11 material differences · fewer than 12

Tractor oneFiat 180-90 (DT)1984–1994No measured PTO figureTractor twoJohn Deere 48401978–1982No measured PTO figure

Which should you choose?

Read our verdict on the 180-90 (DT) and the 4840 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 5 fields identical or within 5%, which is not counted as material

Fiat 180-90 (DT) and John Deere 4840, field by field
Field	180-90 (DT)	4840	Gap
Engine
Engine power, claimed claimed	177.7 hp	178.6 hp	—
Engine declared	FIAT-IVECO 8365.25.502	John Deere 6.466 AT	differs
Displacement declared	8.10 L	7.64 L	+6% 180-90 (DT)
Maximum torque declared	459 lb·ft · 622 N·m	—	—
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	18.6 mph · 30 km/h	differs
Clutch declared	Pedal-operated hydraulic dry LUK double clutch	Hydraulically operated oil-cooled double-plate clutch	differs
Hydraulics & hitch
Hydraulic centre declared	Open centre	Closed centre	differs
Pump flow declared	13.4 gpm · 50.8 L/min	23.0 gpm · 87.1 L/min	+71% 4840
Pressure declared	3,046–3,118 psi · 210–215 bar	3,481 psi · 240 bar	differs
Rear PTO speeds declared	1000 rpm	1000 rpm	—
Weight & dimensions
Unladen weight declared	13,955 lb · 6,330 kg	14,899 lb · 6,758 kg	+7% 4840
Maximum permissible mass declared	22,046 lb · 10,000 kg	—	—
Wheelbase declared	116.7 in · 2,963 mm	118.5 in · 3,010 mm	—
Length declared	189.8 in · 4,820 mm	176.8 in · 4,490 mm	+7% 180-90 (DT)
Width declared	80.7–108.3 in · 2,050–2,750 mm	95.7 in · 2,430 mm	differs
Height, over the cab declared	115.4 in · 2,930 mm	116.9 in · 2,970 mm	—
Ground clearance declared	27.4 in · 695 mm	—	—
Turning radius, braked declared	13.2 ft · 4.03 m	13.5 ft · 4.10 m	—
Fuel tank declared	190.2 qt · 180.0 L	412.0 qt · 389.9 L	+117% 4840

Source

Source