The Caterpillar 140M3 is a motor grader designed for road construction, maintenance, and grading applications. It is part of Caterpillar's M Series grader lineup and is used for shaping surfaces, maintaining haul roads, ditching, snow removal, and fine grading work. The 140M3 typically features a diesel engine, articulated frame, hydraulic blade controls, and a cab configured for operator visibility and control. It is commonly used in municipal, mining, and construction fleets where precision grading and reliable performance are required. The model is associated with Caterpillar's focus on durability, serviceability, and compatibility with grading attachments and site work demands.
Air Conditioning System
Caterpillar 140M3 Motor Grader Air Conditioning System specifications
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
Blade Range
Caterpillar 140M3 Motor Grader Blade Range specifications
Blade Tip Range - Backward
5 degrees
Blade Tip Range - Forward
40 degrees
Circle Centershift - Left
27.40 in (69.60 cm)
Circle Centershift - Right
28.70 in (72.90 cm)
Maximum Blade Position Angle
90 degrees
Maximum Depth Of Cut
28.10 in (71.37 cm)
Maximum Lift Above Ground
18.90 in (48.01 cm)
Maximum Shoulder Reach Outside Of Tires - Left
70.50 in (179.07 cm)
Maximum Shoulder Reach Outside Of Tires - Right
77.90 in (197.87 cm)
Moldboard Sideshift - Left
20.10 in (51.05 cm)
Moldboard Sideshift - Right
26.00 in (66.04 cm)
Dimensions
Caterpillar 140M3 Motor Grader Dimensions specifications
Ground Clearance - Rear Axle
13.30 in (33.78 cm)
Height
10.67 ft (3.25 m)
Height - Exhaust Stack
128.00 in (325.12 cm)
Height - Front Axle Center
23.50 in (59.69 cm)
Height - Top Of Cab
130.00 ft (39.62 m)
Height - Top Of Cylinders
120.00 in (304.80 cm)
Length
31.00 ft (9.45 m)
Length - Between Tandem Axles
60.00 in (152.40 cm)
Length - Counterweight To Ripper
399.00 in (1,013.46 cm)
Length - Front Axle To Mid Tandem
241.00 in (612.14 cm)
Length - Front Axle To Moldboard
100.00 in (254.00 cm)
Length - Front Tire To Rear Of Machine
351.00 in (891.54 cm)
Weight
42,650.00 lbs (19,345.74 kg)
Width
10.17 ft (3.10 m)
Width - Outside Front Tires
98.90 in (251.21 cm)
Width - Outside Rear Tires
98.90 in (251.21 cm)
Width - Tire Center Lines
84.30 in (214.12 cm)
Engine
Caterpillar 140M3 Motor Grader Engine specifications
Base Power (1st Gear) - Net
200.00 hp (149.14 kw)
Base Power (1st Gear) - Net - Metric
202.00 hp (150.63 kw)
Bore
4.50 in (11.43 cm)
Derating Altitude
10,000.00 ft (3,048.00 m)
Displacement
567.50 cu in (9,299.68 cu cm)
Emissions
U.S. EPA Tier 4 Final/EU Stage IV
Engine Model
Cat C9.3 ACERT
High - Ambient Capability
122 degrees
High Ambient - Fan Speed - Maximum
1,550 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High Ambient - Fan Speed - Standard
1,400 rpm
Maximum Torque - Vhp Plus
920.00 lbs ft (1,247.34 nm)
Number Of Cylinders
6
Speed At Rated Power
2,000 rpm
Standard Capability
109 degrees
Stroke
5.90 in (14.99 cm)
Torque Rise
39 %
Vhp Plus - Gear - Net Power - Forward 1st
200.00 hp (149.14 kw)
Vhp Plus - Gear - Net Power - Forward 2nd
210.00 hp (156.60 kw)
Vhp Plus - Gear - Net Power - Forward 3rd
220.00 hp (164.06 kw)
Vhp Plus - Gear - Net Power - Forward 4th
231.00 hp (172.26 kw)
Vhp Plus - Gear - Net Power - Forward 5th
236.00 hp (175.99 kw)
Vhp Plus - Gear - Net Power - Forward 6th
241.00 hp (179.72 kw)
Vhp Plus - Gear - Net Power - Forward 7th
247.00 hp (184.19 kw)
Vhp Plus - Gear - Net Power - Forward 8th
252.00 hp (187.92 kw)
Vhp Plus - Gear - Net Power - Reverse 1st
200.00 hp (149.14 kw)
Vhp Plus - Gear - Net Power - Reverse 2nd
210.00 hp (156.60 kw)
Vhp Plus - Gear - Net Power - Reverse 3rd-6th
220.00 hp (164.06 kw)
Vhp Plus Range - Net
149-188 kW (200-252 hp)
Vhp Plus Range - Net - Metric
149-188 kW (202-255 hp)
Frame
Caterpillar 140M3 Motor Grader Frame specifications
Circle - Blade Beam Thickness
1.60 in (4.06 cm)
Circle - Diameter
60.20 in (152.91 cm)
Circle - Height
5.40 in (13.72 cm)
Drawbar - Height
6.00 in (15.24 cm)
Drawbar - Thickness
0.50 in (1.27 cm)
Drawbar - Width
3.00 in (7.62 cm)
Front Axle - Height To Center
23.50 in (59.69 cm)
Front Axle - Total Oscillation Per Side
32 degrees
Front Axle - Wheel Lean - Left/Right
18 degrees
Front Frame Structure - Height
12.60 ft (3.84 m)
Front Frame Structure - Width
12.00 ft (3.66 m)
Front-Top/Bottom Plate - Thickness
0.90 in (2.29 cm)
Front-Top/Bottom Plate - Width
12.00 in (30.48 cm)
Hydraulic System
Caterpillar 140M3 Motor Grader Hydraulic System specifications
Circuit Type
Parallel
Maximum System Pressure
3500 psi
Pump Output
55.70 gpm (210.82 lpm)
Pump Type
Variable Piston
Reservoir Tank Capacity
16.90 gal (63.97 l)
Standby Pressure
885 psi
Moldboard
Caterpillar 140M3 Motor Grader Moldboard specifications
Arc Radius
16.30 in (41.40 cm)
Blade Down Pressure - Base Gvw
16,480.00 lbs (7,475.21 kg)
Blade Down Pressure - Maximum Gvw
29,308.00 lbs (13,293.90 kg)
Blade Pull - Base Gvw
25,732.00 lbs (11,671.85 kg)
Blade Pull - Maximum Gvw
34,262.00 lbs (15,541.00 kg)
Blade Width
12.00 ft (3.66 m)
Cutting Edge Thickness
0.60 in (1.52 cm)
Cutting Edge Width
6.00 in (15.24 cm)
End Bit - Thickness
0.60 in (1.52 cm)
End Bit - Width
6.00 in (15.24 cm)
Moldboard - Blade Width
12.00 ft (3.66 m)
Moldboard - Height
24.00 in (60.96 cm)
Moldboard - Thickness
0.90 in (2.29 cm)
Throat Clearance
6.50 in (16.51 cm)
Operating Specifications
Caterpillar 140M3 Motor Grader Operating Specifications specifications
Articulation Angle - Left/Right
20 degrees
Forward - 1st
2.50 mph (4.02 kph)
Forward - 2nd
3.40 mph (5.47 kph)
Forward - 3rd
5.00 mph (8.05 kph)
Forward - 4th
6.90 mph (11.10 kph)
Forward - 5th
10.60 mph (17.06 kph)
Forward - 6th
14.50 mph (23.34 kph)
Forward - 7th
19.90 mph (32.03 kph)
Forward - 8th
29.00 mph (46.67 kph)
Reverse - 1st
2.00 mph (3.22 kph)
Reverse - 2nd
3.70 mph (5.95 kph)
Reverse - 3rd
5.40 mph (8.69 kph)
Reverse - 4th
8.40 mph (13.52 kph)
Reverse - 5th
15.70 mph (25.27 kph)
Reverse - 6th
23.00 mph (37.01 kph)
Steering Range - Left/Right
50 degrees
Top Speed - Forward
29.00 mph (46.67 kph)
Top Speed - Reverse
23.00 mph (37.01 kph)
Turning Radius - Outside Front Tires
25.60 ft (7.80 m)
Power Train
Caterpillar 140M3 Motor Grader Power Train specifications
Brakes - Parking
Multiple Oil Disc
Brakes - Secondary
Dual Circuit
Brakes - Service
Multiple Oil Disc
Brakes - Service - Surface Area
3565 in2
Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
APECS, Direct Drive, Powershift
Ripper
Caterpillar 140M3 Motor Grader Ripper specifications
Machine Length Increase, Beam Raised
40.60 in (103.12 cm)
Penetration Force
20,812.00 lbs (9,440.18 kg)
Pry-Out Force
27,794.00 lbs (12,607.16 kg)
Ripper Shank Holder Spacing
21.00 in (53.34 cm)
Ripper Shank Holders
5
Ripping Depth - Maximum
16.80 in (42.67 cm)
Scarifier
Caterpillar 140M3 Motor Grader Scarifier specifications
