Fiat-Hesston 60-66 tractor specifications

1985 - 1991

1985 - 1991 66 SeriesUtility tractorFiat built

Series:

Series:55-66 ← 60-66 → 70-66

1985 - 1989

66 Series

Utility tractor

Series:

55-66

→ 60-66

Production

Production
Manufacturer:	Hesston (a part of Fiat)
Type:	Utility tractor
Original price:	$17,400 (1990 )

Variants

Variants
55-66:	utility 2WD
55-66DT:	utility 4WD

Hesston 55-66 Power

Hesston 55-66 Power
Engine:	55 hp 41.0 kW
Drawbar (claimed):	38 hp 28.3 kW
PTO (claimed):	45.8 hp 34.2 kW
Drawbar (tested):	38.39 hp 28.6 kW
PTO (tested):	45.78 hp 34.1 kW
power test details ...

Hesston 55-66 Engine

Hesston 55-66 Engine
Fiat 2.7L 3-cyl diesel
Fuel tank:	19.2 gal 72.7 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
	4x4 MFWD 4WD
Steering:	power
Brakes:	mechanical wet disc
Cab:	Four-post ROPS. Canopy optional.
Transmissions:	12-speed partially synchronized
	12-speed mechanical shuttle
	20-speed creeper
Transmission details ...

Hydraulics

Hydraulics
Type:	open center
Pressure:	2700 psi 186.2 bar
Valves:	0 to 3
Total flow:	11 gpm 41.6 lpm

Tractor hitch

Tractor hitch
Rear Type:	I/II
Control:	position and lower-link draft control
Rear lift:	3920 lbs 1778 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/ground

Dimensions & Tires

Dimensions & Tires
2WD Wheelbase:	85.6 inches 217 cm
4WD Wheelbase:	83.4 inches 211 cm
Weight:	4851 to 5402 pounds
Front tire:	6.50-16
2WD Rear tire:	13.6-28
Full dimensions and tires ...

Hesston 55-66 attachments

Hesston 55-66 attachments
front-end loader
Attachment details ...

Electrical

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

Production

Production Distributor:Hesston
Manufacturer:Fiat
Type:Utility tractor

Variants

Variants 60-66:utility 2WD
60-66DT:utility 4WD
60-66OR:orchard 2WD
60-66ORDT:orchard 4WD

1985 - 1991

66 Series

Utility tractor

Fiat built

Series:

55-66 ←

60-66

→ 70-66

Production

Production
Distributor:	Hesston
Manufacturer:	Fiat
Type:	Utility tractor

Variants

Variants
60-66:	utility 2WD
60-66DT:	utility 4WD
60-66OR:	orchard 2WD
60-66ORDT:	orchard 4WD

Hesston 60-66 Power

Hesston 60-66 Power
Engine:	60 hp 44.7 kW
Drawbar (claimed):	45 hp 33.6 kW
PTO (claimed):	51 hp 38.0 kW
Drawbar (tested):	44.89 hp 33.5 kW
PTO (tested):	51.49 hp 38.4 kW
power test details ...

Hesston 60-66 Engine

Hesston 60-66 Engine
Fiat 2.9L 3-cyl diesel
Fuel tank:	19.2 gal 72.7 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
	4x4 MFWD 4WD
Steering:	power
Brakes:	differential mechanical wet disc
Cab:	Four-post ROPS. Canopy optional.
Transmissions:	12-speed partially synchronized
	12-speed mechanical shuttle
	20-speed creeper
Transmission details ...

Hydraulics

Hydraulics
Type:	open center
Pressure:	2700 psi 186.2 bar
Valves:	1 to 3
Total flow:	11 gpm 41.6 lpm

Tractor hitch

Tractor hitch
Rear Type:	I/II
Control:	position and lower-link draft control
Rear lift:	3920 lbs 1778 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/ground

Dimensions & Tires

Dimensions & Tires
2WD Wheelbase:	85.6 inches 217 cm
4WD Wheelbase:	83.4 inches 211 cm
Weight:	4901 to 5700 pounds
Front tire:	7.50-16
2WD Rear tire:	14.9-28
Full dimensions and tires ...

Hesston 60-66 attachments

Hesston 60-66 attachments
front-end loader
Attachment details ...

Electrical

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

Hesston 60-66 Power

Hesston 60-66 Power Engine:60 hp
44.7 kW
Drawbar (claimed):45 hp
33.6 kW
PTO (claimed):51 hp
38.0 kW
Drawbar (tested):44.89 hp
33.5 kW
PTO (tested):51.49 hp
38.4 kW
power test details ...

1985 - 1991

66 Series

Utility tractor

Fiat built

Series:

55-66 ←

60-66

→ 70-66

Nebraska Tractor Test 1531

Nebraska Tractor Test 1531
Diesel 12-speed 4WD August 28 - September 5, 1984 Link: Nebraska Tractor Test 1531 file
PTO performance
Power at rated engine speed:	51.49 hp 38.4 kW
Fuel use:	3.2 gal/hour 12.1 l/hour
Power at rated PTO speed:	48.51 hp 36.2 kW
Fuel use:	2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power:	44.89 hp 33.5 kW
Fuel use:	3.2 gal/hour 12.1 l/hour

Hesston 60-66 Engine

Hesston 60-66 Engine Fiat 2.9L 3-cyl diesel Fuel tank:19.2 gal
72.7 L
Engine details ...

1985 - 1991

66 Series

Utility tractor

Fiat built

Series:

55-66 ←

60-66

→ 70-66

Engine Detail

Engine Detail
Fiat 8035.05
diesel
3-cylinder
liquid-cooled
Displacement:	179 ci 2.9 L
Bore/Stroke:	4.094x4.527 inches 104 x 115 mm
Power:	60 hp 44.7 kW
Compression:	17:1
Rated RPM:	2500
Starter:	electric
Starter volts:	12

Mechanical

Mechanical Chassis:4x2 2WD
4x4 MFWD 4WD
Steering:power
Brakes:differential mechanical wet disc
Cab:Four-post ROPS. Canopy optional.
Transmissions:12-speed partially synchronized
12-speed mechanical shuttle
20-speed creeper
Transmission details ...

1985 - 1991

66 Series

Utility tractor

Fiat built

Series:

55-66 ←

60-66

→ 70-66

Transmissions overview

Transmissions overview
12-speed partially synchronized
12-speed mechanical shuttle
20-speed creeper

Transmission

Transmission
Type:	partially synchronized
Gears:	12 forward and 4 reverse
Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized.

Speeds

Speeds
With 14.9-28 rear tires.

Transmission

Transmission
Type:	mechanical shuttle
Gears:	12 forward and reverse
Four gears (1-4) in three ranges (I-III) with shuttle.

Speeds

Speeds
With 14.9-28 rear tires.

Transmission

Transmission
Type:	creeper
Gears:	20 forward and 8 reverse
Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.

Speeds

Speeds

Hydraulics

Hydraulics Type:open center
Pressure:2700 psi
186.2 bar
Valves:1 to 3
Total flow:11 gpm
41.6 lpm

Tractor hitch

Tractor hitch Rear Type:I/II
Control:position and lower-link draft control
Rear lift:3920 lbs
1778 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540/ground

Dimensions & Tires

Dimensions & Tires 2WD Wheelbase:85.6 inches
217 cm
4WD Wheelbase:83.4 inches
211 cm
Weight:4901 to 5700 pounds
Front tire:7.50-16
2WD Rear tire:14.9-28
Full dimensions and tires ...

1985 - 1991

66 Series

Utility tractor

Fiat built

Series:

55-66 ←

60-66

→ 70-66

Hesston 60-66 Tires

Hesston 60-66 Tires
2WD Standard tires (ag):	Front: 7.50-16. Rear: 14.9-28
4WD Standard tires (ag):	Front: 9.5-24. Rear: 16.9-28

Dimensions

Dimensions
2WD Wheelbase:	85.6 inches 217 cm
4WD Wheelbase:	83.4 inches 211 cm
2WD Length:	130 inches 330 cm
4WD Length:	133 inches 337 cm
2WD Clearance (front axle):	20 inches 50 cm
4WD Clearance (front axle):	14 inches 35 cm
2WD Front tread:	55.1 to 74.75 inches 139 to 189 cm
4WD Front tread:	56.9 to 73.75 inches 144 to 187 cm
Rear tread:	52.1 to 75.75 inches 132 to 192 cm