Fiat-Hesston 80-90 tractor specifications

1990

1990 90 SeriesUtility tractorFiat built

Series:

Series:70-90 ← 80-90

1985

90 Series

Utility tractor

Fiat built

Series:

60-90 ←

70-90

→ 80-90

Production

Production
Distributor:	Hesston
Manufacturer:	Fiat
Type:	Utility tractor
Original price:	$31,100 (1985 )

Variants

Variants
70-90DT:	4WD

Hesston 70-90 Power

Hesston 70-90 Power
Engine:	70 hp 52.2 kW
PTO (claimed):	62 hp 46.2 kW
Drawbar (tested):	53.92 hp 40.2 kW
PTO (tested):	62.25 hp 46.4 kW
power test details ...

Hesston 70-90 Engine

Hesston 70-90 Engine
Fiat 3.6L 4-cyl diesel
Fuel tank:	21.1 gal 79.9 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
	4x4 MFWD 4WD
Final drives:	planetary
Differential lock:	mechanical rear
Steering:	power
Brakes:	differential hydraulic wet disc
Cab:	Four-post ROPS. Cab optional.
Transmissions:	12-speed synchromesh
	12-speed mechanical shuttle
	20-speed creeper
Transmission details ...

Hydraulics

Hydraulics
Type:	open center
Pressure:	2702 psi 186.3 bar
Rear valves:	2 or 3
Pump flow:	11 gpm 41.6 lpm

Tractor hitch

Tractor hitch
Rear Type:	II
Rear lift:	5212 lbs 2364 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540 (1.375)
Engine RPM:	540@2198

Dimensions & Tires

Dimensions & Tires
2WD Wheelbase:	89.25 inches 226 cm
4WD Wheelbase:	89.5 inches 227 cm
Weight:	6798 to 7436 pounds
Front tire:	7.50-16
Rear tire:	16.9-30
Full dimensions and tires ...

Electrical

Electrical
Ground:	negative
Charging system:	alternator
Charging amps:	65
Battery volts:	12

Production

Production Distributor:Hesston
Manufacturer:Fiat
Type:Utility tractor
Original price:$35,000 (1990 )

Variants

Variants 80-90DT:4WD

Hesston 80-90 Power

Hesston 80-90 Power Engine:80 hp
59.7 kW
PTO (claimed):71 hp
52.9 kW
Drawbar (tested):60.77 hp
45.3 kW
PTO (tested):70.86 hp
52.8 kW
power test details ...

1990

90 Series

Utility tractor

Fiat built

Series:

70-90 ←

80-90

Nebraska Tractor Test 1563

Nebraska Tractor Test 1563
Diesel 12-speed 2WD 4, 22/1985 - May 7, 1985 Link: Nebraska Tractor Test 1563 file
PTO performance
Power at rated engine speed:	70.86 hp 52.8 kW
Fuel use:	4.1 gal/hour 15.5 l/hour
Power at rated PTO speed:	69.25 hp 51.6 kW
Fuel use:	4.0 gal/hour 15.1 l/hour
Drawbar performance
Max power:	60.77 hp 45.3 kW
Fuel use:	4.1 gal/hour 15.5 l/hour
Max pull:	7323 lbs 3321 kg

Hesston 80-90 Engine

Hesston 80-90 Engine Fiat 3.9L 4-cyl diesel Fuel tank:21.1 gal
79.9 L
Engine details ...

1990

90 Series

Utility tractor

Fiat built

Series:

70-90 ←

80-90

Engine Detail

Engine Detail
Fiat 8045.05
diesel
4-cylinder
liquid-cooled
Displacement:	238.5 ci 3.9 L
Bore/Stroke:	4.094x4.527 inches 104 x 115 mm
Power:	80 hp 59.7 kW
Fuel system:	direct injection
Pre-heating:	ether injection
Compression:	17:1
Rated RPM:	2500
Starter:	electric
Starter volts:	12

Mechanical

Mechanical Chassis:4x2 2WD
4x4 MFWD 4WD
Final drives:planetary
Differential lock:mechanical rear
Steering:power
Brakes:differential hydraulic wet disc
Cab:Four-post ROPS. Cab optional.
Transmissions:12-speed synchromesh
12-speed mechanical shuttle
20-speed creeper
Transmission details ...

1990

90 Series

Utility tractor

Fiat built

Series:

70-90 ←

80-90

Transmissions overview

Transmissions overview
12-speed synchromesh
12-speed mechanical shuttle
20-speed creeper

Transmission

Transmission
Type:	synchromesh
Gears:	12 forward and 4 reverse
Clutch:	279.4mm dry disc
Four gears (1-4) in three ranges (I-III) plus reverse range.

Speeds

Speeds

Transmission

Transmission
Type:	mechanical shuttle
Gears:	12 forward and reverse

Speeds

Speeds
With 18.4-30 rear tires.

Transmission

Transmission
Type:	creeper
Gears:	20 forward and 8 reverse

Speeds

Speeds
With 18.4-30 rear tires.

Hydraulics

Hydraulics Type:open center
Pressure:2702 psi
186.3 bar
Rear valves:2 or 3
Pump flow:11 gpm
41.6 lpm

Tractor hitch

Tractor hitch Rear Type:I/II
Rear lift:4898 lbs
2221 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540 (1.375)
Engine RPM:540@2198

Dimensions & Tires

Dimensions & Tires 2WD Wheelbase:89.1 inches
226 cm
4WD Wheelbase:89.5 inches
227 cm
Weight:6930 to 7634 pounds
Front tire:7.50-16
Rear tire:16.9-30
Full dimensions and tires ...

1990

90 Series

Utility tractor

Fiat built

Series:

70-90 ←

80-90

Hesston 80-90 Tires

Hesston 80-90 Tires
2WD Ag front:	7.50-16
4WD Ag front:	11.2-24
Ag rear:	16.9-30
2WD Ag front:	7.50-18
2WD Ag front:	9.5L-15
4WD Ag front:	13.6-24
Ag rear:	13.6-38
	16.9-34

Dimensions

Dimensions
2WD Wheelbase:	89.1 inches 226 cm
4WD Wheelbase:	89.5 inches 227 cm
2WD Length:	134.75 inches 342 cm
4WD Length:	144 inches 365 cm
2WD Front tread:	55.1 to 74.75 inches 139 to 189 cm
4WD Front tread:	64.25 to 77 inches 163 to 195 cm
Rear tread:	55.1 to 82.75 inches 139 to 210 cm

Hesston 80-90 Weight

Hesston 80-90 Weight
2WD :	6930 lbs 3143 kg
4WD :	7634 lbs 3462 kg
Operating:	7,130 lbs 3234 kg (2WD)
Ballasted:	9,465 lbs 4293 kg

Hesston 80-90 Height

Hesston 80-90 Height
2WD Hood:	59.5 inches 151 cm
4WD Hood:	60 inches 152 cm
ROPS:	102.5 inches 260 cm
2WD Cab:	103.75 inches 263 cm
4WD Cab:	100.5 inches 255 cm