120M2/120M2 AWD Motor Grader
At a Glance
Base Power (1st Gear) - Net
145 hp
|
Operating Weight - Typically Equipped
39892 lb
|
Blade Width
12 ft
|
Engine Model
Cat® C7.1 ACERT™
|
Request a Demo
Machine Comparison
Overview
The M Series 2 continues the legacy of quality already established by Cat Motor Graders. The extensive validation program, combined with improvements to the manufacturing process, allows Caterpillar to further enhance our quality. The end result of this development process is a motor grader line with breakthrough technologies, tested in the field and built around real applications and real customer needs. M Series 2 Motor Graders meet Tier 4 Interim/Stage IIIB equivalent emission standards.
Engine
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Base Power (1st Gear) - Net |
145hp |
Engine Model |
Cat® C7.1 ACERT™ |
Bore |
4.13in |
Stroke |
5.31in |
Speed at Rated Power |
2,100 rpm |
Base Power (1st Gear) - Net - Metric |
147hp |
VHP Plus - Gear 1F, Net |
145hp |
VHP Plus - Gear 2F, Net |
153hp |
VHP Plus - Gear 3F, Net |
161hp |
VHP Plus - Gear 4F, Net |
169hp |
VHP Plus - Gear 5F, Net |
174hp |
VHP Plus - Gear 6F, Net |
179hp |
VHP Plus - Gear 7F, Net |
184hp |
VHP Plus - Gear 8F, Net |
189hp |
Base Power (All Gears) - Net |
145hp |
Emissions |
Tier 4 Interim/Stage IIIB equivalent |
High Ambient - Fan Speed - Standard |
1,000 rpm |
Maximum Torque |
693lb/ft |
Standard Capability |
109°F |
Torque Rise |
45% |
VHP Plus Range - Net |
108-141 kW (145-189 hp) |
VHP Plus Range - Net - Metric |
108-141 kW (147-192 hp) |
Displacement |
428in³ |
Number of Cylinders |
6 |
Derating Altitude |
10000ft |
High Ambient - Fan Speed - Maximum |
1,350 rpm |
High Ambient - Fan Speed - Minimum |
500 rpm |
High - Ambient Capability |
122°F |
Weights
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Operating Weight - Typically Equipped |
39892lb |
Gross Vehicle Weight - Maximum - Rear Axle |
33312lb |
Gross Vehicle Weight - Base - Front Axle |
8651lb |
Gross Vehicle Weight - Base - Rear Axle |
26374lb |
Gross Vehicle Weight - Maximum - Total |
48987lb |
Gross Vehicle Weight - Base - Total |
35025lb |
Gross Vehicle Weight - Maximum - Front Axle |
15675lb |
Operating Weight - Typically Equipped - Front Axle |
10563lb |
Operating Weight - Typically Equipped - Rear Axle |
29329lb |
Operating Weight - Typically Equipped - Total |
39892lb |
Moldboard
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Blade Width |
12ft |
Moldboard - Height |
24in |
Moldboard - Thickness |
0.87in |
Arc Radius |
16.3in |
Throat Clearance |
4.9in |
Cutting Edge Width |
6in |
Cutting Edge Thickness |
0.6in |
End Bit - Width |
6in |
End Bit - Thickness |
0.6in |
Blade Pull - Base GVW |
23737lb |
Blade Pull - Maximum GVW |
29980lb |
Blade Down Pressure - Base GVW |
15030lb |
Blade Down Pressure - Maximum GVW |
27235lb |
Operating Specifications
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Top Speed - Forward |
28.4mile/h |
Top Speed - Reverse |
22.4mile/h |
Turning Radius - Outside Front Tires |
24.3ft |
Steering Range - Left/Right |
47.5° |
Articulation Angle - Left/Right |
20° |
Forward - 1st |
2.5mile/h |
Forward - 2nd |
3.4mile/h |
Forward - 3rd |
4.9mile/h |
Forward - 4th |
6.7mile/h |
Forward - 5th |
10.4mile/h |
Forward - 6th |
14.2mile/h |
Forward - 7th |
19.5mile/h |
Forward - 8th |
28.4mile/h |
Reverse - 1st |
1.9mile/h |
Reverse - 2nd |
3.9mile/h |
Reverse - 3rd |
5.3mile/h |
Reverse - 4th |
8.2mile/h |
Reverse - 5th |
15.4mile/h |
Reverse - 6th |
22.4mile/h |
Service Refill
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Fuel Capacity |
100gal (US) |
Cooling System |
12.9gal (US) |
Hydraulic System - Tank |
16.9gal (US) |
Engine Oil |
7.9gal (US) |
Transmission - Differential - Final Drives |
16.5gal (US) |
Tandem Housing - Each |
15.6gal (US) |
Front Wheel Spindle Bearing Housing |
0.13gal (US) |
Circle Drive Housing |
1.8gal (US) |
Power Train
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Forward/Reverse Gears |
8 Forward/6 Reverse |
Transmission |
Direct Drive, Powershift |
Brakes - Service |
Multiple Oil Disc |
Brakes - Service - Surface Area |
3565in² |
Brakes - Parking |
Multiple Oil Disc |
Brakes - Secondary |
Dual Circuit |
Hydraulic System
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Circuit Type |
Parallel |
Pump Type |
Variable Piston |
Pump Output |
55.7gal/min |
Maximum System Pressure |
3500psi |
Reservoir Tank Capacity |
15.85gal (US) |
Standby Pressure |
609psi |
Frame
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Drawbar - Width |
3in |
Circle - Diameter |
60.2in |
Circle - Blade Beam Thickness |
1.4in |
Drawbar - Height |
6in |
Front Frame Structure - Height |
11in |
Front Frame Structure - Width |
8in |
Drawbar - Thickness |
0.4in |
Front-Top/Bottom Plate - Width |
10in |
Front-Top/Bottom Plate - Thickness |
0.87in |
Front Axle - Height to Center |
22.5in |
Front Axle - Wheel Lean - Left/Right |
18° |
Front Axle - Total Oscillation per Side |
32° |
Blade Range
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Circle Centershift - Right |
25.8in |
Circle Centershift - Left |
25.8in |
Moldboard Sideshift - Right |
26in |
Moldboard Sideshift - Left |
20.1in |
Maximum Blade Position Angle |
90° |
Blade Tip Range - Forward |
40° |
Blade Tip Range - Backward |
5° |
Maximum Lift Above Ground |
16.8in |
Maximum Depth of Cut |
28.3in |
Maximum Shoulder Reach Outside of Tires - Right |
75in |
Maximum Shoulder Reach Outside of Tires - Left |
68.6in |
Standards
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Brakes |
ISO 3450 |
ROPS/FOPS |
ISO 3471/ISO 3449 |
Sound |
ISO 6394; ISO 6395 |
Steering |
ISO 5010 |
Scarifier
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Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing |
4.6in |
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders |
5/11 |
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum |
18.4in |
Front, V-Type, 5 or 11 Tooth - Working Width |
40.6in |
Front, V-Type - Working Width |
47.4in |
Mid, Straight - Ripping Depth, Maximum |
12.5in |
Mid, Straight - Scarifier Shank Holder Spacing |
4.4in |
Mid, Straight - Scarifier Shank Holders |
17 |
Mid, Straight - Scarifying Depth, Maximum |
16.8in |
Mid, Straight - Working Width |
71in |
Mid, V-Type - Scarifier Shank Holders |
11 |
Mid, V-Type - Scarifier Shank Holder Spacing |
4.6in |
Mid, V-Type - Scarifying Depth, Maximum |
11.5in |
Mid, V-Type - Working Width |
46.6in |
Ripper
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Ripping Depth - Maximum |
8.9in |
Ripper Shank Holder Spacing |
21in |
Ripper Shank Holders |
5 |
Penetration Force |
17692lb |
Pry-Out Force |
5660lb |
Machine Length Increase, Beam Raised |
41.5in |
Emissions
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Note |
U.S. EPA Tier 4 Interim/EU Stage IIIB equivalent |
Tires
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17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Height to Dimensions 1, 2, 8, 9, 10 |
-0.8in |
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6 |
-0.6in |
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11 |
4.1in |
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13 |
7.6in |
Note |
Dimension changes may vary by brand/type and inflation of tires. |
Air Conditioning System
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Air Conditioning |
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.88 metric tonnes. |
Tandems
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Height |
19.8in |
Width |
6.8in |
Sidewall Thickness - Inner |
0.5in |
Sidewall Thickness - Outer |
0.6in |
Drive Chain Pitch |
1.8in |
Wheel Axle Spacing |
59.5in |
Tandem Oscillation - Front Up |
15° |
Tandem Oscillation - Front Down |
25° |
Standard Equipment:
Power Train
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Air cleaner, dual stage, dry type, diesel, with automatic engine derate and automatic dust ejector, service indicator through Cat Messenger
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Air-to-air after cooler (ATAAC)
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Belt, serpentine, automatic tensioner
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Brakes, oil disc, four-wheel, hydraulic
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Demand fan, hydraulic, swing-out
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Differential lock/unlock, automatic
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Drain, engine oil, ecology
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Electronic over speed protection
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Engine, C7.1 with ACERT Technology, Tier 4 Interim and Stage IIIB equivalent emission standards
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Fuel tank, 378 L (100 gal), ground level access and sediment drain
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Parking brake – multi-disc, sealed, oil-cooled
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Priming pump, fuel
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Rear axle, modular
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Sediment drain, fuel tank
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Tandem drive
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Transmission, 8F/6R, power shift, direct drive
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VHP Plus (Variable Horsepower)
Electrical
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Alarm, back up
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Alternator, 150 ampere, sealed
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Batteries, maintenance free, heavy duty, 1,125 CCA
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Breaker panel, ground accessible
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Cab harness and electrical hydraulic valves
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Electrical system, 24V
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Grade Control Ready – Cab harness, software, electrical hydraulic valves, bosses and brackets
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Lights, roof-mounted roading, reversing, LED stop and tail
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Product Link Ready
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Starter, electric
Operator Environment
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Accelerator
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Air conditioning with heater
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Arm and wrist rest, electronically adjustable
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Articulation, automatic Return-to-Center
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Ashtray and lighter
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Cat® Messenger operator information system
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Centershift pin indicator
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Coat hook
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Cup holder
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Display, digital speed and gear
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Doors, left and right side with wiper
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Gauge, machine level
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Gauge cluster (analog) – fuel, articulation, engine coolant temp, engine RPM, hydraulic oil temp, regen
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Hour meter, digital
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Joystick hydraulic controls right/left blade lift with float position, circle drive, blade sideshift and tip, centershift, front wheel lean, articulation and power steering
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Joystick, adjustable armrests
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Joystick gear selection
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Joystick hydraulic power steering
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Ladders, cab, left and right side
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Lights, night time cab
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Mirror, inside rearview, wide angle
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Power port, 12V
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Radio Ready, Entertainment
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ROPS cab, sound suppressed 70 dB(A)
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Seat, cloth-covered, comfort suspension
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Seat belt, retractable 76 mm (3 in)
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Storage area for cooler/lunchbox
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Throttle control, electronic
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Windows, laminated glass: – fixed front with intermittent wiper – side and rear (3)
Fluids
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Antifreeze
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Extended Life Coolant to –35° C (–30° F)
Tires, Rims And Wheels
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Partial allowance for tires on 254 × 607 mm (10 × 24 in) multi-piece rims is included in the base machine price and weight
Other Standard Equipment
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Accumulators, brake, dual certified
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Anti-glare paint
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Bumper, rear, integrated with hitch
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CD ROM Parts Book
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Clutch, circle drive slip
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Cutting edges: – 152 × 16 mm (6 × 5/8 in) – curved DH-2 steel – 19 mm (3/4 in) mounting bolts
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Doors (3), engine compartment, locking
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Drawbar – 6 shoes, replaceable wear strips
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Electrical hydraulic valves, hydraulic lines for base 8 functions
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Endbits: – 16 mm (5/8 in) DH-2 steel – 19 mm (3/4 in) mounting bolts
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Fluid check, ground level
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Frame, articulated, with safety lock
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Ground level engine shutdown
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Hammer (emergency exit)
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Horn, electric
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Hydraulic lines for base functions
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Lockout, hydraulic implement (for roading and servicing)
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Moldboard – 3658 × 610 × 22 mm (12 ft × 24 in × 7/8 in)
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Mounting, cab roof accessories
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Pump, hydraulic, high capacity, 98 cm³ (6 in³)
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Radiator, cleanout access (both sides with swing doors)
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Secondary steering
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Serviceability, LH side
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SOSSM ports: engine, hydraulic, transmission, coolant, fuel
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Tandem walkway/guards
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Tool box
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Tow hitch
Optional Equipment:
Electrical
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Alternator, 280 ampere
Batteries: extreme duty, 1,400 CCA
Converter, communication (CB)
Lights: Headlights, high
Lights: Headlights, low
Lights: Working lights, basic
Lights: Working lights, plus, LED
Lights: Warning: beacon or strobe
Lights: Mounting for warning light
Guards
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Fenders, front
Fenders, rear
Sound suppression (bottom)
Sound suppression (enclosure)
Transmission
Operator Environment
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Fan, defroster, rear window
Mirrors, outside: heated 24V
Mirrors, outside: mounted
Precleaner, HVAC
Radio ready, AM/FM
Seat, air suspension, cloth
Shade, sun
Wiper/washer, rear
Power Train
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Fuel tank, fast fill
Oil, hydraulic, biodegradable synthetic
Precleaner, snow
Starter, heavy duty, 1,000 Amp
Transmission, autoshift
Other Attachments
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AccuGrade ARO
Accumulators, blade lift
Camera, rearview
Cat Product Link 321SR
Drain, ecology, engine Wiggins
Fenders, rear
Heater, engine coolant: 120V
Heater, engine coolant: 240V
Hydraulic arrangements with one or more additional hydraulic valves are available for rear ripper, dozer, snow plow and snow wing.
Snow wing mounting, frame ready
Sound suppression
Starting aid, ether
Work Tools/g.e.t.
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Blade extension, left hand, 610 mm (2 ft)
Cutting edges, curved
Endbits, overlay
Front lift group, mounting
Front lift group, mechanical
Grader bit, narrow and super penetration
Mid-Mount Scarifier, Package
Mid-Mount Scarifier, Mounting
Moldboard: 4267 mm × 610 mm × 22 mm (14 ft × 24 in × 7/8 in)
Moldboard: 4267 mm × 686 mm × 25 mm (14 ft × 27 in × 1 in)
Push plate, counterweight
Ripper, mounting
Ripper, rear
Ripper tooth
Scarifier, front
Snow Arrangement
Snow Wing Ready Package
Machine Arrangements
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Canadian Arrangement
European Arrangement
European Roading Arrangement