12M Motor Grader

The 12M motor grader represents a revolution in operational efficiency, visibility, service ease and overall productivity, setting the new standard and building on the legacy of high quality you can trust.

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Overview and Specifications

Tandems
Height	19.76 in / 502 mm
Width	6.76 in / 172 mm
Sidewall thickness - inner	.5 in / 14 mm
Sidewall thickness - outer	.6 in / 16 mm
Drive chain pitch	1.8 in / 44.5 mm
Wheel axle spacing	59.5 in / 1510 mm
Tandem oscillation - front down	25°
Tandem oscillation - front up	15°

Moldboard
Blade width	12 ft / 3.668 m
Moldboard - height	24 in / 609.6 mm
Moldboard - thickness	.87 in / 22 mm
Throat clearance	4.88 in / 124 mm
Cutting edge - thickness	.6 in / 16 mm
End Bit - width	6 in / 152.4 mm
Blade Pull - max GVW	26465 lb / 12004 kg
Down Pressure - max GVW	27067 lb / 12277 kg
Down Pressure - base GVW	15649 lb / 7098 kg
Arc radius	16.3 in / 413 mm
Cutting edge - width	6 in / 152.4 mm
End Bit - thickness	.6 in / 16 mm
Blade Pull - base GVW	20862 lb / 9463 kg

Service Refill
Cooling system	10.4 gal / 40 L
Engine Oil	4.1 gal / 15.5 L
Trans./Diff./Final Drives	13.2 gal / 50 L
Tandem housing (each)	16.9 gal / 61 L
Circle drive housing	1.8 gal / 7 L
Front wheel spindle bearing housing	.1 gal / .5 L
Hydraulic system - tank	16 gal / 60 L
Fuel Capacity	90 gal / 340 L

Hydraulic System
Maximum system pressure	3500 psi / 24100 kPa
Standby Pressure	450 psi / 3100 kPa
Pump output	51 gal/min / 193 L/min
Pump type	Variable piston
Circuit type	Electro-hydraulic closed center, load sensing,

Frame
Drawbar - width	3 in / 76.2 mm
Drawbar - yoke bar thickness	.75 in / 19.1 mm
Drawbar - yoke bar thickness	.75 in / 19.1 mm
Drawbar - thickness	.4 in / 9.5 mm
Drawbar - thickness	.4 in / 9.5 mm
Circle - diameter	60.2 in / 1530 mm
Drawbar - height	6 in / 152 mm
Front axle - height to center	22.5 in / 572 mm
Circle - blade beam thickness	1.4 in / 35 mm
Front axle - total oscillation per side	32°
Front axle - wheel lean, left/right	18°

Power Train
Brakes - Service, surface area	3565 in2 / 23000 cm2
Brakes - Service	Multiple oil-disc
Brakes - Secondary	Dual circuit control system
Transmission	Direct drive, power shift, countershaft
Brakes - Parking	Multiple oil disc
Forward/Reverse Gears	8 Fwd / 6 Rev

Operating Specifications
Fwd. 4th	6.5 mph / 10.5 km/h
Fwd. 3rd	4.75 mph / 7.6 km/h
Fwd. 2nd	3.3 mph / 5.3 km/h
Fwd. 1st	2.4 mph / 3.9 km/h
Rev. 6th	23.5 mph / 37.8 km/h
Rev. 5th	16.1 mph / 26 km/h
Rev. 4th	8.6 mph / 13.9 km/h
Rev. 3rd	5.6 mph / 8.9 km/h
Rev. 2nd	3.8 mph / 6.2 km/h
Rev. 1st	2 mph / 3.3 km/h
Top Speed - Fwd.	27.7 mph / 44.5 km/h
Top Speed - Rev.	23.5 mph / 37.8 km/h
Turning radius, outside front tires	24.5 ft / 7.46 m
Fwd. 8th	27.7 mph / 44.5 km/h
Fwd. 7th	19 mph / 30.6 km/h
Fwd. 6th	13.8 mph / 22.2 km/h
Fwd. 5th	10.2 mph / 16.4 km/h
Articulation angle - left/right	20°
Steering range - left/right	47.5°

Weights
Gross Vehicle Weight, max	44690 lb / 20271 kg
Gross Vehicle Wt, max - rear axle	29406 lb / 13338 kg
Gross Vehicle Weight - base	32016 lb / 14522 kg
Gross Vehicle Wt, base - rear axle	23180 lb / 10514 kg
Gross Vehicle Wt, max - front axle	15284 lb / 6933 kg
Gross Vehicle Wt, base - front axle	8836 lb / 4008 kg

Dimensions
Height - top of cab	129 in / 3278 mm
Length - front tire to rear of machine	334.1 in / 8488 mm
Width - outside front tires	97.7 in / 2481 mm
Length - counterweight to ripper	389.3 in / 9889 mm
Length - front axle to mid tandem	232.8 in / 5915 mm
Length - between tandem axles	59.5 in / 1511 mm
Length - front axle to moldboard	98.85 in / 2511 mm
Height - front axle center	22.5 in / 572 mm
Height to exhaust stack	112.4 in / 2855 mm
Height to top of cylinders	113.7 in / 2890 mm
Ground clearance at rear axle	13.6 in / 347 mm
Width - tire center lines	84.1 in / 2136 mm
Width - outside rear tires	97.7 in / 2481 mm

Engine
Displacement	403 in3 / 6.6 L
Bore	4.13 in / 105 mm
Stroke	4.92 in / 125 mm
Derating altitude	11500 ft / 3505 m
Base Power (all gears) Net	158 hp / 118 kW
Std - Ambient Capability	109 Â° F / 43 Â° C
Hi Ambient Capability	122 Â° F / 50 Â° C
Hi Ambient - Fan speed - max	1650 RPM
Std - Fan speed - max	1150 RPM
Number of cylinders	6
Speed @ rated power	2000 RPM
Hi Ambient - Fan speed - min	550 RPM
Std - Fan speed - min	550 RPM
Engine Model	C6.6 ACERT VHP

Blade Range
Circle centershift - right	25.8 in / 656 mm
Circle centershift - left	25.8 in / 656 mm
Moldboard sideshift - right	26 in / 660 mm
Moldboard sideshift - left	20.1 in / 510 mm
Maximum shoulder reach outside of tires - right	75 in / 1905 mm
Maximum shoulder reach outside of tires - left	68.6 in / 1742 mm
Maximum lift above ground	16.8 in / 427 mm
Maximum depth of cut	28.3 in / 720 mm
Blade tip range - backward	5°
Blade tip range - forward	40°
Maximum blade position angle	90°