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14M3 Motor Grader

14M3 Motor Grader

At a Glance

Base Power (1st Gear) - Net
238 HP
Operating Weight - Typically Equipped
57250 lb
Blade Width
14 ft
Engine Model
Cat C13
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Cat® Motor Graders continue the Caterpillar tradition of being the industry standard in heavy construction, road building, and governmental applications. The 14M3 features a host of integrated technology solutions that increase operator efficiency, boost productivity levels and lower owning and operating costs. The 14M3 takes advantage of a larger engine, increased fuel efficiency, improved machine balance, enhanced transmission performance, more powerful telematics and added operator safety/convenience features.


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Base Power (1st Gear) - Net 238HP
Engine Model Cat C13
Bore 5.1in
Stroke 6.2in
Speed at Rated Power 1,850 rpm
Standard - Fan Speed - Maximum 1,600 rpm
Standard - Fan Speed - Minimum 550 rpm
Standard Capability 122°F
Emissions Tier 4 Final/Stage IV, Tier 3/Stage IIIA equivalent or Tier 2/Stage II equivalent
Maximum Altitude - Full Power 13900ft
Maximum Altitude - Full Power (Tier 2) 12049ft
Maximum Altitude - Full Power (Tier 3) 14349ft
Maximum Torque - VHP Plus 1137lb/ft
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)
Torque Rise 41%
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.
Displacement 763in³
Number of Cylinders 6


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Operating Weight - Typically Equipped 57250lb
Gross Vehicle Weight - Base* - Front Axle 13994lb
Gross Vehicle Weight - Base* - Rear Axle 36994lb
Gross Vehicle Weight - Base* - Total 50980lb
Gross Vehicle Weight - Typically Equipped - Front Axle 15245lb
Gross Vehicle Weight - Typically Equipped - Rear Axle 42005lb
Gross Vehicle Weight - Typically Equipped - Total 57250lb
Note *Base operating weight calculated on standard machine configuration with 20.5 R25 tires, full fuel tank operator and ROPS cab.


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Blade Width 14ft
Arc Radius 16.3in
Throat Clearance 4.6in
Blade Height - With Cutting Edge 24.9in
Blade Height - Without Cutting Edge 23in
Blade Width - With End Bits 169in
Blade Width - Without End Bits 164in

Blade Range

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Maximum Depth of Cut 23.3in
Circle Centershift - Right 20.5in
Circle Centershift - Left 25.6in
Moldboard Sideshift - Right 31.1in
Moldboard Sideshift - Left 29.1in
Blade Tip Range - Forward 40°
Blade Tip Range - Backward
Maximum Shoulder Reach Outside of Tires - Right 78.9in
Maximum Shoulder Reach Outside of Tires - Left 73.6in
Maximum Lift Above Ground 16.5in


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Circle - Outer Diameter 71.7in
Front Axle - Total Oscillation per Side 32°
Front Axle - Wheel Lean - Left/Right 17.1°

Air Conditioning System

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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).