Overview

The M Series 2 continues the legacy of quality already established by Cat® Motor Graders. The extensive validation program, combined with improvements to the manufacturing process, allows Caterpillar to further enhance our quality. The end result of this development process is a motor grader line with breakthrough technologies, tested in the field and built around real applications and real customer needs. M Series 2 Motor Graders meet U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards.

Engine

Units:

Base Power (1st gear) – Net	173.0 hp 129.0 kW
Engine Model	Cat® C9.3 ACERT™ Cat® C9.3 ACERT™
Bore	4.5 in 115.0 mm
Stroke	5.9 in 149.0 mm
Speed @ Rated Power	2,100 rpm 2,100 rpm
AWD Range – Net	136-181 kW (183-243 hp) 136-181 kW (183-243 hp)
AWD Range – Net (Metric)	136-181 kW (186-246 hp) 136-181 kW (186-246 hp)
Base Power (1st gear) – Net (Metric)	176.0 hp 129.0 kW
Base Power (all gears) – Net	173.0 hp 129.0 kW
Emissions	U.S. Tier 4 Interim/EU Stage IIIB U.S. Tier 4 Interim/EU Stage IIIB
Hi Ambient – Fan Speed – Standard	1,400 rpm 1,400 rpm
Maximum Torque	839.0 lb ft 1138.0 N·m
Standard Capability	109.0 ° F 43.0 ° C
Torque Rise	50% 50%
VHP Plus Range – Net	129-166 kW (173-223 hp) 129-166 kW (173-223 hp)
VHP Plus Range – Net (Metric)	129-166 kW (176-226 hp) 129-166 kW (176-226 hp)
VHP Plus – gear 1F, Net	173.0 hp 129.0 kW
VHP Plus – gear 2F, Net	183.0 hp 136.0 kW
VHP Plus – gear 3F, Net	193.0 hp 144.0 kW
VHP Plus – gear 4F, Net	203.0 hp 151.0 kW
VHP Plus – gear 5F, Net	208.0 hp 155.0 kW
VHP Plus – gear 6F, Net	213.0 hp 159.0 kW
VHP Plus – gear 7F, Net	218.0 hp 163.0 kW
VHP Plus – gear 8F, Net	223.0 hp 166.0 kW
Displacement	567.5 in3 9.3 L
Number of Cylinders	6 6
Derating Altitude	10000.0 ft 3048.0 m
High Ambient – Fan Speed – Maximum	1,550 rpm 1,550 rpm
High Ambient – Fan Speed – Minimum	500 rpm 500 rpm
High Ambient Capability	122.0 ° F 50.0 ° C

Power Train

Forward/Reverse Gears	8 Fwd/6 Rev 8 Fwd/6 Rev
Transmission	Direct Drive, Powershift Direct Drive, Powershift
Brakes – Service	Multiple Oil Disc Multiple Oil Disc
Brakes – Service, Surface Area	3565.0 in2 23000.0 cm2
Brakes – Parking	Multiple Oil Disc Multiple Oil Disc
Brakes – Secondary	Dual Circuit Dual Circuit

Hydraulic System

Circuit Type	Parallel Parallel
Pump Type	Variable Piston Variable Piston
Pump Output	55.7 gal/min 210.0 L/min
Maximum System Pressure	3500.0 psi 24150.0 kPa
Reservoir Tank Capacity	15.85 gal 60.0 L
Standby Pressure	609.0 psi 4200.0 kPa

Operating Specifications

Top Speed – Forward	29.0 mph 46.6 km/h
Top Speed – Reverse	22.9 mph 36.8 km/h
Turning Radius, Outside Front Tires	24.9 ft 7.6 m
Steering Range – Left/Right	47.5° 47.5°
Articulation Angle – Left/Right	20° 20°
Forward – 1st	2.5 mph 4.1 km/h
Forward – 2nd	3.4 mph 5.5 km/h
Forward – 3rd	5.0 mph 8.0 km/h
Forward – 4th	6.9 mph 11.0 km/h
Forward – 5th	10.6 mph 17.1 km/h
Forward – 6th	14.5 mph 23.3 km/h
Forward – 7th	19.9 mph 32.0 km/h
Forward – 8th	29.0 mph 46.6 km/h
Reverse – 1st	2.0 mph 3.2 km/h
Reverse – 2nd	3.7 mph 6.0 km/h
Reverse – 3rd	5.4 mph 8.7 km/h
Reverse – 4th	8.4 mph 13.5 km/h
Reverse – 5th	15.7 mph 25.3 km/h
Reverse – 6th	22.9 mph 36.8 km/h

Service Refill

Fuel Capacity	110.0 gal 416.0 L
Cooling System	14.8 gal 56.0 L
Hydraulic System – Total	26.4 gal 100.0 L
Hydraulic System – Tank	16.9 gal 64.0 L
Engine Oil	7.9 gal 30.0 L
Transmission/Differential/Final Drives	17.2 gal 65.0 L
Tandem Housing (each)	16.9 gal 64.0 L
Front Wheel Spindle Bearing Housing	0.13 gal 0.5 L
Circle Drive Housing	1.8 gal 7.0 L

Frame

Drawbar – Width	3.0 in 76.2 mm
Circle – Diameter	60.2 in 1530.0 mm
Circle – Blade Beam Thickness	1.6 in 40.0 mm
Drawbar – Height	6.0 in 152.0 mm
Front Frame Structure – Height	12.6 in 321.0 mm
Front Frame Structure – Width	10.0 in 255.0 mm
Drawbar – Thickness	0.5 in 12.7 mm
Front-Top/Bottom Plate – Width	12.0 in 305.0 mm
Front-Top/Bottom Plate – Thickness	0.87 in 22.0 mm
Front Axle – Height to Center	23.6 in 600.0 mm
Front Axle – Wheel Lean, Left/Right	18° 18°
Front Axle – Total Oscillation per Side	32° 32°

Tandems

Height	19.9 in 506.0 mm
Width	8.3 in 210.0 mm
Sidewall Thickness – Inner	0.63 in 16.0 mm
Sidewall Thickness – Outer	0.71 in 18.0 mm
Drive Chain Pitch	2.0 in 50.8 mm
Wheel Axle Spacing	59.95 in 1522.8 mm
Tandem Oscillation – Front Up	15° 15°
Tandem Oscillation – Front Down	25° 25°

Moldboard

Blade Width	12.0 ft 3.7 m
Moldboard – Height	24.0 in 610.0 mm
Moldboard – Thickness	0.87 in 22.0 mm
Arc Radius	16.3 in 413.0 mm
Throat Clearance	6.5 in 166.0 mm
Cutting Edge – Width	6.0 in 152.0 mm
Cutting Edge – Thickness	0.6 in 16.0 mm
End Bit – Width	6.0 in 152.0 mm
End Bit – Thickness	0.6 in 16.0 mm
Blade Pull – Base GVW (AWD)	35439.0 lb 16057.0 kg
Blade Pull – Maximum GVW (AWD)	49381.0 lb 22399.0 kg
Blade Down Pressure – Base GVW (AWD)	17857.0 lb 8100.0 kg
Blade Down Pressure – Maximum GVW (AWD)	29196.0 lb 13243.0 kg

Blade Range

Circle Centershift – Right	28.7 in 728.0 mm
Circle Centershift – Left	27.4 in 695.0 mm
Moldboard Sideshift – Right	26.0 in 660.0 mm
Moldboard Sideshift – Left	20.1 in 510.0 mm
Maximum Blade Position Angle	90° 90°
Blade Tip Range – Forward	40° 40°
Blade Tip Range – Backward	5° 5°
Maximum Shoulder Reach Outside of Tires – Right	77.87 in 1978.0 mm
Maximum Shoulder Reach Outside of Tires – Left	70.5 in 1790.0 mm
Maximum Lift above Ground	18.9 in 480.0 mm
Maximum Depth of Cut	28.1 in 715.0 mm

Ripper

Ripper Shank Holder Spacing	21.0 in 533.0 mm
Ripping Depth – Maximum	16.8 in 426.0 mm
Ripper Shank Holders	5 5
Penetration Force	20693.0 lb 9386.0 kg
Pryout Force	27655.0 lb 12544.0 kg
Machine Length Increase, Beam Raised	40.6 in 1031.0 mm

Scarifier

Front, V-Type – Scarifier shank holder spacing	18.4 in 467.0 mm
Front, V-Type – Scarifier shank holders	5/11 5/11
Front, V-Type – Scarifying depth, maximum	40.6 in 1031.0 mm
Front, V-Type, 5 or 11 Tooth – Scarifier Shank Holder Spacing	4.6 in 116.0 mm
Front, V-Type, 5 or 11 Tooth – Scarifier Shank Holders	5/11 5/11
Front, V-Type, 5 or 11 Tooth – Scarifying Depth, Maximum	18.4 in 467.0 mm
Front, V-Type, 5 or 11 Tooth – Working Width	40.6 in 1031.0 mm
Front, V-Type: Working Width	47.4 in 1205.0 mm
Mid, V-Type – Scarifier Shank Holder Spacing	4.6 in 116.0 mm
Mid, V-Type – Scarifier Shank Holders	11 11
Mid, V-Type – Scarifying Depth, Maximum	11.5 in 292.0 mm
Mid, V-Type – Working Width	46.6 in 1184.0 mm
Rear – Ripping depth, maximum	16.8 in 426.0 mm
Rear – Scarifying Depth, Maximum	16.8 in 426.0 mm
Rear – Working Width	84.0 in 2133.0 mm
Rear – Scarifier Shank Holders	9 9
Rear – Scarifier Shank Holder Spacing	10.5 in 267.0 mm

Weights

Operating Weight – Typically Equipped	44349.0 lb 20116.0 kg
Gross Vehicle Weight – Maximum – Front Axle	17009.0 lb 7715.0 kg
Gross Vehicle Weight – Maximum – Rear Axle	37860.0 lb 17173.0 kg
Operating Weight, Typically Equipped – Front Axle	13040.0 lb 5915.0 kg
Operating Weight, Typically Equipped – Rear Axle	31309.0 lb 14201.0 kg
Gross Vehicle Weight – Base – Front Axle	10403.0 lb 4719.0 kg
Gross Vehicle Weight – Base – Rear Axle	28930.0 lb 13123.0 kg
Gross Vehicle Weight – Maximum – Total	54869.0 lb 24888.0 kg
Gross Vehicle Weight – Base – Total	39334.0 lb 17841.0 kg
Operating Weight, Typically Equipped – Total	44349.0 lb 20116.0 kg

Standards

Brakes	ISO 3450, ISO 10265 ISO 3450, ISO 10265
ROPS/FOPS	ISO 3471/ISO 3499 ISO 3471/ISO 3499
Sound	ISO 6394; ISO 6395 ISO 6394; ISO 6395
Steering	ISO 5010 ISO 5010