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Hesston 666 vs Hesston 680
Verdict: Hesston 666 vs Hesston 680
The Hesston 666 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 680 is the lighter machine (5,407 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 680 holds more fuel (79.9 L vs 72.7 L) for longer stints between fills. Hesston 666 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.
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Fit & specs
Hesston
62
Fit score
Best match
Clear
Hesston
62
Fit score
Best match
Clear
Rated power
62 hp
62 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
HesstonReference
—
Manufacturer
FiatReference
Hesston (a part of Fiat)Reference
Four synchronized gears in three ranges.Reference
Four gears with four ranges provides sixteen forward speeds.Reference
Original price
$19,600 (1984)Reference
$21,550 (1984)Reference
Steering
hydrostatic powerReference
hydrostatic powerReference
Drive
—
4x4 MFWD 4WD (680DT)Reference
Variants
666
similar Fiat modelReference
—
680
—
2WDReference
666DT
4WDReference
—
666HC
high-cropReference
—
680DT
—
4WDReference
Engine
Fuel tank
72.7 LReference
79.9 LReference
Drawbar (claimed)
40.5 kWReference
—
Drawbar (tested)
39.6 kWReference
39.8 kWReference
Displacement
3.5 LReference
3.5 LReference
Bore/Stroke
100 x 110 mmReference
100 x 110 mmReference
Starter volts
12Reference
12Reference
Power at rated engine speed
46.5 kWReference
46.6 kWReference
Max power
39.6 kWReference
39.8 kWReference
Fuel system
—
direct injectionReference
Compression
—
17:1Reference
Rated RPM
—
2500Reference
Transmission
Gears
20 forward and 8 reverseReference
8 forward and reverseReference
PTO & Hydraulics
PTO (claimed)
46.2 kWReference
46.2 kWReference
PTO (tested)
46.5 kWReference
46.6 kWReference
Type
creeperReference
mechanical shuttleReference
Pressure
186.2 barReference
186.3 barReference
Valves
1 or 2Reference
2Reference
Pump flow
41.6 lpmReference
41.6 lpmReference
Rear Type
I/IIReference
IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540Reference
540Reference
Power at rated PTO speed
45.0 kWReference
45.6 kWReference
Rear lift
—
2000 kgReference
Dimensions
Wheelbase
224 cmReference
226 cmReference
Weight
5689 to 6350 poundsReference
5407 to 6029 poundsReference
Front tire
7.50-16Reference
7.50-16Reference
Rear tire
14.9-30Reference
16.9-30Reference
Ag front
9.5-24 (4WD)Reference
11.2-24 (4WD)Reference
Ag rear
14.9-30Reference
16.9-30Reference
Length
363 cmReference
355 cmReference
Operating weight
2880 kgReference
2734 kgReference
Ground clearance
40 cmReference
—
Electrical
Charging system
alternatorReference
alternatorReference
Charging amps
33Reference
55 (with cab and A/C)Reference
Battery volts
—
12Reference
Hesston 666 Height
Hood
149 cmReference
163 cmReference
Exhaust
246 cmReference
—
Test results
Fuel use
13.2 l/hourReference
13.2 l/hourReference
Max pull
—
2835 kgReference
Hesston 680 attachments
Attachment overview
Hesston 680 Height
ROPS
—
257 cmReference
Cab
—
252 cmReference
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.