7 material differences · fewer than 12

Tractor oneMassey Ferguson MF 397 Turbo1991–1994No measured PTO figureTractor twoNew Holland 6635 (A)1996–1998No measured PTO figure

Which should you choose?

Read our verdict on the MF 397 Turbo and the 6635 (A) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

7 material differences · 6 fields identical or within 5%, which is not counted as material

Massey Ferguson MF 397 Turbo and New Holland 6635 (A), field by field
Field	MF 397 Turbo	6635 (A)	Gap
Engine
Engine power, claimed claimed	83.9 hp	83.9 hp	—
Engine declared	Perkins AT 4.236 C	Iveco 8045.25	differs
Displacement declared	3.87 L	3.91 L	—
Maximum torque declared	235 lb·ft · 319 N·m	217 lb·ft · 294 N·m	+9% MF 397 Turbo
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	18.6–24.9 mph · 30–40 km/h	—
Clutch declared	Dry, air-cooled double clutch	—	—
Hydraulics & hitch
Hydraulic centre declared	Open centre	—	—
Pump flow declared	—	11.8 gpm · 44.5 L/min	—
Pressure declared	—	2,103–2,466 psi · 145–170 bar	—
Rear PTO speeds declared	540/1000 rpm	540/540E/1000 rpm	differs
Weight & dimensions
Unladen weight declared	8,422 lb · 3,820 kg	9,414 lb · 4,270 kg	+12% 6635 (A)
Maximum permissible mass declared	—	12,787 lb · 5,800 kg	—
Wheelbase declared	95.1 in · 2,415 mm	92.2 in · 2,342 mm	—
Length declared	157.5 in · 4,000 mm	157.5 in · 4,000 mm	—
Width declared	82.7 in · 2,100 mm	79.5–105.7 in · 2,020–2,685 mm	differs
Height, over the cab declared	105.5 in · 2,680 mm	100.4 in · 2,550 mm	—
Ground clearance declared	16.7 in · 425 mm	19.7 in · 500 mm	+18% 6635 (A)
Turning radius, braked declared	—	11.5 ft · 3.50 m	—
Fuel tank declared	107.8 qt · 102.0 L	121.5 qt · 115.0 L	+13% 6635 (A)

Source

Source