J.I. Case 640 vs ZETOR 5511/5545

9 material differences · fewer than 12

Tractor one

1960–1969

No measured PTO figure

Tractor two

1966–1972

No measured PTO figure

Which should you choose?

Read our verdict on the 640 and the 5511/5545 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

9 material differences · 3 fields identical or within 5%, which is not counted as material

J.I. Case 640 and ZETOR 5511/5545, field by field
Field	640	5511/5545	Gap
Engine
Engine power, claimed claimed	52.0 hp	51.2 hp	—
Engine declared	—	ZETOR Z-5501	—
Displacement declared	—	3.12 L	—
Maximum torque declared	—	133 lb·ft · 180 N·m	—
Transmission
Top speed declared	12.4–21.7 mph · 20–35 km/h	18.6 mph · 30 km/h	differs
Clutch declared	—	Pedal operated dry two-stage double clutch with mechanical booster	—
Hydraulics & hitch
Pump flow declared	9.3 gpm · 35.2 L/min	5.3 gpm · 20.0 L/min	+76% 640
Pressure declared	—	2,134 psi · 147 bar	—
Three-point lift at ends declared	—	3,594 lb · 1,630 kg	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	4,495 lb · 2,039 kg	5,388 lb · 2,444 kg	+20% 5511/5545
Wheelbase declared	79.3 in · 2,013 mm	88.9 in · 2,257 mm	+12% 5511/5545
Length declared	134.5 in · 3,416 mm	146.1 in · 3,710 mm	+9% 5511/5545
Width declared	80.7 in · 2,051 mm	72.2 in · 1,833 mm	+12% 640
Height declared	63.5 in · 1,613 mm	63.8 in · 1,620 mm	—
Ground clearance declared	20.9 in · 530 mm	16.5 in · 420 mm	+26% 640
Turning radius, braked declared	9.8 ft · 3.00 m	11.0 ft · 3.34 m	+11% 5511/5545
Fuel tank declared	69.2 qt · 65.5 L	74.0 qt · 70.0 L	+7% 5511/5545

Source

Source