Used Shantui SD22 Bulldozer

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Here is a comprehensive introduction to the SHANTUI SD22 motor grader in English.

SHANTUI SD22 Motor Grader – Detailed Introduction

The SHANTUI SD22 is a robust and highly efficient motor grader designed for heavy-duty earthmoving, road construction, and maintenance applications. Manufactured by Shantui Construction Machinery Co., Ltd., one of the world's leading construction equipment manufacturers, the SD22 delivers an excellent combination of power, precision, durability, and operator comfort. It is engineered to perform reliably in challenging environments, from desert heat to high-altitude operations.

1. Engine and Power PerformanceAt the heart of the SD22 is a high-performance, turbocharged, direct-injection diesel engine. Typically equipped with a powerful WEICHAI WD10G220E23 engine (or similar compliant power unit depending on the emission standards), it produces a net power of approximately 162 kW (220 HP) at 2,200 rpm. This provides ample power and torque reserve for heavy grading, ditching, and scarifying work. The engine meets Tier 3 / Stage IIIA emission standards, balancing environmental compliance with fuel efficiency. A large-capacity fuel tank ensures extended operating hours between refueling, boosting job site productivity.

2. Transmission and DrivetrainThe SD22 features a power-shift transmission with multiple forward and reverse gears, providing smooth on-the-go shifting and optimized speed matching for various working conditions. The transmission is typically a countershaft power-shift type with 6 forward and 3 reverse gears, allowing the operator to select the ideal speed for fine grading, spreading, or heavy blading. The drive axles are heavy-duty, with a no-spin differential on the rear tandem axles to deliver superior traction even on slippery or loose surfaces. The tandem drive system utilizes oil-immersed, multi-disc brakes that are highly reliable and require minimal maintenance. Shantui’s proprietary drive axle technology ensures power is effectively transferred to the ground, reducing wheel slip and tire wear.

3. Hydraulic SystemThe SD22 is equipped with a load-sensing, variable-displacement piston pump hydraulic system. This advanced system supplies oil on demand, meaning it only provides flow when a function is activated, significantly reducing energy consumption and heat generation. The proportional priority and pressure-compensated control valves give the operator precise, feather-touch control over all blade movements and auxiliary functions. This results in highly accurate grading performance and smooth, simultaneous multi-function operation. Key blade functions—lift, angle, tilt, and circle rotation—are all hydraulically powered and responsive.

4. Blade, Circle, and MoldboardThe working group is the core of the SD22’s performance. It features a heavy-duty, high-clearance A-frame drawbar and a large-diameter forged steel circle that is heat-treated for durability. The circle is rotated by a hydraulic motor driving a pinion through a segmented gear ring, and it is supported by adjustable wear shoes for long service life.

The moldboard (blade) is typically 3,962 mm (13 ft) long and has a high profile for excellent material rolling and mixing action. The blade is made of high-strength, wear-resistant steel, and the cutting edge and end bits are replaceable. The blade suspension system allows extensive blade reach outside the tires for slope cutting and ditch work. A blade tip cylinder enables the operator to tilt the moldboard forward or backward hydraulically to achieve the best cutting angle for different material conditions.

5. Operator Cab and ComfortOperator comfort is a priority in the SD22. The spacious, fully enclosed ROPS/FOPS (Roll-Over/Fall-On Protective Structure) cab is designed to reduce noise and vibration. Features include:

A fully adjustable, air-suspended, high-back seat with armrests.
An optimized control layout with low-effort pilot hydraulic joysticks or lever controls, placed ergonomically to minimize fatigue.
A high-performance heating and air-conditioning (HVAC) system with defrost function for all-weather comfort.
A tilting and telescoping steering column.
Excellent all-around visibility through large tempered glass windows, with a sloping rear engine hood that gives a clear view of the ripper and rear ground.
An optional integrated LCD monitor that displays machine parameters, diagnostics, and rear-view camera feed.

6. Structural Frame and DurabilityThe SD22 is built with a high-strength, box-section welded frame designed to withstand torsional stress and heavy loads. The articulated frame joint uses a robust, serviceable pivot pin with tapered roller bearings, allowing the machine to articulate left and right for a tight turning radius and excellent maneuverability. The machine can also lean its front wheels hydraulically to counteract side draft when grading on slopes. Major structural components are manufactured using robotic welding and undergo stress-relief treatment to ensure long-term structural integrity.

7. Maintenance and ServiceabilityShantui has designed the SD22 for easy daily maintenance. The engine hood opens wide, providing ground-level or platform-level access to all checkpoints, filters, and the engine. Key centralized lubrication banks and easily accessible grease fittings minimize downtime. The hydraulic system has diagnostic quick-couplers for pressure testing. Wet-disc brake systems are sealed and have extended service intervals. The modular design of components such as the radiator, oil cooler, and intercooler allows for easy cleaning and maintenance.

8. Attachments and ConfigurationsThe SD22 can be configured with a variety of attachments to increase versatility:

Front Dozer Blade: For light dozing and spreading material.
Rear Ripper/Scarifier: Usually a 3-shank parallelogram-style ripper for breaking up hard soil or asphalt.
Front Scarifier: Mounted ahead of the front wheels for medium-duty loosening.
Snow Wing and V-Plow: For snow clearing operations on roads and airfields.
Automatic blade control systems (e.g., Topcon or Trimble ready) can be installed for millimeter-accurate finishing work.

9. Key Specifications (Typical Configuration)

Operating Weight: Approx. 16,900 kg
Rated Power: 162 kW (220 HP) @ 2,200 rpm
Blade Length: 3,962 mm (13 ft)
Blade Height: 620 mm
Max. Blade Lift Above Ground: Approx. 450 mm
Max. Cutting Depth: Approx. 500 mm
Max. Forward Speed: ~38 km/h
Max. Reverse Speed: ~25 km/h
Turning Radius (at outer tire): Approx. 7.8 m
Articulation Angle: ±25°
Front Wheel Lean Angle: ±17°
Fuel Tank Capacity: 280 L

10. ApplicationsThe SHANTUI SD22 is a versatile machine ideal for:

Spreading and grading of base materials in highway and railway construction.
Maintenance of unpaved and gravel roads.
Ditching and slope cutting.
Land leveling for agriculture, airports, and large commercial sites.
Snow removal operations.
Mixing and scarifying soils in reclamation projects.

In summary, the SHANTUI SD22 motor grader is a high-value machine that delivers powerful performance, precise control, and outstanding reliability. It is a trusted choice for contractors who need a productive and low-cost-per-hour grading solution in the most demanding conditions.

Non flooded

No accident

Original product

Used Shantui SD22 Bulldozer

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