Caterpillar 12M Motor Grader

Motor Grader
Motor Grader
Motor Grader
Motor Grader
Motor Grader
Motor Grader
Units

Dimensions

Dimensions

A

Overall Length

27.85ft in

B

Width Over Tires

8.14ft in

D

Wheelbase

19.4ft in

E

Rear Ground Clearance

1.13ft in

G

Tandem Axle Wheelbase

4.96ft in

F

Front Ground Clearance

1.87ft in

H

Blade Base

8.24ft in

Height To Top Of Isomount Cab

10.75ft in

Length - Between Tandem Axles

59.5in

Length - Counterweight To Ripper

389.3in

Length - Front Axle To Mid Tandem

232.8in

Length - Front Axle To Moldboard

98.85in

Length - Front Tire To Rear Of Machine

334.1in

Height - Top Of Cylinders

113.7in

Height - Top Of Cab

10.75ft in

Height - Front Axle Center

22.5in

Height - Exhaust Stack

112.4in

Width - Outside Front Tires

97.7in

Width - Outside Rear Tires

97.7in

Width - Tire Center Lines

84.1in

Ground Clearance - Rear Axle

13.6in


Specifications

Ripper

Pry-Out Force

25972lb

Penetration Force

18911lb

Machine Length Increase, Beam Raised

39.2in

Engine

Number Of Cylinders

6

Net Power Gear 4-6

173hp

Engine Make

2236

Engine Model

C6.6 ACERT VHP

Frame

Front Frame Structure - Height

0.9ft in

Front Frame Structure - Width

0.9ft in

Front Frame Structure - Thickness

0.1ft in

Engine

Net Power Gear 1-2

163hp

Power Measured @

2000rpm

Net Power Gear 5-6

173hp

Max Power

173hp

Net Power Gears 7-8

173hp

Displacement

403cu in

Bore

4.2in

Stroke

5in

Engine Model

Cat C6.6 ACERT VHP

Derating Altitude

11500ft in

Maximum Torque

690lb ft

Base Power (1st Gear) - Net

158hp

Speed At Rated Power

2000 RPM

High - Ambient Capability

122degrees

High Ambient - Fan Speed - Maximum

1650 RPM

High Ambient - Fan Speed - Minimum

550 RPM

Vhp Plus Range - Net

118-144 kW (158-193 hp)

Frame

Circle - Diameter

60.2in

Drawbar - Height

6in

Front Axle - Height To Center

22.5in

Circle - Blade Beam Thickness

1.4in

Front Axle - Total Oscillation Per Side

32 degrees

Drawbar - Thickness

0.4in

Drawbar - Width

3in

Front Axle - Wheel Lean - Left/Right

18 degrees

Engine

Torque Rise - Vhp Plus

40%

Base Power (All Gears) - Net

158hp

Standard - Fan Speed - Maximum

1150 RPM

Standard - Fan Speed - Minimum

550 RPM

Standard - Ambient Capability

109degrees

Vhp Range - Net

118 -129 kW (158-173 hp)

Frame

Drawbar - Yoke Bar Thickness

0.8in

Operational

Std Operation Weight - Front Axle

8836lb

Std Operation Weight - Rear Axle

23180lb

Hydraulic System Fluid Capacity

16gal

Std Operation Weight - Total

32016lb

Max Operation Weight - Front Axle

15284lb

Max Operation Weight - Rear Axle

29406lb

Max Operation Weight - Total

44690lb

Fuel Capacity

90gal

Cooling System Fluid Capacity

10.4gal

Rear Diff/Final Drive Fluid Capacity

13.2gal

Circle Gearbox Fluid Capacity

1.8gal

Tandem Case Fluid Capacity (Each)

16.9gal

Power Train

Brakes - Parking

Multiple oil disc

Brakes - Service

Multiple oil-disc

Transmission

Direct drive, power shift, countershaft

Forward/Reverse Gears

8 Fwd / 6 Rev

Brakes - Secondary

Dual circuit control system

Brakes - Service - Surface Area

3565in2

Steering

Articulation Angle

20degrees

Turning Radius

24.5ft in

Transmission

Transmission Type

direct drive, power shift, countershaft

Number Of Gears - Forward

8

Number Of Gears - Reverse

6

Max Speed - Forward

27.7mph

Max Speed - Reverse

23.5mph

Front Axle

Wheel Lean

18degrees

Oscillation - Total

32degrees

Ground Clearance

1.9ft in

Weights

Gross Vehicle Weight - Base - Total

33064lb

Gross Vehicle Weight - Maximum - Total

44690lb

Gross Vehicle Weight - Base - Rear Axle

23145lb

Gross Vehicle Weight - Base - Front Axle

9919lb

Gross Vehicle Weight - Maximum - Front Axle

15954lb

Gross Vehicle Weight - Maximum - Rear Axle

48736lb

Hydraulic System

Standby Pressure

450 psi

Maximum System Pressure

3500 psi

Moldboard

Moldboard Width

12ft in

Moldboard Height

24in

Moldboard Thickness

0.9in

Max Depth Of Cut

28.3in

Side Shift Left

20.1in

Side Shift Right

26in

Blade Pull At Max Weight

26465lb

Blade Down Pressure

27066.2lb

Hydraulic System

Pump Type

Variable piston

Pump Flow

51gal/min

Relief Valve Pressure

3500psi

Circuit Type

Electro-hydraulic closed center, load sensing,

Pump Output

51 gal/min

Moldboard

Blade Width

12ft in

Arc Radius

16.3in

Throat Clearance

4.9in

Cutting Edge Width

6in

Cutting Edge Thickness

0.6in

End Bit - Width

6in

End Bit - Thickness

0.6in

Moldboard - Height

24in

Moldboard - Thickness

0.9in

Blade Pull - Maximum Gvw

25862lb

Blade Pull - Base Gvw

20830lb

Blade Down Pressure - Base Gvw

17566lb

Blade Down Pressure - Maximum Gvw

28254lb

Circle

Diameter

60.2in

Shift Left

25.8in

Shift Right

25.8in

Max Reach Outside Tires - Left

68.6in

Max Reach Outside Tires - Right

75in

Max Lift Above Ground

16.8in

Blade Tip Angle - Front

40degrees

Blade Tip Angle - Rear

5degrees

Operating Specifications

Top Speed - Forward

27.7mph

Top Speed - Reverse

23.5mph

Turning Radius - Outside Front Tires

24.5ft in

Steering Range - Left/Right

47.5 degrees

Articulation Angle - Left/Right

20 degrees

Forward - 8th

27.7mph

Forward - 7th

19mph

Forward - 6th

13.8mph

Forward - 5th

10.2mph

Forward - 4th

6.5mph

Forward - 3rd

4.8mph

Forward - 2nd

3.3mph

Forward - 1st

2.4mph

Reverse - 6th

23.5mph

Reverse - 5th

16.1mph

Reverse - 4th

8.6mph

Reverse - 3rd

5.6mph

Reverse - 2nd

3.8mph

Reverse - 1st

2mph

Standards

Brakes

ISO 3450:1996

Rops/Fops

ISO 3471:1992 / ISO 3449:1992

Sound

ISO 6394:1998 / ISO 6395:1988

Steering

ISO 5010:1992

Service Refill

Cooling System

10.4gal

Engine Oil

4.1gal

Hydraulic System - Tank

16gal

Tandem Housing - Each

16.9gal

Circle Drive Housing

1.8gal

Front Wheel Spindle Bearing Housing

0.1gal

Fuel Capacity

90gal

Transmission - Differential - Final Drives

13.2gal

Blade Range

Circle Centershift - Right

25.8in

Circle Centershift - Left

25.8in

Moldboard Sideshift - Right

26in

Moldboard Sideshift - Left

20.1in

Blade Tip Range - Forward

40 degrees

Blade Tip Range - Backward

5 degrees

Maximum Shoulder Reach Outside Of Tires - Right

75in

Maximum Shoulder Reach Outside Of Tires - Left

68.6in

Maximum Lift Above Ground

16.8in

Maximum Depth Of Cut

28.3in

Maximum Blade Position Angle

90 degrees

Scarifier

Rear - Scarifier Shank Holders

9

Mid, V-Type - Scarifier Shank Holders

11

Front, V-Type, 5 Or 11 Tooth - Working Width

47.4in

Front, V-Type, 5 Or 11 Tooth - Scarifying Depth, Maximum

18.4in

Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holders

5 / 11

Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holder Spacing

4.6in

Mid, V-Type - Working Width

46.6in

Mid, V-Type - Scarifying Depth, Maximum

11.5in

Mid, V-Type - Scarifier Shank Holder Spacing

4.6in

Rear - Working Width

91in

Rear - Scarifying Depth, Maximum

10.5in

Rear - Scarifier Shank Holder Spacing

10.5in

Mid, Straight - Working Width

71in

Mid, Straight - Scarifier Shank Holder Spacing

4.4in

Mid, Straight - Scarifier Shank Holders

17

Mid, Straight - Scarifying Depth, Maximum

12.5in

Tandems

Height

19.8in

Width

6.8in

Sidewall Thickness - Inner

0.5in

Sidewall Thickness - Outer

0.6in

Drive Chain Pitch

1.8in

Wheel Axle Spacing

59.5in

Tandem Oscillation - Front Up

15 degrees

Tandem Oscillation - Front Down

25 degrees


Compare similar models

Manufacturer/Model

Max Power

Moldboard Width

Std Operation Weight - Total

Max Power

175 hp

Moldboard Width

12.1 ft in

Std Operation Weight - Total

31605.5 lb

Max Power

175 hp

Moldboard Width

12.1 ft in

Std Operation Weight - Total

32487.4 lb

Max Power

163 hp

Moldboard Width

12 ft in

Std Operation Weight - Total

31967 lb

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