The Caterpillar 14M is a motor grader designed for road construction, maintenance, and grading applications. Part of Caterpillar's M Series, the 14M is used for shaping surfaces, fine grading, ditching, snow removal, and site preparation. It features a moldboard, articulated frame, and hydraulic controls for precise blade positioning and material control. The machine is commonly equipped with a diesel engine, all-wheel drive options, and a comfortable operator cab for extended work periods. The Caterpillar 14M is used in municipal, mining, and heavy civil projects where accurate grade control and reliable performance are required.
Blades
Caterpillar 14M Motor Grader Blades specifications
Blade Tip Range - Backward
5 degrees
Blade Tip Range - Forward
40 degrees
Circle Centershift - Left
25.50 in (64.77 cm)
Circle Centershift - Right
20.50 in (52.07 cm)
Maximum Blade Position Angle
65 degrees
Maximum Depth of Cut
17.30 in (43.94 cm)
Maximum Lift Above Ground
16.50 in (41.91 cm)
Maximum Shoulder Reach Outside of Tires - Left
85.40 in (216.92 cm)
Maximum Shoulder Reach Outside of Tires - Right
89.70 in (227.84 cm)
Moldboard Sideshift - Left
29.10 in (73.91 cm)
Moldboard Sideshift - Right
31.10 in (78.99 cm)
Circle
Caterpillar 14M Motor Grader Circle specifications
Blade Tip Angle - Front
40 degrees
Blade Tip Angle - Rear
5 degrees
Diameter
71.80 in (182.37 cm)
Max Lift Above Ground
16.50 in (41.91 cm)
Max Reach Outside Tires - Left
85.40 in (216.92 cm)
Max Reach Outside Tires - Right
89.70 in (227.84 cm)
Shift Left
25.50 in (64.77 cm)
Shift Right
20.50 in (52.07 cm)
Dimensions
Caterpillar 14M Motor Grader Dimensions specifications
Blade Base
9.40 ft (2.87 m)
Ground Clearance - Rear Axle
15.10 in (38.35 cm)
Height - Exhaust Stack
128.20 in (325.63 cm)
Height - Front Axle Center
25.20 in (64.01 cm)
Height - Top of Cab
11.60 ft (3.54 m)
Height - Top of Cylinders
112.40 in (285.50 cm)
Height to Top of Isomount Cab
11.60 ft (3.54 m)
Length - Between Tandem Axles
65.00 in (165.10 cm)
Length - Counterweight to Ripper
429.00 in (1,089.66 cm)
Length - Front Axle to Mid Tandem
258.00 in (655.32 cm)
Length - Front Axle to Moldboard
112.00 in (284.48 cm)
Length - Front Tire to Rear of Machine
370.60 in (941.32 cm)
Overall Length
30.90 ft (9.42 m)
Rear Ground Clearance
1.30 ft (0.40 m)
Tandem Axle Wheelbase
5.50 ft (1.68 m)
Wheelbase
21.50 ft (6.55 m)
Width - Outside Front Tires
109.90 in (279.15 cm)
Width - Outside Rear Tires
109.90 in (279.15 cm)
Width - Tire Center Lines
93.00 in (236.22 cm)
Width Over Tires
9.20 ft (2.80 m)
Engine
Caterpillar 14M Motor Grader Engine specifications
Base Power (1st Gear) - Net
259.00 hp (193.14 kw)
Base Power (1st Gear) - Net - Metric
262.00 hp (195.38 kw)
Base Power (All Gears) - Net
259.00 hp (193.14 kw)
Bore
5.10 in (12.95 cm)
Derating Altitude
13,000.00 ft (3,962.40 m)
Displacement
677.00 cu in (11,094.07 cu cm)
Engine Model
Cat C11 ACERT VHP
High - Ambient Capability
122 degrees
Max Power
274.00 hp (204.33 kw)
Maximum Torque
1,049.00 lbs ft (1,422.23 nm)
Net Power Gear 1-2
259.00 hp (193.14 kw)
Net Power Gear 4-6
274.00 hp (204.33 kw)
Net Power Gear 5-6
274.00 hp (204.33 kw)
Net Power Gears 7-8
274.00 hp (204.33 kw)
Number of Cylinders
6
Power Measured @
1800 rpm
Standard - Ambient Capability
109 degrees
Stroke
5.50 in (13.97 cm)
V Plus Range - Net
193-219 kW (259-294)
V Plus Range - Net - Metric
193-221 kW (262-301)
V Range - Net
193-204 kW (259-274)
Frame
Caterpillar 14M Motor Grader Frame specifications
Circle - Blade Beam Thickness
2.00 in (5.08 cm)
Circle - Diameter
71.80 in (182.37 cm)
Drawbar - Height
8.00 in (20.32 cm)
Drawbar - Width
3.00 in (7.62 cm)
Front Axle - Height to Center
25.20 in (64.01 cm)
Front Axle - Total Oscillation per Side
32.0 degrees
Front Axle - Wheel Lean - Left/Right
17.1 degrees
Front Frame Structure - Height
1.40 ft (0.43 m)
Front Frame Structure - Width
1.00 ft (0.30 m)
Front Axle
Caterpillar 14M Motor Grader Front Axle specifications
Oscillation - Total
32 degrees
Wheel Lean
17.1 degrees
Hydraulic System
Caterpillar 14M Motor Grader Hydraulic System specifications
Circuit Type
Electro-hydraulic load sensing closed center
Maximum System Pressure
3500 psi
Pump Flow
74.00 gpm (280.09 lpm)
Pump Output
74.00 gpm (280.09 lpm)
Pump Type
Variable displacement
Relief Valve Pressure
3500 psi
Standby Pressure
450 psi
Moldboard
Caterpillar 14M Motor Grader Moldboard specifications
Arc Radius
16.30 in (41.40 cm)
Blade Down Pressure
38,666.90 lbs (17,536.01 kg)
Blade Down Pressure - Base GVW
22,130.00 lbs (10,036.28 kg)
Blade Down Pressure - Maximum GVW
38,781.00 lbs (17,587.76 kg)
Blade Pull - Base GVW
30,829.00 lbs (13,981.41 kg)
Blade Pull - Maximum GVW
39,619.00 lbs (17,967.80 kg)
Blade Pull at Max Weight
39,678.00 lbs (17,994.56 kg)
Blade Width
14.00 ft (4.27 m)
Cutting Edge Thickness
0.60 in (1.52 cm)
Cutting Edge Width
8.00 in (20.32 cm)
End Bit - Thickness
0.60 in (1.52 cm)
End Bit - Width
6.00 in (15.24 cm)
Max Depth of Cut
17.30 in (43.94 cm)
Moldboard - Height
27.00 in (68.58 cm)
Moldboard - Thickness
1.00 in (2.54 cm)
Moldboard - Width
14.00 ft (4.27 m)
Moldboard Height
27.00 in (68.58 cm)
Moldboard Length
14.00 ft (4.27 m)
Moldboard Thickness
1.00 in (2.54 cm)
Moldboard Width
14.00 ft (4.27 m)
Side Shift Left
29.10 in (73.91 cm)
Side Shift Right
31.10 in (78.99 cm)
Throat Clearance
4.60 in (11.68 cm)
Operating Specifications
Caterpillar 14M Motor Grader Operating Specifications specifications
Articulation Angle - Left/Right
20 degrees
Circle Gearbox Fluid Capacity
1.60 gal (6.06 l)
Cooling System Fluid Capacity
12.30 gal (46.56 l)
Forward - 1st
2.70 mph (4.35 kph)
Forward - 2nd
3.70 mph (5.95 kph)
Forward - 3rd
5.30 mph (8.53 kph)
Forward - 4th
7.30 mph (11.75 kph)
Forward - 5th
11.40 mph (18.35 kph)
Forward - 6th
15.40 mph (24.78 kph)
Forward - 7th
21.30 mph (34.28 kph)
Forward - 8th
31.00 mph (49.89 kph)
Fuel Capacity
130.00 gal (492.05 l)
Hydraulic System Fluid Capacity
15.90 gal (60.18 l)
Max Operation Weight - Front Axle
21,912.00 lbs (9,937.42 kg)
Max Operation Weight - Rear Axle
44,086.00 lbs (19,993.65 kg)
Max Operation Weight - Total
65,998.00 lbs (29,931.07 kg)
Reverse - 1st
2.1
Reverse - 2nd
4.00 mph (6.44 kph)
Reverse - 3rd
5.80 mph (9.33 kph)
Reverse - 4th
9.00 mph (14.48 kph)
Reverse - 5th
16.90 mph (27.20 kph)
Reverse - 6th
24.50 mph (39.43 kph)
Std Operation Weight - Front Axle
12,611.00 lbs (5,719.27 kg)
Std Operation Weight - Rear Axle
34,522.00 lbs (15,656.24 kg)
Std Operation Weight - Total
47,133.00 lbs (21,375.51 kg)
Steering Range - Left/Right
47.5 degrees
Tandem Case Fluid Capacity (each)
25.50 gal (96.52 l)
Top Speed - Forward
31.00 mph (49.89 kph)
Top Speed - Reverse
24.50 mph (39.43 kph)
Transmission Fluid Capacity
23.50 gal (88.95 l)
Turning Radius - Outside Front Tires
25.90 ft (7.89 m)
Power Train
Caterpillar 14M Motor Grader Power Train specifications
Brakes - Parking
Spring applied hydraulically released
Brakes - Secondary
Oil-actuated oil-disc
Brakes - Service
oil-actuated oil-disc
Brakes - Service - Surface Area
5,347.00 cu in (87,621.82 cu cm)
Forward/Reverse Gears
8 Fwd / 6 Rev
Transmission
Direct drive power shift Countershaft
Ripper
Caterpillar 14M Motor Grader Ripper specifications
Machine Length Increase, Beam Raised
45.50 in (115.57 cm)
Penetration Force
27,222.00 lbs (12,345.58 kg)
Pry-Out Force
28,146.00 lbs (12,764.63 kg)
Ripper Shank Holders
7
Ripping Depth - Maximum
15.80 in (40.13 cm)
Shank Holder Spacing - Maximum
19.00 in (48.26 cm)
Shank Holder Spacing - Minimum
15.00 in (38.10 cm)
Service Refill
Caterpillar 14M Motor Grader Service Refill specifications
Circle Drive Housing
1.60 gal (6.06 l)
Cooling System
12.30 gal (46.56 l)
Engine Oil
7.90 gal (29.90 l)
Front Wheel Spindle Bearing Housing
0.30 gal (1.14 l)
Fuel Capacity
130.00 gal (492.05 l)
Hydraulic System - Tank
15.90 gal (60.18 l)
Tandem Housing - Each
25.50 gal (96.52 l)
Transmission - Differential - Final Drives
23.50 gal (88.95 l)
Standards
Caterpillar 14M Motor Grader Standards specifications
Brakes
ISO 3450
ROPS/FOPS
ISO 3471 / ISO 3499
Sound
ISO 6394 / ISO 6395
Steering
ISO 5010:1992
Steering System
Caterpillar 14M Motor Grader Steering System specifications
Articulation Angle
20 degrees
Turning Radius
25.90 ft (7.89 m)
Tandems
Caterpillar 14M Motor Grader Tandems specifications
Drive Chain Pitch
2.30 in (5.84 cm)
Height
24.30 in (61.72 cm)
Sidewall Thickness - Inner
0.80 in (2.03 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
65.00 in (165.10 cm)
Width
8.40 in (21.34 cm)
Transmission
Caterpillar 14M Motor Grader Transmission specifications
Max Speed - Forward
31.00 mph (49.89 kph)
Max Speed - Reverse
24.50 mph (39.43 kph)
Number of Gears - Forward
8
Number of Gears - Reverse
6
Transmission Type
direct drive power shift countershaft
Weights
Caterpillar 14M Motor Grader Weights specifications
Gross Vehicle Weight - Base - Front Axle
12,541.00 lbs (5,687.53 kg)
Gross Vehicle Weight - Base - Rear Axle
34,255.00 lbs (15,535.15 kg)
Gross Vehicle Weight - Base - Total
46,796.00 lbs (21,222.68 kg)
Gross Vehicle Weight - Maximum - Front Axle
9,969.00 lbs (4,521.09 kg)
Gross Vehicle Weight - Maximum - Rear Axle
44,021.00 lbs (19,964.17 kg)
Gross Vehicle Weight - Maximum - Total
65,998.00 lbs (29,931.07 kg)
Gross Vehicle Weight - Typically Equipped
53,738.00 lbs (24,370.98 kg)
Gross Vehicle Weight - Typically Equipped - Front Axle
13,704.00 lbs (6,214.97 kg)
Gross Vehicle Weight - Typically Equipped - Total
53,738.00 lbs (24,370.98 kg)
Operating Weight - Typically Equipped
53,738.00 lbs (24,370.98 kg)
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