08-17-2025, 03:54 PM
Machine Overview
The CAT 140M is a robust motor grader widely used in road construction, maintenance, and infrastructure projects. It features a powerful Cat C9.3 engine delivering 179 horsepower, designed to provide reliable and efficient performance across challenging terrains.
Engine and Powertrain
Operating the CAT 140M motor grader involves leveraging its powerful engine, precise hydraulic moldboard controls, and advanced technologies to deliver efficient, high-quality grading performance on demanding construction sites. Its capabilities, combined with operator comfort and smart features, make the 140M a versatile and productive machine essential for modern infrastructure development.
The CAT 140M is a robust motor grader widely used in road construction, maintenance, and infrastructure projects. It features a powerful Cat C9.3 engine delivering 179 horsepower, designed to provide reliable and efficient performance across challenging terrains.
Engine and Powertrain
- The Cat C9.3 engine operates at 2,000 RPM with maximum torque of approximately 1,237 Nm, offering ample power for heavy-duty grading tasks.
- The fuel tank capacity of 416 liters supports extended operation, minimizing refueling interruptions.
- The cooling system has a capacity of 40 liters, ensuring optimal engine temperatures during sustained workloads.
- The motor grader includes a 3.7-meter moldboard (blade) with up to 760 mm of side shift to the right and 510 mm to the left, allowing precise material spreading and shaping.
- Maximum lift height is 480 mm, with a cutting depth of up to 715 mm, supporting a variety of applications from light leveling to deep excavation.
- The hydraulic system capacity is roughly 64 liters, ensuring consistent and powerful control over the moldboard and other implements.
- The 140M achieves a top forward speed of 46.6 km/h and a reverse speed of 23 mph, allowing efficient movement across worksites.
- Its overall length is approximately 8,754 mm, providing stability and balance.
- The machine incorporates advanced articulation enabling tight turning radii and effective maneuvering in confined spaces.
- The cab offers a spacious, ergonomic environment designed for operator comfort during extended shifts.
- Features include adjustable controls, heated seats, air conditioning, and enhanced visibility through strategically placed mirrors and camera systems.
- Integrated Cat Grade Control technology enables automated blade positioning for consistent grading precision and reduced operator fatigue.
- Regular checks of hydraulic fluid levels and engine oil optimize machine performance and longevity.
- Periodic inspection and adjustment of moldboard cutting edges and end bits ensure efficient material handling.
- Keeping cooling and filtration systems clean prevents engine overheating and component wear.
- Moldboard: The curved blade of the grader used to cut, spread, and shape materials.
- Side Shift: Lateral movement of the moldboard for increased operational range.
- Cutting Depth: Maximum vertical penetration of the moldboard into material.
- Articulation: Flexibility of the machine frame aiding turning and maneuverability.
- Grade Control: Automated or semi-automated system to maintain precise blade angles and elevation during grading.
Operating the CAT 140M motor grader involves leveraging its powerful engine, precise hydraulic moldboard controls, and advanced technologies to deliver efficient, high-quality grading performance on demanding construction sites. Its capabilities, combined with operator comfort and smart features, make the 140M a versatile and productive machine essential for modern infrastructure development.
