The Caterpillar 163H is a motor grader designed for road construction, maintenance, and earthmoving applications. Built by Caterpillar, the 163H is used for grading, leveling, ditching, and surface finishing on highways, mining sites, and large civil works projects. It features a heavy-duty frame, articulated steering, and a moldboard assembly for precise blade control. The 163H is typically equipped with a diesel engine, hydraulic controls, and an operator cab designed for visibility and productivity. As a Caterpillar motor grader, the 163H is recognized for its role in fine grading, material spreading, and maintaining haul roads and work surfaces.
Circle
Caterpillar 163H Motor Grader Circle specifications
Blade Tip Angle - Front
40 degrees
Blade Tip Angle - Rear
5 degrees
Diameter
60.20 in (152.91 cm)
Max Lift Above Ground
17.80 in (45.21 cm)
Max Reach Outside Tires - Left
87.50 in (222.25 cm)
Max Reach Outside Tires - Right
89.00 in (226.06 cm)
Shift Left
33.40 in (84.84 cm)
Shift Right
34.70 in (88.14 cm)
Dimensions
Caterpillar 163H Motor Grader Dimensions specifications
Blade Base
8.26 ft (2.52 m)
Front Ground Clearance
2.05 ft (0.62 m)
Height
10.92 ft (3.33 m)
Height To Top Of Isomount Cab
10.25 ft (3.12 m)
Length
30.17 ft (9.19 m)
Overall Length
28.58 ft (8.71 m)
Rear Ground Clearance
1.13 ft (0.34 m)
Tandem Axle Wheelbase
5.00 ft (1.52 m)
Weight
36,460.00 lbs (16,538.00 kg)
Wheelbase
20.25 ft (6.17 m)
Width
8.33 ft (2.54 m)
Width Over Tires
8.39 ft (2.56 m)
Engine
Caterpillar 163H Motor Grader Engine specifications
Displacement
629.00 cu in (10,307.49 cu cm)
Engine Make
2236
Engine Model
3176C DITA ATAAC VHP
Max Power
220.00 hp (164.06 kw)
Net Power Gear 1-2
180.00 hp (134.23 kw)
Net Power Gear 4-6
200.00 hp (149.14 kw)
Net Power Gear 5-6
200.00 hp (149.14 kw)
Net Power Gears 7-8
220.00 hp (164.06 kw)
Front Axle
Caterpillar 163H Motor Grader Front Axle specifications
Ground Clearance
2.10 ft (0.64 m)
Oscillation - Total
32 degrees
Wheel Lean
18 degrees
Hydraulic System
Caterpillar 163H Motor Grader Hydraulic System specifications
Pump Flow
54.40 gpm (205.90 lpm)
Pump Type
axial piston
Relief Valve Pressure
3500 psi
Moldboard
Caterpillar 163H Motor Grader Moldboard specifications
Blade Down Pressure
31,669.50 lbs (14,362.59 kg)
Blade Pull At Max Weight
46,193.00 lbs (20,949.21 kg)
Max Depth Of Cut
30.30 in (76.96 cm)
Moldboard Height
27.00 in (68.58 cm)
Moldboard Thickness
1.00 in (2.54 cm)
Moldboard Width
14.00 ft (4.27 m)
Side Shift Left
33.50 in (85.09 cm)
Side Shift Right
37.10 in (94.23 cm)
Operational
Caterpillar 163H Motor Grader Operational specifications
Circle Gearbox Fluid Capacity
1.80 gal (6.81 l)
Cooling System Fluid Capacity
10.00 gal (37.85 l)
Fuel Capacity
105.00 gal (397.43 l)
Hydraulic System Fluid Capacity
20.80 gal (78.73 l)
Max Operation Weight - Front Axle
18,322.00 lbs (8,309.30 kg)
Max Operation Weight - Rear Axle
33,004.00 lbs (14,967.80 kg)
Max Operation Weight - Total
51,326.00 lbs (23,277.10 kg)
Rear Diff/Final Drive Fluid Capacity
12.40 gal (46.93 l)
Std Operation Weight - Front Axle
10,119.00 lbs (4,589.12 kg)
Std Operation Weight - Rear Axle
25,771.00 lbs (11,687.53 kg)
Std Operation Weight - Total
35,890.00 lbs (16,276.64 kg)
Tandem Case Fluid Capacity (Each)
21.10 gal (79.86 l)
Steering
Caterpillar 163H Motor Grader Steering specifications
Articulation Angle
20 degrees
Turning Radius
24.60 ft (7.50 m)
Transmission
Caterpillar 163H Motor Grader Transmission specifications
Max Speed - Forward
27.10 mph (43.61 kph)
Max Speed - Reverse
21.40 mph (34.44 kph)
Number Of Gears - Forward
8
Number Of Gears - Reverse
6
Transmission Type
direct drive, power shift
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