John Deere 510 vs Massey Ferguson MF 139 (A)

15 material differences

Tractor one

1964–1969

No measured PTO figure

Tractor two

1974–1979

No measured PTO figure

Which should you choose?

Read our verdict on the 510 and the MF 139 (A) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

15 material differences · 2 fields identical or within 5%, which is not counted as material

John Deere 510 and Massey Ferguson MF 139 (A), field by field
Field	510	MF 139 (A)	Gap
Engine
Engine power, claimed claimed	39.4 hp	41.4 hp	—
Engine declared	John Deere 152 D 22 L	Eicher EDK 3-4	differs
Displacement declared	2.49 L	2.94 L	+18% MF 139 (A)
Maximum torque declared	101 lb·ft · 137 N·m	114 lb·ft · 155 N·m	+13% MF 139 (A)
Transmission
Top speed declared	12.4–15.5 mph · 20–25 km/h	15.5 mph · 25 km/h	differs
Clutch declared	Two-stage, pedal-operated, dry Fichtel & Sachs double clutch	Pedal operated dry double clutch	differs
Hydraulics & hitch
Pump flow declared	4.1 gpm · 15.6 L/min	7.9 gpm · 30.0 L/min	+92% MF 139 (A)
Pressure declared	2,190 psi · 151 bar	—	—
Three-point lift at ends declared	—	3,307 lb · 1,500 kg	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	4,572 lb · 2,074 kg	3,428 lb · 1,555 kg	+33% 510
Maximum permissible mass declared	7,319 lb · 3,320 kg	5,512 lb · 2,500 kg	+33% 510
Wheelbase declared	81.6 in · 2,072 mm	77.0 in · 1,955 mm	+6% 510
Length declared	133.9 in · 3,400 mm	124.0 in · 3,150 mm	+8% 510
Width declared	62.2 in · 1,580 mm	37.4 in · 950 mm	+66% 510
Height declared	88.4 in · 2,245 mm	48.4 in · 1,230 mm	+83% 510
Ground clearance declared	17.5 in · 445 mm	11.0 in · 280 mm	+59% 510
Turning radius, braked declared	10.0 ft · 3.05 m	8.5 ft · 2.60 m	+17% 510
Fuel tank declared	74.0 qt · 70 L	60.2 qt · 57.0 L	+23% 510

Source

Source