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Caterpillar 12M3 Motor Grader Specs

The Caterpillar 12M3 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, ditching, and snow removal. The 12M3 typically features a front-mounted engine, articulated frame, and moldboard control system for precise blade positioning. It is commonly equipped with advanced hydraulic controls, operator comfort features, and optional grade control technology. The machine is used in municipal, mining, and construction environments where accurate grading and surface finishing are required.


General Specifications

Caterpillar 12M3 Motor Grader General Specifications specifications
Base Power - Net 179.00 hp (133.00 kW) - Starting 2015
Diesel Exhaust Fluid Capacity 5.80 US gal (22.00 L) - Starting 2015
Displacement 567.00 cu in (9.30 L) - Starting 2015
Electrical - Std. Alternator 150 - Starting 2015
Electrical - Std. Battery CCA @ 0° F 1125 - Starting 2015
Electrical - System Size 24V - Starting 2015
Engine Model C9.3 ACERT - Starting 2015
Front Axle/Steering - Articulation Angle 20 deg - Starting 2015
Front Axle/Steering - Minimum Turning Radius 298.00 in (7.60 m) - Starting 2015
Front Axle/Steering - Minimum Turning Radius** 298.00 in (7.60 m) - Starting 2018
Front Axle/Steering - Oscillation Angle 32 deg - Starting 2015
Front Axle/Steering - Steering Angle 47.5 deg - Starting 2015
Front Axle/Steering - Wheel Lean Angle 18.0 deg - Starting 2015
Fuel Tank Capacity 104.00 US gal (394.00 L) - Starting 2015
GENERAL DIMENSIONS - Blade Base 100.50 in (2,552.00 mm) - Starting 2015
GENERAL DIMENSIONS - Height (to top of ROPS) 130.20 in (3,308.00 mm) - Starting 2015
GENERAL DIMENSIONS - Lift Above Ground 18.90 in (480.00 mm) - Starting 2015
GENERAL DIMENSIONS - Overall Length 350.90 in (8,912.00 mm) - Starting 2015
GENERAL DIMENSIONS - Overall Width - (at top of front tires) 98.90 in (2,511.00 mm) - Starting 2015
GENERAL DIMENSIONS - Standard Blade: Height 24.00 in (610.00 mm) - Starting 2015
GENERAL DIMENSIONS - Standard Blade: Length 144.00 in (3,658.00 mm) - Starting 2015
GENERAL DIMENSIONS - Standard Blade: Thickness 0.87 in (22.00 mm) - Starting 2015
GENERAL DIMENSIONS - Wheelbase 241.10 in (6,123.00 mm) - Starting 2015
GENERAL DIMENSIONS - With Ripper and Pushplate 399.10 in (10,136.00 mm) - Starting 2015
Hydraulics - Implement Pressure: Max. 3,500.00 psi (24,150.00 kPa) - Starting 2015
Hydraulics - Implement Pressure: Min. 885.00 psi (6,100.00 kPa) - Starting 2015
Hydraulics - Max. Pump Flow 55.70 US gpm (210.00 L/min) - Starting 2015
Hydraulics - Pump Type Variable Piston - Starting 2015
Hydraulics - Tank Capacity 16.90 US gal (64.00 L) - Starting 2015
Interior Sound Level/SAE J919 71 dB(A - Starting 2015
Max. Shoulder Reach: - Frame Straight - left 70.50 in (1,790.00 mm) - Starting 2015
Max. Shoulder Reach: - Frame Straight - right 77.90 in (1,978.00 mm) - Starting 2015
Max. Shoulder Reach:*** - Frame Straight - Left 70.50 in (1,790.00 mm) - Starting 2018
Max. Shoulder Reach:*** - Frame Straight - Right 77.90 in (1,978.00 mm) - Starting 2018
Max. Torque 840.00 lb-ft (1,138.00 N-m) - Starting 2015
No. Circle Support Shoes 6 - Starting 2015
No. of Cylinders 6 - Starting 2015
No. of Speeds Forward/Reverse 8/6 - Starting 2015
Operating Weight (Typical) 37,420.00 lbs (16,974.00 kg) - Starting 2015
Operating Weight (Typical)* 37,420.00 lbs (16,974.00 kg) - Starting 2018
Rated Engine RPM 2000 rpm - Starting 2015
Std. Tires - Front and Rear 14.00R24 (G-2 - Starting 2015
Top Speed: Forward 29.00 mph (46.60 km/h) - Starting 2015
Top Speed: Reverse 23.00 mph (36.80 km/h) - Starting 2015
VHP Plus Range - Net 179.00-231.00 hp (133.00-172.00 kW)
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