10 material differences · fewer than 12

Tractor oneDavid Brown 990 (A)1971–1976No measured PTO figureTractor twoSAME Falcon 501974–1987No measured PTO figure

Which should you choose?

Read our verdict on the 990 (A) 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 (A) and SAME Falcon 50, field by field
Field	990 (A)	Falcon 50	Gap
Engine
Engine power, claimed claimed	57.3 hp	49.3 hp	+16% 990 (A)
Engine declared	DAVID BROWN AD 4/49	SAME DA 03544-983 L	differs
Displacement declared	3.19 L	2.72 L	+18% 990 (A)
Maximum torque declared	152 lb·ft · 206 N·m	125 lb·ft · 170 N·m	+21% 990 (A)
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	Dry two-stage double clutch	Pedal operated dry two stage double clutch with coil springs	differs
Hydraulics & hitch
Pump flow declared	—	4.8 gpm · 18.0 L/min	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,699 lb · 2,585 kg	4,365 lb · 1,980 kg	+31% 990 (A)
Maximum permissible mass declared	—	7,606 lb · 3,450 kg	—
Wheelbase declared	82.0 in · 2,083 mm	73.2 in · 1,860 mm	+12% 990 (A)
Length declared	130.0 in · 3,302 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, over the safety frame declared	99.0 in · 2,515 mm	89.4 in · 2,270 mm	+11% 990 (A)
Ground clearance declared	20.9 in · 530 mm	14.2 in · 360 mm	+47% 990 (A)
Turning radius, braked declared	10.8 ft · 3.28 m	10.3 ft · 3.15 m	—
Fuel tank declared	72.3 qt · 68.4 L	47.6 qt · 45.0 L	+52% 990 (A)

Source

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