Hesston 80-66 Utility tractor Specs & Features

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Hesston 80-66 Utility tractor Technical Specifications

Hesston 80-66 is a Row-Crop tractor that was produced by the John Deere between 1985 – 1991.

Below you will find detailed technical specifications for Hesston 80-66 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Hesston 80-66 Production

Manufacturer:
Distributor:	Hesston
Manufacturer:	Fiat
Type:	Utility tractor
Original price:	$26,500 (1990 )

Hesston 80-66 Power

Engine:
Engine:	80 hp 59.7 kW
Drawbar (claimed):	62 hp 46.2 kW
PTO (claimed):	70 hp 52.2 kW
Drawbar (tested):	62.21 hp 46.4 kW
PTO (tested):	70.43 hp 52.5 kW

Hesston 80-66 Electrical

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

Hesston 80-66 Mechanical

Chassis:

4×2 2WD

4×4 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

Hydraulics

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

Tracktor Hitch

Rear Type:	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
	540/1000*Optional

Hesston 80-66 Engine detail

Engine Detail
Fiat 8045.05
diesel
4-cylinder
liquid-cooled
Displacement:	238.5 ci 3.9 L
Bore/Stroke:	4.094×4.527 inches 104 x 115 mm
Power:	80 hp 59.7 kW
Pre-heating:	ether
Compression:	17:1
Rated RPM:	2500
Starter:	electric
Starter volts:	12

Hesston 80-66 Transmission overview

Engine Oil

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

Hesston 80-66 Dimensions

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
2WD Clearance (front axle):	21.5 inches 54 cm
4WD Clearance (front axle):	16 inches 40 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
Rear tread:	55.1 to 78.75 inches 139 to 200 cm

Hesston 80-66 Weight
2WD Shipping:	5800 lbs 2630 kg
4WD Shipping:	6450 lbs 2925 kg
4WD Operating:	6535 lbs 2964 kg
Ballasted:	9400 lbs 4263 kg

Hesston 80-66 Height
Steering wheel:	67 inches 170 cm
Hood:	59 inches 149 cm
ROPS:	100 inches 254 cm

Hesston 80-66 Tests

Nebraska Tractor Test 1534

Nebraska Tractor Test 1534
Diesel 12-speed 4WD October 1 – 11, 1984 Link: Nebraska Tractor Test 1534 file
PTO performance
Power at rated engine speed:	70.43 hp 52.5 kW
Fuel use:	4.1 gal/hour 15.5 l/hour
Power at rated PTO speed:	68.91 hp 51.4 kW
Fuel use:	4.0 gal/hour 15.1 l/hour
Drawbar performance
Max power:	62.21 hp 46.4 kW
Fuel use:	4.2 gal/hour 15.9 l/hour
Max pull:	7245 lbs 3286 kg

FAQ

Is Hesston 80-66 a good tractor?

The Hesston 80-66 is one of the great tractors in the Fiat stable, and it has earned Fiat a fantastic reputation.

How much oil does a Hesston 80-66 take?

Check out the Hesston 80-66 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Fiat made the 70-66

The Hesston 80-66 was an agricultural tractor model made from 1985 – 1991