SD22 22 Ton Bulldozer | Construction Dozer for Sale
Power System: Strong & Energy-Saving Performance
The SD22 dozer is equipped with WP12/QSNT-C235 electronically controlled engine, meeting National Stage III emission standards. It delivers 175kW rated power and large torque reserve, with high efficiency, low fuel consumption and low maintenance costs. The radial sealing air intake system effectively extends engine service life.
Optimized Transmission System
The transmission system is perfectly matched with the engine power curve to expand the efficient working range and improve transmission efficiency. Self-developed and manufactured, it has long-term market verification, stable operation and durable quality for heavy-duty work.
The SD22 standard crawler dozer integrates high-power Stage III engine, efficient transmission system and reinforced heavy-duty chassis. With strong power, diversified working configurations, comfortable cab and easy maintenance, it is a high-performance, durable and cost-effective heavy machinery solution for various medium and large earthmoving and heavy construction projects.
Reliable Chassis & Strong Terrain Adaptability
Adopting high-strength heavy-duty chassis system, it features long grounding length and 405 mm high ground clearance. It runs smoothly with excellent passability, fully adapting to mines, roadworks and various harsh complex working conditions.
Diversified Working Devices
Multiple optional attachments are available, including straight shovel, U-shovel, angle shovel, rock shovel and multi-tooth ripper. Standard LED work lights ensure clear vision and safe construction during night operations.
Safe & Comfortable Driving Environment
The hexahedral cab provides spacious interior and wide viewing angle. Optional FOPS/ROPS structure ensures operation safety. Equipped with electronically controlled throttle, intelligent display terminal and heating & cooling air conditioning for precise control and comfortable driving.
High-Strength Overall Structure
Key structural components adopt mature industrial design with excellent shock resistance and durability. Premium overall rigidity guarantees stable output and long service life under continuous heavy-load working scenarios.
Humanized Maintenance Design
All wiring harnesses are well protected by corrugated pipes for high safety. Large open side covers and externally arranged lubrication points make daily inspection, repair and component replacement fast and convenient.
Wide Application Scope
This 22-ton standard dozer is suitable for earth-rock excavation, backfilling, bulk material shoveling and land leveling. It is widely used in infrastructure, mining, transportation and environmental protection engineering.


