10 material differences · fewer than 12

Tractor oneDavid Brown 770 Selematic1965–1970No measured PTO figureTractor twoJ.I. Case 4411960–1969No measured PTO figure

Which should you choose?

Read our verdict on the 770 Selematic and the 441 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

10 material differences · 2 fields identical or within 5%, which is not counted as material

David Brown 770 Selematic and J.I. Case 441, field by field
Field	770 Selematic	441	Gap
Engine
Engine power, claimed claimed	33.0 hp	34.1 hp	—
Engine declared	DAVID BROWN AD 3/49 A (B)	—	—
Displacement declared	2.39 L	—	—
Maximum torque declared	101 lb·ft · 137 N·m	—	—
Transmission
Top speed declared	15.5 mph · 25 km/h	12.4–21.7 mph · 20–35 km/h	differs
Clutch declared	Pedal-operated dry Borg & Beck single-plate clutch	—	—
Hydraulics & hitch
Pump flow declared	5.4 gpm · 20.4 L/min	8.5 gpm · 32.2 L/min	+58% 441
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	3,228 lb · 1,464 kg	3,620 lb · 1,642 kg	+12% 441
Wheelbase declared	75.0 in · 1,905 mm	85.0 in · 2,159 mm	+13% 441
Length declared	112.5 in · 2,858 mm	130.1 in · 3,305 mm	+16% 441
Width declared	64.6 in · 1,641 mm	79.6 in · 2,022 mm	+23% 441
Height, over the bonnet declared	48.0 in · 1,219 mm	57.0 in · 1,448 mm	+19% 441
Ground clearance declared	16.5 in · 419 mm	20.1 in · 510 mm	+22% 441
Turning radius, braked declared	10.1 ft · 3.07 m	7.9 ft · 2.41 m	+27% 770 Selematic
Fuel tank declared	38.5 qt · 36.4 L	40.8 qt · 38.6 L	+6% 441

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