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Fiat 56-66S vs Fiat 615
Verdict: Fiat 56-66S vs Fiat 615
The Fiat 56-66S and the Fiat 615 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 54 hp. Fiat 56-66S is the lighter machine (4,685 kg vs 5,997 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Fiat 56-66S is the newer design (1992 vs 1965). 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
Fiat
62
Fit score
Best match
Clear
Fiat
62
Fit score
Best match
Clear
Rated power
54 hp
54 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
FiatReference
FiatReference
liquid-cooledReference
liquid-cooledReference
Engine
Engine
40.5 kWReference
49.2 kWReference
Displacement
2.7 LReference
4.4 LReference
Bore/Stroke
100 x 115 mmReference
108 x 120 mmReference
Power
40.5 kWReference
49.2 kWReference
Rated RPM
2500Reference
1900Reference
Starter
electricReference
—
Starter volts
12Reference
12Reference
Fuel tank
—
79.9 LReference
Fuel system
—
direct injectionReference
Transmission
Type
creeperReference
gearReference
Gears
20 forward and 8 reverseReference
7 forward and 2 reverseReference
PTO & Hydraulics
Rear lift
2125 kgReference
2000 kgReference
Rear PTO Type
540/1000Reference
540 (1.375)Reference
PTO (claimed)
—
40.3 kWReference
Pump flow
—
26.5 lpmReference
Rear Type
—
IIReference
Engine RPM
—
540@1520Reference
Dimensions
2WD Wheelbase
199 cmReference
—
4WD Wheelbase
190 cmReference
—
Weight
4685 to 5236 poundsReference
5997 to 6967 poundsReference
Front tire
5.50-16Reference
6.50-20Reference
2WD Rear tire
12.4/11-28Reference
—
2WD Standard tires (ag)
Front: 5.50-16. Rear: 12.4/11-28Reference
—
4WD Standard tires (ag)
Front: 7.50-20. Rear: 12.4/11-28Reference
—
2WD Length
297 cmReference
—
4WD Length
296 cmReference
—
2WD Weight
2125 kgReference
2720 kgReference
4WD Weight
2375 kgReference
3160 kgReference
2WD Ground clearance
44 cmReference
—
4WD Ground clearance
33 cmReference
—
2WD Front tread
130 to 180 cmReference
—
4WD Front tread
138 to 181 cmReference
—
Rear tread
120 to 180 cmReference
147 to 195 cmReference
Steering wheel
145 cmReference
—
Wheelbase
—
216 cmReference
Rear tire
—
13.6-36Reference
Ag front
—
9.5-24 (4WD)Reference
Ag rear
—
13.6-36Reference
Length
—
350 cmReference
Width
—
195 cmReference
Height
—
148 cmReference
Ground clearance
—
46 cmReference
Front tread
—
143 to 210 cmReference
Electrical
Ground
negativeReference
—
Battery volts
12Reference
—
Fiat 56-66S Height
Hood
127 cmReference
—
Cab
224 cmReference
—
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.