8 material differences · fewer than 12

Tractor oneJohn Deere 84302006–2009No measured PTO figureTractor twoNew Holland T 80402006–2011No measured PTO figure

Which should you choose?

Read our verdict on the 8430 and the T 8040 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

John Deere 8430 and New Holland T 8040, field by field
Field	8430	T 8040	Gap
Engine
Engine power, claimed claimed	291.1 hp	303.7 hp	—
Engine declared	John Deere PowerTech-Plus 6.090 HRW-04	CUMMINS 6 TAA-8304 (TIER-III)	differs
Displacement declared	8.98 L	8.27 L	+9% 8430
Maximum torque declared	930 lb·ft · 1,261 N·m	965 lb·ft · 1,309 N·m	—
Transmission
Top speed declared	24.9–31.1 mph · 40–50 km/h	24.9–31.1 mph · 40–50 km/h	—
Clutch declared	Pedal-operated, hydraulic-wet John Deere multi-disc clutch	Electro-hydraulically operated wet multi-plate clutch	differs
Hydraulics & hitch
Hydraulic control declared	Load sensing	—	—
Pump flow declared	—	44.0 gpm · 166.6 L/min	—
Pressure declared	3,336 psi · 230 bar	3,336 psi · 230 bar	—
Rear PTO speeds declared	1000 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	24,824 lb · 11,260 kg	21,839 lb · 9,906 kg	+14% 8430
Maximum permissible mass declared	30,865 lb · 14,000 kg	30,865 lb · 14,000 kg	—
Wheelbase declared	120.1 in · 3,050 mm	121.2 in · 3,078 mm	—
Length declared	233.8 in · 5,938 mm	229.5 in · 5,829 mm	—
Width declared	118.6–125.6 in · 3,012–3,190 mm	98.0 in · 2,490 mm	differs
Height, over the cab declared	124.2 in · 3,155 mm	131.1 in · 3,331 mm	+6% T 8040
Ground clearance declared	17.3 in · 440 mm	14.6 in · 372 mm	+18% 8430
Fuel tank declared	720.0 qt · 681.4 L	720.7 qt · 682.0 L	—

Source

Source