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Piscataway Campus 732-885-5555
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982M Certified Machine RebuildPaperless Invoicing

18 Motor Grader
Exterior View
Interior View

18 Motor Grader

Base Power (1st Gear) – Net304 hp
Engine ModelCat® C13
Bore5.1 in
Stroke6.2 in
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Learn more about our 18 Motor Grader

The 18 builds on the success of the 16 and offers additional power, a wider moldboard and the possibility to use a more aggressive blade angle, making it an ideal fit for mining operations that run 172-tonne (190-ton) or smaller trucks. The 18 enhances operational efficiencies by increasing coverage and reducing the number of passes required to complete the width of the road in certain applications. The 18 includes features that provide large benefits on operating cost reduction, uptime, performance improvements, and enhanced safety.

Base Power (1st Gear) - Net
304hp
Engine Model
® C13" data-metric=""> Cat® C13
Bore
5.1in
Stroke
6.2in
Speed at Rated Power
2,000 rpm
Optimized VHP Range - Net
227-266 kW (304-357 hp)
Standard - Ambient Capability
122°F
Base Power (1st Gear) - Net - Metric
309hp
VHP Range - Net
227-266 kW (304-357 hp)
Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent
1270lb/ft
Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent
12176ft
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent
12973ft
Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent
1270lb/ft
Standard - Fan Speed - Minimum
550 rpm
Emissions (1)
U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final)
Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)
40%
Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)
1306lb/ft
Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)
12500ft
Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent
38%
Standard - Fan Speed - Maximum
1,450 rpm
Emissions (2)
Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards
Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent
38%
VHP Range - Net - Metric
227-266 kW (309-362 hp)
Emissions (3)
Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards
Displacement
763in³
Number of Cylinders
6
Operating Weight - Typically Equipped
74324lb
Blade Width
18ft
Arc Radius
16.3in
Throat Clearance
5in
Down Force - Maximum GVW
43861lb
Blade Pull* - Base GVW
47216lb
Blade Pull* - Maximum GVW
52878lb
End Bit - Width
6in
Down Force - Base GVW
34008lb
Cutting Edge Thickness
1.4in
Thickness
1in
Width
18ft
Cutting Edge Width
10in
End Bit - Thickness
0.75in
Height
31in
Note
*Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight.
Fuel Capacity
131gal (US)
Cooling System
18.5gal (US)
Hydraulic System - Tank
18.5gal (US)
Hydraulic System - Total
38.6gal (US)
DEF Tank
4.2gal (US)
Engine Oil
9.5gal (US)
Transmission - Differential - Final Drives
26gal (US)
Tandem Housing - Each
34gal (US)
Front Wheel Spindle Bearing Housing
0.24gal (US)
Circle Drive Housing
2.6gal (US)
Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
Direct drive, power shift, countershaft
Brakes - Parking
Spring applied, hydraulically released
Brakes - Dynamic Brake Torque per Wheel
27069.27lb/ft
Brakes - Service
Oil-actuated, oil disc
Brakes - Secondary
Oil-actuated, oil-disc
Circuit Type
Electro-hydraulic load sensing, closed center
Pump Type
Variable piston
Maximum System Pressure
3590psi
Standby Pressure
856psi
Pump Output*
74gpm
Note
*Pump output measured at 2,150 rpm.
Maximum Blade Position Angle
65°
Maximum Lift Above Ground
15.7in
Maximum Depth of Cut
18.5in
Maximum Shoulder Reach Outside of Tires - Right
103in
Circle Centershift - Right
22in
Maximum Shoulder Reach Outside of Tires - Left
103in
Moldboard Sideshift - Right
31.1in
Blade Tip Range - Backward
5°
Moldboard Sideshift - Left
29.1in
Circle Centershift - Left
27.2in
Blade Tip Range - Forward
40°
Reverse - 3rd
6mile/h
Turning Radius - Outside Front Tires
30.5ft
Forward - 4th
7.6mile/h
Top Speed - Reverse
25.3mile/h
Forward - 7th
22mile/h
Articulation Angle - Left/Right
20°
Reverse - 1st
2.2mile/h
Forward - 3rd
5.5mile/h
Reverse - 4th
9.3mile/h
Forward - 1st
2.8mile/h
Top Speed - Forward
32.1mile/h
Reverse - 6th
25.3mile/h
Steering Range - Left/Right
47.5°
Reverse - 2nd
4.1mile/h
Reverse - 5th
17.4mile/h
Note
Calculated with no slip and 23.5R25 L-3 tires.
Forward - 6th
16mile/h
Forward - 2nd
3.8mile/h
Forward - 8th
32.1mile/h
Forward - 5th
11.8mile/h
Front Frame Structure - Width
14in
Front Axle - Height to Center
26.4in
Circle - Diameter
71.7in
Front Frame Structure - Thickness
0.6in
Front Frame Structure - Height
18.1in
Circle - Blade Beam Thickness
2in
Drawbar - Width
3in
Front Axle - Wheel Lean
18° Left/17° Right
Front Axle - Total Oscillation per Side
35°
Drawbar - Height
8in
Sidewall Thickness - Outer
0.9in
Sidewall Thickness - Inner
0.9in
Tandem Oscillation - Front Up
15°
Tandem Oscillation - Front Down
25°
Height
25.5in
Width
9.3in
Drive Chain Pitch
2.5in
Wheel Axle Spacing
72.5in
Shank Holder Spacing - Minimum
17.5in
Ripping Depth - Maximum
17.8in
Shank Holder Spacing - Maximum
20in
Ripper Shank Holders
7
Penetration Force
30311lb
Pry-Out Force
43700lb
Machine Length Increase, Beam Raised
63.4in
Gross Vehicle Weight - Typically Equipped - Rear Axle
53830lb
Gross Vehicle Weight - Base** - Total
72298lb
Gross Vehicle Weight - Maximum Tested - Rear Axle
58753lb
Gross Vehicle Weight - Maximum Tested - Front Axle
26125lb
Gross Vehicle Weight - Typically Equipped - Front Axle
20494lb
Gross Vehicle Weight - Base** - Front Axle
19837lb
Gross Vehicle Weight - Maximum Tested - Total
84877lb
Gross Vehicle Weight - Typically Equipped - Total
74324lb
Gross Vehicle Weight - Base** - Rear Axle
52461lb
Note (2)
**Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab.
Note (1)
*No Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final) emission engine: subtract 150 kg (331 lb) from rear axle wt. & total wt.
Height - Top of Cylinders
122.6in
Width - Outside Rear Tires
134.3in
Height - Exhaust Stack
141.1in
Length - Between Tandem Axles
72.5in
Length - Front Axle to Mid Tandem
290in
Width - Tire Center Lines
106.4in
Length - Front Axle to Moldboard
120.7in
Length - Counterweight to Ripper
474.4in
Height - Front Axle Center
29.9in
Width - Outside Front Tires
134.3in
Length - Front Tire to Rear of Machine - Including Tow Hitch
417in
Height - Top of Cab
147.5in
Ground Clearance - Rear Axle
16.7in
Sound
ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008
ROPS/FOPS
ISO 3471: 2008/ISO 3449: 2005
Brakes
ISO 3450: 2011
Steering
ISO 5010: 2007
Gear - Forward 1st
309hp
Gear - Forward 2nd
309hp
Gear - Reverse 2nd
309hp
Gear - Forward 4th
325hp
Gear - Forward 6th
341hp
Gear - Forward 5th
332hp
Gear - Forward 8th
362hp
Gear - Reverse 1st
309hp
Gear - Forward 3rd
315hp
Gear - Forward 7th
347hp
Gear - Reverse 3rd-6th
315hp
Wheel Group - 19.5×25 MP (2)
Tires: 23.5R25 Bridgestone VKT 1 Star
Wheel Group - 19.5×25 MP (1)
Tires: 23.5R25 Bridgestone VKT 2 Star
Wheel Group - 19.5×25 MP (3)
Tires: 23.5R25 Bridgestone VJT 1 Star
Wheel Group - 19.5×25 MP (4)
Tires: 23.5R25 Michelin XHA 2 Star
Wheel Group - 19.5×25 MP (5)
Tires: 23.5R25 Michelin XLDD 2 Star L5
Gear - Forward 4th
321hp
Gear - Reverse 2nd
304hp
Gear - Forward 1st
304hp
Gear - Reverse 3rd-6th
311hp
Gear - Forward 3rd
311hp
Gear - Forward 5th
327hp
Gear - Forward 7th
342hp
Gear - Forward 2nd
304hp
Gear - Reverse 1st
304hp
Gear - Forward 6th
337hp
Gear - Forward 8th
357hp
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system con
Standard and optional equipment may vary. Consult your Cat dealer for details.
Adjustable electric arm rest
Adjustable wrist rest
Air conditioner with heater
Air horn
Articulation, automatic Return-to-Center
Centershift pin indicator
Coat hook
Cup holder
Display, digital speed and gear
Doors, left and right side with wiper
Gauges (analog) inside the cab (includes fuel, articulation, engine coolant temp, engine RPM, and hydraulic oil temp)
Gauges, machine level
Information display touch screen
Joystick gear selection
Joystick hydraulic controls for implements, steering, transmission
Ladders, cab, left and right side
Lights, left and right side lights
Lights, night time cab
Meter, hour, digital
Mirror, inside rearview, wide angle
Power port, 12V
Radio ready, entertainment
ROPS cab, sound suppressed, less than 73 dB(A) ISO 6394 (70% fan speed)
Seat, cloth-covered, comfort air suspension
Storage compartments
Throttle control, electronic
Air cleaner, dual stage dry type radial seal with service indicator through messenger and automatic dust ejector
Air-to-air after cooler (ATAAC)
Auto Diff Lock
Belt, serpentine, automatic tensioner
Brake wear indication
Brakes, oil disc, four-wheel, hydraulic
Consistent power to ground
Critically Low Fluid Level Monitoring System
Differential, lock/unlock
Drain, engine oil, high speed
Electronic over speed protection
Engine ECO Mode: Tier 4 Final/Stage V/Japan 2014 (Tier 4 Final) and Tier 2/Stage II/Japan 2001 (Tier 2) equivalent emission standards
Engine, compression brake
Ether starting aid
Fuel tank, fast fill, ground level
Fuel-water separator
Hydraulic Demand Fan
Muffler, under hood (Tier 2/Stage II/Japan 2001 (Tier 2) equivalent and Tier 3/Stage IIIA/Japan 2006 (Tier 3) equivalent emission standards
OK-to-Start
Optimized VHP
Parking brake – multi disc, sealed, oil-cooled
Priming pump, fuel
Rear axle, modular
Sediment drain, fuel tank
Three variations of the C13 engine. One meets U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final) emission standards and is required for sale in higher regulated countries. The other options are capable of meeting Tier 2/Stage II/Japan 2001 (Tier 2) equivalent or Tier 3/Stage IIIA/Japan 2006 (Tier 3) equivalent emission standards.
Transmission, 8F/6R, power shift
VIMS no telematics
Front axle cylinder guard
Transmission guard
Alternator, 150 ampere, sealed
Batteries, maintenance free, heavy duty, 1,400 CCA
Breaker panel
Electrical system, 24V
Lights: brake, reversing, roof-mounted roading, stop and tail (LED), work front
Product Link
Starter, electric, heavy duty
Alarm, back up
Ground level engine shutdown
Hammer (emergency exit)
Horn, electric
Lockout, hydraulic implement for roading
Operator not present monitoring system
Paint, glare reducing – top of front frame, rear enclosure and ripper cylinders
Rearview camera
Seat belt indicator
Seat belt, retractable 76 mm (3 in)
Secondary steering
Windows, laminated glass: – Fixed front with intermittent wiper – Door with intermittent wipers (two)
Windows, tempered: – Left and right side wipers – Rear with intermittent wiper
Light, LED, warning strobe
Lights front LED
Lights, front headlights high
Lights, front headlights low
Mounting, for warning light
Service lights
Working lights Halogen
Working lights LED
3-bolt blade bracket
AccuGrade ARO
Accumulators, blade lift
Brake accumulators, dual certified
Cat Grade Control Cross Slope
CD ROM Parts Book
Clutch, circle drive slip
Cutting edges, flat DH-2 steel: – 254 mm × 35 mm (10 in × 1.4 in) – 19 mm (3⁄4 in) mounting bolts
Doors (four), engine compartment, (two left, two right hand) locking
Doors, two service, left and right side
Drawbar – six shoe with replaceable wear strips
End bits, 16 mm (5⁄8 in) DH-2 steel, 19 mm (3⁄4 in) mounting bolts
Fast fill fuel 567.8 L/min (150 gpm)
Fluid check
Frame, articulated, with safety lock
Hydraulics, load-sensing
Metallic fuel tank, 496 L (131 gal)
Metallic DCM wear strips
Modular cooling package
Moldboard: – 5.5 m × 787 mm × 25 mm (18 ft × 31 in × 1 in) – Hydraulic side shift and tip
Radiator, two cleanout access doors
Rear bumper
Rear tandem access steps and hand bars
S·O·S ports: engine, hydraulic, transmission, coolant
Tandem walkway
Top adjust circle wear strips
Fire suppression ready
Ripper, rear
Push block, counterweight
5.5 m (18 ft) blade with flat cutting edge 254 mm × 35 mm (10 in × 13⁄8 in)
A partial allowance for tires on 597 mm × 609.6 mm (23.5 in × 24 in) multi-piece rims is included in the base machine price and weight
Extended Life Coolant to –35° C (–31° F)
Standard and optional equipment may vary. Consult your Cat dealer for details.
Comfort package
Heated door
Mirrors high visibility
Mirrors, outside heated 24V
Mirrors, outside mounted
Seat heated
Seat heated/ventilated
Windows cleaning platform and ladders left-right hand side
Transmission, autoshift
Debris guard
Rear fenders
Sound suppression, engine enclosure and transmission
Additional monitor for rearview camera
Enhanced access platform
Machine Security System Key
Service access platform
Auto-lube, Centro-matic
Auto-lube, ripper enhancement
Control, blade, variable float
Heater, engine coolant, 120V
Heater, engine coolant, 240V
Hydraulic arrangements with additional hydraulic valves Base+1
Hydraulic arrangements with additional hydraulic valves Base+5
Product Link Elite dual
Rim, 495.3 mm × 635 mm (19.5 in × 25 in) MP (spare)
Weather, Cold Plus package
5.5 m (18 ft) blade with curved cutting edge 203 mm × 25 mm (8 in × 1 in)
Tooth, ripper
Coolant, –51° C (–60° F)
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