David Brown 990 (A) vs Ford 4600 (A)

7 material differences · fewer than 12

Tractor one

David Brown 990 (A)

1971–1976

No measured PTO figure

Tractor two

Ford 4600 (A)

1975–1981

No measured PTO figure

Which should you choose?

Read our verdict on the 990 (A) and the 4600 (A) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

Field by field

7 material differences · 8 fields identical or within 5%, which is not counted as material

David Brown 990 (A) and Ford 4600 (A), field by field
Field990 (A)4600 (A)Gap
Engine
Engine power, claimed claimed57.3 hp59.1 hp
Engine declaredDAVID BROWN AD 4/49Ford 201 DFdiffers
Displacement declared3.19 L3.29 L
Maximum torque declared152 lb·ft · 206 N·m
Transmission
Top speed declared15.5 mph · 25 km/h18.6 mph · 30 km/h+20% 4600 (A)
Clutch declaredDry two-stage double clutchPedal-operated dry BORG & BECK single-disc clutchdiffers
Hydraulics & hitch
Pump flow declared8.6 gpm · 32.7 L/min
Three-point lift at ends declared4,251 lb · 1,928 kg3,197 lb · 1,450 kg+33% 990 (A)
Rear PTO speeds declared540 rpm540 rpm
Weight & dimensions
Unladen weight declared5,699 lb · 2,585 kg5,952 lb · 2,700 kg
Wheelbase declared82.0 in · 2,083 mm84.5 in · 2,146 mm
Length declared130.0 in · 3,302 mm135.7 in · 3,448 mm
Width declared67.0 in · 1,702 mm69.8 in · 1,772 mm
Height declared99.0 in · 2,515 mm92.8 in · 2,356 mm+7% 990 (A)
Ground clearance declared20.9 in · 530 mm22.0 in · 560 mm+6% 4600 (A)
Turning radius, braked declared10.8 ft · 3.28 m10.8 ft · 3.28 m
Fuel tank declared72.3 qt · 68.4 L63.9 qt · 60.5 L+13% 990 (A)

David Brown 990 (A) sources

Source
  • Source: Traktorenlexikon, “David Brown 900 Synchromesh”

Ford 4600 (A) sources

Source
  • Source: Traktorenlexikon, “Ford 4600”