Compare/Hesston 666DT High Crop vs Hesston 680

Hesston 666DT High Crop vs Hesston 680

Verdict: Hesston 666DT High Crop vs Hesston 680

The Hesston 666DT High Crop and the Hesston 680 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 62 hp. Hesston 666DT High Crop is the lighter machine (3,310 kg vs 5,407 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hesston 680 holds more fuel (79.9 L vs 72.7 L) for longer stints between fills. Hesston 666DT High Crop is the newer design (1983 vs 1981). 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

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Overview

Distributor

HesstonReference

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Manufacturer

FiatReference

Hesston (a part of Fiat)Reference

liquid-cooledReference

Four gears with four ranges provides sixteen forward speeds.Reference

Original price

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$21,550 (1984)Reference

Drive

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4x4 MFWD 4WD (680DT)Reference

Steering

—

hydrostatic powerReference

Variants

680

—

2WDReference

766

utilityReference

—

766HC

high-cropReference

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680DT

—

4WDReference

Engine

Fuel tank

72.7 LReference

79.9 LReference

Displacement

3.5 LReference

Bore/Stroke

100 x 110 mmReference

Fuel system

direct injectionReference

Pre-heating

ether injectionReference

—

Starter

electricReference

—

Starter volts

12Reference

Drawbar (tested)

—

39.8 kWReference

Compression

—

17:1Reference

Rated RPM

—

2500Reference

Power at rated engine speed

—

46.6 kWReference

Max power

—

39.8 kWReference

Transmission

Gears

12 forward and 4 reverseReference

8 forward and reverseReference

Clutch

279.4mm cerametallic dry discReference

—

PTO & Hydraulics

PTO (claimed)

46.2 kWReference

Type

partially synchronizedReference

mechanical shuttleReference

Pressure

186.2 barReference

186.3 barReference

Valves

1Reference

2Reference

Pump flow

41.6 lpmReference

Rear Type

IIReference

Control

position and draft controlReference

—

Rear PTO

independentReference

Rear PTO Type

540 (1.375)Reference

540Reference

PTO (tested)

—

46.6 kWReference

Rear lift

—

2000 kgReference

Power at rated PTO speed

—

45.6 kWReference

Dimensions

Weight

3310 kgReference

5407 to 6029 poundsReference

Front tire

13.6x38Reference

7.50-16Reference

Rear tire

13.6x38Reference

16.9-30Reference

Standard tires (ag)

Front: 13.6x38. Rear: 13.6x38Reference

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Wheelbase

—

226 cmReference

Ag front

—

11.2-24 (4WD)Reference

Ag rear

—

16.9-30Reference

Length

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355 cmReference

Operating weight

—

2734 kgReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

Charging amps

33Reference

55 (with cab and A/C)Reference

Battery volts

12Reference

Hesston 680 attachments

Attachment overview

Hesston 680 Height

Hood

—

163 cmReference

ROPS

—

257 cmReference

Cab

—

252 cmReference

Test results

Fuel use

—

13.2 l/hourReference

Max pull

—

2835 kgReference

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.