7 material differences · fewer than 12

Tractor oneJohn Deere 84001994–1998No measured PTO figureTractor twoMassey Ferguson MF 84702004–2008No measured PTO figure

Which should you choose?

Read our verdict on the 8400 and the MF 8470 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

John Deere 8400 and Massey Ferguson MF 8470, field by field
Field	8400	MF 8470	Gap
Engine
Engine power, claimed claimed	256.7 hp	256.7 hp	—
Engine declared	John Deere-PowerTech 6.081 HRW-01	SISU-Power 84.329 ETA	differs
Displacement declared	8.12 L	8.42 L	—
Maximum torque declared	777 lb·ft · 1,054 N·m	763 lb·ft · 1,035 N·m	—
Transmission
Top speed declared	23.6 mph · 38 km/h	24.9–31.1 mph · 40–50 km/h	differs
Clutch declared	Pedal-operated hydraulic-wet John Deere multi-disc clutch	—	—
Hydraulics & hitch
Hydraulic control declared	Load sensing	Load sensing	—
Pump flow declared	—	39.6 gpm · 150.0 L/min	—
Pressure declared	—	2,176 psi · 150 bar	—
Rear PTO speeds declared	1000 rpm	540/1000/540E rpm	differs
Weight & dimensions
Unladen weight declared	19,191 lb · 8,705 kg	20,371 lb · 9,240 kg	+6% MF 8470
Maximum permissible mass declared	30,865 lb · 14,000 kg	30,865 lb · 14,000 kg	—
Wheelbase declared	—	121.1 in · 3,075 mm	—
Length declared	214.4 in · 5,447 mm	209.4 in · 5,320 mm	—
Width declared	118.6–130.4 in · 3,012–3,312 mm	100.4 in · 2,550 mm	differs
Height, over the cab declared	121.7 in · 3,090 mm	125.2 in · 3,180 mm	—
Ground clearance declared	15.9 in · 405 mm	19.7 in · 500 mm	+23% MF 8470
Fuel tank declared	541.0 qt · 512.0 L	697.4 qt · 660.0 L	+29% MF 8470

Source

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