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Years in Production / 1985

Hesston

70-90

Explore the specifications, hardware, and original references for the Hesston 70-90.

Generic tractor; no model photo available
No photo

70hp

Source index power

MFWD Optional

Drive

1985

Production years

Hesston

Manufacturer

70-90 / 01

At a glance

Production

Utility tractor

Original price was $31,100 in 1985

Distributor
Hesston
Manufacturer
Fiat

Mechanical

Two- or four-wheel drive

Power steering

Differential hydraulic wet disc brakes

Four-post ROPS. Cab optional.

Final Drives
planetary
Differential Lock
mechanical rear

Hydraulics

Type
open center
Pressure
2702 psi186.3 bar
Rear Valves
2 or 3
Pump Flow
11 gpm41.6 lpm

Hitch

Rear Type
II
Rear Lift
5212 lbs2364 kg

Pto

Rear Pto
independent
Rear Type
540 (1.375)
Engine Rpm
540@2198

Electrical

Ground
negative
Charging System
alternator
Charging Amps
65
Battery Volts
12

70-90 / 02

Under the hood

Engine Detail

Fiat 8045.06

diesel

4-cylinder

liquid-cooled

Displacement
220.5 ci3.6 L
Bore Stroke
3.937x4.527 inches100 x 115 mm
Power
70 hp52.2 kW
Fuel System
direct injection
Pre Heating
ether injection
Compression Ratio
17:1
Rated Rpm
2500
Starter
electric
Starter Volts
12
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled

Engine Options

Fiat 3.6L 4-cyl diesel

Fuel Tank
21.1 gal79.9 L

70-90 / 03

Gears & controls

Transmission (Option 1)

Four gears (1-4) in three ranges (I-III) plus reverse range.

Transmission Type
synchromesh
Gears
12 forward and 4 reverse
Clutch
279.4mm dry disc

Transmission (Option 2)

Transmission Type
mechanical shuttle
Gears
12 forward and reverse

Transmission (Option 3)

Transmission Type
creeper
Gears
20 forward and 8 reverse

70-90 / 04

Size. Stance. Footprint.

Dimensions

Length
140.5 in356 cm
Height (cab)
99.5 in252 cm
Height (ROPS)
101.25 in257 cm
Wheelbase
89.5 in227 cm
Front tread
64.1 in162 cm
Rear tread
55.1 in139 cm

Dimensions And Tires

2wd Wheelbase
89.25 inches226 cm
4wd Wheelbase
89.5 inches227 cm
Weight
6798 to 7436 pounds
Front Tire
7.50-16
Rear Tire
16.9-30

Tires And Tracks

2wd Ag Front
7.50-16
2wd Ag Front
7.50-18
2wd Ag Front
9.5L-15
4wd Ag Front
11.2-24
4wd Ag Front
13.6-24
4wd Ag Front
12.4-24
Rear Ag
16.9-30
Rear Ag
18.4-30
Rear Ag
13.6-38

70-90 / 05

Tests (NTTL)

Nebraska Tractor Test 1562

Diesel 12-speed 2WDApril 22 - May 9, 1985

PTO performance

Drawbar performance

Id
1562
Power At Rated Engine Speed
62.25 hp46.4 kW
Fuel Use
3.9 gal/hour14.8 l/hour
Fuel Use
3.7 gal/hour14.0 l/hour
Fuel Use
3.8 gal/hour14.4 l/hour
Power At Rated Pto Speed
61.94 hp46.2 kW
Max Power
53.92 hp40.2 kW
Max Pull
6238 lbs2829 kg