6 material differences · fewer than 12

Tractor oneDeutz-Fahr DX 3.80 AS1985–1990No measured PTO figureTractor twoDeutz-Fahr DX 3.901984–1989No measured PTO figure

Which should you choose?

Read our verdict on the DX 3.80 AS and the DX 3.90 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

6 material differences · 12 fields identical or within 5%, which is not counted as material

Deutz-Fahr DX 3.80 AS and Deutz-Fahr DX 3.90, field by field
Field	DX 3.80 AS	DX 3.90	Gap
Engine
Engine power, claimed claimed	74 hp	74 hp	—
Engine declared	KHD F4L 913	KHD F4L 913	—
Displacement declared	4.09 L	4.09 L	—
Maximum torque declared	192 lb·ft · 260 N·m	192 lb·ft · 260 N·m	—
Transmission
Top speed declared	18.6 mph · 30 km/h	18.6 mph · 30 km/h	—
Clutch declared	Independent dry double clutch	Independent dry double clutch	—
Hydraulics & hitch
Hydraulic centre declared	Open centre	—	—
Pump flow declared	10.6 gpm · 40.0 L/min	11.4 gpm · 43.1 L/min	+8% DX 3.90
Pressure declared	3,481 psi · 240 bar	3,481 psi · 240 bar	—
Three-point lift, at the coupling points declared	5,291 lb · 2,400 kg	7,275 lb · 3,300 kg	+38% DX 3.90
Rear PTO speeds declared	540/1000 rpm	540 rpm / 1000 rpm	differs
Weight & dimensions
Unladen weight declared	7,275 lb · 3,300 kg	6,923 lb · 3,140 kg	—
Maximum permissible mass declared	8,818 lb · 4,000 kg	11,023 lb · 5,000 kg	+25% DX 3.90
Wheelbase declared	88.6 in · 2,250 mm	91.6 in · 2,327 mm	—
Length declared	148.8 in · 3,780 mm	153.9 in · 3,910 mm	—
Width declared	74.4 in · 1,890 mm	84.2 in · 2,138 mm	+13% DX 3.90
Height, over the cab declared	92.9 in · 2,360 mm	97.2 in · 2,470 mm	—
Ground clearance declared	13.4 in · 340 mm	18.0 in · 457 mm	+34% DX 3.90
Fuel tank declared	100.4 qt · 95 L	100.4 qt · 95.0 L	—

Source

Source