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Caterpillar 120M Motor Grader Dimensions & Specs

Picture of a Caterpillar 120M Motor Grader
Picture of a Caterpillar 120M Motor Grader
Picture of a Caterpillar 120M Motor Grader

Transport a Caterpillar 120M Motor Grader

Transporting a Caterpillar 120M Motor Grader is a process that involves multiple steps, each requiring careful attention and expertise. First, the Caterpillar 120M Motor Grader is prepared for transport, which may involve disassembling larger components and securing fragile parts.During the loading phase, special equipment like forklifts or cranes may be used

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Dimensions

Dimensions
AOverall Length
27.85 ft in
BWidth Over Tires
8.14 ft in
DWheelbase
19.4 ft in
ERear Ground Clearance
1.13 ft in
GTandem Axle Wheelbase
4.96 ft in
FFront Ground Clearance
1.87 ft in
HBlade Base
8.24 ft in
Height To Top Of Isomount Cab
10.75 ft in
Length - Between Tandem Axles
59.5 in
Length - Counterweight To Ripper
389.3 in
Length - Front Axle To Mid Tandem
232.8 in
Length - Front Axle To Moldboard
98.85 in
Length - Front Tire To Rear Of Machine
334.1 in
Height - Top Of Cylinders
113.7 in
Height - Top Of Cab
10.75 ft in
Height - Front Axle Center
22.5 in
Height - Exhaust Stack
112.4 in
Width - Outside Front Tires
97.7 in
Width - Outside Rear Tires
97.7 in
Width - Tire Center Lines
84.1 in
Ground Clearance - Rear Axle
13.6 in

Specifications

Ripper
Pry-Out Force
26303 lb
Ripping Depth - Maximum
17 in
Ripper Shank Holders
5
Penetration Force
17705 lb
Machine Length Increase, Beam Raised
39.2 in
Ripper Shank Holder Spacing
21 in
Engine
Number Of Cylinders
6
Engine Make
2236
Engine Model
C6.6 ACERT VHP
Frame
Front Frame Structure - Height
0.9 ft in
Front Frame Structure - Width
0.9 ft in
Front Frame Structure - Thickness
0.1 ft in
Engine
Power Measured @
2000 rpm
Max Power
138 hp
Net Power Gears 7-8
138 hp
Displacement
403 cu in
Bore
4.2 in
Stroke
5 in
Emissions
U.S. EPA Tier 3/EU Stage IIIA equivalent
Engine Model
Cat C6.6 ACERT
Note (1)
Maximum torque (VHP Plus) measured at 1,400 rpm.
Note (2)
Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture.
Note (3)
Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan running at minimum speed, air cleaner, muffler and alternator.
Note (4)
Power as declared per ISO 14396: Rated Speed = 2,000 rpm; VHP Plus = 175 kW (234 hp)
Note (5)
No engine derating required up to 3048 m (10,000 ft).
Derating Altitude
11500 ft in
Maximum Torque
690 lb ft
Base Power (1st Gear) - Net
138 hp
Speed At Rated Power
2,000 rpm
High - Ambient Capability
122 degrees
Base Power (1st Gear) - Net - Metric
140 hp
High Ambient - Fan Speed - Maximum
1,650 rpm
High Ambient - Fan Speed - Minimum
600 rpm
Vhp Plus Range - Net
103-136 kW (138-182 hp)
Vhp Plus Range - Net - Metric
103-136 kW (140-185 hp)
Frame
Circle - Diameter
60.2 in
Drawbar - Height
6 in
Front Axle - Height To Center
22.5 in
Circle - Blade Beam Thickness
1.4 in
Front Axle - Total Oscillation Per Side
32 degrees
Drawbar - Thickness
0.4 in
Drawbar - Width
3 in
Front Axle - Wheel Lean - Left/Right
18 degrees
Engine
Torque Rise - Vhp Plus
40%
Base Power (All Gears) - Net
138 hp
Standard - Fan Speed - Maximum
1,150 rpm
Standard - Fan Speed - Minimum
600 rpm
Standard - Ambient Capability
109 degrees
Vhp Range - Net
103-114 kW (138-153 hp)
Maximum Torque - Vhp Plus - Net
668 lb ft
Frame
Drawbar - Yoke Bar Thickness
0.8 in
Operational
Std Operation Weight - Front Axle
8233 lb
Std Operation Weight - Rear Axle
22836 lb
Hydraulic System Fluid Capacity
15.9 gal
Std Operation Weight - Total
31069 lb
Max Operation Weight - Front Axle
16312 lb
Max Operation Weight - Rear Axle
28378 lb
Max Operation Weight - Total
44690 lb
Fuel Capacity
90 gal
Cooling System Fluid Capacity
10.4 gal
Rear Diff/Final Drive Fluid Capacity
13.2 gal
Circle Gearbox Fluid Capacity
1.8 gal
Tandem Case Fluid Capacity (Each)
16.9 gal
Power Train
Brakes - Parking
Multiple oil disc
Brakes - Service
Multiple oil-disc
Transmission
Direct drive, power shift, countershaft
Forward/Reverse Gears
8 Fwd / 6 Rev
Brakes - Secondary
Dual circuit control system
Brakes - Service - Surface Area
3565 in2
Steering
Articulation Angle
20 degrees
Turning Radius
24.5 ft in
Transmission
Transmission Type
direct drive, power shift, countershaft
Number Of Gears - Forward
8
Number Of Gears - Reverse
6
Max Speed - Forward
27.7 mph
Max Speed - Reverse
23.5 mph
Front Axle
Wheel Lean
18 degrees
Oscillation - Total
32 degrees
Ground Clearance
1.9 ft in
Weights
Gross Vehicle Weight - Typically Equipped - Rear Axle
29343 lb
Gross Vehicle Weight - Typically Equipped - Front Axle
11221 lb
Gross Vehicle Weight - Typically Equipped - Total
40565 lb
Operating Weight - Typically Equipped
40565 lb
Gross Vehicle Weight - Base - Total
35783 lb
Gross Vehicle Weight - Maximum - Total
48601 lb
Gross Vehicle Weight - Base - Rear Axle
26479 lb
Gross Vehicle Weight - Base - Front Axle
9303 lb
Gross Vehicle Weight - Maximum - Front Axle
15077 lb
Gross Vehicle Weight - Maximum - Rear Axle
33523 lb
Hydraulic System
Standby Pressure
450 psi
Maximum System Pressure
3500 psi
Moldboard
Moldboard Width
12 ft in
Moldboard Height
24 in
Moldboard Thickness
0.9 in
Max Depth Of Cut
28.3 in
Side Shift Left
20.1 in
Side Shift Right
26 in
Blade Pull At Max Weight
40221 lb
Blade Down Pressure
28887.2 lb
Hydraulic System
Pump Type
Variable piston
Pump Flow
40 gal/min
Relief Valve Pressure
3500 psi
Circuit Type
Electro-hydraulic load sensing, closed center
Pump Output
40 gal/min
Moldboard
Blade Width
12 ft in
Arc Radius
16.3 in
Throat Clearance
5.2 in
Cutting Edge Width
6 in
Cutting Edge Thickness
0.6 in
End Bit - Width
6 in
End Bit - Thickness
0.6 in
Moldboard - Height
24 in
Moldboard - Thickness
0.9 in
Moldboard - Width
12 ft in
Blade Pull - Maximum Gvw
24218 lb
Blade Pull - Base Gvw
20350 lb
Blade Down Pressure - Base Gvw
16435 lb
Blade Down Pressure - Maximum Gvw
29125 lb
Circle
Diameter
60.2 in
Shift Left
25.8 in
Shift Right
25.8 in
Max Reach Outside Tires - Left
68.6 in
Max Reach Outside Tires - Right
75 in
Max Lift Above Ground
16.8 in
Blade Tip Angle - Front
40 degrees
Blade Tip Angle - Rear
5 degrees
Operating Specifications
Top Speed - Forward
27.7 mph
Top Speed - Reverse
23.5 mph
Turning Radius - Outside Front Tires
24.5 ft in
Steering Range - Left/Right
47.5 degrees
Articulation Angle - Left/Right
20 degrees
Forward - 8th
27.7 mph
Forward - 7th
19 mph
Forward - 6th
13.8 mph
Forward - 5th
10.2 mph
Forward - 4th
6.5 mph
Forward - 3rd
4.8 mph
Forward - 2nd
3.3 mph
Forward - 1st
2.4 mph
Reverse - 6th
23.5 mph
Reverse - 5th
16.1 mph
Reverse - 4th
8.6 mph
Reverse - 3rd
5.6 mph
Reverse - 2nd
3.8 mph
Reverse - 1st
2 mph
Standards
Brakes
ISO 3450:1996
Rops/Fops
ISO 3471:1992 / ISO 3449:1992
Sound
ISO 6394:1998 / ISO 6395:1988
Steering
ISO 5010:1992
Service Refill
Cooling System
8.7 gal
Engine Oil
3.7 gal
Hydraulic System - Tank
16.9 gal
Tandem Housing - Each
15.6 gal
Circle Drive Housing
1.8 gal
Front Wheel Spindle Bearing Housing
0.1 gal
Fuel Capacity
90 gal
Transmission - Differential - Final Drives
16.5 gal
Blade Range
Circle Centershift - Right
25.8 in
Circle Centershift - Left
25.8 in
Moldboard Sideshift - Right
26 in
Moldboard Sideshift - Left
20.1 in
Blade Tip Range - Forward
40 degrees
Blade Tip Range - Backward
5 degrees
Maximum Shoulder Reach Outside Of Tires - Right
75 in
Maximum Shoulder Reach Outside Of Tires - Left
68.6 in
Maximum Lift Above Ground
16.8 in
Maximum Depth Of Cut
28.3 in
Maximum Blade Position Angle
90 degrees
Scarifier
Rear - Scarifier Shank Holders
9
Mid, V-Type - Scarifier Shank Holders
11
Front, V-Type, 5 Or 11 Tooth - Working Width
47.4 in
Front, V-Type, 5 Or 11 Tooth - Scarifying Depth, Maximum
18.4 in
Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holders
5 / 11
Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holder Spacing
4.6 in
Mid, V-Type - Working Width
46.6 in
Mid, V-Type - Scarifying Depth, Maximum
11.5 in
Mid, V-Type - Scarifier Shank Holder Spacing
4.6 in
Rear - Working Width
91 in
Rear - Scarifying Depth, Maximum
10.5 in
Rear - Scarifier Shank Holder Spacing
10.5 in
Mid, Straight - Working Width
71 in
Mid, Straight - Scarifier Shank Holder Spacing
4.4 in
Mid, Straight - Scarifier Shank Holders
17
Mid, Straight - Scarifying Depth, Maximum
12.5 in
Tandems
Height
19.8 in
Width
6.8 in
Sidewall Thickness - Inner
0.5 in
Sidewall Thickness - Outer
0.6 in
Drive Chain Pitch
1.8 in
Wheel Axle Spacing
59.5 in
Tandem Oscillation - Front Up
15 degrees
Tandem Oscillation - Front Down
25 degrees

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