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Overview

The M Series Motor Grader has become the industry standard in operational efficiency and overall productivity. The 24M is designed to help you build and maintain the haul roads needed to support maximum efficiency in large mining operations. Unprecedented operator comfort and ease of service help to maximize your return on investment.

Engine

Units:
Base Power (1st gear) – Net 533.0 hp 397.0 kW Less
Engine Model Cat® C18 ACERT™ Cat® C18 ACERT™ Less
Base Power (all gears) – Net 533.0 hp 397.0 kW Less
Base Power (all gears) – Net (Metric) 540.0 hp 397.0 kW Less
Displacement 1104.5 in3 18.1 L Less

Power Train

Forward/Reverse Gears 6 Forward/3 Reverse 6 Forward/3 Reverse Less
Transmission Automatic, electronic power shift Automatic, electronic power shift Less
Brakes – Service Oil-actuated, oil-disc Oil-actuated, oil-disc Less
Brakes – Service, Surface Area 15733.0 in2 101508.0 cm2 Less
Brakes – Parking Spring applied, hydraulically released Spring applied, hydraulically released Less
Brakes – Secondary Oil-actuated, oil-disc Oil-actuated, oil-disc Less

Hydraulic System

Circuit Type Electro-hydraulic load sensing, closed center Electro-hydraulic load sensing, closed center Less
Pump Type Variable piston Variable piston Less
Pump Output 145.0 gal/min 550.0 L/min Less
Maximum System Pressure 3500.0 psi 24150.0 kPa Less
Standby Pressure 450.0 psi 3100.0 kPa Less

Operating Specifications

Top Speed – Forward 27.0 mph 43.4 km/h Less
Top Speed – Reverse 25.8 mph 41.6 km/h Less
Turning Radius, Outside Front Tires 40.68 ft 12.4 m Less
Steering Range – Left/Right 47.5° 47.5° Less
Articulation Angle – Left/Right 25° 25° Less
Forward – 1F 2.3 mph 3.7 km/h Less
Forward – 2F 3.6 mph 5.7 km/h Less
Forward – 3F 6.0 mph 9.7 km/h Less
Forward – 4F 9.4 mph 15.1 km/h Less
Forward – 5F 17.4 mph 28.0 km/h Less
Forward – 6F 27.0 mph 43.4 km/h Less
Reverse – 1R 3.4 mph 5.5 km/h Less
Reverse – 2R 9.0 mph 14.5 km/h Less
Reverse – 3R 25.8 mph 41.6 km/h Less

Service Refill

Fuel Capacity 350.0 gal 1326.0 L Less
Cooling System 24.0 gal 90.0 L Less
Hydraulic System – Total 70.0 gal 264.0 L Less
Hydraulic System – Tank 36.0 gal 135.0 L Less
Circle Drive Housing (each) 2.0 gal 7.5 L Less
Differential/Final Drives 49.0 gal 184.0 L Less
Transmission Oil 23.0 gal 87.1 L Less
Engine Oil 16.0 gal 60.0 L Less
Tandem Housing (each) 85.0 gal 322.0 L Less
Front Wheel Spindle Bearing Housing 1.0 gal 4.0 L Less

Frame

Drawbar – Width 8.9 in 225.0 mm Less
Circle – Diameter 103.6 in 2631.0 mm Less
Circle – Blade Beam Thickness 6.3 in 160.0 mm Less
Drawbar – Height 8.5 in 215.0 mm Less
Height - Front Axle Center 33.8 in 858.0 mm Less
Drawbar – Thickness 0.6 in 16.0 mm Less
Front-Top/Bottom Plate – Width 20.2 in 514.0 mm Less
Front-Top/Bottom Plate – Thickness 2.0 in 50.0 mm Less
Front-Side Plates – Width 16.3 in 415.0 mm Less
Front-Side Plates – Thickness 1.0 in 25.0 mm Less
Front Axle – Height to Center 32.2 in 817.0 mm Less
Front Axle – Wheel Lean, Left/Right 18° 18° Less
Front Axle – Total Oscillation per Side 32° 32° Less

Tandems

Height 41.0 in 1040.0 mm Less
Width 13.9 in 353.0 mm Less
Sidewall Thickness – Inner 1.0 in 25.0 mm Less
Sidewall Thickness – Outer 1.2 in 30.0 mm Less
Drive Chain Pitch 3.0 in 76.0 mm Less
Wheel Axle Spacing 90.0 in 2285.0 mm Less
Tandem Oscillation – Front Up 20° 20° Less
Tandem Oscillation – Front Down 20° 20° Less

Moldboard

Blade Width 24.0 ft 7.3 m Less
Arc Radius 21.7 in 550.0 mm Less
Throat Clearance 6.4 in 162.0 mm Less
Cutting Edge – Width 13.0 in 330.0 mm Less
Cutting Edge – Thickness 1.1 in 29.0 mm Less
End Bit – Width 8.0 in 203.0 mm Less
End Bit – Thickness 1.0 in 25.0 mm Less
Blade Pull - Base 86500.0 lb 39236.0 kg Less
Blade Pull - Maximum 95940.0 lb 43518.0 kg Less
Down Pressure - Base 69583.0 lb 31563.0 kg Less
Down Pressure - Maximum 75654.0 lb 34316.0 kg Less
Height 40.0 in 1025.0 mm Less
Thickness 2.0 in 50.0 mm Less
Width 24.0 ft 7.3 m Less

Blade Range

Circle Centershift – Right 210.2 in 5338.0 mm Less
Circle Centershift – Left 209.9 in 5332.0 mm Less
Moldboard Sideshift – Right 193.0 in 4902.0 mm Less
Moldboard Sideshift – Left 178.3 in 4528.0 mm Less
Maximum Blade Position Angle 35° 35° Less
Blade Tip Range – Forward 40° 40° Less
Blade Tip Range – Backward Less
Maximum Shoulder Reach Outside of Tires – Right 127.1 in 3228.0 mm Less
Maximum Shoulder Reach Outside of Tires – Left 126.9 in 3222.0 mm Less
Maximum Lift above Ground 25.0 in 634.0 mm Less
Maximum Depth of Cut 25.9 in 657.0 mm Less

Ripper

Ripping Depth – Maximum 17.9 in 454.0 mm Less
Ripper Shank Holders 7 7 Less
Shank Holder Spacing – Minimum 23.4 in 593.0 mm Less
Shank Holder Spacing – Maximum 23.8 in 604.0 mm Less
Penetration Force 29985.0 lb 13601.0 kg Less
Pryout Force 41052.0 lb 18621.0 kg Less

Weights

Operating Weight – Typically Equipped 145151.0 lb 65840.0 kg Less
Gross Vehicle Weight – Typically Equipped 145151.0 lb 65840.0 kg Less
Gross Vehicle Weight – Maximum – Front Axle 45856.0 lb 20800.0 kg Less
Gross Vehicle Weight – Maximum – Rear Axle 107001.0 lb 48535.0 kg Less
Gross Vehicle Weight – Base – Front Axle 42177.0 lb 19131.0 kg Less
Gross Vehicle Weight – Base – Rear Axle 96110.0 lb 43595.0 kg Less
Gross Vehicle Weight – Maximum – Total 152857.0 lb 69335.0 kg Less
Gross Vehicle Weight – Base – Total 138287.0 lb 62726.0 kg Less
Gross Vehicle Weight – Typically Equipped – Front Axle 43100.0 lb 19550.0 kg Less
Gross Vehicle Weight – Typically Equipped – Rear Axle 102051.0 lb 46290.0 kg Less
Gross Vehicle Weight – Typically Equipped – Total 145151.0 lb 65840.0 kg Less

Standards

Brakes ISO 3450 ISO 3450 Less
ROPS/FOPS ISO 3471/ISO 3449 ISO 3471/ISO 3449 Less
Sound ISO 6394/ISO 6395 ISO 6394/ISO 6395 Less
Steering ISO 5010 ISO 5010 Less

Engine – U.S. EPA Tier 4 Interim Certified

Base Power (all gears) - Net 533.0 hp 397.0 kW Less
Base Power (all gears) - Net (Metric) 540.0 hp 397.0 kW Less
Bore 5.7 in 145.0 mm Less
Derating Altitude 9655.0 ft 2943.0 m Less
Displacement 1104.5 in3 18.1 L Less
Engine Model Cat® C18 ACERT™ Cat® C18 ACERT™ Less
Maximum Torque – Net 2001.0 lb ft 2713.0 N·m Less
Number of Cylinders 6 6 Less
Speed @ Rated Power 1800.0 RPM 1800.0 RPM Less
Standard - Ambient Capability 122.0 ° F 50.0 ° C Less
Standard - Fan Speed - Maximum 1325.0 RPM 1325.0 RPM Less
Standard - Fan Speed - Minimum 60.0 RPM 60.0 RPM Less
Stroke 7.2 in 183.0 mm Less

Engine – Tier 2

Base Power (all gears) – Net 533.0 hp 397.0 kW Less
Base Power (all gears) – Net (Metric) 540.0 hp 397.0 kW Less
Bore 5.7 in 145.0 mm Less
Derating Altitude 10000.0 ft 3048.0 m Less
Displacement 1104.5 in3 18.1 L Less
Engine Model Cat C18 ACERT Cat C18 ACERT Less
Maximum Torque – Net 2001.0 lb ft 2713.0 N·m Less
Number of Cylinders 6 6 Less
Speed @ Rated Power 1800.0 RPM 1800.0 RPM Less
Standard – Ambient Capability 122.0 ° F 50.0 ° C Less
Standard – Fan Speed – Maximum 1325.0 RPM 1325.0 RPM Less
Standard – Fan Speed – Minimum 60.0 RPM 60.0 RPM Less
Stroke 7.2 in 183.0 mm Less
Torque Rise – Net 30.0 % 30.0 % Less

Operator Station

Comfort, productivity, advanced technology


Steering and Implement Controls

Unprecedented precision and ease of operation


Engine

Power and reliability


Power Train

Maximum power to the ground


Structures and Drawbar-Circle-Moldboard

Service ease and precise blade control


Hydraulics

Advanced machine control


Integrated Technologies

Solutions to make work easier and more efficient


Safety

Designed with protection in mind


Serviceability and Customer Support

When uptime counts


Sustainability

Thinking generations ahead


24M Standard Equipment

POWER TRAIN
  • Air cleaner, dual stage dry type radial seal with service indicator and automatic dust ejector
  • Air-to-air after cooler (ATAAC)
  • Brakes, oil disc, four-wheel
  • Demand fan, hydraulic
  • Differential, lock/unlock, Automatic/Manual
  • Drain, engine oil, high speed
  • Electronic over speed protection
  • Engine, C18 with ACERT Technology, diesel, with automatic engine derate and idle control, and compression brake: – C18 ACERT (Tier 3) REQUIRED FOR: United States, Canada, Guam, Samoa, Croatia, Turkey, European Union, Israel, Japan, South Korea, Azores. Note: For U.S. and Canadian dealers only, engine is EPA/ARB Flexibility Engine. Note: For all other regions, engine meets non-current U.S. EPA Tier 3 or EU Stage IIIA emission standards. – C18 ACERT (Tier 2) Provides improved performance in regions using fuel with a high boiling point; improved altitude capability, fuel economy, and resistance to piston deposits. NOT FOR USE BY: United States, Canada, Guam, Samoa, Croatia, Turkey, European Union, Israel, Japan, South Korea, Azores. Note: Engine meets non-current U.S. EPA Tier 2 or EU Stage II emission standards.
  • Ether starting aid
  • Parking brake, multi-disc, sealed and oil cooled
  • Sediment drain, fuel tank
  • Transmission, 6 speed forward and 3 speed reverse, power shift, autoshift

ELECTRICAL
  • Alarm, back-up
  • Alternator, 150 ampere, sealed, filtered air intake
  • Batteries, maintenance free, 1,500 CCA
  • Electrical hydraulic valves, base 8
  • Electrical system, 24 volt
  • Grade Control Ready (cab harness, software, electrical hydraulic valves, bosses and brackets)
  • Lights, reversing, stop, tail, turn
  • Starter, receptacle, plug-in

OPERATOR ENVIRONMENT
  • Air conditioner and heater
  • Articulation, automatic return to center
  • Defroster fan, rear window
  • Display, digital speed and gear
  • Gauges (analog) inside the cab (fuel, articulation, engine coolant temp, engine RPM and system voltage)
  • Messenger operator information system
  • Mirror, inside rearview, wide angle
  • Power port, 12V
  • Radio ready (entertainment)
  • ROPS cab, sound suppressed less than 75 dB(A) ISO 6394 100% fan speed
  • Seat, cloth, air suspension
  • Throttle control, electronic
  • Windows: laminated glass – fixed front with intermittent wiper, sides (2), rear with wiper/washer

TECHNOLOGY PRODUCTS
  • Product Link Ready

SAFETY AND SECURITY
  • Clutch, circle drive slip
  • Doors, 8 engine compartment, (four left-hand, four right-hand) locking
  • Ground level engine shutdown
  • Horn, electric
  • Lockout, hydraulic implement for roading and servicing
  • Paint, glare reducing, top of front frame and top of rear enclosure
  • Seat belt, retractable 76 mm (3 in)
  • Secondary steering
  • Tandem walkway/guards

TIRES, RIMS, AND WHEELS
  • 25 × 29 multi-piece rims

GROUND ENGAGING TOOLS
  • Cutting edges, 330 mm × 28 mm (13 in × 11⁄8 in), curved DH-2 steel, 25 mm (1 in), mounting bolts, 19 mm (0.75 in), includes endbits
  • Moldboard, 7315 mm × 1067 mm × 50 mm (24 ft × 42 in × 2 in)
  • Ripper, rear, 7 shank capacity, 3 shanks/tips provided

FLUIDS
  • Extended Life Coolant to –50° C (–58° F)
  • Fluid check, ground level

OTHER STANDARD EQUIPMENT
  • Accumulators, blade lift
  • Autolube, Lincoln Centro-Matic
  • Drawbar, 8 shoe with replaceable wear strips
  • Electrical hydraulic valves, base 8
  • Fuel tank, 1325 L (350 gal) Fast Fill
  • Integrated Cat Grade Control Cross Slope
  • Ground level fueling
  • Push plate-counterweight
  • S·O·SSM ports, engine, hydraulic, transmission, coolant, fuel

24M Optional Equipment

GROUND ENGAGING TOOLS
  • Cutting edge, 330 mm × 28 mm (13 in × 1.12 in) straight cutting edge
  • Cutting edge, 330 mm × 45 mm (13 in × 1.77 in) straight cutting edge
  • Cutting edge, 406 mm × 28 mm (16 in × 1.12 in) straight cutting edge
  • Cutting edge, 406 mm × 45 mm (16 in × 1.77 in) straight cutting edge
  • Tooth, ripper, straight shank, one tooth

HYDRAULICS
  • Control, blade, variable float

OPERATOR ACCESS
  • Dual access platform package, basic
  • Dual access platform package, plus
  • Cab basic
  • Cab plus

TECHNOLOGY PRODUCTS
  • Product Link
  • Installation, AccuGrade Ready

OTHER ATTACHMENTS
  • Fenders, rear
  • Rim, spare 29.5-29
  • Cold weather package

LIGHTING PACKAGES
  • Lighting package, basic (halogen)
  • Lighting package, plus (HID)
  • Lighting package, plus (LED)
  • Lights, work, heel 5×5
  • Lights, work, heel HID
  • Lights, work, heel LED
  • Light, LED warning strobe

OPERATOR ENVIRONMENT
  • Radio, 12V, AM/FM weather band
  • Radio, satellite, Sirius
  • Radio ready, satellite
  • Camera, rear vision
  • Mirrors, outside mounted
  • Mirrors, outside heated 24V

GUARDS
  • Guard package
  • Guard, sound
  • Sound suppression, engine enclosure

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