CAT 12M3/12M3 AWD Motor Grader

Dimensions

Ground Clearance – Rear Axle 13.3 in (337.82 mm)
Height – Exhaust Stack 128 in (3251.2 mm)
Height – Front Axle Center 23.5 in (596.9 mm)
Height – Top Of Cab 10.84 ft in (0.28 m)
Height – Top Of Cylinders 120 in (3048 mm)
Length – Between Tandem Axles 60 in (1524 mm)
Length – Counterweight To Ripper 399 in (10134.6 mm)
Length – Front Axle To Mid Tandem 241 in (6121.4 mm)
Length – Front Axle To Moldboard 100 in (2540 mm)
Length – Front Tire To Rear Of Machine 351 in (8915.4 mm)
Width – Outside Front Tires 98.9 in (2512.06 mm)
Width – Outside Rear Tires 98.9 in (2512.06 mm)
Width – Tire Center Lines 84.3 in (2141.22 mm)

Ripper

Pry-Out Force 27794 lb (12607.2 kg)
Ripping Depth – Maximum 16.8 in (426.8 mm)
Ripper Shank Holders 5
Penetration Force 20812 lb (9440.2 kg)
Machine Length Increase, Beam Raised 40.6 in (1031.3 mm)
Ripper Shank Holder Spacing 21 in (533.4 mm)

Engine Details

Number Of Cylinders 6

Frame

Front Frame Structure – Height 1.1 ft in (320.1 mm)
Front Frame Structure – Width 1 ft in (304.8 mm)

Engine Details

Torque Rise 38 %
Displacement 567.5 cu in (9.3 L)
Bore 4.5 in (114.3 mm)
Stroke 5.9 in (149.9 mm)
Emissions U.S. EPA Tier 4 Final/EU Stage IV
Engine Model Cat C9.3 ACERT
Derating Altitude 10000 ft in (3048 m)
Base Power (1st Gear) – Net 179 hp (133.5 kw)
Standard Capability 109 degrees
Speed At Rated Power 2,000 rpm
High – Ambient Capability 122 degrees
Base Power (1st Gear) – Net – Metric 181 hp (135 kw)
High Ambient – Fan Speed – Maximum 1,550 rpm
Vhp Plus – Gear – Net Power – Forward 8th 231 hp (172.3 kw)
Vhp Plus – Gear – Net Power – Reverse 1st 179 hp (133.5 kw)
Vhp Plus – Gear – Net Power – Reverse 2nd 189 hp (141 kw)
Vhp Plus – Gear – Net Power – Reverse 3rd-6th 200 hp (149.2 kw)
High Ambient – Fan Speed – Standard 1,400 rpm
Maximum Torque – Vhp Plus 840 lb ft (1138.9 Nm)
High Ambient – Fan Speed – Minimum 500 rpm
Vhp Plus Range – Net 133-172 kW (179-231 hp)
Vhp Plus Range – Net – Metric 133-172 kW (181-234 hp)
Vhp Plus – Gear – Net Power – Forward 1st 179 hp (133.5 kw)
Vhp Plus – Gear – Net Power – Forward 2nd 189 hp (141 kw)
Vhp Plus – Gear – Net Power – Forward 3rd 200 hp (149.2 kw)
Vhp Plus – Gear – Net Power – Forward 4th 210 hp (156.6 kw)
Vhp Plus – Gear – Net Power – Forward 5th 215 hp (160.4 kw)
Vhp Plus – Gear – Net Power – Forward 6th 220 hp (164.1 kw)
Vhp Plus – Gear – Net Power – Forward 7th 225 hp (167.8 kw)

Frame

Circle – Diameter 60.2 in (1529.1 mm)
Drawbar – Height 6 in (152.4 mm)
Front Axle – Height To Center 23.5 in (596.9 mm)
Circle – Blade Beam Thickness 1.6 in (40.7 mm)
Front Axle – Total Oscillation Per Side 32 degrees
Drawbar – Thickness 0.5 in (12.7 mm)
Drawbar – Width 3 in (76.2 mm)
Front-Top/Bottom Plate – Width 12 in (304.8 mm)
Front-Top/Bottom Plate – Thickness 0.9 in (22.1 mm)
Front Axle – Wheel Lean – Left/Right 18 degrees
Circle – Height 5.4 in (137.2 mm)

Power Train

Brakes – Parking Multiple Oil Disc
Brakes – Service Multiple Oil Disc
Transmission APECS, Direct Drive, Powershift
Forward/Reverse Gears 8 Forward/6 Reverse
Brakes – Secondary Dual Circuit
Brakes – Service – Surface Area 3565 in2 (2.3 m2)

Weights

Operating Weight – Typically Equipped 42647 lb (19344.4 kg)
Gross Vehicle Weight – Base – Total 37420 lb (16973.5 kg)
Gross Vehicle Weight – Maximum – Total 55144 lb (25012.9 kg)
Operating Weight – Typically Equipped – Total 42647 lb (19344.4 kg)
Gross Vehicle Weight – Base – Rear Axle 28077 lb (12735.6 kg)
Operating Weight – Typically Equipped – Front Axle 12055 lb (5468.1 kg)
Operating Weight – Typically Equipped – Rear Axle 30592 lb (13876.3 kg)
Gross Vehicle Weight – Base – Front Axle 9343 lb (4238 kg)
Gross Vehicle Weight – Maximum – Front Axle 17075 lb (7745.1 kg)
Gross Vehicle Weight – Maximum – Rear Axle 38069 lb (17267.9 kg)

Hydraulic System

Standby Pressure 885 psi
Maximum System Pressure 3500 psi
Pump Type Variable Piston
Circuit Type Parallel
Pump Output 55.7 gal/min
Reservoir Tank Capacity 16.9 gal (64 L)

Moldboard

Blade Width 12 ft in (3.7 m)
Arc Radius 16.3 in (414.1 mm)
Throat Clearance 6.5 in (165.1 mm)
Cutting Edge Width 6 in (152.4 mm)
Cutting Edge Thickness 0.6 in (15.3 mm)
End Bit – Width 6 in (152.4 mm)
End Bit – Thickness 0.6 in (15.3 mm)
Moldboard – Height 24 in (609.6 mm)
Moldboard – Thickness 0.9 in (22.1 mm)
Moldboard – Blade Width 12 ft in (3.7 m)
Blade Pull – Maximum Gvw 34262 lb (15541 kg)
Blade Pull – Base Gvw 25269 lb (11461.9 kg)
Blade Down Pressure – Base Gvw 16038 lb (7274.8 kg)
Blade Down Pressure – Maximum Gvw 29309 lb (13294.4 kg)

Operating Specifications

Top Speed – Forward 29 mph (46.7 km/h)
Top Speed – Reverse 23 mph (37.1 km/h)
Turning Radius – Outside Front Tires 25.6 ft in (7.8 m)
Steering Range – Left/Right 50 degrees
Articulation Angle – Left/Right 20 degrees
Forward – 8th 29 mph (46.7 km/h)
Forward – 7th 19.9 mph (32.1 km/h)
Forward – 6th 14.5 mph (23.4 km/h)
Forward – 5th 10.6 mph (17.1 km/h)
Forward – 4th 6.9 mph (11.2 km/h)
Forward – 3rd 5 mph (8.1 km/h)
Forward – 2nd 3.4 mph (5.5 km/h)
Forward – 1st 2.5 mph (4.1 km/h)
Reverse – 6th 23 mph (37.1 km/h)
Reverse – 5th 15.7 mph (25.3 km/h)
Reverse – 4th 8.4 mph (13.6 km/h)
Reverse – 3rd 5.4 mph (8.7 km/h)
Reverse – 2nd 3.7 mph (6 km/h)
Reverse – 1st 2 mph (3.3 km/h)

Standards

Brakes ISO 3450
Rops/Fops ISO 3471/ISO 3499
Sound ISO 6394; ISO 6395
Steering ISO 5010

Service Refill

Cooling System 15 gal (56.8 L)
Hydraulic System – Total 26.4 gal (100 L)
Engine Oil 7.9 gal (30 L)
Hydraulic System – Tank 16.9 gal (64 L)
Tandem Housing – Each 20 gal (75.8 L)
Circle Drive Housing 1.8 gal (6.9 L)
Front Wheel Spindle Bearing Housing 0.2 gal (0.5 L)
Fuel Tank Capacity 104 gal (393.7 L)
Transmission – Differential – Final Drives 18.5 gal (70.1 L)
Diesel Exhaust Fluid 5.8 gal (22 L)

Blade Range

Circle Centershift – Right 28.7 in (729 mm)
Circle Centershift – Left 27.4 in (696 mm)
Moldboard Sideshift – Right 26 in (660.4 mm)
Moldboard Sideshift – Left 20.1 in (510.6 mm)
Blade Tip Range – Forward 40 degrees
Blade Tip Range – Backward 5 degrees
Maximum Shoulder Reach Outside Of Tires – Right 77.9 in (1978.7 mm)
Maximum Shoulder Reach Outside Of Tires – Left 70.5 in (1790.7 mm)
Maximum Lift Above Ground 18.9 in (480.1 mm)
Maximum Depth Of Cut 28.1 in (713.8 mm)
Maximum Blade Position Angle 90 degrees

Scarifier

Front, V-Type – Working Width 47.4 in (1204 mm)
Rear – Scarifier Shank Holders 9
Mid, V-Type – Scarifier Shank Holders 11
Front, V-Type, 5 Or 11 Tooth – Working Width 40.6 in (1031.3 mm)
Front, V-Type, 5 Or 11 Tooth – Scarifying Depth, Maximum 18.4 in (467.4 mm)
Front, V-Type, 5 Or 11 Tooth – Scarifier Shank Holders 5/11
Front, V-Type, 5 Or 11 Tooth – Scarifier Shank Holder Spacing 4.6 in (116.9 mm)
Mid, V-Type – Working Width 46.6 in (1183.7 mm)
Mid, V-Type – Scarifying Depth, Maximum 11.5 in (292.1 mm)
Mid, V-Type – Scarifier Shank Holder Spacing 4.6 in (116.9 mm)
Rear – Working Width 84 in (2133.6 mm)
Rear – Scarifying Depth, Maximum 16.8 in (426.8 mm)
Rear – Scarifier Shank Holder Spacing 10.5 in (266.7 mm)

Tandems

Height 19.9 in (505.5 mm)
Width 7.9 in (200.7 mm)
Sidewall Thickness – Inner 0.7 in (16.1 mm)
Sidewall Thickness – Outer 0.8 in (18.1 mm)
Drive Chain Pitch 2 in (50.8 mm)
Wheel Axle Spacing 60 in (1524 mm)
Tandem Oscillation – Front Up 15 degrees
Tandem Oscillation – Front Down 25 degrees
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