Products video
Products Description
|
Brand |
Width |
Model |
Capacity |
Product Name |
|
CAT |
4262 mm |
D8R |
11.7m³ |
U Blade |
We supply all models of D8R Blade If you need to know other models, please contact us.
Product Details
|
Product Name |
Blade |
|
Origin |
United States |
| Model | D8R |
|
Price |
Negotiable |
| Brand Name | STONE |
|
Packing Details |
Standard Export Packing |
|
Delivery Time |
0-30 Days |
|
Payment Term |
L/C, T/T |
|
Price Term |
FOB, CIF, CFR |
|
Supply Capacity |
1000 PCS/Month |
|
Minimum Order Quantity |
1 PC |
|
Material |
High strength wear resistant steel |
|
Technology |
Precision Machining |
|
Surface |
Treatment Anti-Corrosion Coating |
|
Quality |
Original Factory Standard |
|
After-Sales Service |
Full Support, Online Service |
|
Color |
Standard Caterpillar Yellow or Customizable |
|
Application |
Bulldozer |
|
Customizable |
including customized materials, surface treatment and specifications |
Product Information
D8R Bulldozer Information
-
Engine Model：3406C
-
Engine Power：247 kW
-
Ground Contact Area：3.91 m²
-
Width - Shoe：610 mm
-
Ground Clearance：613 mm
-
Operating Weight：37920 kg
Standard Blade
| Width | 3937mm |
| Height | 1690mm |
| Capacity | 8.8m³ |
| Cutting Depth | 582mm |
Blade
| A-Blade Capacity | 4.7 m³ |
| U-Blade Width | 4262 mm |
| SU - Blade Capacity | 8.7 m³ |
| SU LGP - Blade Width | 4400 mm |
| SU LGP - Blade Capacity | 8.5 m³ |
| A-Blade Width | 4978 mm |
| SU - Blade Width | 3937 mm |
| U-Blade Capacity | 11.7 m³ |
| A |
Length W/ Blade |
6398 mm |
| B | Width Over Tracks | 2642mm |
| C | Height To Top Of Cab | 3498 mm |
| D | Length of Track On Ground | 3206 mm |
| E | Ground Clearance | 528mm |
| F |
Length W/O Blade |
4554mm |
| G | Track Gauge | 2082mm |
| H | Standard Shoe Size | 560mm |
Number Of Shoes Per Side |
44 | |
Ground Pressure |
90.33kPa | |
Ground Contact Area |
3.59m² | |
Number Of Track Rollers Per Side |
8 | |
Track Pitch |
216mm |
Product Advantages
High-strength structure:
The dozer U blade is made of high-carbon wear-resistant alloy steel, with a focus on strengthening the blade edge, side plates and arc-shaped connection parts, significantly improving wear and impact resistance.
The key stress-bearing areas are welded in box-type structures and designed with reinforcing ribs to disperse stress concentration and avoid deformation caused by heavy loads or impact of hard materials.
It is particularly suitable for high-intensity operations such as mine stripping and rock crushing. It can withstand long-term high-load conditions and reduce maintenance frequency.
Lightweight design:
The arc area of the dozer U blade adopts a variable thickness plate design, which reduces the overall weight while ensuring the strength of the core area (about 10%-15% lighter than traditional blades).
After being lightweighted, the weight distribution of the whole machine is more reasonable, reducing the pressure on the tracks and transmission system.
The reduced weight directly reduces fuel consumption (fuel efficiency increases by approximately 5% to 8%), while enhancing the maneuverability of the bulldozer, making it particularly suitable for long-distance material pushing or frequent turning conditions.
Surface optimization:
The semi-U-shaped surface of the D8R dozer U blade adopts a compound curvature design. The middle part of the blade is recessed more deeply and the two sides taper to form a natural diversion channel.
The curvature of the surface conforms to the flow trajectory of soil/gravel, reducing lateral scattering of materials and energy loss during the pushing process.
Compared with the S Blade, the curved surface of the U Blade can reduce the pushing resistance by about 15%-20% and increase the single bulldozing volume by more than 10%. It is especially suitable for the centralized transportation of loose sand, clay and other materials.
Anti-soil roll design:
The front edge of the dozer U blade adopts a stepped edge or a slightly inclined angle design (about 5°8°), so that the material slides naturally into the bucket when it contacts the blade, avoiding accumulation at the edge.
Some models have a deflector or non-stick coating (such as polyurethane coating) added to the back of the blade to further prevent wet and sticky soil or ice and snow from sticking.
The frequency of stopping to clean the blade is reduced, and the continuous operation time is extended by 20%-30%, which is particularly prominent in scenarios such as agricultural land leveling and frozen soil excavation.
Market Positioning:
U Blade is widely used in projects that require efficient and centralized transportation, such as mining, farmland reconstruction, and port reclamation, due to its large capacity, low resistance, and anti-adhesion properties.
Competitive product differences: Compared with the Komatsu D85EX U-shaped blade, the Carter D8R U Blade has more advantages in wear-resistant coating technology and surface curvature adaptability, especially in the more sophisticated design for high-wear working conditions.
If you need further technical parameters (such as blade capacity, curvature radius, etc.), please contact us to customize a customized solution.
Work Scene
Level the foundation
The D8R dozer U blade, with its unique large-arc curved surface design and high side panel structure, has become a powerful assistant for foundation leveling. In conjunction with the laser leveling system, it can achieve millimeter-level base leveling accuracy. This curved surface shape not only reduces material overflow and maintains the continuity of the bulldozer process, but also shows advantages particularly in silty clay or loose sand and gravel formations, effectively avoiding the problem of local depression that is prone to traditional flat shovels. The load sensing technology of the hydraulic system automatically adjusts the blade pressure to ensure that a constant cutting depth can be maintained under complex geological conditions, thereby significantly improving the foundation flatness and construction efficiency. This lays a solid foundation for subsequent construction steps and makes the U blade very popular in foundation leveling operations.
Earth excavation:
U blade not only performs well in foundation leveling, but also shines in earth excavation. dozer U blade's large-capacity design (the blade capacity is 30% higher than that of a standard flat blade) combined with a high-strength manganese steel cutting edge enables it to quickly cut into hard soil or weathered rock during foundation pit excavation. The closed space formed by the extended side plate structure effectively reduces material scattering, and the single dozing volume can reach 58 cubic meters, which is particularly suitable for layered excavation operations in deep foundation pits. Combined with the D8R's high-torque power system and four-wheel one-belt suspension design, the equipment can still maintain stable traction in soft foundation pits, avoiding slipping or sinking, thereby shortening the excavation cycle.
Road paving:
In the road paving process, the curved profile of the D8R dozer U blade plays an important role. It can evenly distribute aggregates, reduce segregation, and provide a strong guarantee for the quality of the road. The serrated blade design at the bottom can break up agglomerated materials, and with the hydraulic pre-compacting function, the density of the paving layer can reach more than 90%. This is undoubtedly a solid foundation for subsequent asphalt paving. At the same time, for fill sections, the U blade can also achieve slope paving through angle adjustment. Combined with the GPS positioning system, it ensures that the slope error is controlled within ±0.5%, which significantly improves the quality of the road line shape.
our Case
Product Use Cases
Construction waste cleaning
A demolition site in a certain city needs to clean up construction waste containing reinforced concrete blocks, bricks and stones. Traditional equipment frequently encounters problems such as material jamming and blade deformation, resulting in delays in construction.
Solution
At the demolition site, the dozer U blade, combined with the high-frequency vibration of the ripper, instantly turned large pieces of waste into fine slag. The closed side panel design avoids entanglement and jamming, and the jam rate plummeted from 25% to 3.7%. The serrations and dynamic inclination of the blade will automatically shake off the adhering soil, reducing maintenance time by 72%. It has been measured that a single device can clean up 800 tons of garbage per day, and the crushed aggregate can be directly backfilled for use.
Temporary road construction
A hydropower project needed to build a 5-kilometer temporary road on the river beach (silty clay, water content 28%) before the rainy season. The construction progress was delayed due to the traditional equipment slipping and getting stuck, and the road was muddy and impassable after the rain.
Solution
The riverbed is muddy during the rainy season, and the wide width of the dozer U blade can easily level the road surface. The laser leveling system controls the flatness error within 3 mm, which is smoother than manual brick paving. The curved surface design squeezes the loose soil into a natural shoulder, and even clay with a moisture content of 28% will not slip. The elevated sprocket and suspension system allow the machine to be 45 cm off the ground, easily crossing water and potholes.
STONE Brand: Construction machinery parts expert in China
Stone (Shanghai) Engineering Machinery Co., Ltd. is a leading supplier of engineering machinery parts, focusing on providing high-quality parts for mining companies. Since its establishment in 2004, we have been based in Shanghai, China, and have built our own brand STONE, becoming a trusted choice in the industry. We are committed to providing a variety of parts including bulldozers, excavators and wheel loaders for well-known brands such as Carter and Komatsu. Our product line covers a full range of OEM parts, such as Track Chain, Track Rollers, Sprocket, Excavator Buckets, Blades, Excavator Cylinders, Swing Circles, and various electrical and hydraulic components to ensure that our customers' stringent requirements for quality and performance are met.
quality
years experience
service
hours warrant
faq
Can the CAT D8R dozer U blade be used to clean up construction waste? Will the steel bars get stuck?
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The high manganese steel blade of the U-type shovel can break concrete blocks, and the closed side plate design prevents steel bars from being entangled. The ripper and the blade work together to break up large pieces of waste and push them away in a centralized manner. Actual measurement data shows that the efficiency of cleaning construction waste containing steel bars is 40% higher than that of ordinary shovels, and there is no need to stop the machine frequently to deal with material jams.
Is the U-blade stable when working on a slope? Will it tip over?
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The curved surface design of the U-blade moves the center of gravity of the material backward. Combined with the D8R's low-center-of-gravity chassis (center of gravity is reduced by 12%) and the balance bar suspension system, the slope operation stability is improved by 35%. Tests show that the bulldozer can still maintain the balance of the whole machine on a 25° slope, and the risk of rollover is far lower than the industry standard.
Is the CAT D8R dozer blade complicated to operate? Can a novice quickly master it?
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The U-blade integrates intelligent auxiliary functions such as "stable blade" and "traction control" to automatically compensate for operating errors, so that novices can quickly achieve professional-level precision. The hydraulic joystick adopts ergonomic design, and the 10-inch touch screen displays load data in real time. The operation is light and intuitive, and the training cycle is 30% shorter than that of traditional models.
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