8 material differences · fewer than 12

Tractor oneJohn Deere 66302007–2012No measured PTO figureTractor twoLamborghini R.1306 DTfrom 2004No measured PTO figure

Which should you choose?

Read our verdict on the 6630 and the R.1306 DT → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

John Deere 6630 and Lamborghini R.1306 DT, field by field
Field	6630	R.1306 DT	Gap
Engine
Engine power, claimed claimed	128.3 hp	128.2 hp	—
Engine declared	John Deere PowrTech 6.068 HL-280/V2-CR	SAME 1000.6 WTI 11 (Tier-II)	differs
Displacement declared	6.79 L	6.00 L	+13% 6630
Maximum torque declared	389 lb·ft · 527 N·m	330 lb·ft · 448 N·m	+18% 6630
Transmission
Top speed declared	24.9 mph · 40 km/h	18.6 mph · 30 km/h	+33% 6630
Clutch declared	Pedal-operated, hydraulic wet Perma-Clutch II as multi-disc clutch	—	—
Hydraulics & hitch
Hydraulic centre declared	Closed centre	—	—
Hydraulic control declared	Load sensing	Load sensing	—
Pump flow declared	—	17.5 gpm · 66.2 L/min	—
Pressure declared	3,408 psi · 235 bar	3,118 psi · 215 bar	+9% 6630
Rear PTO speeds declared	540E/540/1000 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	11,574 lb · 5,250 kg	12,181 lb · 5,525 kg	—
Maximum permissible mass declared	20,944 lb · 9,500 kg	—	—
Wheelbase declared	104.3 in · 2,650 mm	108.3 in · 2,750 mm	—
Length declared	186.1 in · 4,728 mm	175.2 in · 4,450 mm	+6% 6630
Width declared	91.2 in · 2,316 mm	92.9–94.9 in · 2,360–2,410 mm	—
Height, over the cab declared	111.5 in · 2,833 mm	111.0 in · 2,820 mm	—
Ground clearance declared	22.4 in · 570 mm	21.7 in · 550 mm	—
Fuel tank declared	218.7 qt · 207.0 L	253.6 qt · 240.0 L	+16% R.1306 DT

Source

Source