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Caterpillar 140M Motor Grader

The Caterpillar 140M is a motor grader designed for road construction, maintenance, and grading applications. It is part of Caterpillar's M Series grader line and is commonly used for shaping surfaces, ditching, snow removal, and fine grading on highways, municipal roads, and site preparation projects. The 140M features a front-mounted engine, articulated frame, and centrally located cab for visibility and control. It is typically equipped with a moldboard, circle, and scarifier options depending on configuration. The model is known for balanced maneuverability, hydraulic control, and compatibility with a range of grading attachments and worksite conditions.


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Blades

Blade Tip Range - Backward5 degrees
Blade Tip Range - Forward40 degrees
Circle Centershift - Left27.40 in (69.60 cm)
Circle Centershift - Right28.70 in (72.90 cm)
Maximum Blade Position Angle90 degrees
Maximum Depth of Cut28.10 in (71.37 cm)
Maximum Lift Above Ground18.90 in (48.01 cm)
Maximum Shoulder Reach Outside of Tires - Left70.50 in (179.07 cm)
Maximum Shoulder Reach Outside of Tires - Right77.90 in (197.87 cm)
Moldboard Sideshift - Left20.10 in (51.05 cm)
Moldboard Sideshift - Right26.00 in (66.04 cm)

Circle

Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees
Diameter60.20 in (152.91 cm)
Max Reach Outside Tires - Left70.50 in (179.07 cm)
Max Reach Outside Tires - Right77.90 in (197.87 cm)
Shift Left27.40 in (69.60 cm)
Shift Right28.70 in (72.90 cm)

Dimensions

Blade Base8.40 ft (2.56 m)
Front Ground Clearance1.90 ft (0.58 m)
Ground Clearance - Rear Axle13.30 in (33.78 cm)
Height - Exhaust Stack121.00 in (307.34 cm)
Height - Front Axle Center23.50 in (59.69 cm)
Height - Top of Cab130.00 ft (39.62 m)
Height - Top of Cylinders119.00 in (302.26 cm)
Height to Top of Isomount Cab10.80 ft (3.29 m)
Length - Between Tandem Axles60.00 in (152.40 cm)
Length - Front Axle to Mid Tandem241.00 in (612.14 cm)
Length - Front Axle to Moldboard100.00 in (254.00 cm)
Length - Front Tire to Rear of Machine344.00 in (873.76 cm)
Overall Length28.60 ft (8.72 m)
Rear Ground Clearance1.20 ft (0.37 m)
Tandem Axle Wheelbase5.00 ft (1.52 m)
Wheelbase20.10 ft (6.13 m)
Width - Outside Front Tires98.00 in (248.92 cm)
Width - Outside Rear Tires98.00 in (248.92 cm)
Width - Tire Center Lines84.00 in (213.36 cm)
Width Over Tires8.20 ft (2.50 m)

Engine

Base Power (1st Gear) - Net183.00 hp (136.47 kw)
Base Power (1st Gear) - Net - Metric186.00 hp (138.70 kw)
Bore4.30 in (10.92 cm)
Derating Altitude10,000.00 ft (3,048.00 m)
Displacement439.00 cu in (7,193.94 cu cm)
EmissionsEmissions equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Engine ModelCat C7 ACERT
High - Ambient Capability122 degrees
High Ambient - Fan Speed - Maximum1650 rpm
High Ambient - Fan Speed - Minimum600 rpm
Max Power183.00 hp (136.47 kw)
Net Power Gears 7-8183.00 hp (136.47 kw)
Number of Cylinders6
Power Measured @2000 rpm
Speed at Rated Power2000 rpm
Standard - Ambient Capability109 degrees
Standard - Fan Speed - Maximum1450 rpm
Standard - Fan Speed - Minimum600 rpm
Stroke5.00 in (12.70 cm)
Torque Rise - V Plus39%
V Plus Range - Net136-174 kW (183-233)
V Plus Range - Net - Metric136-174 kW (186-237)

Frame

Circle - Blade Beam Thickness1.60 in (4.06 cm)
Circle - Diameter60.20 in (152.91 cm)
Drawbar - Height6.00 in (15.24 cm)
Drawbar - Width3.00 in (7.62 cm)
Front Axle - Height to Center23.00 in (58.42 cm)
Front Axle - Total Oscillation per Side32 degrees
Front Axle - Wheel Lean - Left/Right18 degrees
Front Frame Structure - Height12.00 ft (3.66 m)
Front Frame Structure - Width12.00 ft (3.66 m)

Front Axle

Ground Clearance1.90 ft (0.58 m)
Oscillation - Total32 degrees
Wheel Lean18 degrees

Hydraulic System

Circuit TypeElectro-hydraulic load sensing closed center
Maximum System Pressure3500 psi
Pump Flow55.70 gpm (210.82 lpm)
Pump Output55.70 gpm (210.82 lpm)
Pump TypeVariable piston
Relief Valve Pressure3500 psi
Standby Pressure450 psi

Moldboard

Arc Radius16.30 in (41.40 cm)
Blade Pull - Base GVW24,294.00 lbs (11,019.59 kg)
Blade Pull - Maximum GVW31,758.00 lbs (14,405.20 kg)
Blade Pull at Max Weight45,787.80 lbs (20,769.02 kg)
Blade Width12.00 ft (3.66 m)
Cutting Edge Thickness0.60 in (1.52 cm)
Cutting Edge Width6.00 in (15.24 cm)
End Bit - Thickness0.60 in (1.52 cm)
End Bit - Width6.00 in (15.24 cm)
Max Depth of Cut28.10 in (71.37 cm)
Moldboard - Height24.00 in (60.96 cm)
Moldboard - Thickness0.90 in (2.29 cm)
Moldboard - Width12.00 ft (3.66 m)
Moldboard Height24.00 in (60.96 cm)
Moldboard Length12.00 ft (3.66 m)
Moldboard Thickness0.90 in (2.29 cm)
Moldboard Width12.00 ft (3.66 m)
Side Shift Left20.10 in (51.05 cm)
Side Shift Right26.00 in (66.04 cm)
Throat Clearance6.50 in (16.51 cm)

Operating Specifications

Articulation Angle - Left/Right20 degrees
Circle Gearbox Fluid Capacity1.80 gal (6.81 l)
Cooling System Fluid Capacity12.40 gal (46.93 l)
Forward - 1st2.50 mph (4.02 kph)
Forward - 2nd3.40 mph (5.47 kph)
Forward - 3rd5.00 mph (8.05 kph)
Forward - 4th6.80 mph (10.94 kph)
Forward - 5th10.60 mph (17.06 kph)
Forward - 6th14.50 mph (23.34 kph)
Forward - 7th19.90 mph (32.03 kph)
Forward - 8th29.00 mph (46.67 kph)
Fuel Capacity110.00 gal (416.35 l)
Hydraulic System Fluid Capacity15.90 gal (60.18 l)
Max Operation Weight - Front Axle17,908.00 lbs (8,122.94 kg)
Max Operation Weight - Rear Axle32,967.00 lbs (14,953.60 kg)
Max Operation Weight - Total50,875.00 lbs (23,076.54 kg)
Operating Weight33,356.00 lbs (15,130.05 kg)
Rear Diff/Final Drive Fluid Capacity17.20 gal (65.10 l)
Reverse - 1st2
Reverse - 2nd3.70 mph (5.95 kph)
Reverse - 3rd5.40 mph (8.69 kph)
Reverse - 4th8.40 mph (13.52 kph)
Reverse - 5th15.70 mph (25.27 kph)
Reverse - 6th22.90 mph (36.85 kph)
Std Operation Weight - Front Axle9,173.00 lbs (4,160.81 kg)
Std Operation Weight - Rear Axle24,183.00 lbs (10,969.24 kg)
Std Operation Weight - Total33,356.00 lbs (15,130.05 kg)
Steering Range - Left/Right47.5 degrees
Tandem Case Fluid Capacity (each)16.90 gal (63.97 l)
Top Speed - Forward29.00 mph (46.67 kph)
Top Speed - Reverse22.90 mph (36.85 kph)
Turning Radius - Outside Front Tires25.00 ft (7.62 m)

Power Train

Brakes - ParkingMultiple oil disc
Brakes - SecondaryDual circuit control system
Brakes - ServiceMultiple oil disc
Brakes - Service - Surface Area3,565.00 cu in (58,420.01 cu cm)
Forward/Reverse Gears8 Forward/6 Reverse
TransmissionDirect drive power shift countershaft

Ripper

Machine Length Increase, Beam Raised36.20 in (91.95 cm)
Penetration Force20,540.00 lbs (9,316.80 kg)
Pry-Out Force26,259.00 lbs (11,910.90 kg)
Ripper Shank Holder Spacing21.00 in (53.34 cm)
Ripper Shank Holders5
Ripping Depth - Maximum16.80 in (42.67 cm)

Scarifier

Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing4.60 in (11.68 cm)
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum18.40 in (46.74 cm)
Front, V-Type, 5 or 11 Tooth - Working Width47.40 in (120.40 cm)
Mid, V-Type - Scarifier Shank Holder Spacing4.60 in (11.68 cm)
Mid, V-Type - Scarifier Shank Holders11
Mid, V-Type - Scarifying Depth, Maximum11.50 in (29.21 cm)
Mid, V-Type - Working Width46.60 in (118.36 cm)
Rear - Scarifier Shank Holder Spacing10.50 in (26.67 cm)
Rear - Scarifier Shank Holders9
Rear - Scarifying Depth, Maximum10.50 in (26.67 cm)
Rear - Working Width91.00 in (231.14 cm)

Service Refill

Circle Drive Housing1.80 gal (6.81 l)
Cooling System10.60 gal (40.12 l)
Engine Oil6.60 gal (24.98 l)
Front Wheel Spindle Bearing Housing0.20 gal (0.76 l)
Fuel Capacity110.00 gal (416.35 l)
Hydraulic System - Tank16.90 gal (63.97 l)
Tandem Housing - Each16.90 gal (63.97 l)
Transmission - Differential - Final Drives16.90 gal (63.97 l)

Standards

BrakesISO 3450:1996
ROPS/FOPSISO 3471:2008 ISO 3449:2005 Level II
SoundISO 6394:2008 ISO 6395:2008
SteeringISO 5010:2007

Steering System

Articulation Angle20 degrees
Turning Radius25.50 ft (7.77 m)

Tandems

Drive Chain Pitch2.00 in (5.08 cm)
Height19.90 in (50.55 cm)
Sidewall Thickness - Inner0.60 in (1.52 cm)
Sidewall Thickness - Outer0.70 in (1.78 cm)
Tandem Oscillation - Front Down25 degrees
Tandem Oscillation - Front Up15 degrees
Wheel Axle Spacing60.00 in (152.40 cm)
Width7.90 in (20.07 cm)

Transmission

Max Speed - Forward29.00 mph (46.67 kph)
Max Speed - Reverse22.90 mph (36.85 kph)
Number of Gears - Forward8
Number of Gears - Reverse6
Transmission Typedirect drive power shift countershaft

Weights

Gross Vehicle Weight - Base - Front Axle9,561.00 lbs (4,336.80 kg)
Gross Vehicle Weight - Base - Rear Axle26,993.00 lbs (12,243.83 kg)
Gross Vehicle Weight - Base - Total36,554.00 lbs (16,580.64 kg)
Gross Vehicle Weight - Maximum - Front Axle16,606.00 lbs (7,532.36 kg)
Gross Vehicle Weight - Maximum - Rear Axle35,287.00 lbs (16,005.93 kg)
Gross Vehicle Weight - Maximum - Total51,893.00 lbs (23,538.30 kg)
Gross Vehicle Weight - Typically Equipped41,868.00 lbs (18,991.03 kg)
Gross Vehicle Weight - Typically Equipped - Front Axle11,716.00 lbs (5,314.29 kg)
Gross Vehicle Weight - Typically Equipped - Total41,868.00 lbs (18,991.03 kg)
Operating Weight - Typically Equipped41,868.00 lbs (18,991.03 kg)

  • Caterpillar 140Ms currently for sale
  • A 2011 Caterpillar 140M From Korpan Tractor for $100,424.00 USD
  • A 2010 Caterpillar 140M From Korpan Tractor for $114,568.00 USD
  • A 2009 Caterpillar 140M From T-K-O Equipment Co. for $110,000.00 USD
  • A Caterpillar 140M From Ohio CAT for $247,000.00 USD
  • A 2011 Caterpillar 140M From Ritchie Bros. Auctioneers for Auction Pricing



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