10 material differences · fewer than 12

Tractor oneHürlimann H-490 (A)1979–1983No measured PTO figureTractor twoSOMECA 850 (TD)1969–1975No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (27%); they were not built in overlapping years (1979–1983; 1969–1975). 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

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

Hürlimann H-490 (A) and SOMECA 850 (TD), field by field
Field	H-490 (A)	850 (TD)	Gap
Engine
Engine power, claimed claimed	88.8 hp	83.8 hp	+6% H-490 (A)
Engine declared	Hürlimann H-1104/8 or H-1104/8-Turbo	O.M.-FIAT CO 3/80 Var.4	differs
Displacement declared	4.56 L	4.94 L	+8% 850 (TD)
Maximum torque declared	260 lb·ft · 352 N·m	235 lb·ft · 318 N·m	+11% H-490 (A)
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	15.5 mph · 25 km/h	differs
Clutch declared	Dry SAME double clutch	Dry Feredo double clutch	differs
Hydraulics & hitch
Pump flow declared	—	10.0 gpm · 38.0 L/min	—
Pressure declared	—	2,843 psi · 196 bar	—
Rear PTO speeds declared	540/1000 rpm	—	—
Weight & dimensions
Unladen weight declared	8,929–10,020 lb · 4,050–4,545 kg	7,044 lb · 3,195 kg	differs
Maximum permissible mass declared	14,551 lb · 6,600 kg	—	—
Wheelbase declared	96.7 in · 2,457 mm	93.0 in · 2,362 mm	—
Length declared	166.5 in · 4,230 mm	159.4 in · 4,050 mm	—
Width declared	81.5–101.2 in · 2,070–2,570 mm	76.2–99.7 in · 1,935–2,532 mm	differs
Height, over the cab declared	112.2 in · 2,850 mm	103.1 in · 2,620 mm	+9% H-490 (A)
Ground clearance declared	13.8 in · 350 mm	20.4 in · 518 mm	+48% 850 (TD)
Turning radius, braked declared	—	12.6 ft · 3.84 m	—
Fuel tank declared	169.1 qt · 160.0 L	95.1 qt · 90.0 L	+78% H-490 (A)

Hürlimann H-490 (A) sources

Source

Source: Traktorenlexikon, “Hürlimann H 490”

SOMECA 850 (TD) sources