CAT 143H Motor Grader


Dimensions

Overall Length 28.58 ft in (8713 mm)
Width Over Tires 8.39 ft in (2553 mm)
Wheelbase 20.24 ft in (6169 mm)
Rear Ground Clearance 1.13 ft in (344 mm)
Tandem Axle Wheelbase 5 ft in (1523 mm)
Front Ground Clearance 1.96 ft in (600 mm)
Blade Base 8.4 ft in (2561 mm)
Height To Top Of Isomount Cab 10.25 ft in (3131 mm)

Engine Details

Number Of Cylinders 6
Engine Make CAT
Engine Model CAT 3306
Displacement 638 cu in (10.45 L)
Gross Power 186 hp (139 kw)
Gross Power (VHP) 206 hp (154 kw)
Net Power 165 hp (123 kw)
Net Power (VHP) 185 hp (138 kw)
Power Measured @ 1900 rpm
Peak Torque 593 lb ft (804 Nm)
Peak Torque (VHP) 665 lb ft (904 Nm)
Torque Measured @ 1200 rpm
Torque rise 30%
Aspiration Turbocharged

Cat VHP (variable horsepower) available in gears 4-8 forward and 3-6 reverse when All-Wheel Drive (AWD) is not engaged. When AWD is engaged, VHP is available in all gears

Transmission

Transmission Type direct drive, power shift
Number Of Gears – Forward 8
Number Of Gears – Reverse 6
Max Speed – Forward 27.4 mph (44 km/h)
Max Speed – Reverse 21.6 mph (34.7 km/h)

Front Axle

Wheel Lean 18 degrees
Oscillation – Total 32 degrees
Ground Clearance 2 ft in (600 mm)

Steering

Articulation Angle 20 degrees
Turning Radius 24.6 ft in (7.5 m)

Moldboard

Moldboard Width 12 ft in (3658 mm)
Moldboard Height 24 in (610 mm)
Moldboard Thickness 0.9 in (22 mm)
Max Depth Of Cut 28.1 in (715 mm)
Side Shift Left 20.6 in (524 mm)
Side Shift Right 26 in (660 mm)
Blade Pull At Max Weight 43977 lb (19931 kg)
Blade Down Pressure 30126.2 lb (13665 kg)

Circle

Diameter 60.2 in (1530 mm)
Shift Left 27.4 in (695 mm)
Shift Right 28.7 in (728 mm)
Max Reach Outside Tires – Left 74.6 in (1896 mm)
Max Reach Outside Tires – Right 77.9 in (1978 mm)
Max Lift Above Ground 18.9 in (480 mm)
Blade Tip Angle – Front 40 degrees
Blade Tip Angle – Rear 5 degrees

Hydraulic System

Pump Type Axial piston
Pump Flow 54.4 gal/min (206 L/min)
Relief Valve Pressure 3500 psi (24150 kPa)

Weight

Std Operation Weight – Total 33670 lb (15270 kg)
Std Operation Weight – Front Axle 9493 lb (4305 kg)
Std Operation Weight – Rear Axle 24177 lb (10965 kg)
Max Operation Weight – Total 48863 lb (22146 kg)
Max Operation Weight – Front Axle 17443 lb (7906 kg)
Max Operation Weight – Rear Axle 31420 lb (14240 kg)

Service Refill Capacities

Fuel Tank Capacity 105 gal (397 L)
Hydraulic System Fluid Capacity 20.8 gal (80 L)
Cooling System Fluid Capacity 10 gal (38 L)
Circle Gearbox Fluid Capacity 1.8 gal (7 L)
Tandem Case Fluid Capacity (Each) 16.9 gal (64 L)
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