SHANTUI SD42-3 Heavy Crawler Bulldozer 420HP for Mining

Name: SHANTUI SD42-3 Heavy Crawler Bulldozer 420HP for Mining
SKU: SKU-327

Dominating the toughest mining and heavy earthmoving jobs, the brand new SHANTUI SD42-3 Crawler Bulldozer delivers a massive 420HP (450HP Gross Power) of raw performance! Boasting a 54.5-ton operating weight, this heavy-duty dozer is equipped with an advanced A19-C525 turbocharged intercooled engine and Shantui’s market-proven planetary power shift transmission. Its specialized K-type elastic suspended undercarriage system provides exceptional stability on a 3560mm ground length, ensuring smooth trafficability in severe environments.

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Product Details

Heavy Bulldozers
SHANTUI — Heavy-Duty Mining & Earthmoving Series

SHANTUI SD42-3 420HP Heavy Crawler Bulldozer

The SHANTUI SD42-3 is a high-capacity, 420-horsepower class heavy crawler dozer engineered explicitly for massive mining operations, large-scale earthmoving projects, and severe infrastructure environments. Driven by a powerful 15.9L A19-C525 turbocharged engine, this 54.5-ton powerhouse integrates perfectly matched powertrain curves with Shantui’s self-made drive system to ensure unparalleled transmission efficiency. Featuring an innovative K-type elastic suspended undercarriage, a massive 16 m³ Semi-U dozing blade, and an aggressive single-shank rear ripper, the SD42-3 achieves outstanding working adaptability and stability on the most challenging worksites worldwide.

General Machine Performance

Brand Supplier	SHANTUI Construction Machinery Co., Ltd.
Model & Type	SD42-3 (Heavy Duty Crawler Dozer)
Operating Weight	54.5 Tons (54,500 kg — Rear Single-shank Ripper Included)
Gradeability Limit	30° Maximum operational slope angle
Machine Stability Angle	35° Structural stability tipping threshold

High-Output Engine & Powertrain Curves

Engine Model	A19-C525 — In-line, water-cooled, 4-cycle, turbo charged, intercooled, direct injection
Gross Horsepower	450 HP (340 kW) @ 2000 rpm
Net Horsepower	420 HP (313 kW) @ 2000 rpm
Cylinder Configuration	6 Cylinders — 150 × 150 mm (Bore × Stroke)
Piston Displacement	15.9 Liters Big displacement
Torque Converter	3-element, 1-stage, 1-phase heavy fluid coupler
Transmission Assembly	Planetary gear, multi-disc clutch, hydraulically connected, forced lubrication

3-Speed Power Shift Travel Ranges

Direction	1st Gear	2nd Gear	3rd Gear
Forward Speed	0 – 3.7 km/h	0 – 6.8 km/h	0 – 12.2 km/h
Reverse Speed	0 – 4.4 km/h	0 – 8.2 km/h	0 – 14.8 km/h

Dozer Blade Attachments & Optional Rear Ripper

Standard Blade Type	Semi-U Dozer Blade (Provides maximum mass earth retention)
Dozing Holding Capacity	16 m³ Massive Capacity
Blade Structural Scale	4314 × 1875 mm (Width × Height)
Blade Clearance Boundaries	Max Drop Below Ground: 700 mm \| Max Lifting Height: 1545 mm
Optional Rear Attachment	Heavy-Duty Single-Shank Ripper (Ideal for rock breaking)
Ripper Working Penetration	Maximum Ripping Depth: 1400 mm \| Maximum Lifting Height: 1130 mm

Undercarriage Suspension & High-Pressure Hydraulics

Undercarriage Structure	K-type elastic suspended structure, connected with frame pivot for optimized leveling stability
Track Layout (Each Side)	7 Track Rollers \| 2 Carrier Rollers \| 41 Track Shoes (Link master, sealed, lubricated type)
Track Shoe Scaling	Width: 610 mm \| Pitch: 260.35 mm \| Track Gauge: 2260 mm \| Ground Length: 3560 mm
Hydraulic Pump & Discharge	High-capacity Gear Pump \| System Discharge: 243 L/min
Max Pressure & Cylinders	Maximum System Pressure: 14 MPa \| Dual Working Cylinders Bore: 110 mm × 2

Key Operational Benefits of the SHANTUI SD42-3

Premium Driving Environment

Spacious hexahedral cab providing broad vision, equipped with electronic control hand/foot accelerators, smart diagnostics display terminal, full A/C climate systems, and optional ROPS/FOPS structures for elevated worksite safety.

Extensive Severe Adaptability

Engineered with an ultra-stable chassis framework achieving supreme ground clearance and trafficability. Can configure Straight Tilting, U, Angle, Coal, Rock, or Environmental Sanitation blades based on severe operational matrices, along with bright optional LED night working lamps.

One-Stop Simplified Maintenance

Large-space openable side hoods make service points easily accessible. Fuel filter elements and air filters are grouped on the same side to realize one-stop maintenance checks. Harnesses are protected via rugged corrugated tubing.

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