Product Video
Products Description
|
Brand |
Model |
Product Name |
Blade width(mm) |
Capacity |
Blade height (mm) |
| Komatsu | D155 |
bucket |
3970 - 4290 |
9.4~11.9m³ |
1525 -1595 |
Product Details
|
Product Name |
Dozer Blade |
|
Origin |
United States |
|
Brand Name |
STONE |
|
Model |
DX1000 |
|
Price |
Negotiable |
|
Delivery Time |
0-30 Days |
|
Payment Term |
L/C, T/T |
|
Price Term |
FOB, CIF, CFR |
|
Supply Capacity |
50,000 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 |
Excavator |
STONE BRAND - High performance
Powerful cutting force: efficient cutting into hard soil and rock
The bulldozer design of the Komatsu D155 series bulldozer has excellent cutting ability and can easily cope with various hard soils and rocks.
Its high-strength blade and optimized cutting angle ensure efficient operation even in complex working conditions.
Whether it is mining or large-scale infrastructure construction, the D155 can quickly complete the task with its powerful cutting force, significantly improving construction efficiency.
High operating efficiency: optimized design reduces cycle time and improves productivity
The bulldozer of the D155 series bulldozer has been carefully optimized to significantly reduce the operating cycle time. The efficient hydraulic system and intelligent control system can quickly respond to operating instructions to ensure that the bulldozer can operate efficiently under various working conditions.
Its design not only improves bulldozing efficiency, but also reduces unnecessary downtime, thereby significantly improving overall productivity.
Intelligent control system: automatically adjusts the blade angle to adapt to different working conditions
The Komatsu D155 series bulldozer is equipped with an advanced intelligent control system that can automatically adjust the angle of the bulldozer according to different operating requirements.
This system can automatically optimize the cutting angle of the blade according to the terrain and material type, ensuring the best bulldozing effect under various working conditions.
The intelligent control system not only improves work efficiency, but also reduces the labor intensity of the operator.
Quick response hydraulic system: Precisely control the action of the bulldozer and improve the sensitivity of operation
The hydraulic system of the D155 series bulldozer is advanced in design, which can quickly respond to the operator's instructions and accurately control the action of the bulldozer.
Whether it is lifting, lowering or tilting adjustment, the hydraulic system can execute quickly and accurately to ensure the sensitivity and precision of the operation.
This quick response hydraulic system not only improves work efficiency, but also enhances the safety and reliability of operation.
Low resistance material design: reduce soil adhesion and keep the shovel surface clean
The bulldozer of the Komatsu D155 series bulldozer adopts a low resistance material design, which effectively reduces the adhesion of soil.
This design not only improves the bulldozer efficiency, but also reduces the downtime for cleaning caused by soil adhesion.
The clean design of the shovel surface ensures that the bulldozer can maintain efficient operation under various working conditions, further improving the work efficiency.
Multi-gear adjustment: bulldozer blade height and inclination can be adjusted according to working conditions
The bulldozer blade of the D155 series bulldozer supports multi-gear adjustment, and the operator can flexibly adjust the height and inclination of the bulldozer blade according to specific working conditions.
This flexible adjustment function not only improves the adaptability of the bulldozer blade, but also ensures the best bulldozing effect under different terrains and material types.
Whether it is leveling the ground or pushing materials, the D155 can easily cope with it with its multi-gear adjustment function.
STONE BRAND - High efficiency
1. Efficient earth discharge capability: Optimize the arc of the shovel face to reduce the phenomenon of soil rolling back
The Komatsu D155 series bulldozers are equipped with a precisely optimized bulldozer shovel face. Its arc design can effectively guide the natural rolling of the earth during the bulldozing process, thereby accelerating the earth discharge speed and reducing the phenomenon of material rolling back.
This not only improves the unit operation efficiency, but also avoids multiple reworks, especially in clay or wet heavy soil conditions, greatly saving fuel and time costs.
It is particularly suitable for long-distance pushing and slope operations.
2. High durability: Made of special alloy steel to extend service life
The entire bulldozer is made of high-strength wear-resistant alloy steel material (such as NM400/NM500), and through heat treatment strengthening process, its impact resistance, fatigue resistance and corrosion resistance are greatly improved.
The blade, cutting edge and side plate are all designed to be vulnerable parts, which can withstand high-intensity pushing operations under extreme working conditions. The service life is 2 to 3 times longer than that of ordinary steel, reducing the maintenance and downtime costs caused by frequent replacement.
3. Automatic leveling function (if equipped): improve leveling accuracy and reduce manual intervention
Supports automatic leveling system (such as Komatsu's intelligent leveling system or third-party laser/GPS leveling module), which can automatically adjust the blade posture by real-time monitoring of the bulldozer angle and height to ensure that the ground flatness meets the project requirements.
Greatly reduce the difficulty of operation and improve construction accuracy, which is particularly critical in projects requiring high flatness such as airport runways, highways, and industrial sites. It can reduce human errors and improve the consistency of construction quality.
4. Adapt to complex terrain: floating design, fit the uneven ground
The D155 bulldozer has excellent floating adjustment capabilities, which can automatically adjust the blade angle according to the undulations of the surface to achieve "ground-based operation".
This design is particularly suitable for complex terrain areas such as hilly areas, gravel soil, sandy land and frozen soil, effectively preventing the blade from "eating too deep" or floating in the air, ensuring operation continuity and ground protection, and extending the service life of the whole machine and the surface.
STONE BRAND - Durability advantages
The Komatsu D155 bulldozer adopts a modular quick-change blade design, which greatly reduces downtime for maintenance. The blade body is made of NM450 high-strength wear-resistant steel with a thickness of 25mm, ensuring that it remains sharp for a long time in hard rock operations.
The blade part adopts tungsten carbide surfacing technology, with a hardness of HRA90 or above, which can effectively resist abrasive wear such as quartz sand and iron ore.
The unique hydraulic locking mechanism makes it only take 5 minutes to replace the blade, which is 6 times more efficient than the traditional bolt fixing method.
For extreme working conditions such as mine blasting areas, the bulldozer constructs a three-level impact protection system. A honeycomb energy absorption structure is set at the front to effectively buffer the impact of falling rocks;
The main load-bearing frame adopts 800MPa box-section steel beams,
and the stress distribution is optimized through finite element analysis; the key connection parts are equipped with German Rexroth hydraulic dampers, which can absorb more than 85% of the instantaneous impact energy.
The shovel surface is applied with plasma sprayed Cr3C2-NiCr composite coating, with a microhardness of up to HV1200, which is 3 times more wear-resistant than traditional coatings.
The bottom layer uses arc-sprayed aluminum bronze as a transition layer to ensure that the coating bonding strength exceeds 60MPa. The outermost layer of PTFE impregnation treatment reduces the surface friction coefficient to 0.15, effectively preventing clay adhesion.
In the quartz sand environmental wear test, the coating loss rate is only 3.8mm³/h, which reduces the maintenance frequency by 70% compared with ordinary equipment.
The whole shovel adopts a standardized interface design, and all functional modules support single-person rapid disassembly and assembly. The hydraulic cylinder is equipped with a self-sealing quick-change joint, which can be replaced without draining oil; the weight of the structural parts is strictly controlled below 500kg, which is compatible with conventional forklift operations.
The maintenance tool set includes a special hydraulic wrench and positioning tooling, which reduces the replacement time of the shovel assembly from 8 hours to 2.5 hours.
In actual application in Chilean copper mines, this design helps customers maintain equipment availability above 93%.
STONE BRAND - Structural Optimization
Case 1: Indonesian coal mine stripping project
Location: Kalimantan, Indonesia
Working conditions: tropical rainforest climate, annual average precipitation of 2500mm, soil containing sticky red soil + gravel, continuous operation day and night
Equipment configuration: Komatsu D155AX-6 with U-Blade + three-tooth ripper
Project performance:
The bulldozer has super strong cutting force and high capacity retention, and the single pushing volume exceeds 10m³
The self-cleaning shovel surface design effectively prevents red soil adhesion and maintains continuous operation
One device has been in continuous operation for more than 6 months, and the cutting edge has only been replaced twice, and the maintenance cost is significantly lower than similar equipment
Customer feedback:
"The equipment we used before often got stuck in wet soil. The D155 performed very stably in the rainy season and had excellent fuel consumption control."
Case 2: Highway construction project in mountainous areas of western China
Location: Aba Tibetan and Qiang Autonomous Prefecture, Sichuan
Working conditions: high altitude (2800m), gravel + weathered rock formations, steep terrain
Equipment configuration: Komatsu D155AX-8, with semi-U-shaped blade + automatic leveling system
Project performance:
The bulldozer can adjust the angle accurately and efficiently handle the slope shaping in narrow spaces
The automatic leveling system greatly reduces manual elevation correction and improves the roadbed accuracy
The reinforced structural blade successfully resists the impact of weathered rock mass, and there is no blade deformation
Customer feedback:
"The machine can work stably at this altitude, especially the blade angle adjustment is flexible, and it is not difficult to handle the slope."
Case 3: Land development project for new cities in the desert in the Middle East
Location: Saudi Arabia NEOM city foundation plot leveling project
Working conditions: sand + gravel, large temperature difference between day and night, frequent wind and sand
Equipment configuration: Komatsu D155AX-6, customized dust-proof U-shaped shovel + High heat dissipation hydraulic system
Project performance:
The shovel surface is made of low-friction material, with high sand pushing efficiency and no adhesion
The adjustable angle shovel design quickly adapts to terrain changes and achieves large-area leveling
The anti-corrosion layer of the blade withstands sand and dust corrosion and has no rust damage for 3 months of continuous operation
Customer feedback:
"We chose D155 because it has strong sand and dust resistance, the shovel will not get stuck in the sand, and it does not need to be cleaned frequently, which is very suitable for the Middle East project."
STONE BRAND - Material Process Advantages
Strengthened support frame: Reduce vibration and distortion during operation
The bulldozer of the Komatsu D155 series bulldozer adopts a strengthened support frame design, which can effectively reduce vibration and distortion during operation. This design not only improves the stability and durability of the bulldozer, but also reduces damage caused by vibration and distortion, and extends the service life of the bulldozer.
Adjustable blade angle: Adapt to different bulldozing needs
The bulldozer of the Komatsu D155 series bulldozer supports adjustable blade angle, which can be flexibly adjusted according to different bulldozing needs. This design enables the bulldozer to achieve the best bulldozing effect under various terrain and material conditions, improving the adaptability and efficiency of the operation.
Anti-breaking blade design: Reduce damage caused by hard object impact
The bulldozer of the Komatsu D155 series bulldozer adopts an anti-breaking blade design, which can effectively reduce damage caused by hard object impact. This design improves the impact resistance of the blade through high-strength steel and special structural design, ensuring stable performance when facing hard soil and rocks.
STONE BRAND - Products Description
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.
Professional team
7x24 hours delivery
834M
Total Freelancer
732M
Positive Review
90M
Order recieved
236M
Projects Completed
FAQ
1: How does Komatsu bulldozer perform compared to Caterpillar?
In the global bulldozer market, Komatsu and Caterpillar are the two most influential manufacturers. The following is an in-depth analysis of the comparison from key dimensions:
1. Thrust and power performance
Caterpillar's D series bulldozers (such as D8R, D9T, D10T) are usually equipped with more powerful engines and slightly better initial thrust.
However, Komatsu models such as D155AX, D275AX, D475A have achieved excellent thrust efficiency through optimized hydraulic systems and load sensing technology, especially in fine soil, wet soil, slopes and fault surfaces.
Taking D155AX as an example, its maximum traction can reach 330kN (about 33 tons), which is equivalent to Cat D8T.
2. Intelligent control system
Komatsu started earlier in terms of intelligence, equipped with its own KOMTRAX (remote monitoring) system and Intelligent Machine Control (iMC).
Caterpillar has also launched the Grade Control series in recent years, but from customer feedback, Komatsu's iMC system is more integrated and has better construction accuracy than the Cat system (especially more sensitive in complex terrain).
3. Structure and durability
Caterpillar bulldozers are known for their "sturdy and sturdy" structure. The whole machine structure is suitable for heavy-load stripping operations in North American and Australian mining areas. The blade is thick and the whole machine is heavy, which is suitable for high-load stone breaking operations.
Komatsu uses high-strength alloy steel and lightweight structure design, which is more suitable for variable working conditions, such as plateaus, wetlands, deserts and other complex environments. At the same time, the maintenance cost is slightly lower and the accessories are highly versatile.
4. Operation comfort and energy saving
Komatsu bulldozers usually pay more attention to the operator experience, equipped with a more spacious cab, less noise and softer control feedback, which is particularly friendly to long-term construction conditions.
In terms of energy saving, Komatsu's fuel consumption is significantly better than Caterpillar's under light load operation due to the high integration of its engine and hydraulic system.
2. What is the maximum thrust of Komatsu bulldozers?
The Komatsu bulldozer family covers multiple models from the 13-ton D37EX to the 100-ton D475A. The thrust performance of different models varies greatly, but the overall design goal is to achieve the best balance between bulldozing force and efficiency by reasonably matching engine power, machine weight and hydraulic system.
We start with the actual model data and analyze the thrust capacity and influencing factors of Komatsu bulldozers in detail.
1. Thrust definition and measurement method
Thrust is usually expressed in "kN (kilonewton)" or "kgf", which is the maximum horizontal force that the bulldozer blade can exert on the material in front under ideal traction conditions. This value is affected by many factors:
Engine power (kW/hp)
Machine weight (including counterweight)
Track ground pressure
Blade type (straight, U-shaped, semi-U-shaped)
Hydraulic system response and lever arm layout
Komatsu uses the measurement method under the ISO 9249 standard, and the thrust value is more realistic and in line with the construction scenario.
2. Thrust parameters of Komatsu's main bulldozer models (representative values)
Note: The D475 has a thrust of more than 900 kN, making it one of the most powerful models among the world's mainstream crawler bulldozers, second only to Caterpillar D11T (about 1040 kN).
3. Technical highlights of Komatsu's bulldozer force improvement
Adjustable hydraulic control system: automatically adjusts thrust output according to load to improve energy efficiency.
Automatic anti-skid system (optional for PAT blade): automatically reduces thrust output on wet or gravel ground to maintain track adhesion.
High-strength chassis and supercharged engine: Improve short-term burst thrust capability, and have greater stability under high slopes or heavy load conditions.
4. The relationship between thrust and blade type
The blade type has a great impact on the maximum thrust. For example:
Straight blade: Suitable for leveling, with more concentrated thrust output.
Universal blade: Large capacity but dispersed thrust, suitable for long-distance transport.
Semi-U blade: Takes into account both thrust and capacity, suitable for most working conditions.
PAT blade: Strong function but slightly lower maximum thrust, suitable for precise shaping.
Therefore, when selecting a model, it is necessary to consider the thrust requirements and blade configuration together.
3: How many types of D155/D275/D475 dozer blades are there?
The dozer blades of Komatsu D series bulldozers are equipped with various blade types according to different operation requirements, materials to be transported and terrain complexity. The D155, D275, D375 and D475 large crawler bulldozers mainly use the following three types of dozer blades, and the subdivided parameters can be customized according to customers.
1. Straight Blade / S-Blade
Features: no side wings, straight blade; concentrated thrust and strong cutting force.
Applicable: rock stripping, detail leveling, slope cutting.
Advantages: precise control of the push surface; suitable for excavating hard materials and fine finishing of the working surface.
Representative machine configuration:
D155AX-S
D275AX-S
2. Semi-U Blade
Features: medium curvature, short wings on both sides, between straight and full U-shaped.
Applicable: most earthmoving tasks; balance cutting force and volumetric efficiency.
Advantages: strong pushing force, moderate capacity, suitable for irregular terrain.
Representative machine configuration:
D155AX-6 / D155AX-8
D275AX-5
D375A-8
3. Full U Blade
Features: large arc surface + high side wings, maximum pushing capacity.
Applicable: large volume, long-distance bulldozing operations, such as mine stripping and sand leveling.
Advantages: large push volume per blade, high efficiency, suitable for soft or medium-hard materials.
Representative model configuration:
D155AX-6 / D155AX-8
D475A-5EO / D475A-8
4. Multi-function angle blade (PAT Blade / Power Angle Tilt) (optional for some models)
Features: adjustable angle (front and back, left and right tilt), flexible shaping.
Applicable: road construction, foundation finishing, small-scale leveling operations.
Advantages: high precision and flexible operation.
Commonly used for: medium-sized bulldozers (such as D65EX), but some regions have customized PAT Blade versions for D155 level.
5. Special customized blades (such as rock type, desert type, anti-corrosion type)
According to the customer's terrain, material characteristics or regional environment, such as desert, mining area, frozen soil, etc., Komatsu can customize:
Strengthen the blade thickness
Increase the angle range
Enhance the wear-resistant layer
Anti-salt-alkali corrosion treatment
Anti-clay coating, etc.
4.: Can it be used in plateaus, deserts or extreme environments?
Komatsu bulldozers take into account the adaptability needs of extreme climates and complex environments in the design stage, so they have excellent all-terrain adaptability. Whether it is the plateau area above 4,000 meters in western China, the tropical desert in Africa, the extremely cold permafrost in Russia, or the strong humid rainforest in Southeast Asia, Komatsu bulldozers can operate stably. The following is an explanation from multiple environmental dimensions:
1. Plateau environment (3,000m~5,000m above sea level)
Challenges:
Thin air, reduced engine combustion efficiency
Reduce oxygen, high pressure in the cooling system
Difficult cold start, requiring antifreeze system support
Komatsu's response plan:
Specialized supercharged engine configuration for plateaus, stable combustion
Strengthen cooling system, improve fan efficiency
Cold start package (heater + preheating system) ensures low-temperature start
Strong airtightness in the cab to ensure operator comfort
Representative case: D155AX used in the construction of Zangmu Hydropower Station in Tibet has been operating continuously for 6 months at an altitude of 3,500m with stable performance.
2. Deserts and hot and dry areas (Middle East, North Africa)
Challenges:
Sand and dust invasion can easily cause mechanical damage
Large temperature difference between day and night, heavy burden on lubrication system
Soft soil, high risk of track sinking
Komatsu's response:
Equipped with sealed dust cover for the whole vehicle, triple filtration of air filtration system
Wide track design + optional high buoyancy track, anti-sinking vehicle
Engine anti-thermal decay system, automatic temperature control of radiator
The blade is treated with anti-adhesion material
Representative case: Saudi Arabia NEOM City project uses D155AX to flatten sand dunes and shape foundation trenches, and operates stably under high temperature for 24 hours.
3. Extremely cold regions (Northeast China, Russia, North American mountainous areas)
Challenges:
Difficult cold start, oil freezing
Hard frozen ground, great impact on the blade and track
Poor working environment for operators
Komatsu's response:
Equipped with low-temperature hydraulic oil and antifreeze oil
Engine electric heating starter + hydraulic heating system
Cab with heated seat, air conditioning system (-40°C guaranteed)
Blade thickening treatment, resistant to frozen soil impact
Representative case: D375A under construction in winter at an iron mine in Heilongjiang, normal cold start and efficient operation at a temperature of minus 35 degrees.
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