Caterpillar 143H Motor Grader

Circle

Blade Tip Angle – Front 40 degrees
Blade Tip Angle – Rear 5 degrees
Diameter 60 in (153 cm)
Max Lift Above Ground 19 in (48 cm)
Max Reach Outside Tires – Left 75 in (189 cm)
Max Reach Outside Tires – Right 78 in (198 cm)
Shift Left 27 in (70 cm)
Shift Right 29 in (73 cm)

Dimensions

Blade Base 8 ft (3 m)
Front Ground Clearance 2 ft (1 m)
Height to Top of Isomount Cab 10 ft (3 m)
Overall Length 29 ft (9 m)
Rear Ground Clearance 1 ft (0 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 20 ft (6 m)
Width Over Tires 8 ft (3 m)

Engine

Displacement 629 cu in (10,307 cu cm)
Engine Model 3176C DITA ATAAC VHP
Max Power 205 hp (153 kw)
Net Power Gear 1-2 165 hp (123 kw)
Net Power Gear 4-6 185 hp (138 kw)
Net Power Gear 5-6 185 hp (138 kw)
Net Power Gears 7-8 205 hp (153 kw)

Front Axle

Ground Clearance 2 ft (1 m)
Oscillation – Total 32 degrees
Wheel Lean 18 degrees

Hydraulic System

Pump Flow 54 gpm (206 lpm)
Pump Type axial piston
Relief Valve Pressure 3500 psi

Moldboard

Blade Down Pressure 30,126 lbs (13,665 kg)
Blade Pull at Max Weight 43,977 lbs (19,948 kg)
Max Depth of Cut 28 in (71 cm)
Moldboard Height 24 in (61 cm)
Moldboard Thickness 1 in (2 cm)
Moldboard Width 12 ft (4 m)
Side Shift Left 21 in (52 cm)
Side Shift Right 26 in (66 cm)

Operating Specifications

Circle Gearbox Fluid Capacity 2 gal (7 l)
Cooling System Fluid Capacity 10 gal (38 l)
Fuel Capacity 105 gal (397 l)
Hydraulic System Fluid Capacity 21 gal (79 l)
Max Operation Weight – Front Axle 17,443 lbs (7,912 kg)
Max Operation Weight – Rear Axle 31,420 lbs (14,252 kg)
Max Operation Weight – Total 48,863 lbs (22,164 kg)
Std Operation Weight – Front Axle 9,493 lbs (4,306 kg)
Std Operation Weight – Rear Axle 24,177 lbs (10,967 kg)
Std Operation Weight – Total 33,670 lbs (15,272 kg)
Tandem Case Fluid Capacity (each) 17 gal (64 l)

Steering System

Articulation Angle 20 degrees
Turning Radius 25 ft (7 m)

Transmission

Max Speed – Forward 27 mph (44 kph)
Max Speed – Reverse 22 mph (35 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 6
Transmission Type direct drive, power shift
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