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Hesston 70-66

Hesston 70-66 tractor
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The Hesston 70-66 is a utility tractor built by Fiat and distributed by Hesston from 1985 to 1991. It is part of the 66 Series and features a Fiat 3.6L 4-cylinder liquid-cooled diesel engine producing 70 hp. The tractor offers multiple transmission options including a 12-speed partially synchronized, 12-speed mechanical shuttle, and a 20-speed creeper. It is available in two- or four-wheel drive configurations with power steering and mechanical wet disc brakes. The tractor has a rear independent PTO with 540/ground speeds and an open center hydraulic system with 1 to 3 valves. Dimensions vary between 2WD and 4WD models, with wheelbases of 90.7 inches and 88.5 inches respectively. The 70-66 supports various attachments including the L330 front-end loader. It was originally priced at $23,400 in 1990.
Hesston 70-66Hesston tractorsutility tractorFiat engine70 hp tractor66 Seriestractor specifications
Power70 hp
Founded1985 - 1991
Model70-66

Technical Specifications

Detailed specifications and technical data for Hesston 70-66

Power

Engine:70 hp (52.2 kW)
PTO (tested):62.72 hp (46.8 kW)
PTO (claimed):62.7 hp (46.8 kW)
Drawbar (tested):54.22 hp (40.4 kW)
Drawbar (claimed):54 hp (40.3 kW)

Engine

Type:diesel
Model:Fiat 8045.06
Power:70 hp (52.2 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Fuel tank:19.2 gal (72.7 L)
Rated RPM:2500
Bore/Stroke:3.937x4.527 inches (100 x 115 mm)
Compression:17:1
Displacement:220.5 ci (3.6 L)
Starter volts:12

Height

Hood:59 inches (149 cm)
ROPS:97.5 inches (247 cm)
Steering wheel:65 inches (165 cm)

Weight

Ballasted:8705 lbs (3948 kg)
2WD Shipping:5689 lbs (2580 kg)
4WD Shipping:6350 lbs (2880 kg)
4WD Operating:6510 lbs (2952 kg)

Variants

70-66:utility 2WD
70-66DT:utility 4WD
70-66HC:high-crop
70-66HCDT:high-crop 4WD
70-66ORDT:orchard 4WD

Electrical

Battery volts:12
Charging amps:33
Charging system:alternator

Hydraulics

Type:open center
Valves:1 to 3
Total flow:11 gpm (41.6 lpm)

Mechanical

ROPS:Four-post ROPS. Canopy optional.
Drive:Two- or four-wheel drive
Brakes:Mechanical wet disc brakes
Steering:Power steering

Production

Type:Utility tractor
Years made:1985 - 1991
Distributor:Hesston
Manufacturer:Fiat
Original price:$23,400 in 1990

Attachments

Loader:L330 Loader
Front-end loader:available

Transmission

Creeper:20 forward and 8 reverse gears, Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.
Options:12-speed partially synchronized, 12-speed mechanical shuttle, 20-speed creeper
Mechanical shuttle:12 forward and reverse gears, Four gears (1-4) in three ranges (I-III) with shuttle.
Partially synchronized:12 forward and 4 reverse gears, Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized.

Tractor hitch

Control:position and lower-link draft control
Rear Type:I/II
Rear lift:5194 lbs (2355 kg)

Dimensions & Tires

2WD Length:139 inches (353 cm)
4WD Length:143 inches (363 cm)
Rear tread:55.1 to 78.75 inches (139 to 200 cm)
2WD Wheelbase:90.7 inches (230 cm)
4WD Wheelbase:88.5 inches (224 cm)
2WD Front tread:55.1 to 74.75 inches (139 to 189 cm)
4WD Front tread:60.25 to 77 inches (153 to 195 cm)
2WD Standard tires (ag):Front: 7.50-16. Rear: 14.9-30
4WD Standard tires (ag):Front: 9.5-24. Rear: 14.9-30
2WD Clearance (front axle):20.5 inches (52 cm)
4WD Clearance (front axle):16.5 inches (41 cm)

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540/ground

Related Models

Hesston 60-66

Model:60-66

Hesston 80-66

Model:80-66