Earthmoving Equipment

Why Choose Us

Our Products
The KOTAI product line of more than 100 machines, attachments, power systems and parts reflects our commitment to our customers' success. We will remain the leader by helping our customers meet their needs with durable and reliable equipment.Product offerings include articulated trucks, backhoe loaders, dozers, engines, excavators, generators, motor graders, skid steer loaders and wheel loaders.

OEM Services
We have world-class technology and custom services that can be tailored to your budget and goals.

Production Market
Since the establishment of the company, Kotai Heavy Industry has always adhered to the principle of people-oriented and customer demand-oriented. The rollers it produces are exported to more than 60 countries in the Middle East, Africa, America, Southeast Asia, Central Asia, etc.

Technical Support
Our team of experts is available to assist with troubleshooting, answer technical inquiries, and provide guidance.

Types of Earthmoving Equipment

The earthmoving equipment produced by our company mainly include the following types:

Crawler Bulldozer

Crawler Bulldozer is a kind of heavy construction machinery, which is widely used in construction, mining, road construction and land reclamation and other engineering projects. The bulldozer uses a hydraulic system to control various operations, including the lifting and tilting of the blade, providing greater accuracy and flexibility than conventional mechanical operations. The crawler design allows the bulldozer to maintain good stability and traction on all kinds of terrain, especially soft, muddy or rough ground.

Model	KBD160	KBD320
Type	160HP Swamp Crawler Dozer	320HP Standard Crawler Dozer
Engine model	Weichai WD10G178E25	CUMMINS NTA855-C360S10
Displacement (L)	9.726	14.01
Rated power (kw/rpm)	131/1850	257/2000
Max.torque (N.m/rpm)	830/1000-1200	1400/1 440
Operating weight	18.4 Ton	37.2 Ton
Dimension(no ripper) (mm)	5262x4150x3074	6880x 4130x3688
Grounding Length (mm)	2935	3150
Forward Speed (Km/h)	F1:0-3.29 F2:0-5.82 F3:0-9.63	F1:0-3.6 F2:0-6.6 F3:0-11.5
Rear Speed (Km/h)	R1:0-4.28 R2:0-7.59 R3:0-12.53	F1:0-4.4 F2:0-7.8 F3:0-13.5

Diesel Skid Steer Loader

The biggest feature of the Skid Steer Loader is that the overall size is small, and it can realize the in-situ steering, and skid Steer loaders can be quickly replaced or connected to various working devices at the job site. Because its minimum steering radius is less than half of the same class of articulated loaders, it is especially suitable for operation in narrow places such as urban infrastructure, roads or construction sites, factory workshops, warehouses, docks, ship decks and even cabins.

Model	KSL03	KSL07	KSL08	KSL12
Front turning radius (without attachments)(mm)	610	1200	1200	1180
Front turning radius(mm)	1935	2010	2010	2050
Rear turning radius(mm)	820	1520	1520	1580
Operating weight(kg)	1640	2800	2900	3500
Rated load(kg)	344	752	899	1230
Overturning load(kg)	720	1504	1600	2460
*Lengthwidthheight(mm)*	26759801840	332015302000	332018202000	346018202000
Rated power(kw)	18.5	44.8	36	63
Standard emissions	Standard 4	ES Standard 5	ES Standard 3A	ES Starndard 3A

Advantages of Earthmoving Equipment

Advantages Of Crawler Bulldozer

Superior Traction and Stability: Crawler bulldozers are equipped with continuous tracks that provide excellent grip and stability, especially on uneven, muddy, or rough terrain. This increased traction makes them less likely to slip or get stuck in challenging environments. The weight distribution of the tracks also creates a lower center of gravity, which improves stability on slopes and uneven surfaces.

Ideal for Rough and Uneven Terrain: Their tracks make them well-suited for navigating rough terrain, including areas with no established haul roads. They can easily move over obstacles and uneven surfaces, such as rocks, mud, and sand.

Heavy-Duty Performance: Crawler bulldozers are built with powerful engines and robust designs, enabling them to handle heavy workloads and move massive amounts of material effortlessly. They excel at tasks like land clearing, grading, and pushing heavy materials.

Suitable for Heavy Earthmoving: Crawler bulldozers are specifically designed for demanding earthmoving tasks, such as clearing land, excavating foundations, and backfilling trenches. Their strength and durability make them invaluable for large-scale construction and mining projects.

Excellent for Steep Slopes: Crawler bulldozers provide the necessary traction and stability to operate safely on steep slopes and uneven terrain. Their tracks distribute weight evenly, reducing the risk of slipping or tipping.

Can Break Up Hard Surfaces: Many crawler bulldozers are equipped with a ripper, a claw-like attachment mounted at the rear that helps break up hard or compacted soil and rock. This feature is particularly useful for tasks like clearing dense land and mining operations.

Durability and Less Maintenance: Crawler bulldozers are typically designed to be durable and require less maintenance than other heavy equipment. With proper care, they can provide many years of reliable service.

Advantages of Diesel Skid Steer Loader

Powerful Performance

Despite their small size, diesel skid steers pack a punch. The diesel engines provide high torque and power, enabling these machines to handle demanding tasks such as grading, excavating, and lifting heavy materials.

Versatile Attachments

Skid steer loaders are compatible with a wide variety of attachments, including buckets, forks, augers, and more. This versatility allows operators to switch between tasks quickly, making the loader suitable for different applications, from landscaping to construction.

Enhanced Fuel Efficiency

Diesel engines are generally more fuel-efficient than their gasoline counterparts, offering lower operational costs over time. This efficiency makes diesel skid steers an economical choice for contractors and businesses that rely on heavy machinery.

Application of Earthmoving Equipment

Application of Crawler Bulldozer

Construction

Crawler bulldozers are used for tasks like leveling land, clearing debris, and preparing foundations. Their powerful blades and tracks make them ideal for rough construction sites.

Mining

Crawler bulldozers play an important role in mining operations, helping to move large amounts of soil, rocks, and minerals. They are used to clear land, dig trenches, and support excavation activities.

Agriculture

In farming, crawler bulldozers are used for soil tilling and land preparation. Their ability to move through rough terrain makes them useful for clearing fields and creating roads through farmland.

Application of Diesel Skid Steer Loader

Landscaping

Skid steers are perfect for landscaping tasks such as soil grading, planting, and hauling materials like rocks and mulch. Their ability to maneuver in tight spaces makes them ideal for residential landscaping projects.

Construction

In construction, skid steers are invaluable for excavation, trenching, and material handling. Their powerful lift capabilities and attachment versatility make them essential on any job site.

Agriculture

Farmers use skid steer loaders for various tasks, including feeding livestock, clearing debris, and transporting materials around the farm.

Snow Removal

During winter, skid steers can be equipped with snowplows or snow blowers, making them effective tools for snow removal in commercial and residential areas.

Packing And Delivery

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Our Certificates

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FAQ

Q: How can we guarantee quality?

A: Always a pre-production sample before mass production; Always final Inspection before shipment;

Q: What can you buy from us?

A: Full hydraulic road roller, Excavators, Bulldozer, Forklift, Wheel Loader.

Q: Why should you buy from us not from other suppliers?

A: Our campany is a wholly-owned subsidiary of KOTAI, responsible for KOTAI's import and export business,KOTAI researchs and manufacture of road construction machinery \mining machinery and high-end structural parts.

Q: What services can we provide?

A: Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP,FCA, DDP, DDU；
Accepted Payment Currency: USD, EUR, HKD, CNY;
Accepted Payment Type: TT, LC, Credit Card, PayPal, Western Union;
Language Spoken:English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian.

Q: What is the difference between a wheel dozer and a crawler dozer?

A: With wheeled dozers, the weight is only distributed between the four wheels, which means a loss of power conversion, which in turn leads to less pushing power than with crawler dozers. For this reason, among others, a wheeled dozer is not as effective at performing work in muddy terrains as a crawler dozer.

Q: Why do some dozers have high tracks?

A: High-track bulldozers are designed that way mainly for durability and easier maintenance. The elevated sprockets help reduce wear on the final drive components by keeping them out of the dirt and debris. Plus, they make it easier to replace track rollers without messing with the entire undercarriage.

Q: What is the difference between a high track and low track dozer?

A: High-track dozers, also known as those with an elevated sprocket, offer advantages like better traction, especially on steep slopes and soft ground, while low-track dozers are often more durable and easier to maintain. High-track designs can lead to more wear on the tracks due to the additional bending points, but they also allow for easier servicing of the final drives and the transmission. Low-track dozers, with their lower center of gravity, can be more stable on steep slopes.

Q: What is a diesel skid steer loader?

A: A skid steer loader is a versatile piece of construction equipment known for its maneuverability. It's called a “skid steer” because it turns by skidding, with each side's wheels or tracks moving at different speeds or in opposite directions. A diesel skid steer loader is powered by a diesel engine, offering advantages like higher torque and fuel efficiency, especially for heavy-duty tasks.

Q: How does a diesel skid steer compare to an electric one?

A: Electric skid steers offer benefits like reduced operating costs, lower maintenance needs, and zero emissions, making them suitable for indoor use and environmentally sensitive areas. However, diesel models offer longer runtime and compatibility with various attachments, which can be crucial for demanding tasks or remote job sites.

Q: What kind of maintenance is required for a diesel skid steer loader?

A: Regular maintenance, including oil changes, filter replacements, and checking for fluid leaks, is crucial to ensure the optimal performance and longevity of a diesel skid steer loader.

KOTAI:Your Professional Earthmoving Equipment Manufacturer!