7 material differences · fewer than 12

Tractor oneFiat 1880 (DT)1979–1984No measured PTO figureTractor twoJohn Deere 48401978–1982No measured PTO figure

Which should you choose?

Read our verdict on the 1880 (DT) and the 4840 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

7 material differences · 7 fields identical or within 5%, which is not counted as material

Fiat 1880 (DT) and John Deere 4840, field by field
Field	1880 (DT)	4840	Gap
Engine
Engine power, claimed claimed	177.7 hp	178.6 hp	—
Engine declared	FIAT-IVECO 8365.25.500	John Deere 6.466 AT	differs
Displacement declared	8.10 L	7.64 L	+6% 1880 (DT)
Maximum torque declared	504 lb·ft · 684 N·m	—	—
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	18.6 mph · 30 km/h	differs
Clutch declared	—	Hydraulically operated oil-cooled double-plate clutch	—
Hydraulics & hitch
Hydraulic centre declared	—	Closed centre	—
Pump flow declared	14.7 gpm · 55.8 L/min	23.0 gpm · 87.1 L/min	+56% 4840
Pressure declared	3,336–3,481 psi · 230–240 bar	3,481 psi · 240 bar	—
Rear PTO speeds declared	540/1000 rpm	1000 rpm	differs
Weight & dimensions
Unladen weight declared	14,286 lb · 6,480 kg	14,899 lb · 6,758 kg	—
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	171.9 in · 4,365 mm	176.8 in · 4,490 mm	—
Width declared	92.9 in · 2,360 mm	95.7 in · 2,430 mm	—
Height, over the cab declared	112.8 in · 2,865 mm	116.9 in · 2,970 mm	—
Ground clearance declared	27.4 in · 695 mm	—	—
Turning radius, braked declared	15.1 ft · 4.60 m	13.5 ft · 4.10 m	+12% 1880 (DT)
Fuel tank declared	190.2 qt · 180.0 L	412.0 qt · 389.9 L	+117% 4840

Source

Source