Based on the SG21 - C6AWD motor grader, it is equipped with a Weichai WP7 engine and focuses on adaptability design for extremely cold working conditions, making breakthroughs from multiple perspectives such as the product's cold - start capability, cold resistance, riding comfort, structural strength, and attachment adaptability.

Key hydraulic components are selected from internationally renowned brands to ensure reliability. Pipes and seals are made of cold - resistant materials to enhance the product's adaptability to extremely cold working conditions. All hydraulic components like pumps, cylinders, and valves have passed tests on a hydraulic test bench.

A hexagonal - structured cab is adopted to expand the field of vision. The cab is equipped with an air - heating warm - air system and glass heating to achieve the defrosting function and improve riding comfort.

The starting system is enhanced with fuel water filter heating, intake air heating, and a fuel heating system to improve the engine's cold - start capability.

A constant - pressure variable pump is used to drive the reducer motor for front - wheel drive. Hydraulic priority steering and priority braking are adopted, sharing the working pump system to reduce costs.