This chart provides detailed information on various Komatsu dozer models across different size categories, including small, medium, large, and surface mining dozers. Discover the features, specifications, and capabilities of each dozer to find the ideal match for your specific needs and applications.
Komatsu Bulldozers Sizes
The nomenclature used for Komatsu bulldozers encompasses a range of sizes tailored to various applications and industries. From compact and small dozers ideal for light-duty tasks and confined spaces, to medium and large dozers suitable for more demanding applications, Komatsu offers a comprehensive lineup.
- Small Dozers – Operating Weight under 32.000 lb and Net Power under 140 hp.
- Medium Dozers – Operating Weight 32.000-57.000 lb & Net Power 140-240 hp.
- Large Dozers – Operating Weight 57.000-121.000 lb and Net Power 240-355 hp.
- Surface Mining Dozers – Operating Weight up 160.000 lb and Net Power up 600 hp.
Additionally, for heavy-duty surface mining operations, Komatsu provides specialized dozers designed to tackle the toughest terrains and maximize productivity. This diverse range of sizes ensures that customers can find the right bulldozer to meet their specific needs, whether it’s for construction, forestry, mining, or other industries.
Komatsu Dozer Size Chart
Discover the comprehensive Komatsu Dozer Size Chart & Specs, presenting essential information on various models, including power output, operating weight, and blade capacity. This comprehensive guide offers insights into the diverse range of Komatsu bulldozers, from compact and small models to medium, large, and specialized surface mining dozers.
Whether you’re seeking details for light-duty tasks or heavy-duty operations, this Komatsu bulldozer size chart provides valuable specifications to help you find the ideal equipment for your specific needs.
Komatsu Small Dozers Specs & Sizes
Komatsu small dozers are primarily used for light to medium-duty earthmoving tasks in construction, landscaping, agriculture, and utility work. Their compact size and maneuverability make them ideal for working in tight spaces and on smaller job sites.
Key features of Komatsu small dozers include lower horsepower engines for efficient operation, lighter operating weights for improved fuel economy and reduced ground pressure, and smaller blade capacities suitable for grading, leveling, and pushing light materials. Overall, these dozers offer versatility, maneuverability, and efficiency for a wide range of small-scale earthmoving tasks.
| Dozer Model | Power NET | Operating Weight | Blade Capacity |
|---|---|---|---|
| D37EX-24 | 89 hp @ 2,200 rpm | 19,842 lb | 2.50 yd3 |
| D37PX-24 | 89 hp @ 2,200 rpm | 20,503 lb | 2.79 yd3 |
| D39EXi-24 | 105 hp @ 2,200 rpm | 22,068 lb | 2.89 yd3 |
| D39PXi-24 | 105 hp @ 2,200 rpm | 22,774 lb | 2.89 yd3 |
| D39EX-24 | 105 hp @ 2,200 rpm | 21,891 lb | 2.89 yd3 |
| D39PX-24 | 105 hp @ 2,200 rpm | 22,817 lb | 3.14 yd3 |
| D51EXi-24 | 131 hp @ 2,200 rpm | 30,380 lb | 3.50 yd3 |
| D51PXi-24 | 131 hp @ 2,200 rpm | 31,438 lb | 4.40 yd3 |
| D51EX-24 | 131 hp @ 2,200 rpm | 30,821 lb | 3.5 yd3 |
| D51PX-24 | 131 hp @ 2,200 rpm | 31,438 lb | 4.4 yd3 |
Komatsu Medium Dozers Specs & Sizes
Komatsu medium dozers are versatile machines commonly used in a variety of applications, including construction, road building, land grading, and forestry. Their key features include mid-range horsepower engines for efficient performance, moderate operating weights for maneuverability and transportability, and blades with moderate capacities suitable for a wide range of earthmoving tasks.
These dozers offer a balance between power, size, and versatility, making them suitable for various job sites and applications.
| Dozer Model | Net Power | Operating Weight | Blade Capacity |
|---|---|---|---|
| D61EXi-24 | 168 hp @ 2,200 rpm | 41,094 lb | 4.41 yd3 |
| D61PXi-24 | 168 hp @ 2,200 rpm | 43,167 lb | 4.98 yd3 |
| D61EX-24 | 168 hp @ 2,200 rpm | 40,830 lb | 4.41 yd3 |
| D61PX-24 | 168 hp @ 2,200 rpm | 42,902 lb | 4.98 yd3 |
| D65PXi-18 | 217 hp @ 1,950 rpm | 48,620 lb | 4.8 yd3 |
| D65EXi-18 | 217 hp @ 1,950 rpm | 45,780 lb | 7.3 yd3 |
| D65EX-18 | 217 hp @ 1,950 rpm | 45,628 – 48,796 lb | 7.3 yd3 |
| D65PX-18 | 217 hp @ 1,950 rpm | 48,444 – 51,960 lb | 4.8 yd3 |
| D65WX-18 | 217 hp @ 1,950 rpm | 48,760 – 51,529 lb | 7.7 yd3 |
| D65EX-18 WH | 217 hp @ 1,950 rpm | 50,259 lb | 14.8 yd3 |
| D65PX-18 WH | 217 hp @ 1,950 rpm | 53,136 – 56,337 lb | 12.9 – 15.1 yd3 |
| D65WX-18 WH | 217 hp @ 1,950 rpm | 53,350 lb | 17.2 yd3 |
| D71EXi-24 | 237 hp @ 2,200 rpm | 50,045 lb | 5.8 yd3 |
| D71PXi-24 | 237 hp @ 2,200 rpm | 51,147 lb | 6.1 yd3 |
| D71EX-24 | 237 hp @ 2,200 rpm | 49,825 lb | 5.8 yd3 |
| D71PX-24 | 237 hp @ 2,200 rpm | 50,927 – 52,690 lb | 6.1 – 6.6 yd3 |
Komatsu Large Dozers Specs & Sizes
Komatsu large dozers are primarily used for heavy-duty earthmoving and land-clearing tasks in construction, mining, and forestry operations. Their key features include powerful engines, robust undercarriages for stability and traction, spacious operator cabins with advanced controls for comfort and efficiency, and large blades with high capacities for moving substantial amounts of material quickly and efficiently.
These machines are designed to tackle the toughest terrains and handle large-scale projects with ease.
| Dozer Model | Net Power | Operating Weight | Blade Capacity |
|---|---|---|---|
| D85EXi-18 | 264 HP @ 1,900 rpm | 68,350 lb | 9.2 yd3 |
| D85PXi-18 | 264 HP @ 1,900 rpm | 65,460 lb | 7.7 yd3 |
| D85EX-18 | 264 HP @ 1,900 rpm | 67,615 lb | 9.2 yd3 |
| D85PX-18 | 264 HP @ 1,900 rpm | 64,600 lb | 7.7 yd3 |
| D85EX-18 WH | 264 HP @ 1,900 rpm | 70,718 lb | 18.4 yd3 |
| D85PX-18 WH | 264 HP @ 1,900 rpm | 69,860 lb | 18.4 yd3 |
| D155AXi-8 | 354 HP @ 1,900 rpm | 90,610 lb | 12.3 yd3 |
| D155AX-8 | 354 HP @ 1,900 rpm | 89,300 lb | 12.3 – 15.6 yd3 |
| D155AX-8 WH | 354 HP @ 1,900 rpm | 94,421 lb | 26.8 – 33.2 yd3 |
| D155PX-8 LGP | 354 HP @ 1,900 rpm | 92,820 lb | 9.6 – 15.7 yd3 |
Surface Mining Dozers Specs & Sizes
Komatsu surface mining dozers are specialized machines designed for heavy-duty earthmoving and material handling tasks in large-scale mining operations. They are used for pushing, ripping, and transporting large volumes of overburden, ore, and other materials in open-pit mines.
Key features of Komatsu surface mining dozers include high horsepower engines for maximum power and productivity, rugged undercarriages and structures to withstand the harsh conditions of mining environments, and large blade capacities for efficient material movement. These dozers are equipped with advanced technology and automation systems to optimize performance, enhance safety, and increase operational efficiency in surface mining applications.
| Dozer Model | Ner Power | Operating Weight | Blade Capacity |
|---|---|---|---|
| D375A-8 | 609 hp @ 1,800 rpm | 163340 lb | 24.2 – 28.8 yd3 |
| D475A-8 | 890 hp @ 2,000 rpm | 254195 lb | 35.6 – 44.5 yd3 |
How to Choose a Komatsu Dozer?
Choosing a Komatsu dozer involves considering several factors:
- Application: Determine the primary use of the dozer, whether it’s for general construction, mining, forestry, or agriculture.
- Size and Power: Select a dozer size and power rating based on the scale of the project and the type of material to be moved. Komatsu offers dozers ranging from compact to large sizes, with varying horsepower ratings.
- Blade Type: Choose the appropriate blade type based on the specific requirements of the job. Consider factors such as blade capacity, blade width, and blade configuration.
- Terrain and Conditions: Assess the terrain and underfoot conditions of the worksite. Select a dozer with features such as track options, undercarriage design, and ground clearance suited to the terrain.
- Technology: Consider the availability of advanced technology features like GPS-based grading systems, automated controls, and telematics for improved efficiency, accuracy, and productivity.
- Fuel Efficiency: Evaluate the fuel efficiency of different models to minimize operating costs and reduce environmental impact.
- Operator Comfort and Safety: Prioritize models that offer ergonomic operator cabins, intuitive controls, and advanced safety features to enhance operator comfort and productivity while ensuring job site safety (ROPS / FOPS).
- Maintenance and Support: Consider the availability of maintenance and support services, including dealer network coverage, spare parts availability, and aftermarket support, to ensure minimal downtime and efficient servicing of the equipment.
By considering these factors, you can choose the right Komatsu dozer that best meets your project requirements and delivers optimal performance and productivity.
Largest Komatsu Dozer in the World
Currently, the Komatsu D475A-8 is the largest dozer in the world! This powerful machine is designed for demanding applications in the mining industry, with a high (890 HP) horsepower rating and a massive (254,195 lbs) operating weight. It offers exceptional blade capacity (35.6 – 44.5 yd3) and is engineered to tackle the most challenging earthmoving tasks with efficiency and reliability.
Komatsu D475A-8 Dozer Specs
| Engine | |
|---|---|
| Model | Komatsu SAA12V140E-7 |
| Type | 4-cycle, water-cooled, direct injection |
| Aspiration | Turbocharged, air-to-air charge air cooler, cooled EGR |
| Number of cylinders | 12 |
| Bore x stroke | 5.51 x 6.50 in |
| Displacement | 1860 cu in (30.48 L) |
| Horsepower SAE J1995 (Gross) | Forward 934 hp, Reverse: 1040 hp |
| Horsepower ISO 9249/SAE J1349 (Net) | Forward 890 hp, Reverse 968 hp |
| Rated rpm | 2000 rpm |
| Fan drive type | Hydraulic |
| Lubrication system | Gear pump, force lubrication |
| Filter | Full-flow |
| Transmission | |
| 1st Gear (Forward / Reverse) | 2.1 mph / 2.7 mph |
| 2nd Gear (Forward / Reverse) | 3.9 mph / 5.2 mph |
| 3rd L Gear (Forward / Reverse) | 4.6 mph / 5.6 mph |
| 3rd Gear (Forward / Reverse) | 7.2 mph / 8.9 mph |
| Steering system | |
| Minimum turning radius | 15 ft. 1 in |
| Undercarriage | |
| Track roller frame | Cylindrical, high-tensile-strength steel construction |
| Rollers and idlers | Lubricated track rollers |
| Number of shoes (each side) | 41 |
| Grouser height | Single grouser 4.1 in |
| Shoe width (standard) | 28 in |
| Ground contact area* | 9,957 in² |
| Ground pressure (tractor)** | 16.71 psi |
| Number of track rollers | 8 |
| Number of carrier rollers | 2 |
| Fuel, coolant and lubricant capacity (refill) | |
| Fuel Tank | 507.2 gal (1920 L) |
| Engine Oil | 31.7 gal (120 L) |
| Cooling System | 72.6 gal (275 L) |
| Transmission Oil | 55.5 gal (210 L) |
| Final Drives (each side) | 19.8 gal (75 L) |
| Hydraulic System | 50.2 gal (190 L) |
| Giant Ripper (additional capacity) | 34.3 gal (130 L) |
| Multishank Ripper (additional capacity) | 34.3 gal (130 L) |
| Operating weight | |
| Including rated capacity of lubricant, coolant, full fuel tank, operator, and 710 mm (28 in) shoe, less front and rear attachments. | 194,450 lbs. |
| Includes dual tilt U dozer, giant variable ripper, cab, ROPS (ISO 3471), operator, standard equipment, rated lubricant volumes, coolant, full fuel tank and 810 mm (32 in) track shoes. | 254,195 lbs. |
| Ground pressure (ISO 16754) | 19.35 psi |
| Hydraulic system | |
| Type | Closed-center load sensing system (CLSS) |
| Pump Type | Variable piston pump |
| Pump Flow Capacity | 142.9 gpm (541 L/min) |
| Relief valve setting | 3983 psi (27500 kPa) |
| Control Valves | Spool control valves for Semi-U tilt blade and U tilt blade |
The Komatsu D475A-8 dozer is a powerful and robust machine designed for heavy-duty earthmoving and mining applications. With its impressive horsepower engine and substantial operating weight, it offers exceptional performance and productivity on the job site.
In conclusion, the Komatsu dozer size chart & specs offer a detailed overview of the range of dozer models available, catering to various applications and requirements in construction, mining, and other industries. When choosing a bulldozer model, consider factors such as the required horsepower, operating weight, blade capacity, and specific features like advanced technology integration for enhanced productivity and efficiency. Additionally, assess the terrain, project scope, and environmental conditions to select the most suitable Komatsu dozer for optimal performance and productivity.
