David Brown 990 Selectmatic vs SAME Falcon 50

10 material differences · fewer than 12

Tractor one

1965–1979

No measured PTO figure

Tractor two

1974–1987

No measured PTO figure

Which should you choose?

Read our verdict on the 990 Selectmatic and the Falcon 50 → 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 SAME Falcon 50, field by field
Field	990 Selectmatic	Falcon 50	Gap
Engine
Engine power, claimed claimed	—	49.3 hp	—
Engine declared	DAVID BROWN AD 4/47 or AD 4/49 A (B)	SAME DA 03544-983 L	differs
Displacement declared	—	2.72 L	—
Maximum torque declared	140 lb·ft · 190 N·m	125 lb·ft · 170 N·m	+12% 990 Selectmatic
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	pedal-operated dry Borg & Beck single-disc clutch	Pedal operated dry two stage double clutch with coil springs	differs
Hydraulics & hitch
Pump flow declared	7.3 gpm · 27.5 L/min	4.8 gpm · 18.0 L/min	+53% 990 Selectmatic
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	4,365 lb · 1,980 kg	+30% 990 Selectmatic
Maximum permissible mass declared	—	7,606 lb · 3,450 kg	—
Wheelbase declared	78.7 in · 2,000 mm	73.2 in · 1,860 mm	+8% 990 Selectmatic
Length declared	126.0 in · 3,200 mm	125.2 in · 3,180 mm	—
Width declared	67.0 in · 1,702 mm	73.2 in · 1,860 mm	+9% Falcon 50
Height declared	59.5 in · 1,511 mm	89.4 in · 2,270 mm	+50% Falcon 50
Ground clearance declared	21.4 in · 543 mm	14.2 in · 360 mm	+51% 990 Selectmatic
Turning radius, braked declared	10.3 ft · 3.14 m	10.3 ft · 3.15 m	—
Fuel tank declared	64.9 qt · 61.4 L	47.6 qt · 45.0 L	+36% 990 Selectmatic

Source

Source