120M2 AWD Motor Graders

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120M2 AWD Motor Graders

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.
  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • POWER TRAIN
    • Air cleaner, dual stage, dry type, diesel, with automatic engine derate and automatic dust ejector, service indicator through Cat Messenger
    • Air-to-air after cooler (ATAAC)
    • Belt, serpentine, automatic tensioner
    • Brakes, oil disc, four-wheel, hydraulic
    • Demand fan, hydraulic, swing-out
    • Differential lock/unlock, automatic
    • Drain, engine oil, ecology
    • Electronic over speed protection
    • Engine, C7.1 with ACERT Technology, Tier 4 Interim and Stage IIIB equivalent emission standards
    • Fuel tank, 378 L (100 gal), ground level access and sediment drain
    • Parking brake – multi-disc, sealed, oil-cooled
    • Priming pump, fuel
    • Rear axle, modular
    • Sediment drain, fuel tank
    • Tandem drive
    • Transmission, 8F/6R, power shift, direct drive
    • VHP Plus (Variable Horsepower)
  • ELECTRICAL
    • Alarm, back up
    • Alternator, 150 ampere, sealed
    • Batteries, maintenance free, heavy duty, 1,125 CCA
    • Breaker panel, ground accessible
    • Cab harness and electrical hydraulic valves
    • Electrical system, 24V
    • Grade Control Ready – Cab harness, software, electrical hydraulic valves, bosses and brackets
    • Lights, roof-mounted roading, reversing, LED stop and tail
    • Product Link Ready
    • Starter, electric
  • OPERATOR ENVIRONMENT
    • Accelerator
    • Air conditioning with heater
    • Arm and wrist rest, electronically adjustable
    • Articulation, automatic Return-to-Center
    • Ashtray and lighter
    • Cat® Messenger operator information system
    • Centershift pin indicator
    • Coat hook
    • Cup holder
    • Display, digital speed and gear
    • Doors, left and right side with wiper
    • Gauge, machine level
    • Gauge cluster (analog) – fuel, articulation, engine coolant temp, engine RPM, hydraulic oil temp, regen
    • Hour meter, digital
    • Joystick hydraulic controls right/left blade lift with float position, circle drive, blade sideshift and tip, centershift, front wheel lean, articulation and power steering
    • Joystick, adjustable armrests
    • Joystick gear selection
    • Joystick hydraulic power steering
    • Ladders, cab, left and right side
    • Lights, night time cab
    • Mirror, inside rearview, wide angle
    • Power port, 12V
    • Radio Ready, Entertainment
    • ROPS cab, sound suppressed 70 dB(A)
    • Seat, cloth-covered, comfort suspension
    • Seat belt, retractable 76 mm (3 in)
    • Storage area for cooler/lunchbox
    • Throttle control, electronic
    • Windows, laminated glass: – fixed front with intermittent wiper – side and rear (3)
  • FLUIDS
    • Antifreeze
    • Extended Life Coolant to –35° C (–30° F)
  • TIRES, RIMS AND WHEELS
    • 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
    • Accumulators, brake, dual certified
    • Anti-glare paint
    • Bumper, rear, integrated with hitch
    • CD ROM Parts Book
    • Clutch, circle drive slip
    • Cutting edges: – 152 × 16 mm (6 × 5/8 in) – curved DH-2 steel – 19 mm (3/4 in) mounting bolts
    • Doors (3), engine compartment, locking
    • Drawbar – 6 shoes, replaceable wear strips
    • Electrical hydraulic valves, hydraulic lines for base 8 functions
    • Endbits: – 16 mm (5/8 in) DH-2 steel – 19 mm (3/4 in) mounting bolts
    • Fluid check, ground level
    • Frame, articulated, with safety lock
    • Ground level engine shutdown
    • Hammer (emergency exit)
    • Horn, electric
    • Hydraulic lines for base functions
    • Lockout, hydraulic implement (for roading and servicing)
    • Moldboard – 3658 × 610 × 22 mm (12 ft × 24 in × 7/8 in)
    • Mounting, cab roof accessories
    • Pump, hydraulic, high capacity, 98 cm³ (6 in³)
    • Radiator, cleanout access (both sides with swing doors)
    • Secondary steering
    • Serviceability, LH side
    • S•O•SSM ports: engine, hydraulic, transmission, coolant, fuel
    • Tandem walkway/guards
    • Tool box
    • Tow hitch

Optional Equipment

  • ELECTRICAL
    • 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
    • Fenders, front
    • Fenders, rear
    • Sound suppression (bottom)
    • Sound suppression (enclosure)
    • Transmission
  • OPERATOR ENVIRONMENT
    • 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
    • All Wheel Drive
    • Fuel tank, fast fill
    • Oil, hydraulic, biodegradable synthetic
    • Precleaner, snow
    • Starter, heavy duty, 1,000 Amp
    • Transmission, autoshift
  • OTHER ATTACHMENTS
    • AccuGrade ARO
    • Accumulators, blade lift
    • Camera, rearview
    • Cat Product Link 321SR
    • Drain, ecology, engine Wiggins
    • Fenders, front, AWD
    • 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.
    • 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
    • Canadian Arrangement
    • European Arrangement
    • European Roading Arrangement

Specs

Overview

Long Name:
120M2 AWD Motor Grader
Name:
120M2 AWD
Brand:
Caterpillar
Status:
Noncurrent

Engine

Base Power (1st Gear) - Net:
145 HP / 108 kW
Engine Model:
Cat® C7.1 ACERT™
Bore:
4.13 in / 105 mm
Stroke:
5.31 in / 135 mm
Speed at Rated Power:
2,100 rpm
Base Power (All Gears) - Net:
145 HP / 108 kW
VHP Plus - Gear 8F, Net:
189 HP / 141 kW
VHP Plus - Gear 6F, Net:
179 HP / 134 kW
High Ambient - Fan Speed - Standard:
1,000 rpm
AWD Range - Net - Metric:
114-156 kW (155-212 hp)
VHP Plus - Gear 3F, Net:
161 HP / 120 kW
VHP Plus Range - Net:
108-141 kW (145-189 hp)
VHP Plus - Gear 1F, Net:
145 HP / 108 kW
Maximum Torque:
693 lb/ft / 939 N·m
Emissions:
Tier 4 Interim/Stage IIIB equivalent
Base Power (1st Gear) - Net - Metric:
147 HP / 108 kW
VHP Plus - Gear 5F, Net:
174 HP / 130 kW
VHP Plus - Gear 2F, Net:
153 HP / 114 kW
Torque Rise:
45%
Standard Capability:
109 °F / 43 °C
VHP Plus - Gear 4F, Net:
169 HP / 126 kW
AWD Range - Net:
114-156 kW (153-209 hp)
VHP Plus - Gear 7F, Net:
184 HP / 137 kW
VHP Plus Range - Net - Metric:
108-141 kW (147-192 hp)
Displacement:
428 in³ / 7.01 l
Number of Cylinders:
6
Derating Altitude:
10000 ft / 3048 m
High Ambient - Fan Speed - Maximum:
1,350 rpm
High Ambient - Fan Speed - Minimum:
500 rpm
High - Ambient Capability:
122 °F / 50 °C

Power Train

Forward/Reverse Gears:
8 Forward/6 Reverse
Transmission:
Direct Drive, Powershift
Brakes - Service:
Multiple Oil Disc
Brakes - Service - Surface Area:
3565 in² / 23000 cm²
Brakes - Parking:
Multiple Oil Disc
Brakes - Secondary:
Dual Circuit

Hydraulic System

Circuit Type:
Parallel
Pump Type:
Variable Piston
Pump Output:
55.7 gal/min / 210 l/min
Maximum System Pressure:
3500 psi / 24150 kPa
Reservoir Tank Capacity:
15.85 gal (US) / 60 l
Standby Pressure:
609 psi / 4200 kPa

Operating Specifications

Top Speed - Forward:
28.4 mile/h / 45.7 km/h
Top Speed - Reverse:
22.4 mile/h / 36.1 km/h
Turning Radius - Outside Front Tires:
24.3 ft / 7.4 m
Steering Range - Left/Right:
47.5°
Articulation Angle - Left/Right:
20°
Forward - 1st:
2.5 mile/h / 4 km/h
Forward - 2nd:
3.4 mile/h / 5.4 km/h
Forward - 3rd:
4.9 mile/h / 7.8 km/h
Forward - 4th:
6.7 mile/h / 10.8 km/h
Forward - 5th:
10.4 mile/h / 16.8 km/h
Forward - 6th:
14.2 mile/h / 22.8 km/h
Forward - 7th:
19.5 mile/h / 31.4 km/h
Forward - 8th:
28.4 mile/h / 45.7 km/h
Reverse - 1st:
1.9 mile/h / 3.1 km/h
Reverse - 2nd:
3.9 mile/h / 5.9 km/h
Reverse - 3rd:
5.3 mile/h / 8.5 km/h
Reverse - 4th:
8.2 mile/h / 13.2 km/h
Reverse - 5th:
15.4 mile/h / 24.8 km/h
Reverse - 6th:
22.4 mile/h / 36.1 km/h

Service Refill

Fuel Capacity:
100 gal (US) / 378 l
Cooling System:
12.9 gal (US) / 49 l
Hydraulic System - Tank:
16.9 gal (US) / 64 l
Engine Oil:
7.9 gal (US) / 30 l
Transmission - Differential - Final Drives:
16.5 gal (US) / 62.5 l
Tandem Housing - Each:
15.6 gal (US) / 59 l
Front Wheel Spindle Bearing Housing:
0.13 gal (US) / 0.5 l
Circle Drive Housing:
1.8 gal (US) / 7 l

Frame

Drawbar - Width:
3 in / 76.2 mm
Circle - Diameter:
60.2 in / 1530 mm
Circle - Blade Beam Thickness:
1.4 in / 35 mm
Drawbar - Height:
6 in / 152 mm
Front Frame Structure - Width:
8 in / 204 mm
Front Frame Structure - Height:
11 in / 280 mm
Drawbar - Thickness:
0.4 in / 9.5 mm
Front-Top/Bottom Plate - Width:
10 in / 255 mm
Front-Top/Bottom Plate - Thickness:
0.87 in / 22 mm
Front Axle - Height to Center:
22.5 in / 572 mm
Front Axle - Wheel Lean - Left/Right:
18°
Front Axle - Total Oscillation per Side:
32°

Tandems

Height:
19.8 in / 502 mm
Width:
6.8 in / 172 mm
Sidewall Thickness - Inner:
0.5 in / 14 mm
Sidewall Thickness - Outer:
0.6 in / 16 mm
Drive Chain Pitch:
1.8 in / 44.5 mm
Wheel Axle Spacing:
59.5 in / 1510 mm
Tandem Oscillation - Front Up:
15°
Tandem Oscillation - Front Down:
25°

Moldboard

Blade Width:
12 ft / 3.7 m
Moldboard - Height:
24 in / 610 mm
Moldboard - Thickness:
0.87 in / 22 mm
Arc Radius:
16.3 in / 413 mm
Throat Clearance:
4.9 in / 123.9 mm
Cutting Edge Width:
6 in / 152 mm
Cutting Edge Thickness:
0.6 in / 16 mm
End Bit - Width:
6 in / 152 mm
End Bit - Thickness:
0.6 in / 16 mm
Blade Pull - Base GVW:
23737 lb / 10767 kg
Blade Pull - Maximum GVW:
44088 lb / 19998 kg
Blade Down Pressure - Base GVW:
15030 lb / 6818 kg
Blade Down Pressure - Maximum GVW:
27235 lb / 12354 kg

Blade Range

Circle Centershift - Right:
25.8 in / 656 mm
Circle Centershift - Left:
25.8 in / 656 mm
Moldboard Sideshift - Right:
26 in / 660 mm
Moldboard Sideshift - Left:
20.1 in / 510 mm
Maximum Blade Position Angle:
90°
Blade Tip Range - Forward:
40°
Blade Tip Range - Backward:
Maximum Lift Above Ground:
16.8 in / 427 mm
Maximum Depth of Cut:
28.3 in / 720 mm
Maximum Shoulder Reach Outside of Tires - Left:
68.6 in / 1742 mm
Maximum Shoulder Reach Outside of Tires - Right:
75 in / 1905 mm

Ripper

Ripper Shank Holder Spacing:
21 in / 534 mm
Ripping Depth - Maximum:
8.9 in / 226.5 mm
Ripper Shank Holders:
5
Penetration Force:
17692 lb / 8024 kg
Pry-Out Force:
5660 lb / 2567 kg
Machine Length Increase, Beam Raised:
41.5 in / 1053 mm

Scarifier

Front, V-Type - Working Width:
47.4 in / 1205 mm
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum:
18.4 in / 467 mm
Mid, Straight - Working Width:
71 in / 1800 mm
Mid, V-Type - Working Width:
46.6 in / 1184 mm
Front, V-Type, 5 or 11 Tooth - Working Width:
40.6 in / 1031 mm
Mid, V-Type - Scarifier Shank Holders:
11
Mid, Straight - Scarifier Shank Holders:
17
Mid, Straight - Scarifier Shank Holder Spacing:
4.4 in / 111 mm
Mid, V-Type - Scarifying Depth, Maximum:
11.5 in / 292 mm
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders:
5/11
Mid, Straight - Ripping Depth, Maximum:
12.5 in / 317 mm
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing:
4.6 in / 116 mm
Mid, Straight - Scarifying Depth, Maximum:
16.8 in / 426 mm
Mid, V-Type - Scarifier Shank Holder Spacing:
4.6 in / 116 mm

Weights

Operating Weight - Typically Equipped:
41859 lb / 18987 kg
Gross Vehicle Weight - Maximum - Rear Axle:
33312 lb / 15110 kg
Gross Vehicle Weight - Base - Front Axle:
9777 lb / 4435 kg
Gross Vehicle Weight - Base - Rear Axle:
27438 lb / 12445 kg
Gross Vehicle Weight - Maximum - Total:
48987 lb / 22220 kg
Gross Vehicle Weight - Maximum - Front Axle:
15675 lb / 7110 kg
Operating Weight - Typically Equipped - Front Axle:
11614 lb / 5268 kg
Operating Weight - Typically Equipped - Rear Axle:
30244 lb / 13719 kg
Gross Vehicle Weight - Base - Total:
37214 lb / 16880 kg
Operating Weight - Typically Equipped - Total:
41859 lb / 18987 kg

Standards

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

Tires

17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13:
7.6 in / 192 mm
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Height to Dimensions 1, 2, 8, 9, 10:
-0.8 in / -20 mm
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11:
4.1 in / 103 mm
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6:
-0.6 in / -15 mm

Air Conditioning System

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.

Tires

Note:
Dimension changes may vary by brand/type and inflation of tires.

Emissions

Note:
U.S. EPA Tier 4 Interim/EU Stage IIIB equivalent