Power
Power specifications| Engine | no record |
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| PTO | 126 hp claimed |
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| PTO, tested | 125.7 hp |
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| Drawbar | 108 hp claimed |
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| Drawbar, tested | 105.9 hp |
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| Listed power | 140 hp PTO basis |
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Engines
Engines fitted to the International Harvester 1066| International Harvester 6.8L 6-cyl dieselDiesel · 6 cyl | 414 ci |
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Engine details
- International Harvester 6.8L 6-cyl diesel
- Bore × stroke
- 4.3 in × 4.75 in
- Rated speed
- 2,400 rpm
- Aspiration
- turbocharged diesel
- Cooling
- liquid-cooled
Transmissions
Transmissions for the International Harvester 1066| 8-speed geargear | 8F / 4R |
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| Torque Amplifiertwo-speed power shift | 16F / 8R |
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| hydrostatichydrostatic | infinite forward and reverse (two-range) |
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Transmission notes
8-speed gear: Four gears each in high, low, and reverse ranges.
Torque Amplifier: Four gears (1-4) in two ranges (Low/High) with the two-speed Torque Amplifier power shift (TA/direct).
Weight
Weight specifications| Weight | 12,148 lb operating |
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| Ballasted | 15,260 lb |
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Dimensions
Dimensions specifications| Wheelbase | 105 in |
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| Length | 165 in |
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| Width | 98 in |
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Capacities
Capacities specifications| Fuel tank | 42 gal |
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Hydraulics
Hydraulics specifications| System | open center |
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| Pump flow | 12 gpm |
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| Total flow | 21 gpm |
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| Steering flow | 9 gpm |
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Hitch
Hitch specifications| Rear hitch category | III/II |
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| Rear lift capacity | no record |
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| Rear lift at 24 in (610 mm) | 5,600 lb |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 540/1000 |
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Chassis
Chassis specifications| Drive | 2WD/4WD |
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| Steering | Power steering |
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| Brakes | Hydraulic dry disc brakes |
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| Cab | Open operator station. Two-post fixed ROPS available. Cab available with optional air-conditioning |
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Tires
Tires specifications| Front | 11L-15 |
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| Rear | 18.4-38 |
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Production
Production specifications| Total built | 54,947 |
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| Price new | $21,100 (1976) |
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| Factories | Rock Island, Illinois, USA |
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| Built by | International Harvester |
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