The 24M features a revolutionary cab design that provides unmatched comfort and ease of use, making the operator more confident and productive .
Advanced Joystick ControlsTwo electro-hydraulic joysticks reduce hand and wrist movement as much as 78% compared to conventional lever controls for greatly enhanced operator efficiency. The intuitive pattern is easy to learn, and provides the precise implement control you expect from Caterpillar.
Ripper ControlThe ripper control is ergonomically positioned to allow simple, comfortable operation.
VisibilityThe exceptional forward view is made possible by a unique raised cab design and a one-piece front window, improving operator confidence and productivity. The large side windows offer a clear view of the moldboard heel and tandem tires. A wide rear window provides good visibility behind the machine. Glare reducing paint on the front frame, lift arms and rear enclosure help reduce glare, resulting in safer operation at night.
In-Dash Instrument ClusterThe instrument panel, with easy-to-read, high-visibility gauges and warning lamps, keeps the operator aware of critical system information.
Controls and SwitchesReliable, long-life rocker switches are located on the right side cab post and front instrument cluster, within easy reach for the operator. Controls and switches are backlit for increased safety during night time operations.
Cat MessengerCat Messenger provides real-time machine performance and diagnostic data. The operator can quickly view critical performance and operating information, in multiple languages, helping to maximize the life and productivity of the machine.
Low Interior Sound and Vibration LevelsIsolation mounts for the cab, engine and transmission significantly reduce sound and vibration. The quiet interior with low vibration levels provide a comfortable work environment.
Cat Comfort Series SeatThe Cat Comfort Series air suspension seat has an ergonomic high-back design, with extra thick contoured cushions and infinitely adjustable lumbar support that evenly distributes the operator’s weight. Multiple seat controls and armrests are easy to adjust for optimal support and comfort all day.
Comfort and ConvenienceCaterpillar has built the most comfortable cab in the industry by replacing the control levers and steering wheel with two joystick controls. Extra leg and foot room create a spacious, open cab. Multiple adjustment capabilities for the arm rest, wrist rest and joystick pods help keep the operator comfortable throughout a long shift.
Modular HVAC System
Additional Cab FeaturesAdditional cab features include cup holder, lighter, ashtray, coat hook, storage area, night time light and power port. Optional rear view camera, 25-amp power converter and satellite radio are also available.
Steering and Implement Controls
The 24M sets a new standard for motor grader operational efficiency.
Ease of OperationThe revolutionary joystick controls make the 24M easier to operate without sacrificing control. The intuitive joystick control pattern allows both new and experienced operators to become productive quickly. Logical grouping of hydraulic functions in the joysticks allow any operator to easily control several functions at the same time. This allows the operator to be more productive and remain comfortable throughout the work shift.
Electronic Throttle ControlElectronic Throttle Control (ETC) provides the operator with easy, precise, and consistent throttle operation. An automatic and manual mode on a single switch offers flexibility for different applications and operator preference.
Ripper Control PodAn infinitely variable roller switch controls the rear ripper for easy and comfortable control.
Articulation Return-to-CenterThis exclusive feature automatically returns the machine to a straight frame position from any articulation angle with the touch of a single button. Return-to-Center helps improve productivity and safety by allowing the operator to focus on controlling the moldboard.
Left Joystick FunctionsThe left joystick primarily controls the machine direction and speed. 1 - Steering: Lean joystick left and right 2 - Articulation: Twist joystick left and right 3 - Articulation Return to Center: Yellow thumb button 4 - Wheel Lean: Two black thumb buttons 5 - Direction: Index trigger shifts transmission to forward, neutral or reverse 6 - Gear Selection: Two yellow thumb buttons upshift and downshift 7 - Left moldboard lift cylinder: Push joystick to lower, pull joystick to raise Left moldboard lift cylinder float: Pushing joystick through detent engages float
Right Joystick FunctionsThe right joystick primarily controls the Drawbar, Circle and Moldboard functions. 1 - Right moldboard lift cylinder: Push joystick to lower, pull joystick to raise Right moldboard lift cylinder float: Pushing joystick through detent engages float 2 - Moldboard slide: Lean joystick left and right 3 - Circle turn: Twist joystick left and right 4 - Moldboard tip: Thumb switch fore and aft 5 - Drawbar center shift: Thumb switch left and right 6 - Electronic Throttle Control: Top trigger button is resume and decrement 7 - Differential Lock/Unlock: Bottom trigger button
The 24M utilizes ACERT™ Technology to deliver maximum power and efficiency while reducing the environmental impact.
ACERT™ TechnologyACERT™ Technology allows Cat engines to supply more power per unit of displacement without causing premature wear. This breakthrough technology reduces emissions during the combustion process by using advanced technology in the air and fuel systems, in conjunction with integrated electronics. ACERT Technology enhances overall engine performance while dramatically reducing exhaust emissions.
Superior Lugging PerformanceThe Cat C18 engine meets specific performance requirements for 24M applications. Its superior torque and lugging capability can pull through sudden, short-term increases in loads, maintaining consistent, desirable grading speeds to get the work done faster without downshifting.
Exhaust Emissions CompliantThe Cat C18 with ACERT Technology meets or exceeds all U.S. EPA Tier 3 and European Union Stage IIIa emissions control standards.
Hydraulic Demand FanThe hydraulic demand fan automatically adjusts cooling fan speed according to engine cooling requirements. This system reduces demands on the engine, putting more horsepower to the ground and improving fuel efficiency.
Compression BrakeThe optional three phase compression brake enables higher travel speeds downhill, while reducing wear on brake components. This improves overall productivity and lowers maintenance costs.
Ether Starting AidThis standard feature helps cold-weather startups in extreme temperatures. The system monitors engine coolant temperature to prevent ether from being injected into a hot engine.
Structures, Drawbar, Circle and Moldboard
Rugged structures and DCM design deliver maximum durability and productivity.
Front Frame StructureContinuous top and bottom plate construction provides consistency and strength. The flanged box section design removes welds from high stress areas, improving reliability and durability.
Rear Frame StructureTwo steel plates running the full length of the rear frame are integrated with the box section hitch. This helps resist torsion loads and ensure structural durability. The integrated steel tube unifies the rear frame and supports the engine, while helping the frame withstand heavy-duty applications.
Articulation HitchA large tapered roller bearing at the lower pivot carries loads evenly and smoothly. A mechanical locking pin prevents frame articulation to ensure safety when servicing or transporting the machine.
Drawbar ConstructionThe A-frame drawbar features a box-section design for high strength and optimum durability.
Circle ConstructionA one piece forged steel circle is built to stand up to high stress loads and provide structural durability. Six bolt-on tooth segments can be individually replaced and serviced for reduced downtime and cost.
Replaceable Wear InsertsTough, durable wear inserts reduce rotational friction for maximum circle torque and longer component life. They are located between the drawbar and circle, and between the support shoes and circle. High load-resistant brass wearstrips are placed between the blade mounting group and moldboard. This sacrificial wear system can be replaced easily and helps keep components tight for fine grading.
Adjustable Rear Circle DriveAn adjustable rear circle drive makes serviceability easier and faster, and also reduces component wear by keeping components tight.
Yoke PlateFull-length yoke plate gives strength, support and protection to the circle.
Aggressive Blade AngleWith a long wheelbase the operator can obtain aggressive moldboard angles, so material rolls more freely along the length of the blade. This is particularly helpful when handling very dry materials or cohesive soils. Better material control gets the job done faster, requires less power and saves fuel.
MoldboardThe optimal curvature and large throat clearance help move material quickly and efficiently. Heat-treated moldboard rails, hardened cutting edges and end bits, and large diameter bolts assure reliability and longer service life.
Push Plate/CounterweightA front mounted push plate/counterweight can be added on the 24M.
RipperThe 24M standard ripper is made to penetrate tough material fast and rip thoroughly for easier material movement with the moldboard. The ripper includes three shanks with the ability to add four more if needed.
Integrated, electronically controlled systems, deliver smooth reliable performance with reduced operating costs.
Smooth Shifting TransmissionThe 24M combines several key innovations to ensure smooth, powerful shifts throughout the gear range.
Electronically Controlled ShiftingThe full Electronic Clutch Pressure Control (ECPC) system smooths shifting between all gears and directional changes. This provides outstanding control and also extends the life of the transmission by reducing stress on gears.
Lockup Clutch Torque ConverterPermits the machine to operate in direct drive for more efficient operation at higher torque converter output speeds.
Engine Over-Speed ProtectionHelps protect the transmission and extend component life by preventing downshifting until a safe travel speed has been established.
Programmable AutoshiftThe operator can easily customize various shift parameters through Cat Messenger to match the specific application requirement. This standard feature automatically shifts the transmission at optimal points so the operator can focus on the work, improving safety, productivity and ease of operation.
Modular Rear AxleThe 24M incorporates a bolt-on modular rear axle design, which offers easy access to differential components, improves serviceability and contamination control, and lowers operating costs.
Front AxleThe Cat sealed spindle keeps the bearings free from contaminants and lubricated in a light-weight oil (1). This durable, low-maintenance design reduces your owning and operating costs. Two tapered roller bearings (2) support the wheel spindle. The Cat “Live Spindle” design places the larger tapered roller bearing outboard where the load is greater, extending bearing life.
Gear SelectionSix forward and three reverse gears give the operator a wide operating range. The specifically designed range of gears ensures maximum productivity in all mining applications.
Hydraulic BrakesThe oil bathed, multi-disc service brakes are hydraulically actuated, providing smooth predictable braking and lower operating costs. With brakes located at each tandem wheel, the 24M offers large total brake surface area, delivering dependable stopping power and longer brake life.
The 24M electro-hydraulics enable advanced machine controls with precise and predictable movements.
Advanced Electro-Hydraulic SystemThe 24M incorporates a state-of-the-art electro-hydraulic system. This technology is the foundation for revolutionary changes of the machine and implement controls. Advanced joystick controls provide unmatched controllability with precise and predictable hydraulic movements, and the reliability you expect from Caterpillar.
Load Sensing Hydraulics (PPPC)The time proven load-sensing system and the advanced Proportional Priority Pressure-Compensating (PPPC, or “triple-PC”) electro-hydraulic valves on the 24M are designed to provide superior implement control and enhanced machine performance in all applications. Continuous matching of hydraulic flow and pressure to power demands creates less heat and reduces power consumption.
Consistent and Predictable MovementPPPC valves have different flow rates for the head and rod ends of the cylinder. This ensures consistent extension and retraction speeds for each cylinder, and gives the operator a consistent and predictable response every time an implement control is moved.
Blade FloatBlade float is built into the blade lift control valves. The blade float feature allows the blade to move freely under its own weight. By floating both cylinders, the blade can follow the contours of the haul roads. 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.
Variable FloatThe optional variable float feature lets the operator select the amount of down force the blade has when it is in float. This allows the operator to easily follow the contour of the haul road when removing only the loose material, increasing productivity and cutting edge life.
Balanced FlowHydraulic flow is proportioned to ensure all implements operate simultaneously with little effect on the engine or implement speeds. If demand exceeds pump capacity, all cylinder velocities are reduced by the same ratio. The result is improved productivity in all applications.
Cat® XT™ HoseCat hose technology allows high pressures for maximum power and reduced downtime. Intelligent routing minimizes exposure to damage. Hose clips prevent hose rubbing and excessive vibration for lower owning and operating costs.
Independent Oil SupplyLarge, separate hydraulic oil supply prevents cross-contamination and provides proper oil cooling, which reduces heat build-up and extends component life.
Integrated Electronic Solutions
Full systems integration optimizes machine performance and availability.
“Smart Machine”The 24M fully integrates all core systems creating a “Smart Machine.” The Cat data link shares key data among systems, optimizing machine performance while preventing potential machine damage.
Electronic Technician (Cat ET)Cat ET is a two-way communication tool that gives service technicians easy access to stored diagnostic data and lets them configure the machine parameters through the Cat Data Link. This integrated feature reduces machine downtime and lowers operating costs.
DiagnosticsCat Messenger, combined with full systems integration, enhances the diagnostic capability of the 24M. Machine system errors are displayed in text as well as with fault codes, allowing service technicians and operators to quickly analyze critical data, increasing machine availability.
Machine Security System (MSS)The optional MSS uses electronically coded keys to limit usage by specific individuals or times of the day. MSS deters theft, vandalism and unauthorized use.
Product LinkThe optional Product Link system streamlines diagnostic efforts, and reduces downtime, maintenance scheduling and costs by providing a communication flow of vital machine data and location. Product Link gives automatic updates on machine parameters such as machine hours, machine condition, location, fault codes and alarms.
Optional Automatic Blade ControlThe Cat AccuGrade System automatically controls the blade, improving operator efficiency and productivity.
AccuGrade Attachment Ready OptionThe AccuGrade system is fully integrated into the machine design, making installation quick and easy. Integral hydraulic and electrical components are standard on the 24M (Grade Control Ready). The AccuGrade Attachment Ready Option provides additional mounting brackets, cab controls and electrical harnesses for easy installation of the Cross Slope electronics kit.
Cat MessengerStandard on the 24M, Cat Messenger provides real-time machine performance and diagnostic data with an easy-to-use interface. Messenger monitors all system data and alerts the operator of any faults through a digital text display that can be shown in multiple languages.
Low Battery Elevated IdleAfter the 24M is at low idle for an extended period and low system voltage is detected, idle speed is raised. This ensures adequate system voltage and improves battery reliability.
Automatic Engine DerationProtects the C18 engine by automatically lowering engine torque output and alerting the operator if critical conditions are detected.
Safety is an integral part of all machine and system designs.
Operator Presence SystemThe Operator Presence System keeps the parking brake engaged and hydraulic implements disabled until the operator is seated and the machine is ready for safe operation.
Secondary Steering SystemThe standard secondary steering system automatically engages a ground driven hydraulic pump in case of a drop in steering pressure, allowing the operator to steer the machine to a stop.
Speed Sensitive SteeringThe steering software automatically provides an infinitely variable ratio between the joystick and the steer tires, resulting in less sensitive steering as the ground speed increases.
Low Sound and Vibration LevelsIsolation mounts for the cab, engine and transmission maximize operator comfort and help to minimize sound and vibration. These modifications provide a quieter and more comfortable working environment, optimizing operator focus.
Hydraulic LockoutA simple switch located in the cab disables all implement functions while still providing machine steering control. This safety feature is especially useful while the machine is roading.
Brake SystemsBrakes are located at each tandem wheel to eliminate braking loads on the power train. In addition, the brake systems are redundant and utilize accumulators to enable stopping in case of machine failure, further increasing operational safety.
Circle Drive Slip ClutchesTwo standard circle drive slip clutches protect the drawbar, circle and moldboard from shock loads when the blade encounters an immovable object. It also reduces the possibility of abrupt directional changes in poor traction conditions, protecting the machine, operator and surroundings.
Blade Lift AccumulatorsThis standard feature uses accumulators to help absorb impact loads to the moldboard by allowing vertical blade travel. Blade lift accumulators reduce unnecessary wear and help to avoid unintended machine movement for increased operator safety.
Rearview CameraVisibility is further enhanced with an optional Work Area Vision System (WAVS) through a 178 mm (7 in) LCD color monitor in the cab. Developed specifically for rugged applications, it improves productivity and increases operator awareness of surroundings.
High Intensity Discharge (HID) LightingOptional HID lights can replace the standard halogen lamps. The powerful HID lights are four times brighter, improving night time visibility and safety.
Electrical Disconnect SwitchA battery disconnect switch provides ground-level lockout of the electrical system to prevent inadvertent starting of the machine.
Engine Shutoff SwitchAn engine shutoff switch is located at ground level on the left rear of the machine, allowing anyone nearby to shut it down in case of an emergency.
Window Cleaning PlatformThe optional window-cleaning platform provides an easier and safer access to all windows and improves ingress/egress to the cab with access from the rear.
Steel Tandem WalkwaysPerforated raised steel walkways cover the tandems. This provides a sturdy platform for standing and walking, and additional protection for the brake lines. A stairway lamp illuminates the walkway and can be activated at ground level during entry and shut off with a switch in the cab.
Fire Supression Mounting PlateThe standard fire suppression mounting plate places the tanks in the optimum position for improved visiblity, ingress/egress and durability.
Rear FendersTo help reduce objects flying from the tires, as well as a build-up of mud, snow or debris, optional rear fenders can be added.
Additional Safety FeaturesThe 24M has many additional standard safety features, including laminated glass on the front windows, back-up lights, sounding alarm, lockable doors, black glare-reducing paint on the front frame, engine enclosure and lift arms and conveniently located grab rails for added safety.
Serviceability and Customer Support
Simplified service, world-class product support and Cat dealer-trained experts keep your fleet up and running, maximizing your equipment investment.
Grouped Service PointsThe 24M groups daily service points in the left side service center to help ensure proper maintenance and inspection routines.
Extended Service IntervalsThe 24M extended service intervals, such as 500-hour engine oil changes and 4000-hour hydraulic oil changes, reduce machine service time and increase availability.
Fast-Fill FuelThe 24M offers a standard Fast-Fill that allows customers to refuel in less than four minutes for fast, accurate filling and reduced downtime.
Ecology DrainsConveniently located ecology drains shorten service times and help keep the environment safe by preventing spills.
Automatic Lubrication SystemThe standard Lincoln Centro-Matic® AutoLube System maintains the proper grease lubrication on working surfaces, significantly extending component life. Contaminants are purged from open pins and bushings to help prevent dirt from damaging critical components.
Grouped Components RebuildsRebuilds take your machine out of service. Caterpillar designs components to be rebuilt in groups, maximizing uptime.
Diagnostics and MonitoringThe 24M integrates Cat Messenger, Cat Electronic Technician and S•O•SSM Sampling ports for easy monitoring and fast troubleshooting, keeping your machine up and running.
Machine SelectionMake detailed comparisons of the machines under consideration before purchase. Cat dealers help you size the right machine for your operations and can estimate component life, preventative maintenance cost, and the true cost of production.
PurchaseConsider the financing options available, as well as day-to-day operating costs. Look at dealer services that can be included in the cost of the machine to yield lower equipment owning and operating costs over the long run.
Maintenance ServicesRepair option programs guarantee the cost of repairs up front. Diagnostics programs such as Scheduled Oil Sampling, S•O•SSM analysis, Coolant Sampling and Technical Analysis help avoid unscheduled repairs.
Product SupportYou will find nearly all parts at our dealer parts counter. Cat dealers use a world-wide computer network to track in-stock parts to minimize machine down time. Save money with genuine Cat Reman parts. You receive the same warranty and reliability as new products at substantial cost savings.