Compare/Hesston 666DT High Crop vs Hesston 70-66

Hesston 666DT High Crop vs Hesston 70-66

Verdict: Hesston 666DT High Crop vs Hesston 70-66

The Hesston 666DT High Crop and the Hesston 70-66 are both tractors — here is how they stack up on the figures that matter. Hesston 70-66 leads on rated power with 63 hp against 62 hp. Hesston 666DT High Crop is the lighter machine (3,310 kg vs 5,689 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hesston 70-66 is the newer design (1985 vs 1983). In short: choose the Hesston 70-66 for outright pulling power, or the Hesston 666DT High Crop if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

63 hp

Confidence

40%

Guide price

—

Overview

Distributor

HesstonReference

Manufacturer

FiatReference

liquid-cooledReference

Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.Reference

Variants

766

utilityReference

—

766HC

high-cropReference

—

70-66

—

utility 2WD[6073]Reference

70-66DT

—

utility 4WD[6073]Reference

70-66ORDT

—

orchard 4WDReference

70-66HC

—

high-cropReference

70-66HCDT

—

high-crop 4WDReference

Engine

Fuel tank

72.7 LReference

Displacement

3.5 LReference

3.6 LReference

Bore/Stroke

100 x 110 mmReference

100 x 115 mmReference

Fuel system

direct injectionReference

—

Pre-heating

ether injectionReference

—

Starter

electricReference

Starter volts

12Reference

Engine

—

52.2 kWReference

Drawbar (claimed)

—

40.3 kWReference

Drawbar (tested)

—

40.4 kWReference

Power

—

52.2 kWReference

Compression

—

17:1Reference

Rated RPM

—

2500Reference

Power at rated engine speed

—

46.8 kWReference

Max power

—

40.4 kWReference

Transmission

Gears

12 forward and 4 reverseReference

20 forward and 8 reverseReference

Clutch

279.4mm cerametallic dry discReference

—

PTO & Hydraulics

PTO (claimed)

46.2 kWReference

46.8 kWReference

Type

partially synchronizedReference

creeperReference

Pressure

186.2 barReference

—

Valves

1Reference

1 to 3Reference

Pump flow

41.6 lpmReference

—

Rear Type

IIReference

I/IIReference

Control

position and draft controlReference

position and lower-link draft controlReference

Rear PTO

independentReference

Rear PTO Type

540 (1.375)Reference

540/groundReference

PTO (tested)

—

46.8 kWReference

Total flow

—

41.6 lpmReference

Rear lift

—

2355 kgReference

Power at rated PTO speed

—

46.8 kWReference

Dimensions

Weight

3310 kgReference

5689 to 6510 poundsReference

Front tire

13.6x38Reference

7.50-16Reference

Rear tire

13.6x38Reference

—

Standard tires (ag)

Front: 13.6x38. Rear: 13.6x38Reference

—

2WD Wheelbase

—

230 cmReference

4WD Wheelbase

—

224 cmReference

2WD Rear tire

—

14.9-30Reference

2WD Standard tires (ag)

—

Front: 7.50-16. Rear: 14.9-30Reference

4WD Standard tires (ag)

—

Front: 9.5-24. Rear: 14.9-30Reference

2WD Length

—

353 cmReference

4WD Length

—

363 cmReference

2WD Clearance (front axle)

—

52 cmReference

4WD Clearance (front axle)

—

41 cmReference

2WD Front tread

—

139 to 189 cmReference

4WD Front tread

—

153 to 195 cmReference

Rear tread

—

139 to 200 cmReference

2WD Shipping

—

2580 kgReference

4WD Shipping

—

2880 kgReference

4WD Operating

—

2952 kgReference

Ballasted

—

3948 kgReference

Steering wheel

—

165 cmReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

Charging amps

33Reference

Battery volts

12Reference

Hesston 70-66 attachments

Hesston 70-66 Height

Hood

—

149 cmReference

ROPS

—

247 cmReference

Test results

Fuel use

—

13.6 l/hourReference

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.