Compare/Hesston 666DT High Crop vs Hesston 70-90

Hesston 666DT High Crop vs Hesston 70-90

Verdict: Hesston 666DT High Crop vs Hesston 70-90

The Hesston 666DT High Crop and the Hesston 70-90 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 6,798 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hesston 70-90 holds more fuel (79.9 L vs 72.7 L) for longer stints between fills. Hesston 70-90 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

liquid-cooledReference

With 18.4-30 rear tires.Reference

Final drives

—

planetaryReference

Differential lock

—

mechanical rearReference

Variants

766

utilityReference

—

766HC

high-cropReference

—

70-90DT

—

4WDReference

Engine

Fuel tank

72.7 LReference

79.9 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 (tested)

—

40.2 kWReference

Power

—

52.2 kWReference

Compression

—

17:1Reference

Rated RPM

—

2500Reference

Power at rated engine speed

—

46.4 kWReference

Max power

—

40.2 kWReference

Transmission

Gears

12 forward and 4 reverseReference

20 forward and 8 reverseReference

Clutch

279.4mm cerametallic dry discReference

279.4mm dry discReference

PTO & Hydraulics

PTO (claimed)

46.2 kWReference

Type

partially synchronizedReference

creeperReference

Pressure

186.2 barReference

186.3 barReference

Valves

1Reference

—

Pump flow

41.6 lpmReference

Rear Type

IIReference

Control

position and draft controlReference

—

Rear PTO

independentReference

Rear PTO Type

540 (1.375)Reference

PTO (tested)

—

46.4 kWReference

Rear valves

—

2 or 3Reference

Rear lift

—

2364 kgReference

Engine RPM

—

540@2198Reference

Power at rated PTO speed

—

46.2 kWReference

Dimensions

Weight

3310 kgReference

6798 to 7436 poundsReference

Front tire

13.6x38Reference

7.50-16Reference

Rear tire

13.6x38Reference

16.9-30Reference

Standard tires (ag)

Front: 13.6x38. Rear: 13.6x38Reference

—

2WD Wheelbase

—

226 cmReference

4WD Wheelbase

—

227 cmReference

2WD Ag front

—

9.5L-15Reference

4WD Ag front

—

12.4-24Reference

Ag rear

—

13.6-38Reference

2WD Length

—

343 cmReference

4WD Length

—

356 cmReference

2WD Front tread

—

140 to 191 cmReference

4WD Front tread

—

162 to 195 cmReference

Rear tread

—

139 to 200 cmReference

2WD

—

3083 kgReference

4WD

—

3372 kgReference

Operating

—

3220 kgReference

Ballasted

—

3526 kgReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

33Reference

65Reference

Battery volts

12Reference

Hesston 70-90 Height

2WD Hood

—

147 cmReference

4WD Hood

—

163 cmReference

ROPS

—

257 cmReference

Cab

—

252 cmReference

Test results

Fuel use

—

14.4 l/hourReference

Max pull

—

2829 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.