Caterpillar 14M3 Motor Grader Specs

Category: Motor Graders ➔
Manufacturer: Caterpillar ➔
Model: 14M3 ➔

The Caterpillar 14M3 is a motor grader designed for road construction, maintenance, and surface finishing applications. It is part of Caterpillar's M Series grader line and is used for grading, ditching, slope work, and material spreading on highways, mining sites, and large earthmoving projects. The 14M3 typically features a front-mounted engine, articulated frame, and a centrally located moldboard for precise blade control. It is built to support operator visibility, traction, and grading accuracy in demanding conditions. The Caterpillar 14M3 motor grader is commonly used by contractors, municipalities, and mining operations for fine grading and road profile management.

Air Conditioning System

Caterpillar 14M3 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 2.0 kg (4.4 lb) of refrigerant which has a CO2 equivalent of 2.860 metric tonne (2.76 ton).

Blade Range

Caterpillar 14M3 Motor Grader Blade Range specifications
Blade Tip Range - Backward	5 degrees
Blade Tip Range - Forward	40 degrees
Circle Centershift - Left	25.60 in (65.02 cm)
Circle Centershift - Right	20.50 in (52.07 cm)
Maximum Depth Of Cut	23.30 in (59.18 cm)
Maximum Lift Above Ground	16.50 in (41.91 cm)
Maximum Shoulder Reach Outside Of Tires - Left	73.60 in (186.94 cm)
Maximum Shoulder Reach Outside Of Tires - Right	78.90 in (200.41 cm)
Moldboard Sideshift - Left	29.10 in (73.91 cm)
Moldboard Sideshift - Right	31.10 in (78.99 cm)

Engine

Caterpillar 14M3 Motor Grader Engine specifications
Base Power (1st Gear) - Net	238.00 hp (177.48 kw)
Bore	5.10 in (12.95 cm)
Displacement	763.00 cu in (12,503.36 cu cm)
Emissions	Tier 4 Final/Stage IV, Tier 3/Stage IIIA equivalent or Tier 2/Stage II equivalent
Engine Model	Cat C13 ACERT VHP
Maximum Altitude - Full Power	13,900.00 ft (4,236.72 m)
Maximum Altitude - Full Power (Tier 2)	12,049.00 ft (3,672.54 m)
Maximum Altitude - Full Power (Tier 3)	14,349.00 ft (4,373.58 m)
Maximum Torque - Vhp Plus	1,137.00 lbs ft (1,541.54 nm)
Note (1)	Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture.
Note (2)	Optimized VHP Plus is standard for the 14M3.
Note (3)	Net power advertised is the power available at rated speed of 1,850 rpm, measured at the flywheel when engine is equipped with fan, air cleaner, muffler and alternator.
Note (4)	Power as declared per ISO 14396 Rated rpm 1,850 VHP+ = 228 kW (306 hp)
Note (5)	Cat engines equipped with a Selective Catalytic Reduction (SCR) system are required to use: Diesel Exhaust Fluid (DEF) which meets the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1.
Number Of Cylinders	6
Speed At Rated Power	1,850 rpm
Standard - Fan Speed - Maximum	1,600 rpm
Standard - Fan Speed - Minimum	550 rpm
Standard Capability	122 degrees
Stroke	6.20 in (15.75 cm)
Torque Rise	41 %

Frame

Caterpillar 14M3 Motor Grader Frame specifications
Circle - Outer Diameter	71.70 in (182.12 cm)
Front Axle - Total Oscillation Per Side	32 degrees
Front Axle - Wheel Lean - Left/Right	17.1 degrees

Moldboard

Caterpillar 14M3 Motor Grader Moldboard specifications
Arc Radius	16.30 in (41.40 cm)
Blade Height - With Cutting Edge	24.90 in (63.25 cm)
Blade Height - Without Cutting Edge	23.00 in (58.42 cm)
Blade Width	14.00 ft (4.27 m)
Blade Width - With End Bits	169.00 in (429.26 cm)
Blade Width - Without End Bits	164.00 in (416.56 cm)
Throat Clearance	4.60 in (11.68 cm)

Weights

Caterpillar 14M3 Motor Grader Weights specifications
Gross Vehicle Weight - Base* - Front Axle	13,994.00 lbs (6,347.58 kg)
Gross Vehicle Weight - Base* - Rear Axle	36,994.00 lbs (16,780.22 kg)
Gross Vehicle Weight - Base* - Total	50,980.00 lbs (23,124.17 kg)
Gross Vehicle Weight - Typically Equipped - Front Axle	15,245.00 lbs (6,915.02 kg)
Gross Vehicle Weight - Typically Equipped - Rear Axle	42,005.00 lbs (19,053.17 kg)
Gross Vehicle Weight - Typically Equipped - Total	57,250.00 lbs (25,968.20 kg)
Note	*Base operating weight calculated on standard machine configuration with 20.5 R25 tires, full fuel tank operator and ROPS cab.
Operating Weight - Typically Equipped	57,250.00 lbs (25,968.20 kg)

Our Main Office

Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200

About Us

Construction Equipment Guide covers the nation with its four regional newspapers, offering construction and industry news and information along with new and used construction equipment for sale from dealers in your area. Now we extend those services and information to the internet. Making it as easy as possible to find the news and equipment that you need and want.

Contents Copyrighted 2026, by Construction Equipment Guide, which is a Registered Trademark, registered in the U.S. Patent Office. Registration number 0957323. All rights reserved, nothing may be reprinted or reproduced (including framing) in whole or part without written permission from the publisher. All editorial material, photographs, drawings, letters, and other material will be treated as unconditionally assigned for publication and copyright purposes and are subject to Construction Equipment Guide’s unrestricted right to edit and comment editorially. Contributor articles do not necessarily reflect the policy or opinions of this publication.

Read our privacy policy here.
Mastodon