M Series Motor Graders Caterpillar 14M

Cat M Series Motor Graders have become the industry standard in operational efficiency and overall productivity. From building roads to maintaining them, M Series Motor Graders are designed to help you get more work done in less time. Unprecedented operator comfort and ease of service help to maximize your return on investment.

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Integrated Technologies

Cat Grade Control

Cat Grade Control Cross Slope is an optional fully integrated, factory installed system that helps your operator more easily maintain desired cross slope by automatically controlling one side of the blade. The system is job-ready from day one, and scalable with AccuGrade™ upgrade kits that provide additional 2D and/or 3D control.

AccuGrade Attachment Ready Option

The AccuGrade Attachment Ready Option can be ordered as a factory or dealer-installed option. It includes built-in mounting points and internal wiring to make installation of the AccuGrade system faster and easier.

Cat AccuGrade

AccuGrade uses positioning and guidance technologies, machine sensors, and automatic blade control to help your operators get to grade faster, easier and more efficiently. Digital design plans, real-time cut/fill data, and in-cab guidance give operators detailed information to work more confidently and accurately, in fewer passes, using less material. Operators can stay on grade and improve productivity and accuracy by nearly 50 percent over conventional methods. Grade stakes and checkers are minimized, helping to make the work site safer and more cost effective. AccuGrade technologies include Cross Slope, Sonic, Laser, GPS, and/or Universal Total Station (UTS).

Cat Product Link™

Product Link gives you remote monitoring capabilities for one machine or your entire fleet. Track asset location, hours, fuel usage, diagnostic codes, idle time and more through the secure VisionLink® user interface. Knowing where your equipment is and how it's performing enables you or your Cat dealer to manage your fleet in real-time so you can maximize efficiency, improve productivity and lower operating costs.* *Product Link licensing not available in all areas. Please consult your Cat dealer for availability.

Structures and Drawbar-Circle-Moldboard

Caterpillar designs frame and drawbar components for performance and durability in heavy duty applications. The one-piece forged steel circle stands up to high stress loads, and a sacrificial wear system helps keep your service time and costs down. The articulation hitch features a large tapered roller bearing to carry loads evenly and smoothly. It is sealed to prevent contamination and a locking pin prevents articulation for safety during service or transport.

Easy Maintenance for More Uptime

The drawbar, circle and moldboard are designed to make it easy to keep the components tight. One person can easily adjust or replace the patented top-adjust drawbar wear inserts from the top of the drawbar plate, reducing downtime to save you money. Durable nylon composite wear inserts maximize circle torque and component life. Sacrificial brass wear strips between the blade mounting group and moldboard can be easily adjusted and replaced. Shimless Moldboard Retention System uses vertical and horizontal adjusting screws to keep moldboard wear strips aligned for reduced blade chatter and precise blade control.

Blade Angle and Moldboard

Aggressive blade angle allows material to roll more freely along the blade for better material control. Heat-treated rails, hardened cutting edges and end bits, and heavy duty bolts to give you greater moldboard reliability and long service life. The 5-position link bar allows extreme moldboard positioning for easier bank sloping and ditch cutting/cleaning.

Operator Station

Comfort and Control

Experience the most spacious, comfortable cab in the industry. Simple, intuitive joystick controls replace conventional levers, steering wheel and transmission control handle so hand and arm movement is reduced by 78%, helping to reduce operator fatigue. Rocker switches and control levers are in easy reach. A standard Cat Comfort Series suspension seat and electronically adjustable control pods add even more to comfort and productivity. Multiple isolation mounts significantly reduce sound and vibration for a more relaxed work environment. The high capacity Heating, Ventilation and Air Conditioning (HVAC) system dehumidifies and pressurizes the cab, circulates fresh air, seals out dust and keeps windows clear. A standard cage fan and dual pop-out louvers help improve fresh air circulation too. An optional deluxe radio with CD features MP3 and Bluetooth technology.


Good visibility is key to your safety and efficiency. Large windows make it easy to see the moldboard and tires, as well as behind the machine. A rear vision camera is available to enhance your sight lines to the rear of the machine and an optional anti-icing window feature will help keep windows clear during cold and snowy conditions.

In-Dash Instrument Cluster

Easy-to-read, high-visibility gauges and warning lamps keep you aware of critical system information. Cat Messenger offers multi-lingual real-time machine performance and diagnostic data to help you get the most from your machine.


The Cat C11 engine with ACERT Technology gives you the performance to maintain consistent grading speeds for maximum productivity. Superior torque and lugging capability pulls through sudden, short-term load increases. ACERT Technology lowers combustion chamber temperatures and optimizes fuel combustion to generate more work output for your fuel cost. Variable Horsepower (VHP) is standard, delivering additional horsepower 3.73 kW (5 hp) in forward gears 1-4 and reverse gears 1-3. This balances traction, speed and horsepower to optimize rimpull and conserves fuel. VHP Plus is optional, giving you an additional 3.73 kW (5 hp) in gears 5-8 for more power at higher speeds.

Hydraulic Demand Fan

The hydraulic demand fan automatically adjusts fan speed to meet engine cooling requirements. When demand is reduced, you benefit from more power to the ground and improved fuel efficiency.

Ether Starting Aid

A standard ether starting aid helps cold-weather startups in extreme temperatures.

Engine Idle Shutdown Timer

This standard feature can be software-enabled by your Cat dealer to shut down the engine after a set period of time to save you fuel and help reduce emissions.

Serviceability and Customer Support

Cat motor graders are designed to help you increase uptime and reduce costs. Grouped service points and extended service intervals save maintenance time. Optional Fast-Fill allows you to refuel in less than two minutes to get back on the job quickly.

Advanced Diagnostics

  • Cat Messenger, combined with full systems integration, enhances diagnostic capability for quick analysis of critical data.
  • Electronic Technician (Cat ET) lets service technicians access stored diagnostic data and configure machine parameters through the Cat Data Link.
  • Low Battery Elevated Idle raises idle speed when low system voltage is detected, ensuring adequate system voltage and improving battery reliability.
  • Automatic Engine Deration protects the engine by automatically lowering engine torque output and alerting the operator if critical conditions are detected.

Unparalleled Dealer Support

When it comes to supporting you, Cat dealers are second to none. From machine selection and purchase to maintenance support and rebuilds, Cat dealers have the experience and capabilities to keep you up and running.


Operator Presence Monitoring System

Standard feature keeps the parking brake engaged and hydraulic implements disabled until the operator is initially seated and the machine is ready for operation.

Speed Sensitive Steering

Standard function makes steering less sensitive as ground speed increases for greater operator confidence and control.

Secondary Steering System

Standard system automatically engages an electric hydraulic pump in case of a drop in steering pressure so the operator can steer the machine to a stop.

Hydraulic Lockout

Disables all implement functions while still providing machine steering control. This standard safety feature is especially useful while roading.

Brake Systems

Brakes at each tandem wheel eliminate braking loads on the power train. Redundant brake systems utilize accumulators to enable stopping in case of engine failure.

Walkways and Grab Rails

Perforated steel tandem walkways and convenient grab rails offer a sturdy platform and support for moving on, off and around the machine.

Rearview Camera

An optional rear vision camera with in-cab monitor helps enhance your sight lines to the rear of the machine.

Circle Drive Slip Clutch

Protects the drawbar, circle and moldboard from shock loads when the blade encounters an immovable object. This standard feature also reduces the possibility of abrupt directional changes in poor traction conditions.

Blade Lift Accumulators

Help absorb impact loads to the moldboard by allowing vertical blade travel. This optional feature helps reduce wear and aids operator safety.

M Series Safety Features

  • Grouped, ground level service points
  • Laminated front window glass
  • Optional LED Lighting
  • Ground-level electrical disconnect switch
  • Ground-level engine shutoff switch
  • Glare reducing paint for night operation

Power Train

We designed the 14M to give you efficiency and longevity in your most demanding applications.

  • Optional Automatic Differential Lock unlocks the differential during a turn and re-locks when straight for easier operation and improved power train protection.
  • Full Electronic Clutch Pressure Control (ECPC) system optimizes inching modulation, smooth shifts and directional changes, reducing stress on gears.
  • Optional Programmable Autoshift simplifies operation by allowing the operator to program the transmission to shift at optimal points to match your application.
  • Power Shift Countershaft Transmission is directly matched to the Cat engine to maximize power to the ground.
  • Eight forward and six reverse gears are specifically designed to give you a wide operating range for maximum productivity in all earthmoving applications.
  • Engine Over-Speed Protection prevents downshifting until an acceptable safe travel speed has been established.

Front and Rear Axles

The sealed spindle keeps front axle bearings lubricated and protected from contaminants. The Cat “Live Spindle” design places the larger tapered roller bearing on the outside, where the load is greater, extending bearing life. A bolt-on modular rear axle improves serviceability and contamination control with easy access to differential components.

Hydraulic Brakes

Oil-bathed multi-disc service brakes are hydraulically actuated for smooth, predictable braking and lower operating costs. Brakes are located at each tandem wheel for a large total brake surface area to give you dependable stopping power and longer life.

Steering and Implement Controls

Two electro-hydraulic joysticks with electronically adjustable control pods help position operators for optimal comfort, visibility and productive operation.

Joystick Functions

The left joystick controls steering, articulation (with standard push-button return-to-center feature), wheel lean, gear selection and directional control, and left moldboard lift cylinder (with standard float capability). The right joystick controls drawbar, circle and moldboard functions as well as right moldboard cylinder (with standard float capability). It also houses the electronic throttle control and manual differential lock/unlock. The steer tire angle mirrors the joystick lean angle or position, providing similar feel to steering. A brake tensioning system holds the joystick in position until the operator moves it. The steering control automatically reduces steering sensitivity at higher ground speeds. A Programmable Auxiliary Hydraulic Pod controls up to six additional hydraulic circuits.

Electronic Throttle Control

Operators get precise and consistent throttle operation, with automatic/manual modes that allow you to adjust for application and operator preferences.

Articulation Return-to-Center

Automatically returns the machine to a straight frame position from any angle with the touch of a button.

Selectable Blade Lift Modes

Choose the blade lift modulation mode that best fits your application or operating style: Fine, Normal, or Coarse.


Responsive Hydraulics

A proven load-sensing system and advanced electro-hydraulics give you superior implement control and responsive hydraulic performance to make your operator's job easier. Continuously matching hydraulic flow/pressure to power demands creates less heat and reduces power consumption.

  • Proportional Priority Pressure-Compensating (PPP-C) valves have different flow rates for the head and rod ends of the cylinder, so you can count on consistent, predictable implement response.
  • Hydraulic flow is proportioned to give you confidence that all implements will operate simultaneously without slowing the engine or speed of some implements.

Blade Float

Allows the blade to move freely under its own weight. By floating both cylinders, the blade can follow the contours of the haul road. Floating only one cylinder permits the toe of the blade to follow a hard surface while the operator controls the slope with the other lift cylinder.

Independent Oil Supply

Large, separate hydraulic oil supplies prevent cross-contamination and provide proper oil cooling, which reduces heat build-up and extends component life. Cat XT™ hose allows high pressures for maximum power and reduced downtime.


Fuel Efficiency

• Integrated machine systems and technologies improve productivity for greater accuracy, allowing the machine to do more work per gallon/liter of fuel.

Green House Gas Emissions

• Emissions reduction technologies reduce NOX + HC (hydrocarbon) emissions by 38% (g/kW-hr) as compared to the previous model.

Material Efficiency and Lifecycle Costs

  • Replaceable wear parts save maintenance time and cost, and extend major component life.
  • Major components are built to be rebuilt, eliminating waste and saving you money by giving the machine and/or major components a second - and even third - life.
  • Machine is built with a 97% recyclability rate (ISO 16714) to conserve valuable natural resources and further enhance machine end-of-life value.


• Reduced engine noise and quieter cabs mean lower operator and spectator sound levels.


• A variety of safety features help safeguard operators and others on the job site.

Work Tools and Attachments

Moldboard Options

A 4.3 m (14 ft) moldboard is standard on the 14M, with a 4.9 m (16 ft) moldboard available as an option.

Ground Engaging Tools (GET)

A variety of tools are available from Cat Work Tools, including cutting edges, graderbits and end bits, all designed for maximum service life and productivity.

Front Mounted Groups

A front mounted push plate/counterweight or front lift group are available. The front lift group can be combined with a front dozer blade for added versatility.

Rear Ripper/Scarifier

Made to penetrate tough material fast and rip thoroughly for easier movement with the moldboard. The ripper includes three shanks with the ability to add four more for additional versatility.

Specificatii tehnice


Base Power (1st Gear) - Net 193 kW
Engine Model Cat® C11 ACERT™ VHP
Bore 130 mm
Stroke 140 mm
Speed at Rated Power 1,800 rpm
VHP Plus Range - Net - Metric 193-221 kW (262-301 hp)
Base Power (1st Gear) - Net - Metric 193 kW
Torque Rise 21%
VHP Plus Range - Net 193-221 kW (259-297 hp)
Maximum Torque - VHP Plus - Net 1422 N·m
VHP Range - Net 193-205 kW (259-275 hp)
VHP Range - Net - Metric 193-205 kW (262-279 hp)
Displacement 11.1 l
Number of Cylinders 6
Derating Altitude 3962 m
Standard - Fan Speed - Maximum 1,450 rpm
Standard - Fan Speed - Minimum 550 rpm
Standard - Ambient Capability 43 °C
High Ambient - Fan Speed - Maximum 1,650 rpm
High Ambient - Fan Speed - Minimum 550 rpm
High - Ambient Capability 50 °C
Power Train
Forward/Reverse Gears 8 Forward/6 Reverse
Transmission Direct drive, power shift, Countershaft
Brakes - Service Oil-actuated, oil-disc
Brakes - Service - Surface Area 34500 cm²
Brakes - Parking Spring applied, hydraulically released
Brakes - Secondary Oil-actuated, oil-disc
Hydraulic System
Circuit Type Electro-hydraulic load sensing, closed center
Pump Type Variable piston
Pump Output 280 l/min
Maximum System Pressure 24150 kPa
Standby Pressure 3100 kPa
Operating Specifications
Top Speed - Forward 50.4 km/h
Top Speed - Reverse 39.8 km/h
Turning Radius - Outside Front Tires 7.9 m
Steering Range - Left/Right 47.5°
Articulation Angle - Left/Right 20°
Forward - 1st 4.4 km/h
Forward - 2nd 6 km/h
Forward - 3rd 8.7 km/h
Forward - 4th 12 km/h
Forward - 5th 18.5 km/h
Forward - 6th 25.1 km/h
Forward - 7th 34.6 km/h
Forward - 8th 50.4 km/h
Reverse - 1st 3.5 km/h
Reverse - 2nd 6.5 km/h
Reverse - 3rd 9.4 km/h
Reverse - 4th 14.6 km/h
Reverse - 5th 27.3 km/h
Reverse - 6th 39.8 km/h
Service Refill
Fuel Capacity 492 l
Cooling System 46.5 l
Hydraulic System - Tank 64 l
Engine Oil 30 l
Transmission - Differential - Final Drives 89 l
Tandem Housing - Each 106 l
Front Wheel Spindle Bearing Housing 0.9 l
Circle Drive Housing 10 l
Drawbar - Width 76.2 mm
Circle - Diameter 1822 mm
Circle - Blade Beam Thickness 50 mm
Drawbar - Height 203.2 mm
Front Frame Structure - Height 406.4 mm
Front Frame Structure - Width 304.8 mm
Front Frame Structure - Thickness 15.9 mm
Front Axle - Height to Center 640 mm
Front Axle - Wheel Lean - Left/Right 17.1°
Front Axle - Total Oscillation per Side 32°
Height 616 mm
Width 214 mm
Sidewall Thickness - Inner 20 mm
Sidewall Thickness - Outer 20 mm
Drive Chain Pitch 57 mm
Wheel Axle Spacing 1656 mm
Tandem Oscillation - Front Up 15°
Tandem Oscillation - Front Down 25°
Blade Width 4.3 m
Moldboard - Height 688 mm
Moldboard - Thickness 25 mm
Arc Radius 413 mm
Throat Clearance 117 mm
Cutting Edge Width 203 mm
Cutting Edge Thickness 16 mm
End Bit - Width 152 mm
End Bit - Thickness 16 mm
Width 4.3 m
Blade Pull - Maximum 18352 kg
Moldboard - Width 4.3 m
Down Pressure - Base 10123 kg
Down Pressure - Maximum 16662 kg
Blade Pull - Base 14117 kg
Blade Range
Circle Centershift - Right 520 mm
Circle Centershift - Left 650 mm
Moldboard Sideshift - Right 790 mm
Moldboard Sideshift - Left 740 mm
Maximum Blade Position Angle 65°
Blade Tip Range - Forward 40°
Blade Tip Range - Backward
Maximum Lift Above Ground 419 mm
Maximum Depth of Cut 438 mm
Maximum Shoulder Reach Outside of Tires - Left 2169 mm
Maximum Shoulder Reach Outside of Tires - Right 2279 mm
Ripping Depth - Maximum 401 mm
Ripper Shank Holders 7
Shank Holder Spacing - Minimum 373 mm
Shank Holder Spacing - Maximum 472 mm
Penetration Force 12348 kg
Pry-Out Force 12767 kg
Machine Length Increase, Beam Raised 1156 mm
Operating Weight - Typically Equipped 24375 kg
Gross Vehicle Weight - Typically Equipped 24375 kg
Gross Vehicle Weight - Maximum - Rear Axle 20392 kg
Gross Vehicle Weight - Base - Front Axle 5737 kg
Gross Vehicle Weight - Base - Rear Axle 15686 kg
Gross Vehicle Weight - Maximum - Total 29834 kg
Gross Vehicle Weight - Maximum - Front Axle 9442 kg
Gross Vehicle Weight - Typically Equipped - Total 24375 kg
Gross Vehicle Weight - Base - Total 21423 kg
Gross Vehicle Weight - Typically Equipped - Rear Axle 18159 kg
Gross Vehicle Weight - Typically Equipped - Front Axle 6216 kg
Height - Top of Cab Product Link - Cellular 3747 mm
Length - Push Plate to Ripper Retracted 10632 mm
Height - Top of Cab 3535 mm
Length - Counterweight to Ripper 10896 mm
Width - Outside Front Tires 2801 mm
Length - Front Axle to Mid Tandem 6559 mm
Length - Front Tire to Rear of Machine 9349 mm
Length - Front Axle to Moldboard 2840 mm
Length - Between Tandem Axles 1656 mm
Width - Outside Rear Tires 2801 mm
Width - Tire Center Lines 2366 mm
Height - Front Axle Center 630 mm
Height - Exhaust Stack 3245 mm
Height - Top of Cylinders 2835 mm
Ground Clearance - Rear Axle 369 mm
Steering ISO 5010:1992
Sound ISO 6394/ISO 6395
Brakes ISO 3450
Net Power - VHP
Gear - Forward 6th 205 kW
Gear - Forward 5th 205 kW
Gear - Reverse 1st 193 kW
Gear - Forward 3rd 201 kW
Gear - Reverse 3rd-6th 201 kW
Gear - Reverse 2nd 197 kW
Gear - Forward 7th 205 kW
Gear - Forward 2nd 197 kW
Gear - Forward 4th 205 kW
Gear - Forward 1st 193 kW
Gear - Forward 8th 205 kW
Net Power - VHP Plus
Gear - Forward 5th 209 kW
Gear - Reverse 2nd 197 kW
Gear - Reverse 3rd-6th 201 kW
Gear - Forward 7th 217 kW
Gear - Forward 8th 221 kW
Gear - Forward 6th 213 kW
Gear - Reverse 1st 193 kW
Gear - Forward 3rd 201 kW
Gear - Forward 1st 193 kW
Gear - Forward 4th 205 kW
Gear - Forward 2nd 197 kW
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