International Harvester 660 Specifications

Production

What is the manufacturing origin and production details of the tractor?

• Manufacturer: International Harvester
• Type: Standard-tread tractor
• Total built: 6,945
• Original price: $6,000 (1963)

Engines

What engines are available for the tractor?

• Gasoline: International Harvester 4.3L 6-cyl
• Diesel: International Harvester 4.6L 6-cyl
• LP gas: International Harvester 4.3L 6-cyl
• Fuel tank capacity (gas/diesel): 33 gal / 124.9 L
• Fuel tank capacity (LP gas): 37.5 gal / 141.9 L

Transmissions

What transmission options are available for the tractor?

• 5-speed
• 10-speed

Horsepower

What are the horsepower specifications of the tractor?

• Engine: 95 hp / 70.8 kW
• Plows: 6
• Drawbar (tested): 70.21 hp / 52.4 kW
• PTO (tested): 81.39 hp / 60.7 kW

Mechanical

What are the mechanical specifications of the tractor?

• Drive: Two-wheel drive
• Steering: manual (hydrostatic power optional)
• Brakes: Independent mechanical disc brakes
• Operator station: Open

Hydraulics

What are the hydraulic specifications of the tractor?

• Valves: 1
• Total flow: 12 gpm / 45.4 lpm (17 gpm / 64.3 lpm optional)
• Steering flow: 2.5 gpm / 9.5 lpm

Power Take-off (PTO)

What are the PTO specifications of the tractor?

• Rear PTO: independent
• Rear PTO Type: 540

Dimensions & Tires

What are the dimensions and tire specifications of the tractor?

• Wheelbase: 85.5 inches / 217 cm
• Weight: 9,635 to 9,875 pounds
• Front tire: 7.50-18
• Rear tire: 18.4/15-34