24M Motor Grader

24M Motor Grader

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 Model
Cat® C18 ACERT™
Gross Vehicle Weight - Typically Equipped
145151.0 lb
Gross Vehicle Weight - Maximum - Front Axle
45856.0 lb
Gross Vehicle Weight - Maximum - Rear Axle
107001.0 lb

Engine

Engine Model
Cat® C18 ACERT™
Base Power (all gears) - Net
533.0hp
Displacement
1104.5in3
Base Power (1st Gear) - Net
533mm H2O
Base Power (All Gears) - Net - Metric
540mm H2O
Engine Model
Cat® C18 ACERT™
Base Power (All Gears) - Net
533mm H2O
Displacement
1104.5in³

Weights

Gross Vehicle Weight - Typically Equipped
145151.0lb
Gross Vehicle Weight - Maximum - Front Axle
45856.0lb
Gross Vehicle Weight - Maximum - Rear Axle
107001.0lb
Gross Vehicle Weight - Base - Front Axle
42177.0lb
Gross Vehicle Weight - Base - Rear Axle
96110.0lb
Gross Vehicle Weight - Maximum - Total
152857.0lb
Gross Vehicle Weight - Base - Total
138287.0lb
Gross Vehicle Weight - Typically Equipped - Front Axle
43100.0lb
Gross Vehicle Weight - Typically Equipped - Rear Axle
102051.0lb
Gross Vehicle Weight - Typically Equipped - Total
145151.0lb
Operating Weight - Typically Equipped
145151lb
Gross Vehicle Weight - Typically Equipped
145151lb
Gross Vehicle Weight - Maximum - Rear Axle
107001lb
Gross Vehicle Weight - Base - Front Axle
42177lb
Gross Vehicle Weight - Base - Rear Axle
96110lb
Gross Vehicle Weight - Maximum - Total
152857lb
Gross Vehicle Weight - Base - Total
138287lb
Gross Vehicle Weight - Maximum - Front Axle
45856lb
Gross Vehicle Weight - Typically Equipped - Front Axle
43100lb
Gross Vehicle Weight - Typically Equipped - Rear Axle
102051lb
Gross Vehicle Weight - Typically Equipped - Total
145151lb

Power Train

Brakes - Service, Surface Area
15733.0in2
Forward/Reverse Gears
6 Forward/3 Reverse
Transmission
Automatic, electronic power shift
Brakes - Service
Oil-actuated, oil-disc
Brakes - Parking
Spring applied, hydraulically released
Brakes - Secondary
Oil-actuated, oil-disc
Brakes - Service - Surface Area
15733in²

Hydraulic System

Pump Output
145.0gal/min
Standby Pressure
450.0psi
Circuit Type
Electro-hydraulic load sensing, closed center
Pump Type
Variable piston
Maximum System Pressure
3500psi
Pump Output
145gal/min
Standby Pressure
450psi

Moldboard

Height
40.0in
Thickness
2.0in
Width
24.0ft
Blade Width
24ft
Arc Radius
21.7in
Throat Clearance
6.4in
Cutting Edge Width
13in
Cutting Edge Thickness
1.1in
End Bit - Width
8in
End Bit - Thickness
1in
Blade Pull - Base
86500lb
Blade Pull - Maximum
95940lb
Down Pressure - Base
69583lb
Down Pressure - Maximum
75654lb
Height
40in
Thickness
2in
Width
24ft

Service Refill

Circle Drive Housing (each)
2.0gal
Differential/Final Drives
49.0gal
Fuel Capacity
350gal (US)
Cooling System
24gal (US)
Hydraulic System - Total
70gal (US)
Hydraulic System - Tank
36gal (US)
Transmission Oil
23gal (US)
Engine Oil
16gal (US)
Tandem Housing - Each
85gal (US)
Front Wheel Spindle Bearing Housing
1gal (US)
Circle Drive Housing - Each
2gal (US)
Differential - Final Drives
49gal (US)

Frame

Height - Front Axle Center
33.8in
Drawbar - Thickness
0.6in
Front-Top/Bottom Plate - Width
20.2in
Front-Top/Bottom Plate - Thickness
2.0in
Front-Side Plates - Width
16.3in
Front-Side Plates - Thickness
1.0in
Front Axle - Wheel Lean, Left/Right
18°
Drawbar - Width
8.9in
Circle - Diameter
103.6in
Circle - Blade Beam Thickness
6.3in
Drawbar - Height
8.5in
Front Axle - Height to Center
32.2in
Front Axle - Total Oscillation per Side
32°
Height - Front Axle Center
33.8in
Drawbar - Thickness
0.6in
Front-Top/Bottom Plate - Width
20.2in
Front-Top/Bottom Plate - Thickness
2in
Front-Side Plates - Width
16.3in
Front-Side Plates - Thickness
1in
Front Axle - Wheel Lean - Left/Right
18°

Ripper

Shank Holder Spacing - Minimum
23.4in
Shank Holder Spacing - Maximum
23.8in
Ripping Depth - Maximum
17.9in
Ripper Shank Holders
7
Penetration Force
29985lb
Pry-Out Force
41052lb
Shank Holder Spacing - Minimum
23.4in
Shank Holder Spacing - Maximum
23.8in

Operating Specifications

Top Speed - Forward
27mile/h
Top Speed - Reverse
25.8mile/h
Turning Radius - Outside Front Tires
40.68ft
Steering Range - Left/Right
47.5°
Articulation Angle - Left/Right
25°
Forward - 1F
2.3mile/h
Forward - 2F
3.6mile/h
Forward - 3F
6mile/h
Forward - 4F
9.4mile/h
Forward - 5F
17.4mile/h
Forward - 6F
27mile/h
Reverse - 1R
3.4mile/h
Reverse - 2R
9mile/h
Reverse - 3R
25.8mile/h

Blade Range

Circle Centershift - Right
210.2in
Circle Centershift - Left
209.9in
Moldboard Sideshift - Right
193in
Moldboard Sideshift - Left
178.3in
Maximum Blade Position Angle
35°
Blade Tip Range - Forward
40°
Blade Tip Range - Backward
Maximum Shoulder Reach Outside of Tires - Right
127.1in
Maximum Shoulder Reach Outside of Tires - Left
126.9in
Maximum Lift Above Ground
25in
Maximum Depth of Cut
25.9in

Engine - U.S. EPA Tier 4 Interim Certified

Base Power (All Gears) - Net
533mm H2O
Base Power (All Gears) - Net - Metric
540mm H2O
Bore
5.7in
Derating Altitude
9655ft
Displacement
1104.5in³
Engine Model
Cat® C18 ACERT™
Maximum Torque - Net
2001lb/ft
Number of Cylinders
6
Speed at Rated Power
1800r/min
Standard - Ambient Capability
122°F
Standard - Fan Speed - Maximum
1325r/min
Standard - Fan Speed - Minimum
60r/min
Stroke
7.2in

Standards

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

Engine - Tier 2

Base Power (All Gears) - Net
533mm H2O
Base Power (All Gears) - Net - Metric
540mm H2O
Bore
5.7in
Derating Altitude
10000ft
Displacement
1104.5in³
Engine Model
Cat C18 ACERT
Maximum Torque - Net
2001lb/ft
Number of Cylinders
6
Speed at Rated Power
1800r/min
Standard - Ambient Capability
122°F
Standard - Fan Speed - Maximum
1325r/min
Standard - Fan Speed - Minimum
60r/min
Stroke
7.2in
Torque Rise - Net
30%

Tandems

Height
41in
Width
13.9in
Sidewall Thickness - Inner
1in
Sidewall Thickness - Outer
1.2in
Drive Chain Pitch
3in
Wheel Axle Spacing
90in
Tandem Oscillation - Front Up
20°
Tandem Oscillation - Front Down
20°

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. No
    • 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

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