12 material differences

Tractor oneRenault Master 11964–1969No measured PTO figureTractor twoSOMECA SOM-5111964–1965No measured PTO figure

Which should you choose?

We will not advise between these two machines, because the drive differs (2WD / 4WD; 2WD). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

12 material differences · 3 fields identical or within 5%, which is not counted as material

Renault Master 1 and SOMECA SOM-511, field by field
Field	Master 1	SOM-511	Gap
Engine
Engine power, claimed claimed	54.3 hp	54.3 hp	—
Engine declared	MWM AKD 1105-V	O.M.-FIAT CO 2D-45	differs
Displacement declared	2.98 L	4.40 L	+48% SOM-511
Maximum torque declared	141 lb·ft · 191 N·m	—	—
Transmission
Top speed declared	15.5 mph · 25 km/h	13.7 mph · 22 km/h	+14% Master 1
Clutch declared	dry Borg & Beck double clutch operated by a two-stage pedal	Pedal-operated two-stage dry FERODO double clutch	differs
Hydraulics & hitch
Pump flow declared	6.9 gpm · 26.0 L/min	4.0 gpm · 15.2 L/min	+71% Master 1
Pressure declared	—	2,988 psi · 206 bar	—
Rear PTO speeds declared	540/1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	6,041 lb · 2,740 kg	5,567 lb · 2,525 kg	+9% Master 1
Maximum permissible mass declared	11,861 lb · 5,380 kg	—	—
Wheelbase declared	87.6 in · 2,225 mm	80.0 in · 2,032 mm	+9% Master 1
Length declared	150.8 in · 3,830 mm	133.9 in · 3,400 mm	+13% Master 1
Width declared	74.8–94.5 in · 1,900–2,400 mm	68.7–95.1 in · 1,745–2,415 mm	differs
Height, over the steering wheel declared	70.5 in · 1,790 mm	72.0 in · 1,829 mm	—
Ground clearance declared	16.5 in · 420 mm	16.1 in · 410 mm	—
Turning radius, braked declared	11.5 ft · 3.50 m	10.8 ft · 3.30 m	+6% Master 1
Fuel tank declared	84.5 qt · 80.0 L	59.2 qt · 56.0 L	+43% Master 1

Renault Master 1 sources

Source

Source: Traktorenlexikon, “Renault Master 1/R 77”
Source: Traktorenlexikon, “Renault Master 1 R717”

SOMECA SOM-511 sources