12 material differences

Tractor oneJohn Deere 6430 Premium2006–2011No measured PTO figureTractor twoJohn Deere 66202002–2007No measured PTO figure

Which should you choose?

Read our verdict on the 6430 Premium and the 6620 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

John Deere 6430 Premium and John Deere 6620, field by field
Field	6430 Premium	6620	Gap
Engine
Engine power, claimed claimed	123 hp	123 hp	—
Engine declared	John Deere PowrTech-Plus 4.045 HL/V4-CR	John Deere PowrTech 6.068 HLA-070/V2-DE or 6.068 HL-471/HP	differs
Displacement declared	4.53 L	6.79 L	+50% 6620
Maximum torque declared	378 lb·ft · 512 N·m	353 lb·ft · 479.0 N·m	+7% 6430 Premium
Transmission
Top speed declared	24.9–31.1 mph · 40–50 km/h	24.9–31.1 mph · 40–50 km/h	—
Hydraulics & hitch
Hydraulic centre declared	—	Closed centre	—
Hydraulic control declared	Load sensing	Load sensing	—
Pressure declared	3,408 psi · 235 bar	3,017–3,220 psi · 208–222 bar	differs
Three-point lift, at the coupling points declared	13,272 lb · 6,020 kg	16,755 lb · 7,600 kg	+26% 6620
Rear PTO speeds declared	540E/540/1000 rpm	540E/540/1000 rpm	—
Weight & dimensions
Unladen weight declared	10,439 lb · 4,735 kg	13,040 lb · 5,915 kg	+25% 6620
Maximum permissible mass declared	19,842 lb · 9,000 kg	20,944 lb · 9,500 kg	+6% 6620
Wheelbase declared	94.5 in · 2,400 mm	104.3 in · 2,650 mm	+10% 6620
Length declared	168.9 in · 4,289 mm	185.2 in · 4,705 mm	+10% 6620
Width declared	91.2 in · 2,316 mm	96.3 in · 2,445 mm	+6% 6620
Height, over the cab declared	108.0 in · 2,742 mm	113.2 in · 2,875 mm	—
Ground clearance declared	20.5 in · 520 mm	18.1 in · 460 mm	+13% 6430 Premium
Fuel tank declared	195.5 qt · 185.0 L	218.7 qt · 207.0 L	+12% 6620

Source

Source