- Category: Motor Graders ➔
- Manufacturer: Caterpillar ➔
- Model: 140M ➔
The Caterpillar 140M is a motor grader designed for road construction, maintenance, and grading applications. It is part of Caterpillar's M Series lineup and is commonly used for shaping surfaces, fine grading, ditching, and snow removal. The 140M features a front-mounted moldboard, articulated frame, and operator controls intended for precise blade positioning and material control. It is typically equipped with a diesel engine, hydraulic systems, and all-wheel drive options depending on configuration. The model is used in municipal, highway, mining, and site preparation work where accurate grading and reliable performance are required.
Blades
| Blade Tip Range - Backward | 5 degrees
|
| Blade Tip Range - Forward | 40 degrees
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| Circle Centershift - Left | 27 in (70 cm)
|
| Circle Centershift - Right | 29 in (73 cm)
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| Maximum Blade Position Angle | 90 degrees
|
| Maximum Depth of Cut | 28 in (71 cm)
|
| Maximum Lift Above Ground | 19 in (48 cm)
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| Maximum Shoulder Reach Outside of Tires - Left | 71 in (179 cm)
|
| Maximum Shoulder Reach Outside of Tires - Right | 78 in (198 cm)
|
| Moldboard Sideshift - Left | 20 in (51 cm)
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| Moldboard Sideshift - Right | 26 in (66 cm)
|
Circle
| Blade Tip Angle - Front | 40 degrees
|
| Blade Tip Angle - Rear | 5 degrees
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| Diameter | 60 in (153 cm)
|
| Max Reach Outside Tires - Left | 71 in (179 cm)
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| Max Reach Outside Tires - Right | 78 in (198 cm)
|
| Shift Left | 27 in (70 cm)
|
| Shift Right | 29 in (73 cm)
|
Dimensions
| Blade Base | 8 ft (3 m)
|
| Front Ground Clearance | 2 ft (1 m)
|
| Ground Clearance - Rear Axle | 13 in (34 cm)
|
| Height - Exhaust Stack | 121 in (307 cm)
|
| Height - Front Axle Center | 24 in (60 cm)
|
| Height - Top of Cab | 130 ft (40 m)
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| Height - Top of Cylinders | 119 in (302 cm)
|
| Height to Top of Isomount Cab | 11 ft (3 m)
|
| Length - Between Tandem Axles | 60 in (152 cm)
|
| Length - Front Axle to Mid Tandem | 241 in (612 cm)
|
| Length - Front Axle to Moldboard | 100 in (254 cm)
|
| Length - Front Tire to Rear of Machine | 344 in (874 cm)
|
| Overall Length | 29 ft (9 m)
|
| Rear Ground Clearance | 1 ft (0 m)
|
| Tandem Axle Wheelbase | 5 ft (2 m)
|
| Wheelbase | 20 ft (6 m)
|
| Width - Outside Front Tires | 98 in (249 cm)
|
| Width - Outside Rear Tires | 98 in (249 cm)
|
| Width - Tire Center Lines | 84 in (213 cm)
|
| Width Over Tires | 8 ft (2 m)
|
Engine
| Base Power (1st Gear) - Net | 183 hp (136 kw)
|
| Base Power (1st Gear) - Net - Metric | 186 hp (139 kw)
|
| Bore | 4 in (11 cm)
|
| Derating Altitude | 10,000 ft (3,048 m)
|
| Displacement | 439 cu in (7,194 cu cm)
|
| Emissions | Emissions equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
|
| Engine Model | Cat C7 ACERT
|
| High - Ambient Capability | 122 degrees
|
| High Ambient - Fan Speed - Maximum | 1650 rpm
|
| High Ambient - Fan Speed - Minimum | 600 rpm
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| Max Power | 183 hp (136 kw)
|
| Net Power Gears 7-8 | 183 hp (136 kw)
|
| Number of Cylinders | 6
|
| Power Measured @ | 2000 rpm
|
| Speed at Rated Power | 2000 rpm
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| Standard - Ambient Capability | 109 degrees
|
| Standard - Fan Speed - Maximum | 1450 rpm
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| Standard - Fan Speed - Minimum | 600 rpm
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| Stroke | 5 in (13 cm)
|
| Torque Rise - V Plus | 39%
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| V Plus Range - Net | 136-174 kW (183-233)
|
| V Plus Range - Net - Metric | 136-174 kW (186-237)
|
Frame
| Circle - Blade Beam Thickness | 2 in (4 cm)
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| Circle - Diameter | 60 in (153 cm)
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| Drawbar - Height | 6 in (15 cm)
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| Drawbar - Width | 3 in (8 cm)
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| Front Axle - Height to Center | 23 in (58 cm)
|
| Front Axle - Total Oscillation per Side | 32 degrees
|
| Front Axle - Wheel Lean - Left/Right | 18 degrees
|
| Front Frame Structure - Height | 12 ft (4 m)
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| Front Frame Structure - Width | 12 ft (4 m)
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Front Axle
| Ground Clearance | 2 ft (1 m)
|
| Oscillation - Total | 32 degrees
|
| Wheel Lean | 18 degrees
|
Hydraulic System
| Circuit Type | Electro-hydraulic load sensing closed center
|
| Maximum System Pressure | 3500 psi
|
| Pump Flow | 56 gpm (211 lpm)
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| Pump Output | 56 gpm (211 lpm)
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| Pump Type | Variable piston
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| Relief Valve Pressure | 3500 psi
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| Standby Pressure | 450 psi
|
Moldboard
| Arc Radius | 16 in (41 cm)
|
| Blade Pull - Base GVW | 24,294 lbs (11,020 kg)
|
| Blade Pull - Maximum GVW | 31,758 lbs (14,405 kg)
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| Blade Pull at Max Weight | 45,788 lbs (20,769 kg)
|
| Blade Width | 12 ft (4 m)
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| Cutting Edge Thickness | 1 in (2 cm)
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| Cutting Edge Width | 6 in (15 cm)
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| End Bit - Thickness | 1 in (2 cm)
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| End Bit - Width | 6 in (15 cm)
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| Max Depth of Cut | 28 in (71 cm)
|
| Moldboard - Height | 24 in (61 cm)
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| Moldboard - Thickness | 1 in (2 cm)
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| Moldboard - Width | 12 ft (4 m)
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| Moldboard Height | 24 in (61 cm)
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| Moldboard Length | 12 ft (4 m)
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| Moldboard Thickness | 1 in (2 cm)
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| Moldboard Width | 12 ft (4 m)
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| Side Shift Left | 20 in (51 cm)
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| Side Shift Right | 26 in (66 cm)
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| Throat Clearance | 7 in (17 cm)
|
Operating Specifications
| Articulation Angle - Left/Right | 20 degrees
|
| Circle Gearbox Fluid Capacity | 2 gal (7 l)
|
| Cooling System Fluid Capacity | 12 gal (47 l)
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| Forward - 1st | 3 mph (4 kph)
|
| Forward - 2nd | 3 mph (5 kph)
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| Forward - 3rd | 5 mph (8 kph)
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| Forward - 4th | 7 mph (11 kph)
|
| Forward - 5th | 11 mph (17 kph)
|
| Forward - 6th | 15 mph (23 kph)
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| Forward - 7th | 20 mph (32 kph)
|
| Forward - 8th | 29 mph (47 kph)
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| Fuel Capacity | 110 gal (416 l)
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| Hydraulic System Fluid Capacity | 16 gal (60 l)
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| Max Operation Weight - Front Axle | 17,908 lbs (8,123 kg)
|
| Max Operation Weight - Rear Axle | 32,967 lbs (14,954 kg)
|
| Max Operation Weight - Total | 50,875 lbs (23,077 kg)
|
| Operating Weight | 33,356 lbs (15,130 kg)
|
| Rear Diff/Final Drive Fluid Capacity | 17 gal (65 l)
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| Reverse - 1st | 2
|
| Reverse - 2nd | 4 mph (6 kph)
|
| Reverse - 3rd | 5 mph (9 kph)
|
| Reverse - 4th | 8 mph (14 kph)
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| Reverse - 5th | 16 mph (25 kph)
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| Reverse - 6th | 23 mph (37 kph)
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| Std Operation Weight - Front Axle | 9,173 lbs (4,161 kg)
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| Std Operation Weight - Rear Axle | 24,183 lbs (10,969 kg)
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| Std Operation Weight - Total | 33,356 lbs (15,130 kg)
|
| Steering Range - Left/Right | 47.5 degrees
|
| Tandem Case Fluid Capacity (each) | 17 gal (64 l)
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| Top Speed - Forward | 29 mph (47 kph)
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| Top Speed - Reverse | 23 mph (37 kph)
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| Turning Radius - Outside Front Tires | 25 ft (8 m)
|
Power Train
| Brakes - Parking | Multiple oil disc
|
| Brakes - Secondary | Dual circuit control system
|
| Brakes - Service | Multiple oil disc
|
| Brakes - Service - Surface Area | 3,565 cu in (58,420 cu cm)
|
| Forward/Reverse Gears | 8 Forward/6 Reverse
|
| Transmission | Direct drive power shift countershaft
|
Ripper
| Machine Length Increase, Beam Raised | 36 in (92 cm)
|
| Penetration Force | 20,540 lbs (9,317 kg)
|
| Pry-Out Force | 26,259 lbs (11,911 kg)
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| Ripper Shank Holder Spacing | 21 in (53 cm)
|
| Ripper Shank Holders | 5
|
| Ripping Depth - Maximum | 17 in (43 cm)
|
Scarifier
| Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing | 5 in (12 cm)
|
| Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum | 18 in (47 cm)
|
| Front, V-Type, 5 or 11 Tooth - Working Width | 47 in (120 cm)
|
| Mid, V-Type - Scarifier Shank Holder Spacing | 5 in (12 cm)
|
| Mid, V-Type - Scarifier Shank Holders | 11
|
| Mid, V-Type - Scarifying Depth, Maximum | 12 in (29 cm)
|
| Mid, V-Type - Working Width | 47 in (118 cm)
|
| Rear - Scarifier Shank Holder Spacing | 11 in (27 cm)
|
| Rear - Scarifier Shank Holders | 9
|
| Rear - Scarifying Depth, Maximum | 11 in (27 cm)
|
| Rear - Working Width | 91 in (231 cm)
|
Service Refill
| Circle Drive Housing | 2 gal (7 l)
|
| Cooling System | 11 gal (40 l)
|
| Engine Oil | 7 gal (25 l)
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| Front Wheel Spindle Bearing Housing | 0 gal (1 l)
|
| Fuel Capacity | 110 gal (416 l)
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| Hydraulic System - Tank | 17 gal (64 l)
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| Tandem Housing - Each | 17 gal (64 l)
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| Transmission - Differential - Final Drives | 17 gal (64 l)
|
Standards
| Brakes | ISO 3450:1996
|
| ROPS/FOPS | ISO 3471:2008 ISO 3449:2005 Level II
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| Sound | ISO 6394:2008 ISO 6395:2008
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| Steering | ISO 5010:2007
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Steering System
| Articulation Angle | 20 degrees
|
| Turning Radius | 26 ft (8 m)
|
Tandems
| Drive Chain Pitch | 2 in (5 cm)
|
| Height | 20 in (51 cm)
|
| Sidewall Thickness - Inner | 1 in (2 cm)
|
| Sidewall Thickness - Outer | 1 in (2 cm)
|
| Tandem Oscillation - Front Down | 25 degrees
|
| Tandem Oscillation - Front Up | 15 degrees
|
| Wheel Axle Spacing | 60 in (152 cm)
|
| Width | 8 in (20 cm)
|
Transmission
| Max Speed - Forward | 29 mph (47 kph)
|
| Max Speed - Reverse | 23 mph (37 kph)
|
| Number of Gears - Forward | 8
|
| Number of Gears - Reverse | 6
|
| Transmission Type | direct drive power shift countershaft
|
Weights
| Gross Vehicle Weight - Base - Front Axle | 9,561 lbs (4,337 kg)
|
| Gross Vehicle Weight - Base - Rear Axle | 26,993 lbs (12,244 kg)
|
| Gross Vehicle Weight - Base - Total | 36,554 lbs (16,581 kg)
|
| Gross Vehicle Weight - Maximum - Front Axle | 16,606 lbs (7,532 kg)
|
| Gross Vehicle Weight - Maximum - Rear Axle | 35,287 lbs (16,006 kg)
|
| Gross Vehicle Weight - Maximum - Total | 51,893 lbs (23,538 kg)
|
| Gross Vehicle Weight - Typically Equipped | 41,868 lbs (18,991 kg)
|
| Gross Vehicle Weight - Typically Equipped - Front Axle | 11,716 lbs (5,314 kg)
|
| Gross Vehicle Weight - Typically Equipped - Total | 41,868 lbs (18,991 kg)
|
| Operating Weight - Typically Equipped | 41,868 lbs (18,991 kg)
|
