Caterpillar 140K Motor Grader – Overview & Specifications

The CAT 140K Motor Grader is a reliable and powerful machine designed for road construction, maintenance, and earthmoving applications. It is widely used in construction, mining, and infrastructure projects due to its durability, precision, and efficiency.

Key Specifications

Engine

• Model: Caterpillar C7 ACERT™
• Net Power: 185 hp (138 kW)
• Gross Power: ~190 hp (142 kW)
• Displacement: 7.2 L (441 in³)
• Torque: 849 Nm

Operating Weight

• Standard Operating Weight: ~16,100 kg (35,494 lbs)

Blade & Moldboard

• Blade Width: 12 ft (3.7 m)
• Blade Height: 24 in (610 mm)
• Blade Thickness: 0.87 in (22 mm)
• Maximum Blade Lift Above Ground: 16 in (407 mm)
• Maximum Cutting Depth: 28.1 in (714 mm)

Transmission & Drive

• Type: Direct Drive, Power Shift
• Number of Gears: 8 Forward / 6 Reverse
• Max Forward Speed: ~46 km/h (28.6 mph)
• Max Reverse Speed: ~37 km/h (23 mph)

Hydraulic System

• Type: Load-Sensing, Closed-Center
• Pump Flow: 170 L/min (45 gpm)
• Relief Valve Pressure: 24,100 kPa (3,500 psi)

Tires & Brakes

• Standard Tire Size: 14.00-24
• Service Brakes: Hydraulic, oil-disc
• Parking Brake: Multi-disc, oil-bathed

Key Features

✅ Powerful CAT C7 Engine – Delivers fuel efficiency and high torque for demanding jobs.
✅ Articulated Frame – Enhances maneuverability, especially in tight spaces.
✅ Load-Sensing Hydraulics – Ensures smooth and precise blade movements.
✅ Comfortable Operator Cabin – Ergonomically designed with clear visibility and intuitive controls.
✅ Versatile Applications – Suitable for grading, leveling, ditching, and snow removal.

The CAT 140K is a modernized version of the 140k, with improved fuel efficiency, upgraded hydraulics, and better operator comfort. It is widely used by contractors and government agencies for road maintenance and construction.