cylinder turbocharged engine.
• 🐎 Initially rated at 115 PTO horsepower for its first five years, it received a power boost to 125 PTO horsepower in its final year.
• 🕹️ Customers could choose from three transmissions: an 8-speed gear drive, a 16-speed two-speed powershift (torque amplifier), or a hydrostatic transmission (1971-1972).
• ⚖️ The tractor weighed 11,861 lb off the assembly line, with a recommended operating weight of 13,344 lb and a maximum field weight of 15,260 lb.

Original Price and Variations

• 💰 The base model cost $21,881 new, with an additional $2,227 for a fully enclosed cab.
• 🎨 The 1066 Turbo had variations: white side panels (1971-1973), red cabs (1974-1975), and the final year's