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| info | |
| 1985 - 1991 66 Series, Utility tractor | |
| Series next: | Hesston 80-66 |
| Series back: | Hesston 60-66 |
| Production | |
| Distributor: | Hesston |
| Manufacturer: | Fiat |
| Original price (USD), $23,400 (1990 ), | |
| Variants | |
| 70-66: | utility 2WD[6073] |
| 70-66DT: | utility 4WD[6073] |
| 70-66ORDT: | orchard 4WD |
| 70-66HC: | high-crop |
| 70-66HCDT: | high-crop 4WD |
| Capacity | |
| Fuel: | 19.2 gal [72.7 L] |
| 3-Point Hitch | |
| Rear Type: | I/II |
| Control: | position and lower-link draft control |
| Rear lift: | 5194 lbs [2355 kg] |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540/ground |
| Dimensions & Tires | |
| 2WD Wheelbase: | 90.7 inches [230 cm] |
| 4WD Wheelbase: | 88.5 inches [224 cm] |
| Weight: | 5689 to 6510 pounds |
| Front tire: | 7.50-16 |
| 2WD Rear tire: | 14.9-30 |
| Hesston 70-66 Power | |
| Engine: | 70 hp [52.2 kW] |
| Drawbar (claimed): | 54 hp [40.3 kW] |
| PTO (claimed): | 62.7 hp [46.8 kW] |
| Drawbar (tested): | 54.22 hp [40.4 kW] |
| PTO (tested): | 62.72 hp [46.8 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Steering: | power |
| Brakes: | mechanical wet disc |
| Cab: | Four-post ROPS. Canopy optional. |
| Hydraulics | |
| Type: | open center |
| Valves: | 1 to 3 |
| Total flow: | 11 gpm [41.6 lpm] |
| Electrical | |
| Charging system: | alternator |
| Charging amps: | 33 |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 3.937x4.527 inches [100 x 115 mm] |
| Power: | 70 hp [52.2 kW] |
| Compression: | 17:1 |
| Rated RPM: | 2500 |
| Starter: | electric |
| Starter volts: | 12 |
| Engine Detail | |
| Fiat 8045.06, diesel, 4-cylinder, liquid-cooled, 220.5 ci [3.6 L] |
| info | |
| Speeds: | With 16.9-30 rear tires. |
| Transmission | |
| Type: | partially synchronized |
| Gears: | 12 forward and 4 reverse |
| Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized. | |
| info | |
| Series next: | Hesston 80-66 |
| Series back: | Hesston 60-66 |
| Dimensions | |
| 2WD Weight (shipping): | 5689 lbs [2580 kg] |
| 4WD Weight (shipping): | 6350 lbs [2880 kg] |
| 4WD Weight (operating): | 6510 lbs [2952 kg] |
| Weight (ballasted): | 8705 lbs [3948 kg] |
| 2WD Wheelbase: | 90.7 inches [230 cm] |
| 4WD Wheelbase: | 88.5 inches [224 cm] |
| 2WD Length: | 139 inches [353 cm] |
| 4WD Length: | 143 inches [363 cm] |
| Height (steering wheel): | 65 inches [165 cm] |
| Height (hood): | 59 inches [149 cm] |
| Height (ROPS): | 97.5 inches [247 cm] |
| 2WD Clearance (front axle): | 20.5 inches [52 cm] |
| 4WD Clearance (front axle): | 16.5 inches [41 cm] |
| 2WD [139 to 189 cm] 2WD} 60.25 to 77 inches {4WD} [153 to 195 cm] {4WD} Front tread: | 55.1 to 74.75 inches |
| Rear tread: | 55.1 to 78.75 inches [139 to 200 cm] |
| Hesston 70-66 Tires | |
| 2WD Standard tires (ag): | Front: 7.50-16. Rear: 14.9-30 |
| 4WD Standard tires (ag): | Front: 9.5-24. Rear: 14.9-30 |
| info | |
| Series next: | Hesston 80-66 |
| Series back: | Hesston 60-66 |
| Loader | |
| Loader type: | Hesston L330 |