Used Shantui SD32 Bulldozer

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Here is a comprehensive introduction to the SHANTUI SD32 bulldozer in English. (Please note: The SHANTUI SD32 is a crawler bulldozer, not a motor grader. The term “grader” might be a misnomer; however, the detailed information below accurately reflects the SD32 bulldozer, one of Shantui’s flagship large earthmoving machines.)

SHANTUI SD32 Bulldozer: Comprehensive Introduction

The SHANTUI SD32 is a heavy-duty, semi-rigid suspended crawler bulldozer designed for large-scale earthmoving, mining, water conservancy, and heavy infrastructure projects. As part of Shantui’s renowned SD series, it delivers exceptional power, reliability, and operational efficiency. Below is a detailed overview of its features, systems, and specifications.

1. Engine and Power System

Model: Cummins QSNT-C345 (or Weichai WD12G336E26 in some configurations, depending on the market)
Type: In-line 6-cylinder, water-cooled, turbocharged and after-cooled diesel engine
Rated Power (Net): 239 kW (320 HP) at 2,000 rpm
Max Torque: 1,490 N·m @ 1,300–1,500 rpm
Displacement: 11.8 liters
Emission Compliance: Meets China Stage III / Tier 3 equivalent standards; optional configurations for higher emission norms
Fuel System: Direct injection with high-pressure common rail (on later models)
Air Cleaner: Dual-stage dry-type air filter with pre-cleaner and safety element
Cooling System: Modular radiator with separate charge-air cooler; hydraulically driven fan with intelligent temperature control

The engine is engineered for high torque at low RPM, providing powerful drawbar pull and consistent performance under heavy loads. The torque reserve is ample, ensuring the machine can push through hard materials without stalling.

2. Powertrain and Drivetrain

Torque Converter: Single-stage, single-phase, three-element hydraulic torque converter with high efficiency and automatic stall protection
Transmission: Full powershift planetary transmission with 3 forward and 3 reverse gears
- Forward speeds: 3.2 km/h (1st), 5.9 km/h (2nd), 10.4 km/h (3rd)
- Reverse speeds: 3.9 km/h (1st), 7.1 km/h (2nd), 12.5 km/h (3rd)
Steering System: Hydraulically actuated, wet-type multi-disc steering clutches and brakes
Final Drives: Spiral bevel gear, single-stage planetary reduction, splash-lubricated
Drawbar Pull: Maximum 310 kN (depending on conditions)

The powershift transmission allows smooth, on-the-go gear changes without stopping, significantly boosting productivity. The wet-type steering clutches and brakes are maintenance-free and provide reliable, precise steering control even under extreme conditions.

3. Undercarriage and Suspension

Suspension Type: Semi-rigid with equalizer beam and swing-type track frame
Track Type: Sealed and lubricated tracks (SALT) with induction-hardened pins and bushings
Track Shoe Width: 560 mm (standard), optional 610 mm or 710 mm for low ground pressure applications
Number of Track Shoes (each side): 41
Track Gauge: 2,140 mm
Ground Contact Length: 3,150 mm
Ground Pressure: Approximately 0.098 MPa (with 560 mm shoes)
Idlers and Rollers:
- 2 carrier rollers per side
- 7 track rollers per side (with one shock-absorbing design)
Sprocket: Replaceable segmented sprocket for easy maintenance

The elevated drive sprocket design (if applicable on specific SD32 variants) helps isolate the final drive from ground impacts, extending component life. The robust undercarriage is built for harsh working conditions in rock and abrasive materials.

4. Blade and Work Equipment

Blade Type: Semi-U blade (standard); optional straight blade, angle blade, or rock guard configurations
Blade Capacity (Semi-U): 10.4 m³ (13.6 yd³)
Blade Width (Semi-U): 4,130 mm (with side plates)
Blade Height: 1,590 mm
Maximum Blade Lift Above Ground: 1,020 mm
Maximum Drop Below Ground: 550 mm
Blade Tilt Adjustment: Hydraulic, 350 mm
Maximum Digging Depth: 680 mm
Blade Control: Pilot-operated hydraulic control valve with precise modulation
Ripper (Optional):
- Type: Three-shank parallelogram ripper (standard for heavy ripping) or single-shank giant ripper
- Maximum Ripping Depth: 668 mm (three-shank)
- Penetration Force: High, suitable for fractured rock and compacted soil

The blade is constructed from high-strength, wear-resistant steel with reinforced cutting edges and end bits. The hydraulic system is load-sensing, ensuring smooth and responsive blade movements while minimizing energy consumption.

5. Hydraulic System

System Type: Closed-center, load-sensing hydraulic system with variable displacement piston pump
Main Pump: Variable-displacement axial piston pump
Max System Pressure: 21 MPa
Hydraulic Tank Capacity: 130 L
Cylinders:
- Blade lift cylinders: 2 × double-acting
- Blade tilt cylinder: 1 × double-acting
- Ripper cylinders (if equipped): 2 or 3 double-acting
Filtration: High-pressure inline filters and return oil filters with 10-micron rating

The load-sensing system ensures that hydraulic flow is supplied only when and where it is needed, reducing heat buildup and saving fuel. The controls are ergonomically placed for low operator fatigue.

6. Operator Environment and Cab

Cab Type: ROPS/FOPS certified, fully sealed and pressurized
Interior Noise Level: Below 78 dB(A)
Air Conditioning: Automatic climate control with high-capacity heater and air conditioner
Seat: Air-suspension, adjustable armrest, and retractable seat belt
Instrumentation:
- Multi-function LCD monitor displaying engine RPM, temperature, fuel level, gear selection, system warnings, and diagnostic codes
- Analog backup gauges for critical parameters
Controls:
- Ergonomic pilot-operated joysticks for blade and ripper
- Steering levers with palm-operated forward/reverse and gear shift buttons
- Electronic throttle pedal
Visibility:
- Tinted, laminated safety glass
- Wide-angle rearview mirrors
- Optional rearview camera system
Storage: Document box, cup holder, and space for personal items

The cab is mounted on vibration-damping pads to reduce whole-body vibration. The large glass area provides excellent visibility to the blade corners and rear ripper area, enhancing safety and precision.

7. Safety and Serviceability

Safety Features:
- Emergency engine shut-off switch
- Seat belt interlock warning
- Fire extinguisher mount
- Non-slip steps and handrails
- Horn and backup alarm
- Lighting package: Halogen working lights (front, rear, and side)
Service Accessibility:
- Large, gas-strut-assisted engine hood for full access
- Centralized remote grease points for hard-to-reach pins
- Grouped hydraulic test ports
- Swing-out oil cooler and radiator for cleaning
- Ground-level access to engine oil dipstick, fuel/water separator, and fuel filters
- Vandalism-resistant locking caps for fuel and hydraulic tanks

The machine is designed for quick daily checks and easy component replacement, reducing downtime. The modular design of the radiator and cooler assembly allows for single-person cleaning.

8. Technical Specifications (Summary)

Parameter	Value
Operating Weight (with Semi-U blade & ripper)	~37,200 kg (82,010 lb)
Length (basic machine)	6,660 mm
Width (over tracks)	2,810 mm
Height (to top of exhaust)	3,510 mm
Engine Rated Power	239 kW (320 HP)
Fuel Tank Capacity	500 L
Hydraulic Fluid Capacity	130 L
Blade Capacity (Semi-U)	10.4 m³
Max Drawbar Pull	310 kN

9. Applications and Attachments

The SD32 excels in:

Heavy ripping and dozing in hard rock and frozen ground
Large-scale mining stripping and reclamation
Dam and road construction
Land clearing and forestry (with appropriate guarding)
Bulk material stockpile management

Common attachments include:

Semi-U, U, and angle blades
Single-shank or multi-shank rippers
Rear-mounted drawbar or winch
Laser and GPS grading systems (for fine grading applications)
Rock guards and sweeps
Low-ground-pressure (LGP) track configuration

10. Key Advantages

Proven Reliability: Built with a heavy-duty frame and major components from world-renowned suppliers (Cummins, Dana, Bosch Rexroth, etc.), ensuring long service life.
Ease of Operation: Intuitive pilot controls and a comfortable, climate-controlled cab reduce operator fatigue and improve productivity.
Serviceability: Ground-level daily checks, centralized grease banks, and modular cooling system make maintenance fast and straightforward.
Fuel Efficiency: The load-sensing hydraulics and high-efficiency powertrain match power to the load, delivering excellent fuel economy per cubic meter of material moved.
Global Support: Backed by Shantui’s extensive international dealer network and parts availability.

Note for the Reader: If you were searching for a Shantui motor grader, the correct model series is the SG series (e.g., SG21, SG18). The SD32 described above is a crawler bulldozer, despite the query mentioning “grader.” Should you require information on a Shantui motor grader, please specify the model, and I will be happy to provide that.

Non flooded

No accident

Original product

Used Shantui SD32 Bulldozer

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