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 fine grading applications. It is part of Caterpillar's M Series grader lineup and is used for shaping surfaces, maintaining haul roads, and preparing subgrades in mining, construction, and municipal work. The 14M3 typically features a front-mounted blade, articulated frame, and operator controls designed for precise moldboard positioning and grading accuracy. It is commonly configured with diesel power, all-wheel drive options, and advanced hydraulic systems. The Caterpillar 14M3 is used in earthmoving fleets where consistent grading performance, durability, and serviceability are required.

General Specifications

Caterpillar 14M3 Motor Grader General Specifications specifications
Base Power - Net	238.00 hp (178.00 kW) - Starting 2017
Displacement	763.00 cu in (12.50 L) - Starting 2017
Electrical - Std. Alternator	150 - Starting 2017
Electrical - Std. Battery CCA @ 0° F	1125 - Starting 2017
Electrical - System Size	24V - Starting 2017
Engine Model	C13 ACERT - Starting 2017
Front Axle/Steering - Articulation Angle	20 deg - Starting 2017
Front Axle/Steering - Minimum Turning Radius	311.00 in (7.90 m) - Starting 2017
Front Axle/Steering - Minimum Turning Radius**	311.00 in (7.90 m) - Starting 2018
Front Axle/Steering - Oscillation Angle	32 deg - Starting 2017
Front Axle/Steering - Steering Angle	50 deg - Starting 2017
Fuel Tank Capacity	109.90 US gal (416.00 L) - Starting 2017
GENERAL DIMENSIONS - Blade Base	113.40 in (2,880.00 mm) - Starting 2017
GENERAL DIMENSIONS - Height (to top of ROPS)	140.40 in (3,566.00 mm) - Starting 2017
GENERAL DIMENSIONS - Lift Above Ground	17.20 in (438.00 mm) - Starting 2017
GENERAL DIMENSIONS - Overall Length	381.00 in (9,677.00 mm) - Starting 2017
GENERAL DIMENSIONS - Overall Width (at top of front tires)	120.10 in (3,050.00 mm) - Starting 2017
GENERAL DIMENSIONS - Standard Blade: Height	23.00 in (585.00 mm) - Starting 2017
GENERAL DIMENSIONS - Standard Blade: Length	168.00 in (4,267.00 mm) - Starting 2017
GENERAL DIMENSIONS - Standard Blade: Thickness	1.00 in (25.40 mm) - Starting 2017
GENERAL DIMENSIONS - Wheelbase	260.50 in (6,616.00 mm) - Starting 2017
GENERAL DIMENSIONS - With Ripper and Pushplate	429.10 in (10,899.00 mm) - Starting 2017
Hydraulics - Implement Pressure: Max.	3,495.00 psi (24,100.00 kPa) - Starting 2017
Hydraulics - Implement Pressure: Min.	493.00 psi (3,400.00 kPa) - Starting 2017
Hydraulics - Max. Pump Flow	68.00 US gpm (257.00 L/min) - Starting 2017
Hydraulics - Pump Type	Variable Piston - Starting 2017
Hydraulics - Tank Capacity	16.90 US gal (64.00 L) - Starting 2017
Interior Sound Level/SAE J919 - Tier 2 and Tier 3 Equivalent 2	73 dB(A - Starting 2017
Interior Sound Level/SAE J919 - Tier 4 Final/EU Certified 1	73 dB(A - Starting 2017
Max. Shoulder Reach: - Frame Straight - Left	136.20 in (3,460.00 mm) - Starting 2017
Max. Shoulder Reach: - Frame Straight - Right	131.90 in (3,350.00 mm) - Starting 2017
Max. Shoulder Reach:*** - Frame Straight - Left	136.20 in (3,460.00 mm) - Starting 2018
Max. Shoulder Reach:*** - Frame Straight - Right	131.90 in (3,350.00 mm) - Starting 2018
Max. Torque - Tier 2 and Tier 3 Equivalent 2	1,137.00 lb-ft (1,542.00 N-m) - Starting 2017
Max. Torque - Tier 4 Final 1	1,137.00 lb-ft (1,542.00 N-m) - Starting 2017
No. Circle Support Shoes	6 - Starting 2017
No. of Cylinders	6 - Starting 2017
No. of Speeds Forward/Reverse	8/6 - Starting 2017
Operating Weight	57,250.00 lbs (25,968.00 kg) - Starting 2017
Operating Weight*	57,250.00 lbs (25,968.00 kg) - Starting 2018
Rated Engine RPM	1850 rpm - Starting 2017
Std. Tires - Front and Rear	20.5R25 - Starting 2017
Top Speed: Forward	31.40 mph (50.50 km/h) - Starting 2017
Top Speed: Reverse	24.80 mph (39.90 km/h) - Starting 2017
VHP Plus Range - Net	241.00-289.00 hp (180.00-215.00 kW)
VHP Range - Net	238.00-285.00 hp (178.00-213.00 kW)

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)