International Harvester 660
Production ended · 2WD
PTO power · tested
81.4 hp
- Engines
- 3 Gasoline · Diesel · LP gas
Power
Power specifications| Engine | 95 hp unspecified |
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| PTO | 81.4 hp tested |
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| Drawbar | 70.2 hp tested |
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| Listed power | 95 hp engine basis |
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| Plows rated | 6 |
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Engines
Engines fitted to the International Harvester 660| International Harvester 4.3L 6-cyl gasolineGasoline · 6 cyl | 263 ci |
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| International Harvester 4.6L 6-cyl dieselDiesel · 6 cyl | 282 ci |
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| International Harvester 4.3L 6-cyl LP gasLP gas · 6 cyl | 263 ci |
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Engine details
- International Harvester 4.3L 6-cyl gasoline
- Bore × stroke
- 3.56 in × 4.39 in
- Rated speed
- 2,400 rpm
- Rated power
- 95 hp
- Torque
- 219 lb·ft at 1,300 rpm
- Compression
- 7.2:1
- Cooling
- liquid-cooled vertical L-head
- International Harvester 4.6L 6-cyl diesel
- Bore × stroke
- 3.69 in × 4.39 in
- Rated speed
- 2,400 rpm
- Rated power
- 95 hp
- Torque
- 219 lb·ft at 1,800 rpm
- Compression
- 18.2:1
- Cooling
- liquid-cooled vertical L-head
- Firing order
- 1-5-3-6-2-4
- International Harvester 4.3L 6-cyl LP gas
- Bore × stroke
- 3.56 in × 4.39 in
- Rated speed
- 2,400 rpm
- Rated power
- 95 hp
- Torque
- 212 lb·ft at 1,200 rpm
- Compression
- 8.75:1
- Cooling
- liquid-cooled vertical L-head
Transmissions
Transmissions for the International Harvester 660| sliding gear | 5F / 1R |
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| Torque Amplifier | 10F / 2R |
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Transmission notes
Torque Amplifier: The Torque Amplifier (TA) provides a clutchless shift-on-the-move between direct drive (DD) and the lower TA speed.
Weight
Weight specifications| Weight | 9,635 lb operating |
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| Ballasted | 15,255 lb |
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Dimensions
Dimensions specifications| Wheelbase | 85.5 in |
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| Length | 142.6 in |
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| Width | 78 in |
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| Ground clearance | 19.7 in |
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| Front axle clearance | 17.4 in |
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Capacities
Capacities specifications| Fuel tank | 33 gal |
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Hydraulics
Hydraulics specifications| Pump flow | no record |
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| Total flow | 12 gpm |
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| Steering flow | 2.5 gpm |
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| Remote valves | 1 |
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Hitch
Hitch specifications| Rear lift capacity | no record |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 540 |
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Chassis
Chassis specifications| Drive | 2WD |
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| Steering | manual |
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| Brakes | Independent mechanical disc brakes |
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| Cab | Open operator station |
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Tires
Tires specifications| Front | 7.50-18 |
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| Rear | 18.4/15-34 |
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Production
Production specifications| Total built | 6,945 |
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| Built by | International Harvester |
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