CAT 12M3 Motor Grader Specs, Weight & Dimensions

Contents

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	130 ft in (39.63 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)

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)

Number Of Cylinders

Front Frame Structure – Height	12.6 ft in (3840.5 mm)
Front Frame Structure – Width	12 ft in (3657.6 mm)

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	US 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)

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)

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)

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)

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)

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)

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)

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

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)

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