VALMET 6100-4 vs VALMET 665

14 material differences

Tractor one

1991–1994

No measured PTO figure

Tractor two

1992–1997

No measured PTO figure

Which should you choose?

Read our verdict on the 6100-4 and the 665 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

VALMET 6100-4 and VALMET 665, field by field
Field	6100-4	665	Gap
Engine
Engine power, claimed claimed	77.9 hp	78.9 hp	—
Engine declared	VALMET 320 DS	VALMET 420 D	differs
Displacement declared	3.30 L	4.40 L	+33% 665
Maximum torque declared	229 lb·ft · 310 N·m	214 lb·ft · 290 N·m	+7% 6100-4
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	18.6–24.9 mph · 30–40 km/h	—
Clutch declared	Pedal-operated, dry Fichtel & Sachs single-plate clutch	Dry LuK double clutch	differs
Hydraulics & hitch
Pump flow declared	21.2 gpm · 80.3 L/min	13.8 gpm · 52.4 L/min	+53% 6100-4
Pressure declared	2,031–2,248 psi · 140–155 bar	2,901 psi · 200 bar	differs
Three-point lift at ends declared	9,601 lb · 4,355 kg	5,688 lb · 2,580 kg	+69% 6100-4
Rear PTO speeds declared	540/1000 rpm	540E/540 rpm	differs
Weight & dimensions
Unladen weight declared	8,818 lb · 4,000 kg	7,231 lb · 3,280 kg	+22% 6100-4
Maximum permissible mass declared	13,889 lb · 6,300 kg	—	—
Wheelbase declared	90.6 in · 2,302 mm	94.1 in · 2,390 mm	—
Length declared	169.1 in · 4,295 mm	157.5 in · 4,000 mm	+7% 6100-4
Width declared	85.2 in · 2,165 mm	79.9 in · 2,030 mm	+7% 6100-4
Height declared	106.1 in · 2,695 mm	101.2 in · 2,570 mm	—
Ground clearance declared	16.1 in · 410 mm	18.1 in · 460 mm	+12% 665
Turning radius, braked declared	13.1 ft · 4.00 m	15.7 ft · 4.80 m	+20% 665
Fuel tank declared	167.0 qt · 158.0 L	77.1 qt · 73.0 L	+116% 6100-4

Source

Source