Caterpillar 140G Motor Grader Specifications
The Caterpillar 140G motor grader is one of the most popular motor graders ever produced.

It’s estimated that over 25,000 of these machines have been sold since they were first manufactured.
All models of the Caterpillar 140G motor grader feature a 3306 turbocharged, six-cylinder engine that produces up to 150 flywheel horsepower (fwhp).
Other specifications may differ slightly based on where a 140G motor grader was built and in what year.
Note that 140G graders manufactured in the United States have the serial number prefix 72V. Those manufactured in Canada have the prefix 81V.
Australian models use the prefix 13W and Brazilian modesl use 5MD.
Caterpillar 140G motor grader dimensions
Total length | 8310 millimetres (27.3 feet) |
Height to top of cab | 3360 millimetres (11 feet) |
Width over tyres | 2440 millimetres (8 feet) |
Blade base | 2570 millimetres (8.4 feet) |
Wheelbase | 5920 millimetres (19.4 feet) |
Tandem axle wheelbase | 1520 millimetres (5 feet) |
Caterpillar 140G engine specifications
Model | 3306 |
Maximum power (net power gear 5 – 6) | 150 horespower; 111.9 kilowatts |
Number of cylinders | 6 |
Displacement | 10.5 litres (638 cubic inches) |
Caterpillar 140G operational specifications
Standard operational weight | 12620 kilograms (27822 pounds) |
Fuel capacity | 284 litres (75 gallons) |
Oil capacity | 29.3 litres (7.7 gallons) |
Hydraulic system fluid capacity | 68 litres (18 gallons) |
Cooling system fluid capacity | 47.3 litres (12.5 gallons) |
Tyre size | 14×24 10PR |
Operating voltage | 24 volts |
Alternator-supplied amperage | 40 amps |
Caterpillar 140G transmission specifications
Type | Direct drive, powershift |
Maximum forward speed | 41 kilometres per hour (25.5 miles per hour) |
Maximum reverse speed | 41 kilometres per hour (25.5 miles per hour) |
Number of forward gears | 6 |
Number of reverse gears | 6 |
Caterpillar 140G steering specifications
Turning radius | 7.3 metres (24 feet) |
Articulation L/R | 50 degrees |
Caterpillar 140G front axle specifications
Ground clearance | 610 millimetres (2 feet) |
Wheel lean | 18 degrees |
Total oscillation | 32 degrees |
Caterpillar 140G hydraulic system specifications
Pump type | Closed-centre, constant-pressure system with variable displacement piston pump |
Pump flow | 193.1 liters per minute (51 gallons per minute) |
Relief valve pressure | 14823.7 kilopascal (2150 pounds per square inch) |
Caterpillar 140G moldboard specifications
Moldboard height | 610 millimetres (24 inches) |
Moldboard width | 3660 millimetres (12 feet) |
Moldboard thickness | 22 millimetres (0.87 inches) |
Maximum depth of cut | 438 millimetres (17.2 inches) |
Side shift left | 660 millimetres (26 inches) |
Side shift right | 660 millimetres (26 inches) |
Caterpillar 140G circle specifications
Rotation | 360 degrees |
Diameter | 1530 millimetres (60.2 inches) |
Shift left | 650 millimetres (25.6 inches) |
Shift right | 520 millimetres (20.5 inches) |
Maximum reach outside tyres – left | 1960 millimetres (77.2 inches) |
Maximum reach outside tyres – right | 1830 millimetres (72 inches) |
Maximum lift above ground | 464 millimetres (18.3 inches) |
For more information about the range of refurbished Caterpillar 140G motor graders available from KH Plant, contact us online or call one of our representatives on +27 83 274 4882.