Caterpillar 140M3 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Caterpillar ➔
Model: 140M3 ➔

The Caterpillar 140M3 is a motor grader designed for road construction, maintenance, and fine grading applications. It is part of Caterpillar's M Series grader lineup and is commonly used for shaping surfaces, ditching, snow removal, and maintaining gravel or paved roads. The 140M3 typically features a front-mounted engine, articulated frame, and moldboard control system for precise blade positioning. It is used in municipal, highway, mining, and site preparation work. The model is known for its balance of visibility, control, and grading performance, making it suitable for operators requiring accurate surface finishing and consistent material handling in demanding field conditions.

General Specifications

Caterpillar 140M3 Motor Grader General Specifications specifications
Base Power - Net	200.00 hp (149.00 kW) - Starting 2015
Diesel Exhaust Fluid Capacity	5.80 US gal (22.00 L) - Starting 2015
Displacement	567.00 cu in (9.30 L) - Starting 2015
Electrical - Std. Alternator	150 - Starting 2015
Electrical - Std. Battery CCA @ 0° F	1125 - Starting 2015
Electrical - System Size	24V - Starting 2015
Engine Model	C9.3 ACERT - Starting 2015
Front Axle/Steering - Articulation Angle	20 deg - Starting 2015
Front Axle/Steering - Minimum Turning Radius	298.00 in (7.60 m) - Starting 2015
Front Axle/Steering - Minimum Turning Radius**	298.00 in (7.60 m) - Starting 2018
Front Axle/Steering - Oscillation Angle	32 deg - Starting 2015
Front Axle/Steering - Steering Angle	47.5 deg - Starting 2015
Front Axle/Steering - Wheel Lean Angle	18.0 deg - Starting 2015
Fuel Tank Capacity	104.00 US gal (394.00 L) - Starting 2015
GENERAL DIMENSIONS - Blade Base	100.50 in (2,552.00 mm) - Starting 2015
GENERAL DIMENSIONS - Height (to top of ROPS)	130.20 in (3,308.00 mm) - Starting 2015
GENERAL DIMENSIONS - Lift Above Ground	18.90 in (480.00 mm) - Starting 2015
GENERAL DIMENSIONS - Overall Length	350.90 in (8,912.00 mm) - Starting 2015
GENERAL DIMENSIONS - Overall Width - (at top of front tires)	98.90 in (2,511.00 mm) - Starting 2015
GENERAL DIMENSIONS - Standard Blade: Height	24.00 in (610.00 mm) - Starting 2015
GENERAL DIMENSIONS - Standard Blade: Length	144.00 in (3,658.00 mm) - Starting 2015
GENERAL DIMENSIONS - Standard Blade: Thickness	0.87 in (22.00 mm) - Starting 2015
GENERAL DIMENSIONS - Wheelbase	241.10 in (6,123.00 mm) - Starting 2015
GENERAL DIMENSIONS - With Ripper and Pushplate	399.10 in (10,136.00 mm) - Starting 2015
Hydraulics - Implement Pressure: Max.	3,500.00 psi (24,150.00 kPa) - Starting 2015
Hydraulics - Implement Pressure: Min.	885.00 psi (6,100.00 kPa) - Starting 2015
Hydraulics - Max. Pump Flow	55.70 US gpm (210.00 L/min) - Starting 2015
Hydraulics - Pump Type	Variable Piston - Starting 2015
Hydraulics - Tank Capacity	16.90 US gal (64.00 L) - Starting 2015
Interior Sound Level/SAE J919	71 dB(A - Starting 2015
Max. Shoulder Reach: - Frame Straight - left	70.50 in (1,790.00 mm) - Starting 2015
Max. Shoulder Reach: - Frame Straight - right	77.90 in (1,978.00 mm) - Starting 2015
Max. Shoulder Reach:*** - Frame Straight - Left	70.50 in (1,790.00 mm) - Starting 2018
Max. Shoulder Reach:*** - Frame Straight - Right	77.90 in (1,978.00 mm) - Starting 2018
Max. Torque	920.00 lb-ft (1,247.00 N-m) - Starting 2015
No. Circle Support Shoes	6 - Starting 2015
No. of Cylinders	6 - Starting 2015
No. of Speeds Forward/Reverse	8/6 - Starting 2015
Operating Weight (Typical)	38,191.00 lbs (17,323.00 kg) - Starting 2015
Operating Weight (Typical)*	38,191.00 lbs (17,323.00 kg) - Starting 2018
Rated Engine RPM	2000 rpm - Starting 2015
Std. Tires - Front and Rear	14.00R24 (G-2 - Starting 2015
Top Speed: Forward	29.00 mph (46.60 km/h) - Starting 2015
Top Speed: Reverse	23.00 mph (36.80 km/h) - Starting 2015
VHP Plus Range - Net	200.00-252.00 hp (149.00-188.00 kW)

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
Front, V-Type - Working Width	47.40 in (120.40 cm)
Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holder Spacing	4.60 in (11.68 cm)
Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holders	5/11
Front, V-Type, 5 Or 11 Tooth - Scarifying Depth, Maximum	18.40 in (46.74 cm)
Front, V-Type, 5 Or 11 Tooth - Working Width	40.60 in (103.12 cm)
Mid, V-Type - Scarifier Shank Holder Spacing	4.60 in (11.68 cm)
Mid, V-Type - Scarifier Shank Holders	11
Mid, V-Type - Scarifying Depth, Maximum	11.50 in (29.21 cm)
Mid, V-Type - Working Width	46.60 in (118.36 cm)
Rear - Scarifier Shank Holder Spacing	10.50 in (26.67 cm)
Rear - Scarifier Shank Holders	9
Rear - Scarifying Depth, Maximum	16.80 in (42.67 cm)
Rear - Working Width	84.00 in (213.36 cm)

Service Refill

Caterpillar 140M3 Motor Grader Service Refill specifications
Circle Drive Housing	1.80 gal (6.81 l)
Cooling System	15.00 gal (56.78 l)
Diesel Exhaust Fluid	5.80 gal (21.95 l)
Engine Oil	7.90 gal (29.90 l)
Front Wheel Spindle Bearing Housing	0.20 gal (0.76 l)
Fuel Capacity	104.00 gal (393.64 l)
Hydraulic System - Tank	16.90 gal (63.97 l)
Hydraulic System - Total	26.40 gal (99.92 l)
Tandem Housing - Each	20.00 gal (75.70 l)
Transmission - Differential - Final Drives	18.50 gal (70.02 l)

Standards

Caterpillar 140M3 Motor Grader Standards specifications
Brakes	ISO 3450
Rops/Fops	ISO 3471/ISO 3499
Sound	ISO 6394; ISO 6395
Steering	ISO 5010

Tandems

Caterpillar 140M3 Motor Grader Tandems specifications
Drive Chain Pitch	2.00 in (5.08 cm)
Height	19.90 in (50.55 cm)
Sidewall Thickness - Inner	0.70 in (1.78 cm)
Sidewall Thickness - Outer	0.80 in (2.03 cm)
Tandem Oscillation - Front Down	25 degrees
Tandem Oscillation - Front Up	15 degrees
Wheel Axle Spacing	60.00 in (152.40 cm)
Width	7.90 in (20.07 cm)

Weights

Caterpillar 140M3 Motor Grader Weights specifications
Gross Vehicle Weight - Base - Front Axle	9,601.00 lbs (4,354.95 kg)
Gross Vehicle Weight - Base - Rear Axle	28,590.00 lbs (12,968.22 kg)
Gross Vehicle Weight - Base - Total	38,191.00 lbs (17,323.17 kg)
Gross Vehicle Weight - Maximum - Front Axle	17,075.00 lbs (7,745.10 kg)
Gross Vehicle Weight - Maximum - Rear Axle	38,069.00 lbs (17,267.83 kg)
Gross Vehicle Weight - Maximum - Total	55,144.00 lbs (25,012.93 kg)
Operating Weight - Typically Equipped	43,950.00 lbs (19,935.41 kg)
Operating Weight - Typically Equipped - Front Axle	12,549.00 lbs (5,692.14 kg)
Operating Weight - Typically Equipped - Rear Axle	31,401.00 lbs (14,243.27 kg)
Operating Weight - Typically Equipped - Total	43,950.00 lbs (19,935.41 kg)