J.I. Case 1390 (DT) vs SOMECA 680 (TD)

13 material differences

Tractor one

1980–1984

No measured PTO figure

Tractor two

1978–1983

No measured PTO figure

Which should you choose?

Read our verdict on the 1390 (DT) and the 680 (TD) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

J.I. Case 1390 (DT) and SOMECA 680 (TD), field by field
Field	1390 (DT)	680 (TD)	Gap
Engine
Engine power, claimed claimed	66.1 hp	67 hp	—
Engine declared	DAVID BROWN AD 4/55	FIAT-IVECO 8045.02.270 (370)	differs
Displacement declared	3.20 L	3.46 L	+8% 680 (TD)
Maximum torque declared	168 lb·ft · 228 N·m	—	—
Transmission
Top speed declared	18.6 mph · 30 km/h	15.5 mph · 25 km/h	+20% 1390 (DT)
Clutch declared	Dry Borg and Beck double clutch	Dry FERODO double clutch	differs
Hydraulics & hitch
Pump flow declared	8.7 gpm · 32.9 L/min	6.8 gpm · 25.8 L/min	+28% 1390 (DT)
Pressure declared	—	2,843 psi · 196 bar	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	6,363 lb · 2,886 kg	5,512 lb · 2,500 kg	+15% 1390 (DT)
Wheelbase declared	83.0 in · 2,108 mm	89.2 in · 2,265 mm	+7% 680 (TD)
Length declared	142.9 in · 3,630 mm	154.3 in · 3,920 mm	+8% 680 (TD)
Width declared	72.8 in · 1,850 mm	80.3 in · 2,040 mm	+10% 680 (TD)
Height declared	100.0 in · 2,540 mm	104.1 in · 2,645 mm	—
Ground clearance declared	15.0 in · 381 mm	20.0 in · 508 mm	+33% 680 (TD)
Turning radius, braked declared	10.5 ft · 3.20 m	11.2 ft · 3.40 m	+6% 680 (TD)
Fuel tank declared	99.3 qt · 94.0 L	84.5 qt · 80.0 L	+18% 1390 (DT)

Source

Source