J.I. Case 640 vs John Deere 2020 OU

7 material differences · fewer than 12

Tractor one

1960–1969

No measured PTO figure

Tractor two

1967–1972

No measured PTO figure

Which should you choose?

Read our verdict on the 640 and the 2020 OU → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

J.I. Case 640 and John Deere 2020 OU, field by field
Field	640	2020 OU	Gap
Engine
Engine power, claimed claimed	52.0 hp	59.3 hp	+14% 2020 OU
Engine declared	—	John Deere M 5 BL 4 or 4202 DL-01	—
Displacement declared	—	3.32 L	—
Maximum torque declared	—	141 lb·ft · 191 N·m	—
Transmission
Top speed declared	12.4–21.7 mph · 20–35 km/h	12.4–15.5 mph · 20–25 km/h	differs
Clutch declared	—	Pedal operated two stage and dry Fichtel & Sachs double clutch	—
Hydraulics & hitch
Hydraulic centre declared	—	Closed centre	—
Pump flow declared	9.3 gpm · 35.2 L/min	6.6 gpm · 24.8 L/min	+42% 640
Three-point lift at ends declared	—	4,079 lb · 1,850 kg	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	4,495 lb · 2,039 kg	5,159 lb · 2,340 kg	+15% 2020 OU
Maximum permissible mass declared	—	8,818 lb · 4,000 kg	—
Wheelbase declared	79.3 in · 2,013 mm	80.1 in · 2,035 mm	—
Length declared	134.5 in · 3,416 mm	140.6 in · 3,570 mm	—
Width declared	80.7 in · 2,051 mm	61.4 in · 1,560 mm	+31% 640
Height declared	63.5 in · 1,613 mm	53.8 in · 1,366 mm	+18% 640
Ground clearance declared	20.9 in · 530 mm	13.2 in · 336 mm	+58% 640
Turning radius, braked declared	9.8 ft · 3.00 m	10.1 ft · 3.08 m	—
Fuel tank declared	69.2 qt · 65.5 L	78.0 qt · 73.8 L	+13% 2020 OU

Source

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