9 material differences · fewer than 12

Tractor oneHürlimann D 80 SSK1956–1958No measured PTO figureTractor twoKramer KL 4001960–1967No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1956–1958; 1960–1967). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

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

Hürlimann D 80 SSK and Kramer KL 400, field by field
Field	D 80 SSK	KL 400	Gap
Engine
Engine power, claimed claimed	37.4 hp	37.3 hp	—
Engine declared	Hürlimann D-80	12/1960 bis 2/1964 = KHD F3L 712	differs
Displacement declared	2.36 L	2.55 L	+8% KL 400
Maximum torque declared	—	92 lb·ft · 125 N·m	—
Transmission
Top speed declared	12.4 mph · 20 km/h	12.4–17.0 mph · 20.0–27.4 km/h	differs
Clutch declared	—	Double clutch by Fichtel & Sachs	—
Hydraulics & hitch
Pump flow declared	—	5.3 gpm · 20.0 L/min	—
Pressure declared	640 psi · 44 bar	1,707 psi · 118 bar	+168% KL 400
Rear PTO speeds declared	540 rpm	585 rpm	differs
Weight & dimensions
Unladen weight declared	3,805 lb · 1,726 kg	3,946–4,299 lb · 1,790–1,950 kg	differs
Maximum permissible mass declared	—	5,512 lb · 2,500 kg	—
Wheelbase declared	71.3 in · 1,810 mm	77.2–80.7 in · 1,960–2,050 mm	differs
Length declared	115.2 in · 2,925 mm	124.0–130.9 in · 3,150–3,325 mm	differs
Width declared	63.0 in · 1,600 mm	62.6 in · 1,590 mm	—
Height, over the steering wheel declared	64.3 in · 1,633 mm	63.0 in · 1,600 mm	—
Ground clearance declared	16.1 in · 410 mm	15.7 in · 400 mm	—
Turning radius, braked declared	8.9 ft · 2.70 m	—	—
Fuel tank declared	41.2 qt · 39 L	44.4 qt · 42 L	+8% KL 400

Hürlimann D 80 SSK sources

Source

Source: Traktorenlexikon, “Hürlimann D 80 SSK”
Source: Traktorenlexikon, “Hürlimann D 80”

Kramer KL 400 sources