Road construction and mining projects need machinery with both power, accuracy and durability. The SD16 bulldozer, manufactured by Shantui, has emerged as a game-changer in these sectors, offering unmatched efficiency and reliability. But, what makes this machine stand out? Let’s explore its characteristics, applications and why it is the first choice for professionals all over the world.
What is the SD16 bulldozer?
SD16 bulldozer is a medium-sized earth-moving machine, which is designed for heavy tasks such as road construction, mining and water conservancy projects. Powered by a 125 kW (170 hp) Weichai WP 6G 175 e 331 engine, it delivers exceptional performance while maintaining fuel efficiency. Its blade capacity of 3.8 meters and the maximum thrust of 230 kn make it easy to handle large number of soil, rock and debris.
The main advantages of the SD16 bulldozer
1. Strong engine performance
The SD16 bulldozer is powered by Wei Chai’s WP 6G 175 e 331 national III engine, with rated power of 125 kW (170 HP), maximum torque of 680 N m, and rotating speed of 1400-1600 r/minute. Laboratory tests have shown that its fuel consumption during earthmoving operations is ≤ 18 l/h, which is lower than the industry average of 20 l/h for similar-sized machines. As time goes by, this efficient fuel consumption translates to cost savings, making the SD16 an economic choice for long-term projects.
2.Accuracy and control
It is equipped with a hydro-mechanical transmission device, which can provide smooth gear shifting (response time of ≤ 0.8 seconds) and a minimum turning radius of 4.5 meters.
The electro-hydraulic proportional control valve can ensure the 5 mm precision of blade adjustments, which is very important for fine classification tasks.
3.Durability under extreme conditions
Under the accelerated wear test, NM 450 wear-resistant steel track shoe can last for 6000 hours, while standard steel track shoe can last for 4000 hours.The hydraulic system runs under the pressure of 21 MPa, and even if it is used for 1000 hours continuously, there will be no leakage.
Product Specifications
| Feature | Specification |
| Engine | Weichai WP6G175E331 (125kW, 170 hp) |
| Blade Capacity | 3.8m³ |
| Max. Pushing Force | 230kN |
| Gradeability | 30° (empty), 25° (loaded) |
| Fuel Consumption | ≤18L/h (lab-tested) |
| Track Plate Material | NM450 wear-resistant steel (HRC 45-48) |
| Hydraulic Pressure | 21MPa |
| Certifications | ISO 3471:2008、CE 2006/42/EC、China NR3 |
（Source：http://www.cncma.org/）
Main uses of the SD16 bulldozer
1.The road Construction
SD16 bulldozer is widely used in bulldozer road construction projects, and its powerful engine and accurate control make it ideal choice for site preparation, leveling and compaction. It can deal with all kinds of soil types and work efficiently in challenging terrains, thus ensuring that road construction projects are completed on time within budget.(e. G. Riyadh Highway Expansion Project of China Construction Municipal Engineering Co., Ltd., Saudi Arabia.)
2. Mining Operations
In mining operations, the SD16 bulldozer is used for tasks such as overburden removal, ore transportation and site restoration. Its solid design and high durability make it suitable for the harsh conditions often encountered in mining sites, and its efficient oil consumption helps to reduce operating costs.(e. G.Shanxi Coking Coal Group, Rio Tinto Iron Ore Project in Australia.)
3.Water conservancy project
SD16 bulldozer is also used in water conservancy projects such as river excavation and dam construction. Its ability to work in wet and muddy conditions, combined with its high pushing force, makes it an invaluable asset in these applications.）(e. G. China Water Resources and Hydropower.)
Common problems
Q 1:What should I do if the bulldozer lacks power and has difficulty climbing?
A :1.Check whether the air filter is blocked (replace the filter every 500 hours);2.Test the fuel injection system pressure (standard 10 MPa, if the pressure is insufficient, adjust the injector);3.Check the transmission oil level (standard oil level is 2/3 of the dipstick, and if the oil level is low, add gear oil).
Q 2: If the lifting speed of the bulldozer is slow and the rated load can not be raised, what could be the reason?
A :1.Check the oil level of the hydraulic oil (if it is lower than the standard oil level, add HV 46 hydraulic oil);2.Disassemble the hydraulic pump and check the blade wear (replace it if the blade thickness wear exceeds 0.5 mm);3.Test the pressure of the load sensitive valve (standard 21 MPa, if the pressure is abnormal, calibrate the valve core).
Q 3: If the engine can’t start at low temperature, how can I troubleshoot it?
A :1.Confirm the state of the preheating system (preheat at-30 degrees Celsius for 30 minutes, and replace the preheating plug if the preheating lamp does not work);2.Check the fuel grade (use -35 # diesel oil in low temperature environment to prevent waxing);3.Test the battery voltage (standard 24 v, if the voltage is lower than 22 v, charge or replace it).
Q 4: What should I do if the track becomes loose and derailed?
A :1.Adjust the crawler belt tensioner (inject grease through the grease cylinder, standard tension is 80 kN, and check with a pressure gauge);2. Check whether the support rollers is worn (if the roller diameter is worn more than 5 mm, replace it);3.Avoid sharp turning during operation (turn angle ≤ 15 to reduce lateral force on the track).
Q 5: If the oil temperature in the hydraulic system exceeds 70 degrees Celsius, how can I solve this problem?
A :1.Clean the dust on the surface of the hydraulic oil cooler (wash it once a week with a high pressure water gun);2.Check the viscosity of hydraulic oil (in high-temperature environment, change it to HV 68 hydraulic oil);3. Check whether the hydraulic pipeline is blocked (remove the pipeline and purge it with compressed air to ensure smooth flow).
Conclusion
By understanding the unique advantages, technical specifications and applications of the SD16 bulldozer, you can make a wise decision when choosing the right machine for road construction or other earthwork. Its strong performance, durability and cost-effectiveness make it the first choice in the industry.
