Hesston 55-66

The Hesston 55-66 is a tractor produced by Hesston. It is equipped with a 165 ci 2.7 L engine. The rated power output is 55 hp 41.0 kW. Transmission: 20 forward and 8 reverse. Operating weight: 4851 to 5402 pounds.

Overview

Hesston 55-66 tractor photo
1985 - 1989 66 SeriesUtility tractor
1985 - 1989
66 Series
Utility tractor
1985 - 1989
66 Series
Utility tractor
Production
Manufacturer
Hesston (a part of Fiat)
Utility tractor
Original price was $17,400 in 1990
Variants
55-66
utility 2WD
55-66DT
utility 4WD
Hesston 55-66 Engine
Fiat 2.7L 3-cyl diesel
Fuel tank
19.2 gal 72.7 L
Engine details ...
Hesston 55-66 Transmissions
12-speed partially synchronized
12-speed mechanical shuttle
20-speed creeper
Transmission details ...
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
Performance test details ...
Mechanical
Two- or four-wheel drive
Power steering
Mechanical wet disc brakes
Four-post ROPS. Canopy optional.
Photos
Hesston 55-66 marketing photo.
Hesston 55-66 photos...
Hydraulics
Type
open center
Pressure
2700 psi 186.2 bar
Valves
0 to 3
Total flow
11 gpm 41.6 lpm
Tractor hitch
Rear Type
I/II
Control
position and lower-link draft control
Rear lift
3920 lbs 1778 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540/ground
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
front-end loader
Attachment details ...
Electrical
Charging system
alternator
Charging amps
33
Battery volts
12
References
55-66 references literature
66 Series Tractors 45 to 70 PTO HP published in 1985, by Hesston
66 Series Tractors Models 55-66, 60-66, 70-66, 80-66 - 45 to 70 PTO HP published in 1985, by Hesston

Engine

Hesston 55-66 tractor photo
1985 - 1989 66 SeriesUtility tractor
1985 - 1989
66 Series
Utility tractor
1985 - 1989
66 Series
Utility tractor
Engine Detail
Fiat 8035.06
diesel
3-cylinder
liquid-cooled
Displacement
165 ci 2.7 L
Bore/Stroke
3.937x4.528 inches 100 x 115 mm
Power
55 hp 41.0 kW
Compression
17:1
Rated RPM
2500
Starter
electric
Starter volts
12

Transmission

Hesston 55-66 tractor photo
1985 - 1989 66 SeriesUtility tractor
1985 - 1989
66 Series
Utility tractor
1985 - 1989
66 Series
Utility tractor
Transmission options
12-speed partially synchronized
12-speed mechanical shuttle
20-speed creeper
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
With 16.9-28 rear tires.
55-66  partially synchronized speeds
Transmission
Type
mechanical shuttle
Gears
12 forward and reverse
Four gears (1-4) in three ranges (I-III) with shuttle.
Speeds
With 16.9-28 rear tires.
55-66  mechanical shuttle speeds
Transmission
Type
creeper
Gears
20 forward and 8 reverse
Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.
Speeds
55-66  creeper speeds

Dimensions

Hesston 55-66 tractor photo
1985 - 1989 66 SeriesUtility tractor
1985 - 1989
66 Series
Utility tractor
1985 - 1989
66 Series
Utility tractor
Hesston 55-66 Tires
2WD Standard tires (ag)
Front: 6.50-16. Rear: 13.6-28
4WD Standard tires (ag)
Front: 9.5-24. Rear: 16.9-28
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)
18.5 inches 46 cm
4WD Clearance (front axle)
14.5 inches 36 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
Hesston 55-66 Weight
2WD Shipping
4851 lbs 2200 kg
4WD Shipping
5402 lbs 2450 kg
2WD Operating
5290 lbs 2399 kg
Ballasted
6570 lbs 2980 kg
Hesston 55-66 Height
Steering wheel
63.5 inches 161 cm
Hood
56.5 inches 143 cm
2WD ROPS
92.5 inches 234 cm
4WD ROPS
95 inches 241 cm

Tests

Hesston 55-66 tractor photo
1985 - 1989 66 SeriesUtility tractor
1985 - 1989
66 Series
Utility tractor
1985 - 1989
66 Series
Utility tractor
Nebraska Tractor Test 1560
Diesel 12-speed 2WD April 15 - 29, 1985 Link: Nebraska Tractor Test 1560 file
PTO performance
Power at rated engine speed
45.78 hp 34.1 kW
Fuel use
3.0 gal/hour 11.4 l/hour
Power at rated PTO speed
44.84 hp 33.4 kW
Fuel use
2.7 gal/hour 10.2 l/hour
Drawbar performance
Max power
38.39 hp 28.6 kW
Fuel use
3.0 gal/hour 11.4 l/hour

Attachments

Hesston 55-66 tractor photo
1985 - 1989 66 SeriesUtility tractor
1985 - 1989
66 Series
Utility tractor
1985 - 1989
66 Series
Utility tractor