Hesston 70-90

Last Updated: June 2024

Overview

The Hesston 70-90, equipped with a Fiat 8045.06 engine, is a utility tractor designed for various farming tasks. It features a liquid-cooled, four-cylinder diesel engine with a displacement of 220.5 cubic inches, providing a power output of 70 hp at a rated RPM of 2500. The tractor's transmission includes a synchromesh, mechanical shuttle, and creeper with up to 20 forward and 8 reverse gears, facilitating versatile control over the machine's speed and direction. The chassis is set up as a 4x2 2WD configuration, and the tractor is steered via a power steering system. Traction is provided by Ag-type tires, with different sizes available for the front: 7.50-16, 7.50-18, 9.5L-15, 11.2-24, 13.6-24, and 12.4-24, and a single size for the rear: 16.9-30 or optionally 18.4-30. This model has a wheelbase of 89.25 inches in a 2WD configuration and 89.5 inches as a 4WD. The tractor's physical dimensions and weight vary based on the specific configuration, with an operating weight of 7,100 pounds for the 2WD version. Details like the hydraulic system note an open center type, and the hitch system is classified as a Category II three-point hitch.
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Key Specifications

Category: Utility

Power Output: 70

Transmission: Synchromesh, Mechanical Shuttle, Creeper

Drive Type: 2WD

Operating Weight: 7,100 (2WD Operational)

Fuel Type: Diesel

Hesston 70-90 vs. Similar Tractors

Power Output
Average
Greater than 64% of similar tractors.
Operating Weight
Poor
Greater than 3% of similar tractors.

Technical Specifications

Engine

Manufacturer
Fiat
Model
8045.06
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Direct Injection
Cylinders
4
Displacement (ci)
220.5
Bore (in)
3.937
Stroke (in)
4.527
Rated RPM
2500
Power Output (hp)
70

Transmission

Type
Synchromesh, Mechanical Shuttle, Creeper
Forward Gears
20
Reverse Gears
8
Total Gears
-

Dimensions

Length (in)
140.5 (4WD)
Width (in)
-
Height (in)
Cab: 99.5, ROPS: 101.25
Operating Weight (lb)
7,100 (2WD Operational)

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
28 to 24 (Based on tire codes, approximate)
Front Tire Width (in)
7.50 to 9.5L and 11.2 to 13.6 (based on tire codes)
Rear Tire Diameter (in)
30
Rear Tire Width (in)
16.9 to 18.4
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
-
Hitch Type
II
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric
Brake Type
-
Hydraulic System Type
Open center