Hermann Lanz D 634 vs SOMECA 400 (DT)

9 material differences · fewer than 12

Tractor one

1974–1978

No measured PTO figure

Tractor two

1968–1971

No measured PTO figure

Which should you choose?

Read our verdict on the D 634 and the 400 (DT) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Hermann Lanz D 634 and SOMECA 400 (DT), field by field
Field	D 634	400 (DT)	Gap
Engine
Engine power, claimed claimed	33.4 hp	34 hp	—
Engine declared	MWM D 226-2	O.M.-FIAT 8035.01.201	differs
Displacement declared	2.08 L	2.34 L	+13% 400 (DT)
Maximum torque declared	—	103 lb·ft · 140 N·m	—
Transmission
Top speed declared	17.5 mph · 28.1 km/h	15.5 mph · 25 km/h	+12% D 634
Hydraulics & hitch
Pump flow declared	—	5.8 gpm · 21.8 L/min	—
Pressure declared	—	2,843 psi · 196 bar	—
Three-point lift at ends declared	4,079 lb · 1,850 kg	2,866 lb · 1,300 kg	+42% D 634
Rear PTO speeds declared	580/1120 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	3,924 lb · 1,780 kg	3,748 lb · 1,700 kg	—
Wheelbase declared	81.9 in · 2,080 mm	75.6 in · 1,920 mm	+8% D 634
Length declared	129.9 in · 3,300 mm	126.0 in · 3,200 mm	—
Width declared	59.8 in · 1,520 mm	62.4 in · 1,585 mm	—
Height declared	51.2 in · 1,300 mm	67.5 in · 1,715 mm	+32% 400 (DT)
Ground clearance declared	13.0 in · 330 mm	14.6 in · 370 mm	+12% 400 (DT)
Turning radius, braked declared	—	9.7 ft · 2.95 m	—
Fuel tank declared	37.0 qt · 35 L	57.1 qt · 54.0 L	+54% 400 (DT)

Source

Source