CAT 12H Motor Grader

Dimensions

Overall Length 28.12 ft in (8571 mm)
Width Over Tires 8 ft in (2440 mm)
Wheelbase 19.97 ft in (6086 mm)
Rear Ground Clearance 1.13 ft in (341.5 mm)
Tandem Axle Wheelbase 4.99 ft in (1523 mm)
Front Ground Clearance 1.95 ft in (594 mm)
Blade Base 8.44 ft in (2575 mm)
Height To Top Of Isomount Cab 10.17 ft in (3107 mm)

Engine Details

Number Of Cylinders 6
Net Power Gear 4-6 165 hp (123 kw)
Engine Make CAT
Engine Model C-9 ETA VHP
Net Power Gear 1-2 145 hp (108 kw)
Power Measured @ 2000 rpm
Net Power Gear 5-6 165 hp (123 kw)
Max Power 165 hp (123.1 kw)
Net Power Gears 7-8 165 hp (123 kw)
Displacement 537 cu in (8.8 L)

Operational Specs

Std Operation Weight – Front Axle 8346 lb (3784 kg)
Std Operation Weight – Rear Axle 22974 lb (10416 kg)
Hydraulic System Fluid Capacity 19.5 gal (74 L)
Std Operation Weight – Total 31320 lb (14200 kg)
Max Operation Weight – Front Axle 13744 lb (6234 kg)
Max Operation Weight – Rear Axle 32074 lb (14549 kg)
Max Operation Weight – Total 45818 lb (20783 kg)
Oil System Fluid Capacity 7.2 gal (27 L)
Fuel Tank Capacity 100 gal (378 L)
Cooling System Fluid Capacity 11.6 gal (44 L)
Rear Diff/Final Drive Fluid Capacity 12.2 gal (47 L)
Circle Gearbox Fluid Capacity 1.8 gal (7 L)
Tandem Case Fluid Capacity (Each) 16.9 gal (64 L)
Tire Size 14.00-24 12PR
Operating Voltage 24 V
Alternator Supplied Amperage 75 amps

Steering

Articulation Angle 50 degrees
Turning Radius 24.3 ft in (7.4 m)

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 (594 mm)

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 28.9 in (735 mm)
Side Shift Left 20.6 in (524 mm)
Side Shift Right 26 in (660 mm)
Blade Pull At Max Weight 28867 lb (13094 kg)
Blade Down Pressure 23807.8 lb (10799 kg)

Hydraulic System

Pump Type variable piston
Pump Flow 51.9 gal/min (196 L/min)
Relief Valve Pressure 3500 psi (24150 kPa)

Circle

Diameter 60.2 in (1530 mm)
Rotation 360 degrees
Shift Left 27.4 in (695 mm)
Shift Right 28.7 in (728 mm)
Max Reach Outside Tires – Left 73.6 in (1859 mm)
Max Reach Outside Tires – Right 71.2 in (1809 mm)
Max Lift Above Ground 18.9 in (480 mm)
Blade Tip Angle – Front 40 degrees
Blade Tip Angle – Rear 5 degrees
Ask a question