1971 - 1976 |
66 Series |
Row-Crop tractor |
Series: | 966 | → Hydro 100 |
986 ↓ |
Production | |
Manufacturer: | International Harvester |
Type: | Row-Crop tractor |
Total built: | 21,017 |
Original price: | $18,000 (1976 ) |
Variants | |
Hi-Clear: | high-crop model |
International Harvester 966 Power | |
Engine: | 91 hp 67.9 kW |
Drawbar (claimed): | 84 hp 62.6 kW |
PTO (claimed): | 95 hp 70.8 kW |
Drawbar (tested): | 85.21 hp 63.5 kW |
PTO (tested): | 100.80 hp 75.2 kW |
power test details ... |
International Harvester 966 Engine | |
International Harvester 6.8L 6-cyl diesel | |
Engine details ... |
Mechanical | |
Chassis: | 4x2 2WD |
4x4 MFWD 4WD | |
Steering: | power |
Brakes: | Independent hydraulic dry disc |
Cab: | Cab optional with heat and air-conditioning. |
Transmissions: | 8-speed sliding gear |
16-speed two-speed power shift | |
hydrostatic | |
Transmission details ... |
Capacity | |
Fuel: | 37 gal 140.0 L |
Hydraulic system: | 22.5 gal 85.2 L |
Hydraulics | |
Type: | open center |
Capacity: | 22.5 gal 85.2 L |
Pressure: | 2000 psi 137.9 bar |
Valves: | 1 to 4 |
Pump flow: | 12 gpm 45.4 lpm |
Total flow: | 24 gpm 90.8 lpm |
Steering flow: | 9 gpm 34.1 lpm |
Steering press.: | 1550 psi 106.9 bar |
Tractor hitch | |
Rear Type: | II |
Rear lift (at 24"/610mm): | 4400 lbs 1995 kg |
Type: | IH Fast Hitch |
Rear lift: | 5000 lbs 2268 kg (at 24 inches) |
Power Take-off (PTO) | |
Rear PTO: | independent |
Rear RPM: | 540/1000 |
Dimensions & Tires | |
Wheelbase: | 105 inches 266 cm |
Weight: | 11116 to 11700 pounds |
Front tire: | 9.5L-15 |
Rear tire: | 18.4-34 |
Full dimensions and tires ... |
966 Serial Numbers | |
Location: | Clutch housing, left side |
1971: | 7101 |
1972: | 11815 |
1973: | 17794 |
1974: | 22526 |
1975: | 28119 |
1976: | 31772 |
how to read serial numbers... |
Electrical | |
Charging amps: | 32 |
Batteries: | 2 |
Battery volts: | 6 |
Battery AH: | 172 |
1973 - 1976 |
66 Series |
Row-Crop tractor |
Series: | 966 ← | Hydro 100 | → 1066 |
Hydro 186 ↓ |
Nebraska Tractor Test 1158 | |||
|
Nebraska Tractor Test 1158 | |
Diesel hydrostatic 2WD May 7 - 18, 1974 Link: Nebraska Tractor Test 1158 file | |
PTO performance | |
Power at rated engine speed: | 104.17 hp 77.7 kW |
Fuel use: | 7.6 gal/hour 28.8 l/hour |
Power at rated PTO speed: | 101.30 hp 75.5 kW |
Fuel use: | 6.8 gal/hour 25.7 l/hour |
Drawbar performance | |
Max power: | 78.31 hp 58.4 kW |
Fuel use: | 7.6 gal/hour 28.8 l/hour |
Gear 5.5 MPH used for power test. | |
Max pull: | 9,801 lbs 4445 kg |
Gear 2.85 MPH used for pull test. |
1973 - 1976 |
66 Series |
Row-Crop tractor |
Series: | 966 ← | Hydro 100 | → 1066 |
Hydro 186 ↓ |
Engine Detail | |
International Harvester | |
diesel | |
6-cylinder | |
liquid-cooled | |
Displacement: | 436 ci 7.1 L |
Bore/Stroke: | 4.30x5.00 inches 109 x 127 mm |
Air cleaner: | dual stage dry |
Compression: | 15.8:1 |
Rated RPM: | 2400 |
Starter volts: | 12 |
1973 - 1976 |
66 Series |
Row-Crop tractor |
Series: | 966 ← | Hydro 100 | → 1066 |
Hydro 186 ↓ |
Transmission | |
Manufacturer: | International Harvester |
Type: | hydrostatic |
Gears: | infinite (2-range) forward and reverse |
Speeds | |
1973 - 1976 |
66 Series |
Row-Crop tractor |
Series: | 966 ← | Hydro 100 | → 1066 |
Hydro 186 ↓ |
International Harvester Hydro 100 Tires | |
Ag front: | 10.00-16 |
Ag rear: | 18.4-34 |
Dimensions | |
Wheelbase: | 104.8 inches 266 cm |
Operating weight: | 12,130 lbs 5502 kg |