David Brown 990 Selectmatic vs IMR-RAKOVICA R-60

10 material differences · fewer than 12

Tractor one

1965–1979

No measured PTO figure

Tractor two

from 1967

No measured PTO figure

Which should you choose?

Read our verdict on the 990 Selectmatic and the R-60 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

10 material differences · 4 fields identical or within 5%, which is not counted as material

David Brown 990 Selectmatic and IMR-RAKOVICA R-60, field by field
Field	990 Selectmatic	R-60	Gap
Engine
Engine power, claimed claimed	—	49.3 hp	—
Engine declared	DAVID BROWN AD 4/47 or AD 4/49 A (B)	IMR-PERKINS M-34/T	differs
Displacement declared	—	3.34 L	—
Maximum torque declared	140 lb·ft · 190 N·m	138 lb·ft · 187 N·m	—
Transmission
Top speed declared	15.5 mph · 25 km/h	18.6 mph · 30 km/h	+20% R-60
Clutch declared	pedal-operated dry Borg & Beck single-disc clutch	Pedal-operated, two-stage dry IKARUS double clutch	differs
Hydraulics & hitch
Pump flow declared	7.3 gpm · 27.5 L/min	9.5 gpm · 36.1 L/min	+31% R-60
Three-point lift at ends declared	2,000 lb · 907 kg	—	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,688 lb · 2,580 kg	4,784 lb · 2,170 kg	+19% 990 Selectmatic
Wheelbase declared	78.7 in · 2,000 mm	80.7 in · 2,050 mm	—
Length declared	126.0 in · 3,200 mm	149.6 in · 3,800 mm	+19% R-60
Width declared	67.0 in · 1,702 mm	73.2 in · 1,860 mm	+9% R-60
Height declared	59.5 in · 1,511 mm	63.8 in · 1,620 mm	+7% R-60
Ground clearance declared	21.4 in · 543 mm	17.7 in · 450 mm	+21% 990 Selectmatic
Turning radius, braked declared	10.3 ft · 3.14 m	11.2 ft · 3.41 m	+9% R-60
Fuel tank declared	64.9 qt · 61.4 L	63.4 qt · 60.0 L	—

Source

Source