Caterpillar Performance Handbook, January 2017, SEBD0351-47

Specifications

Motor Graders StandardVersions

MODEL

120K

12K

Net Flywheel Power: Gears 4-8 Net Flywheel Power: Gear 3 ▲ Net Flywheel Power: Gears 1-2 ▲ OperatingWeight (Typical)*

108 kW 101 kW 93 kW

123 kW 116 kW 108 kW

145 hp 135 hp 125 hp

165 hp 156 hp 145 hp

13 843 kg

14 308 kg

30,519 lb

31,543 lb

Engine Model

C7 ACERTVHP

C7 ACERTVHP

Rated Engine RPM No. of Cylinders

2000

2000

6

6

Displacement Max.Torque

7.2 L

7.2 L

439 in 3

439 in 3

774 N·m

881 N·m

571 lb-ft

650 lb-ft

No. of Speeds Forward/Reverse

8/6

8/6

Top Speed: Forward Top Speed: Reverse

47.5 km/h 37.5 km/h

46.8 km/h 36.8 km/h

29.5 mph 23.3 mph

29.0 mph 22.9 mph

Std.Tires — Front and Rear

13.00-24 (12 PR) (G-2)

13.00-24 (12 PR) (G-2)

Front Axle/Steering: Oscillation Angle

32° 18°

32° 18°

Wheel Lean Angle

Steering Angle

47.5°

47.5°

Articulation Angle

20°

20°

MinimumTurning Radius** Front Frame Section Modulus: Min.

7.3 m

7.5 m

23'11"

24'7"

1619 cm³ 3681 cm³

2083 cm³ 4785 cm³

99 in³

127 in³ 291 in³

Max.

225 in³

No. Circle Support Shoes Hydraulics: PumpType

4

6

Variable Piston

Variable Piston

Max. Pump Flow

210 L/min

210 L/min

55.7 gpm

55.7 gpm

ReservoirTank Capacity Implement Pressure: Max. Implement Pressure: Min.

55 L

55 L

14.5 U.S. gal

14.5 U.S. gal

25 500 kPa 3600 kPa

25 500 kPa 3600 kPa

3699 psi 522 psi

3699 psi 522 psi

Electrical:

11

System Size

24V 750

24V 750

Std. Battery CCA @ 0° F

Std. Alternator

115 amp

115 amp

GENERAL DIMENSIONS: Height (to top of ROPS)

3.33 m 2.88 m 8.24 m 9.77 m 5.87 m 2.60 m 2.46 m 3.66 m 610 mm 22 mm 410 mm

3.35 m 3.05 m 8.50 m 10.01 m 6.09 m 2.60 m 2.48 m 3.66 m 610 mm 22 mm 480 mm

10'11"

11'0" 10'0"

Height (No Cab/Canopy)***

9'6"

Overall Length

27'0" 32'1" 19'3"

27'11" 32'10"

With Ripper and Pushplate

Wheelbase Blade Base

20'0"

8'6" 8'1"

8'6" 8'2"

Overall Width (at top of front tires)

Standard Blade: Length Standard Blade: Height Standard Blade: Thickness

12'0"

12'0"

2'0"

2'0"

0.87"

0.87" 18.9"

Lift Above Ground

16"

Max. Shoulder Reach: ◀

Frame Straight — Right Frame Straight — Left

1.93 m 1.76 m

1.81 m 1.86 m

6'4" 5'9"

5'11"

6'1"

FuelTank Capacity 80.6 U.S. gal ** * Typical OperatingWeight — based on standard machine configuration, with Cab High Profile ROPS, 13.00-24 12 PR (G-2) tires, full fuel tank, coolant, lubricants and operator. * ** MinimumTurning Radius — combining the use of articulated frame steering, front wheel steer and unlocked differential. *** Height (No Cab/Canopy) — without ROPS, exhaust, or other easily removed encumbrances. ◀ Applicable for the standard blade with hydraulic sideshift and tip control. Maximum shoulder reach is obtainable to the right. ▲ Engine Power Management automatically reduces power in gears 1F-3F and 1R-2R. 305 L 80.6 U.S. gal 305 L

Edition 47 11-9