Comparing the Caterpillar 140G, 140H and 140K Motor Graders

It’s worth comparing the Caterpillar 140G, 140H and 140K motor graders before deciding which one suits your needs.

All the models in Caterpillar’s 140 range are trusted workhorses that would be a sound investment for any farm, construction or earthworks company.

We look at the three models KH Plant sells and compare their specifications in a handy chart.

The Caterpillar 140 series at a glance

Each model in the 140 series was released in a specific era that informed the machine’s functionality.

At KH Plant, we specialise in restoring three graders from this series: the 140G, 140H and 140K.

Caterpillar 140G

The 140G was released in 1974 and production ceased in 1996.

More than 25,000 140Gs were manufactured during this time.

The 140G is known to be reliable and long-lived.

Despite no longer being in production, the 140G is widely used in construction and earthworks.  

Caterpillar 140H

The 140H started production in 1995 in the US, Australia and Brazil.

In 2005, China also started manufacturing this model.

To date, more than 14,000 have been manufactured.

The 140H is the successor to the 140G and has a similar reputation for reliability.

Models from the early years are still going strong.

Caterpillar 140K

The 140K was introduced as the replacement for the 140H.

It comes with a range of technological innovations.

This, coupled with Caterpillar’s famed durability, has made the 140K trusted to provide superior results in the construction, earthmoving and farming industries.

Caterpillar 140 series specifications chart

These specifications are for quick comparisons.

For information specific to each model, visit the specifications pages for each model: 140G, 140H and 140K.

Dimensions	140G	140H	140K
Total length	8,310 mm	8,713 mm	8,504 mm
Height to top of cab	3,360 mm	3,131 mm	3,354 mm
Width over tyres	2,440 mm	2,464 mm	2,481 mm
Blade width	1,128 mm	1,128 mm	1,128 mm
Tandem axle wheelbase	1,520 mm	1,523 mm	1,523 mm

Operational specifications	140G	140H	140K
Weight	12,620 kg	14,677 kg	17,510 kg
Fuel capacity	284 l	397 l	305 l
Cooling system fluid capacity	47.3 l	38 l	40 l

Transmission specifications	140G	140H	140K
Type	Direct drive, powershift	Direct drive, powershift	Direct drive, powershift
Maximum forward speed	41 kph	44 kph	47.3 kph
Maximum reverse speed	41 kph	34.7 kph	37.4 kph
Number of forward gears	6	8	8
Number of reverse gears	6	6	6

Steering specifications	140G	140H	140K
Turning radius	7.3 m	7.5 m	7.5 m
Articulation L/R	50°	20°	20°

Front axle specifications	140G	140H	140K
Ground clearance	610 mm	600 mm	626 mm
Wheel lean	18°	18°	18°
Total oscillation	32°	32°	32°

Hydraulic system specifications	140G	140H	140K
Pump type	Closed-centre, constant-pressure system with variable displacement piston pump	Axial piston	Variable piston
Pump flow	193.1 lpm	206 lpm	210.5 lpm

Moldboard specifications	140G	140H	140K
Height	610 mm	610 mm	610 mm
Width	3,660 mm	3,658 mm	3,700 mm
Thickness	22 mm	22 mm	22 mm
Side shift left	660 mm	524 mm	512 mm
Side shift right	660 mm	660 mm	663 mm

Circle specifications	140G	140H	140K
Diameter	1,530 mm	1,530 mm	1,530 mm
Shift left	650 mm	695 mm	752 mm
Shift right	520 mm	728 mm	728 mm
Maximum reach outside tyres (left)	1,960 mm	1,896 mm	1,896 mm
Maximum reach outside tyres (right)	1,830 mm	1,978 mm	1,978 mm
Maximum lift above ground	464 mm	480 mm	480 mm

Reconditioned Caterpillar 140 series graders from KH Plant

At KH Plant, we specialise in restoring Caterpillar 140G, 140H and 140K motor graders and components to as-new condition – so you can get the benefits of a new motor grader at a fraction of the cost of a new machine.

Contact us for more information or to discuss your needs.