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120H Motor Grader

Product Description

The 120H blends productivity and durability to give you the best return on your investment.

Specifications
Us
Metric
Engine
Base Power (1st Gear) - Net
124.72 HP
93 kW
Engine Model
Cat® 3126B DITA ATAAC VHP
VHP - Gears 4-8, Net
140 HP
104 kW
Base Power (All Gears) - Gross
139 HP
104 kW
VHP - Gears 1-3, Gross
139 HP
104 kW
VHP - Gears 4-8, Gross
154 HP
115 kW
Bore
4.3 in
110 mm
Stroke
5 in
127 mm
Speed at Rated Power
2000 RPM
Torque Rise
50%
Maximum Torque
544 lb/ft
737 N·m
Base Power (All Gears) - Net
125 HP
93 kW
Displacement
439 in³
7.2 l
VHP - Gears 1-3, Net
125 HP
93 kW
Number of Cylinders
6
Derating Altitude
10000 ft
3048 m
Standard - Fan Speed - Maximum
1210 RPM
Standard - Fan Speed - Minimum
500 RPM
Standard - Ambient Capability
117 °F
47 °C
High Ambient - Fan Speed - Maximum
1300 RPM
High Ambient - Fan Speed - Minimum
500 RPM
High - Ambient Capability
122 °F
50 °C
Power Train
Forward/Reverse Gears
8 fwd / 6 rev
Transmission
direct drive, power shift
Brakes - Service
air actuated, multiple oil disc
Brakes - Service - Surface Area
2595 in²
16744 cm²
Brakes - Parking
air-actuated, multiple oil-disc
Brakes - Secondary
dual circuit
Hydraulic System
Circuit Type
closed center load sense
Pump Type
variable piston
Pump Output
38 gal/min
144 l/min
Maximum System Pressure
3500 psi
24150 kPa
Reservoir Tank Capacity
10.04 gal (US)
38 l
Standby Pressure
450 psi
3100 kPa
Operating Specifications
Top Speed - Forward
26.5 mile/h
42.6 km/h
Top Speed - Reverse
20.9 mile/h
33.7 km/h
Turning Radius - Outside Front Tires
23.6 ft
7.3 m
Steering Range - Left/Right
50°
Articulation Angle - Left/Right
20°
Forward - 1st
2.3 mile/h
3.6 km/h
Forward - 2nd
3.1 mile/h
5 km/h
Forward - 3rd
4.5 mile/h
7.2 km/h
Forward - 4th
6.2 mile/h
9.9 km/h
Forward - 5th
9.7 mile/h
15.7 km/h
Forward - 6th
13.2 mile/h
21.3 km/h
Forward - 7th
18.2 mile/h
29.3 km/h
Forward - 8th
26.5 mile/h
42.6 km/h
Reverse - 1st
1.8 mile/h
2.9 km/h
Reverse - 2nd
3.4 mile/h
5.4 km/h
Reverse - 3rd
4.9 mile/h
7.8 km/h
Reverse - 4th
7.7 mile/h
12.4 km/h
Reverse - 5th
14.4 mile/h
23.1 km/h
Reverse - 6th
20.9 mile/h
33.7 km/h
Service Refill
Fuel Capacity
90 gal (US)
340 l
Cooling System
10.4 gal (US)
40 l
Hydraulic System - Total
17.7 gal (US)
68 l
Hydraulic System - Tank
9.9 gal (US)
38 l
Engine Oil
7.8 gal (US)
29.5 l
Transmission - Differential - Final Drives
12.2 gal (US)
47 l
Tandem Housing - Each
12.7 gal (US)
49 l
Front Wheel Spindle Bearing Housing
0.13 gal (US)
0.5 l
Circle Drive Housing
1.8 gal (US)
7 l
Frame
Circle - Diameter
60.2 in
1530 mm
Circle - Blade Beam Thickness
1.2 in
30 mm
Drawbar - Height
5 in
127 mm
Front-Top/Bottom Plate - Width
11 in
280 mm
Front-Top/Bottom Plate - Thickness
0.9 in
22 mm
Front-Side Plates - Width
9.3 in
236 mm
Front-Side Plates - Thickness
0.4 in
10 mm
Front-Linear Weights - Minimum
90 lb/ft
134 kg/m
Front-Linear Weights - Maximum
115 lb/ft
172 kg/m
Front-Section Modulus - Minimum
99 in³
1619 cm³
Front-Section Modulus - Maximum
225 in³
3681 cm³
Front Axle - Height to Center
23.9 in
608 mm
Front Axle - Wheel Lean - Left/Right
18°
Front Axle - Total Oscillation per Side
32°
Tandems
Height
17.2 in
438 mm
Width
6.8 in
172 mm
Sidewall Thickness - Inner
0.55 in
14 mm
Sidewall Thickness - Outer
0.63 in
16 mm
Drive Chain Pitch
1.75 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
3.658 m
Moldboard - Height
24 in
610 mm
Moldboard - Thickness
0.87 in
22 mm
Arc Radius
16.25 in
413 mm
Throat Clearance
4.7 in
120 mm
Cutting Edge Width
6 in
152 mm
Cutting Edge Thickness
0.63 in
16 mm
End Bit - Width
6 in
152 mm
End Bit - Thickness
0.63 in
16 mm
Blade Pull - Base GVW
17816 lb
8081 kg
Blade Pull - Maximum GVW
23504 lb
10661 kg
Blade Down Pressure - Base GVW
14488 lb
6574 kg
Blade Down Pressure - Maximum GVW
20056 lb
9100 kg
Blade Range
Circle Centershift - Right
24.7 in
628 mm
Circle Centershift - Left
24.6 in
625 mm
Moldboard Sideshift - Right
26 in
660 mm
Moldboard Sideshift - Left
20.6 in
524 mm
Maximum Blade Position Angle
90°
Blade Tip Range - Forward
40°
Blade Tip Range - Backward
5°
Maximum Shoulder Reach Outside of Tires - Right
75.3 in
1912 mm
Maximum Shoulder Reach Outside of Tires - Left
72.4 in
1840 mm
Maximum Lift Above Ground
18 in
457 mm
Maximum Depth of Cut
30.5 in
775 mm
Ripper
Ripping Depth - Maximum
10.3 in
262 mm
Ripper Shank Holders
5
Shank Holder Spacing - Minimum
21 in
533 mm
Penetration Force
9566 lb
4343 kg
Pry-Out Force
5020 lb
2279 kg
Machine Length Increase, Beam Raised
41.7 in
1058 mm
Scarifier
Front, V-Type - Scarifier Shank Holders
11
Front, V-Type - Scarifier Shank Holder Spacing
4.6 in
116 mm
Front, V-Type - Working Width
46.6 in
1184 mm
Front, V-Type - Scarifying Depth, Maximum
11.5 in
292 mm
Front, Straight - Working Width
71 in
1800 mm
Front, Straight - Scarfying Depth, Maximum
12.5 in
317 mm
Front, Straight - Scarifier Shank Holders
17
Front, Straight - Scarifier Shank Holder Spacing
4.38 in
111 mm
Weights
Gross Vehicle Weight - Maximum - Front Axle
11190 lb
5076 kg
Gross Vehicle Weight - Maximum - Rear Axle
23116 lb
11846 kg
Gross Vehicle Weight - Base - Front Axle
7959 lb
3611 kg
Gross Vehicle Weight - Base - Rear Axle
19921 lb
9039 kg
Gross Vehicle Weight - Maximum - Total
37306 lb
16922 kg
Gross Vehicle Weight - Base - Total
27880 lb
12650 kg
Dimensions
Height - Top of Cab
122 in
3108 mm
Height - High Profile Cab
131 in
3332 mm
Height - No Cab
121 in
3090 mm
Length - Counterweight to Ripper
396.2 in
10064 mm
Width - Outside Front Tires
96.1 in
2441 mm
Length - Front Axle to Mid Tandem
233 in
5923 mm
Length - Front Tire to Rear of Machine
327.3 in
8314 mm
Length - Front Axle to Moldboard
102.2 in
2596 mm
Length - Between Tandem Axles
59.4 in
1510 mm
Width - Outside Rear Tires
94.6 in
2402 mm
Width - Tire Center Lines
80.9 in
2056 mm
Height - Front Axle Center
23.4 in
594 mm
Height - Exhaust Stack
123 in
3138 mm
Height - Top of Cylinders
115 in
2912 mm
Ground Clearance - Rear Axle
13.8 in
351 mm
Standard/Optional

Standard Equipment

ELECTRICAL
OPERATOR ENVIRONMENT
POWERTRAIN
OTHER STANDARD EQUIPMENT
TIRES, RIMS, & WHEELS

Optional Equipment

Cutting edges for 22 mm (7/8 in) thick blade
Cutting edges for 25 mm (1 in) thick blade
Extensions, blade 610 mm (2 ft) right and left
Lighting systems:
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