Compare/Hesston 666 vs Hesston 70-66 High Clearance

Hesston 666 vs Hesston 70-66 High Clearance

Verdict: Hesston 666 vs Hesston 70-66 High Clearance

The Hesston 666 and the Hesston 70-66 High Clearance are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 62 hp. Hesston 70-66 High Clearance is the newer design (1985 vs 1983). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Hesston

Fit score

Best match

Clear

Hesston

Fit score

Best match

Clear

Rated power

62 hp

Confidence

40%

Guide price

—

Overview

Distributor

HesstonReference

Manufacturer

FiatReference

Four synchronized gears in three ranges.Reference

With 13.6-38 rear tires.Reference

Original price

$19,600 (1984)Reference

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Steering

hydrostatic powerReference

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Variants

666

similar Fiat modelReference

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666DT

4WDReference

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666HC

high-cropReference

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70-66

—

utility 2WD[6073]Reference

70-66DT

—

utility 4WD[6073]Reference

70-66OR

—

orchard 2WD[10189]Reference

70-66ORDT

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orchard 4WD[10189]Reference

70-66HC

—

high-cropReference

70-66HCDT

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high-crop 4WDReference

Engine

Fuel tank

72.7 LReference

Drawbar (claimed)

40.5 kWReference

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Drawbar (tested)

39.6 kWReference

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Displacement

3.5 LReference

3.6 LReference

Bore/Stroke

100 x 110 mmReference

100 x 115 mmReference

Starter volts

12Reference

Power at rated engine speed

46.5 kWReference

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Max power

39.6 kWReference

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Fuel system

—

direct injectionReference

Rated RPM

—

2500Reference

Starter

—

electricReference

Transmission

Gears

20 forward and 8 reverseReference

Clutch

—

279.4mm dry discReference

PTO & Hydraulics

PTO (claimed)

46.2 kWReference

PTO (tested)

46.5 kWReference

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Type

creeperReference

Pressure

186.2 barReference

Valves

1 or 2Reference

2Reference

Pump flow

41.6 lpmReference

Rear Type

I/IIReference

IIReference

Rear PTO

independentReference

Rear PTO Type

540Reference

540/ground (1.375)Reference

Power at rated PTO speed

45.0 kWReference

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Control

—

position and lower-link draft controlReference

Dimensions

Wheelbase

224 cmReference

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Weight

5689 to 6350 poundsReference

5689 to 7290 poundsReference

Front tire

7.50-16Reference

7.50-18Reference

Rear tire

14.9-30Reference

9.5-42Reference

Ag front

9.5-24 (4WD)Reference

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Ag rear

14.9-30Reference

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Length

363 cmReference

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Operating weight

2880 kgReference

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Ground clearance

40 cmReference

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2WD Wheelbase

—

210 cmReference

4WD Wheelbase

—

204 cmReference

2WD Ag front

—

7.50-18Reference

4WD Ag front

—

12.4-38Reference

2WD Ag rear

—

12.4-38Reference

4WD Ag rear

—

12.4-38Reference

2WD Shipping weight

—

2580 kgReference

4WD Shipping weight

—

3306 kgReference

2WD Clearance (front axle)

—

80 cmReference

4WD Clearance (front axle)

—

62 cmReference

2WD Clearance (drawbar)

—

63 cmReference

4WD Clearance (drawbar)

—

65 cmReference

2WD Front tread

—

152 to 223 cmReference

4WD Front tread

—

167/177/182/193/203/208/218 cmReference

2WD Rear tread

—

152 to 193 cmReference

4WD Rear tread

—

142/152/157/160/172/177/187 cmReference

Electrical

Charging system

alternatorReference

Charging amps

33Reference

Battery volts

—

12Reference

Hesston 666 Height

Hood

149 cmReference

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Exhaust

246 cmReference

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Test results

Fuel use

13.2 l/hourReference

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Speeds

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.