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M Series Motor Graders(Non Current)

Cat motor graders continue their reputation for offering world-class cab and controls, advanced electronics and hydraulics, and optimum productivity... to match your needs in any application.

140H Standard Motor Grader

The 140H Standard blends productivity and durabiliy to give you the best return on your investment. The Cat 3306 engine, direct-drive power shift transmission and load-sensing hydraulics are designed to work together to deliver top productivity in all applications.

Product Details


Engine Model Cat 3306 T
VHP - gears 4-8 Net 138.0 kW
VHP - gears 1-3 Gross 122.0 kW
VHP - gears 4-8 Gross 199.0 kW
Bore 121.0 mm
Stroke 152.0 mm
Base Power (all gears) - Net 123.0 kW
Torque Rise 33%
Displacement 10.45 L
VHP - gears 1-3 Net 123.0 kW
Number of Cylinders 6
Derating Altitude 3192.0 m


Gross Vehicle Weight - Maximum - Total 14661.0 kg
Gross Vehicle Weight - Maximum - Front Axle 4256.0 kg
Gross Vehicle Weight - Maximum - Rear Axle 10402.0 kg
Gross Vehicle Weight - Base - Front Axle 3922.0 kg
Gross Vehicle Weight - Base - Rear Axle 9630.0 kg
Gross Vehicle Weight - Base - Total 13552.0 kg


Blade Width 3.658 m
Moldboard - Height 610.0 mm
Moldboard - Thickness 22.0 mm
Arc Radius 413.0 mm
Throat Clearance 120.0 mm
Cutting Edge - Width 152.0 mm
Cutting Edge - Thickness 16.0 mm
End Bit - Width 152.0 mm
End Bit - Thickness 16.0 mm


Height - Top of Cab 3120.0 mm
Height - high profile cab 3345.0 mm
Length - counterweight to ripper 10012.0 mm
Width - Outside Front Tires 2464.0 mm
Length - Front Axle to Mid Tandem 6086.0 mm
Length - Front Tire to Rear of Machine 8487.0 mm
Length - Front Axle to Moldboard 2565.0 mm
Length - Between Tandem Axles 1523.0 mm
Width - Outside Rear Tires 2442.0 mm
Width - Tire Center Lines 2077.0 mm

Operating Specifications

Top Speed - Forward 41.1 km/h
Top Speed - Reverse 32.4 km/h
Turning Radius, Outside Front Tires 7.4 m
Steering Range - Left/Right 50°
Articulation Angle - Left/Right 20°
Forward - 1st 3.5 km/h
Forward - 2nd 4.8 km/h
Forward - 3rd 7.0 km/h
Forward - 4th 9.6 km/h
Forward - 5th 15.1 km/h
Forward - 6th 20.5 km/h
Forward - 7th 28.3 km/h
Forward - 8th 41.1 km/h
Reverse - 1st 2.8 km/h
Reverse - 2nd 5.2 km/h
Reverse - 3rd 7.6 km/h
Reverse - 4th 11.9 km/h
Reverse - 5th 22.3 km/h
Reverse - 6th 32.4 km/h

Service Refill

Fuel Capacity 284.0 L
Cooling System 40.0 L
Hydraulic System - Total 73.0 L
Hydraulic System - Tank 38.0 L
Engine Oil 27.0 L
Transmission/Differential/Final Drives 47.0 L
Tandem Housing (each) 47.0 L
Front Wheel Spindle Bearing Housing 0.5 L
Circle Drive Housing 7.0 L

Power Train

Forward/Reverse Gears 8 Fwd/ 6 Rev
Transmission Direct Drive, Power Shift
Brakes - Service Air Actuated, Oil Disc
Brakes - Service, Surface Area 23948.0 cm2
Brakes - Parking Multiple Oil-Disc Unit
Brakes - Secondary Separate Circuits to Right and Left

Hydraulic System

Circuit Type Load Sensing, Pressure Compensating
Pump Type Variable-displacement piston pump
Pump Output 155.0 L/min
Maximum System Pressure 24150.0 kPa
Standby Pressure 3100.0 kPa


Circle - Diameter 1530.0 mm
Circle - Blade Beam Thickness 30.0 mm
Drawbar - Height 127.0 mm
Front-Top/Bottom Plate - Width 305.0 mm
Front-Top/Bottom Plate - Thickness 25.0 mm
Front-Side Plates - Width 242.0 mm
Front-Side Plates - Thickness 12.0 mm
Front-linear weights - min 165.0 kg/m
Front-linear weights - max 213.0 kg/m
Front-section modulus - min 2083.0 cm3
Front-section modulus - max 4785.0 cm3
Front Axle - Height to Center 625.0 mm
Front Axle - Wheel Lean, Left/Right 18°
Front Axle - Total Oscillation per Side 32°

Blade Range

Circle Centershift - Right 540.0 mm
Circle Centershift - Left 700.0 mm
Moldboard Sideshift - Right 660.0 mm
Moldboard Sideshift - Left 660.0 mm
Blade Tip Range - Forward 40°
Blade Tip Range - Backward
Maximum Shoulder Reach Outside of Tires - Right 1798.0 mm
Maximum Shoulder Reach Outside of Tires - Left 1984.0 mm
Maximum Lift above Ground 480.0 mm
Maximum Depth of Cut 735.0 mm


Front, V-Type - Scarifier shank holder spacing 116.0 mm
Front, V-Type - Scarifier shank holders 11
Front, V-Type - Scarifying depth, maximum 292.0 mm
Front, V-Type: Working width 1184.0 mm
Rear - Working Width 2300.0 mm
Rear - Scarifier Shank Holders 9
Rear - Scarifier Shank Holder Spacing 267.0 mm


Ripping Depth - Maximum 462.0 mm
Ripper Shank Holders 5
Shank Holder Spacing - Maximum 533.0 mm
Penetration Force 8047.0 kg
Pryout Force 9281.0 kg
Machine Length Increase, Beam Raised 970.0 mm


Height 506.0 mm
Width 201.0 mm
Sidewall Thickness - Inner 16.0 mm
Sidewall Thickness - Outer 18.0 mm
Drive Chain Pitch 51.0 mm
Wheel Axle Spacing 1522.0 mm
Tandem Oscillation - Front Up 15°
Tandem Oscillation - Front Down 25°

Power Train

Matched Caterpillar components deliver smooth, responsive performance and reliability.

Cat 3306 Engine

The Cat 3306 continues its tradition of powerful, efficient performance and unmatched reliability and durability. The six-cylinder engine is naturally aspirated with a high displacement-to-power ratio.


High torque output and high torque rise make the 3116 engine very responsive.

Fuel Efficiency

High fuel injection pressures ensure proper mixing of fuel and air.

Extended Engine Life

The large bore-stroke design and conservative power rating help minimize internal stresses and increase component life.

Electronic Overspeed Protection

Electronic overspeed protection helps prevent engine and transmission damage from premature downshifting and grade-induced overspeeding.

Power Shift Transmission

Caterpillar designs and builds transmissions specifically for Cat motor graders.

Direct Drive

Direct drive delivers superior fuel efficiency and better "feel" of blade loads, material hardness and ground speed.

Gear Selections

Eight forward speeds and six reverse speeds give the operator a wide operating range.

Electronic Transmissions Control

Electronic transmissions control produces easy, smooth shifts, which enable the operator to maintain uniform surfaces if shifting is required.

Inching Capability

Low pedal effort and excellent modulation provide precise control of machine movements when using the inching pedal.

Dual Air System

The dual air system supplies braking capacity to each side of the machine.

Oil Disk Brakes

Caterpillar designs and builds multi-disc brakes that are completely sealed and adjustment-free.

Engine Power Management

Engine power management delivers full-rated net power.


Balanced hydraulics deliver consistent, precise and responsive control.

Power On Demand

Normally, the variable displacement pump idles at near-zero output.

Implement Control Valves

Implement control valves are designed and built by Caterpillar specifically for motor graders.

Low Operator Effort

Implement controls are designed to reduce operator fatigue.

Balanced Flow

When the operator uses several controls at one time, flow is proportioned to ensure all implements can operate simultaneously. If hydraulic demand exceeds pump capacity, cylinder velocities will be reduced by the same ratio.

Independent Oil Supply

Large independent oil supply prevents cross-contamination and provides proper oil cooling, which means less heat build-up and extended component life.

Drawbar, Circle & Moldboard

Every component is designed for maximum productivity and durability. The blade linkage design maximizes moldboard positioning.

Blade Positioning

The blade linkage design enhances moldboard positioning.

Blade Angle

A long wheel base allows the operator to obtain an aggressive moldboard angle.

Rugged Construction

The Y-frame drawbar is constructed of two solid beams.

Replaceable Wear Items

Tough, durable nylon composite wear inserts are located between the drawbar and circle, and between the support shoes and circle.

Circle Drive Slip Clutch

The circle drive slip clutch protects the drawbar, circle and moldboard from shock when the end of the blade encounters hidden objects.

Operator's Station

Caterpillar sets the standard for comfort, convenience and visibility.


Exceptional visibility helps improve operator confidence and productivity in all grader applications.

Quiet Cab

With the doors closed, interior sound level stays low. The quiet environment keeps the operator alert and focused.

Reduced Strain and Fatigue

Low efforts on all pedals, hydraulic controls and the transmission shifter reduce operator strain and fatigue.

Roomy Interior

Extra leg and foot room create a spacious, open cab.

Contour Series Suspension Seat

The optional contour series suspension seat features fold-up armrests and a retractable seat belt.


The optional heater arrangement creates a comfortable work environment for the operator.

Electronic Monitoring System

The electronic monitoring system checks important machine systems and provides the operator with three levels of warning.

Features of Comfort

Comfort and convenience are designed into every feature.


Conveniently placed service points make routine maintenance quick and easy.


Easy access to service areas speeds up maintenance and ensures that routine service is performed on time.

Power Train Components

Power train components feature a modular design so you can remove the engine, transmission or final drives independently for quick servicing.

Diagnostic Capability

Diagnostic capability offers fast servicing of the transmission.

XT Hose

Caterpillar designs and manufactures its own heavy-duty XT hose and installs it in all high-pressure circuits. It's resistance to abrasion, coupled with its exceptional strength and flexibility, help minimize maintenance and extend life.

O-Ring Face Seals

O-ring face seals create a reliable seal and are used in all hydraulic circuits to minimize the possibility of oil leaks.

Radiator Cleanout Access

Removable covers on each side of the radiator guard provide access to the front of the radiator for cleanout with compressed air or pressure washer.

Extended Life Coolant (ELC)

Extended Life Coolant (ELC) extends coolant life. A single addition of ELC Extender is the only maintenance required.

Separate Wiring Harnesses

Separate wiring harnesses connect all electrical components.

Environmentally Responsible Design

Caterpillar builds machines that help you create a better world.

Quiet Cab

The cab is sound suppressed. The resiliently mounted engine and transmission result in less engine noise and vibration to the operator.

Dry Machine

Lubricant fill points and filters are designed to minimize spillage. O-ring face seals, XT hose and Cat hydraulic cylinders protect against leaks.

Complete Customer Support

Caterpillar dealer services help you operate longer with lower costs.


Make detailed comparisons of the machines you are considering before you buy.


Look past the initial price. Consider the financing options available as well as day-to-day operating costs and dealer services.


Improving operating techniques can boost your profits.


More and more equipment buyers are planning for effective maintenance before buying equipment.

Product Support

You will find nearly all parts at our dealer parts counter.


Repair, rebuild or replace? Your Cat dealer can help you evaluate the costs involved so you can make the right choice.
Catepillar Equipments


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