Komatsu large excavators have always been very well received in the market. With excellent and stable working ability, Komatsu hydraulic technology, Komatsu large excavators have always been popular with users in the industry in terms of performance and service life in daily use of excavators. Today's recommended 30-50 ton large crawler hydraulic excavator PC300-HB365 uses the same engine, but has different engine power. The larger the excavator model, the different the maximum horsepower, maximum flow of the hydraulic pump, and the different models. This is mainly reflected in the excavator bucket capacity of 0.87m³ at the minimum and 2m³ at the maximum. In particular, the excellent performance and ultra-low fuel consumption of the two oil-electric hybrid excavators HB335-HB365 are very good choices for countries with high environmental protection requirements. However, the number of oil-electric hybrid excavators is small, and the subsequent maintenance costs and maintenance convenience are lower than the conventional versions.
Today's focus is on the three mainstream large excavators of Komatsu PC400. PC450 and Komatsu PC490. The engines are equipped with 125E-7 and 140E-7 equipped with PC490. which have a very large performance gap. In particular, the maximum bucket capacity of Komatsu 490 can be matched with a bucket capacity of 3m³. Its powerful performance and adaptability to harsh working environments have excellent sales and reputation among large excavators. Excavators over 40 tons rarely use hybrid or pure electric modes. The main consideration is that large excavators are far away from cities, the working environment is usually harsh, and different types of work. Conventional diesel-powered excavators can improve efficiency and reduce unpredictable special situations in daily use.
Komatsu PC300LC-11
Weight: 30.950 kg
Bucket capacity: 0.87 - 1.47 m³
Displacement: 6.69 L
Oil capacity:
Fuel tank: 605 L
Hydraulic tank: 239 L
Engine: Komatsu SAA6D114E-5
Power: 242 HP (180 kW)
Hydraulic pump: Komatsu K3V140DT
Flow rate: 494 L/min
Dimensions: 10.200 mm long, 3.190 mm wide, 3.400 mm high
Digging capacity:
Digging height: 10.420 mm
Digging depth: 7.280 mm
Digging radius: 10.740 mm
Travel speed: 5.5 km/h
Komatsu HB335LC-3
Weight: 33.500 kg
Bucket capacity: 1.10 - 1.80 m³
Displacement: 7.01 L
Oil capacity:
Fuel tank: 620 L
Hydraulic tank: 250 L
Engine: Komatsu SAA6D114E-5
Power: 264 HP (197 kW)
Hydraulic pump: Komatsu K3V140DT
Flow rate: 510 L/min
Dimensions: Length 10.600 mm, width 3.290 mm, height 3.440 mm
Digging capacity:
Digging height: 10.650 mm
Digging depth: 7.500 mm
Digging radius: 11.000 mm
Traveling speed: 5.5 km/h
Komatsu PC350LC-11
Weight: 35.100 kg
Bucket capacity: 1.20 - 1.90 m³
Displacement: 7.01 L
Oil capacity:
Fuel tank: 620 L
Hydraulic tank: 250 L
Engine: Komatsu SAA6D114E-5
Power: 264 HP (197 kW)
Hydraulic pump: Komatsu K3V140DT
Flow rate: 510 L/min
Dimensions: Length 11.000 mm, width 3.300 mm, height 3.450 mm
Digging capacity:
Digging height: 10.900 mm
Digging depth: 7.800 mm
Digging radius: 11.300 mm
Traveling speed: 5.5 km/h
Komatsu HB365LC-3
Weight: 36.500 kg
Bucket capacity: 1.50 - 2.00 m³
Displacement: 7.01 L
Oil capacity:
Fuel tank: 620 L
Hydraulic oil tank: 250 L
Engine: Komatsu SAA6D114E-5
Power: 290 HP (216 kW)
Hydraulic pump: Komatsu K3V180DT
Flow rate: 540 L/min
Dimensions: Length 11.200 mm, width 3.400 mm, height 3.500 mm
Digging capacity:
Digging height: 11.000 mm
Digging depth: 8.100 mm
Digging radius: 11.500 mm
Travel speed: 5.5 km/h
Komatsu PC400LC-11
Weight: 40.200 kg
Bucket capacity: 1.60 - 2.20 m³
Displacement: 8.85 L
Oil capacity:
Fuel tank: 630 L
Hydraulic oil tank: 255 L
Engine: Komatsu SAA6D125E-7
Power: 345 HP (257 kW)
Hydraulic pump: Komatsu K3V180DT
Flow rate: 560 L/min
Dimensions: Length 11.300 mm, Width 3.450 mm, Height 3.550 mm
Digging capacity:
Digging height: 11.200 mm
Digging depth: 8.500 mm
Digging radius: 11.700 mm
Travel speed: 5.5 km/h
Komatsu PC450LC-11
Weight: 45.600 kg
Bucket capacity: 2.00 - 2.70 m³
Displacement: 8.85 L
Oil capacity:
Fuel tank: 660 L
Hydraulic tank: 265 L
Engine: Komatsu SAA6D125E-7
Power: 365 HP (272 kW)
Hydraulic pump: Komatsu K3V180DT
Flow rate: 570 L/min
Dimensions: Length 11.800 mm, Width 3.500 mm, Height 3.600 mm
Digging capacity:
Digging height: 11.500 mm
Digging depth: 8.800 mm
Digging radius: 12.000 mm
Travel speed: 5.5 km/h
Komatsu PC490LC-11
Weight: 49.200 kg
Bucket capacity: 2.20 - 3.00 m³
Displacement: 11.04 L
Oil capacity:
Fuel tank: 660 L
Hydraulic tank: 270 L
Engine: Komatsu SAA6D140E-7
Power: 367 HP (274 kW)
Hydraulic pump: Komatsu K3V180DT
Flow rate: 570 L/min
Dimensions: Length 12.200 mm, width 3.600 mm, height 3.650 mm
Digging capacity:
Digging height: 11.700 mm
Digging depth: 9.000 mm
Digging radius: 12.200 mm
Travel speed: 5.5 km/h
Performance comparison and differences
Weight: The weight ranges from 30.950 kg (PC300LC-11) to 49.200 kg (PC490LC-11). The heavier the weight, the greater the stability and digging ability of the excavator in large projects.
Bucket capacity: The bucket capacity ranges from 0.87 - 1.47 m³ (PC300LC-11) to 2.20 - 3.00 m³ (PC490LC-11). The larger the bucket capacity, the more efficient the excavator is when moving large amounts of material.
Engine power: The power ranges from 242 HP (PC300LC-11) to 367 HP (PC490LC-11). The greater the power, the higher the operating capacity and efficiency of the excavator.
Hydraulic pump flow: The flow rate ranges from 494 L/min (PC300LC-11) to 570 L/min (PC490LC-11). The greater the flow rate, the more efficient the hydraulic system.
Dimensions: The dimensions range from 10.200 mm x 3.190 mm x 3.400 mm (PC300LC-11) to 12.200 mm x 3.600 mm x 3.650 mm (PC490LC-11). The larger the size, the wider the range of work sites and tasks that the excavator can adapt to.
Digging capacity: The differences in digging height, depth and radius determine the applicable operating range of each model.
Travel speed: The travel speed of all models is 5.5 km/h.
d:
|
|
|
|
|
|
|
|
Parameter | PC300LC-11 | HB335LC-3 | PC350LC-11 | HB365LC-3 | PC400LC-11 | PC450LC-11 | PC490LC-11 |
Weight | 30,950 kg | 33,500 kg | 35,100 kg | 36,500 kg | 40,200 kg | 45,600 kg | 49,200 kg |
Bucket Capacity | 0.87 - 1.47 m³ | 1.10 - 1.80 m³ | 1.20 - 1.90 m³ | 1.50 - 2.00 m³ | 1.60 - 2.20 m³ | 2.00 - 2.70 m³ | 2.20 - 3.00 m³ |
Displacement | 6.69 L | 7.01 L | 7.01 L | 7.01 L | 8.85 L | 8.85 L | 11.04 L |
Fuel Tank Capacity | 605 L | 620 L | 620 L | 620 L | 630 L | 660 L | 660 L |
Hydraulic Oil Tank Capacity | 239 L | 250 L | 250 L | 250 L | 255 L | 265 L | 270 L |
Engine Brand | Komatsu | Komatsu | Komatsu | Komatsu | Komatsu | Komatsu | Komatsu |
Engine Model | SAA6D114E-5 | SAA6D114E-5 | SAA6D114E-5 | SAA6D114E-5 | SAA6D125E-7 | SAA6D125E-7 | SAA6D140E-7 |
Power | 242 HP (180 kW) | 264 HP (197 kW) | 264 HP (197 kW) | 290 HP (216 kW) | 345 HP (257 kW) | 365 HP (272 kW) | 367 HP (274 kW) |
Hydraulic Pump Brand | Komatsu | Komatsu | Komatsu | Komatsu | Komatsu | Komatsu | Komatsu |
Hydraulic Pump Model | K3V140DT | K3V140DT | K3V140DT | K3V180DT | K3V180DT | K3V180DT | K3V180DT |
Hydraulic Pump Flow Rate | 494 L/min | 510 L/min | 510 L/min | 540 L/min | 560 L/min | 570 L/min | 570 L/min |
Dimensions (L x W x H) | 10,200 mm / 3,190 mm / 3,400 mm | 10,600 mm / 3,290 mm / 3,440 mm | 11,000 mm / 3,300 mm / 3,450 mm | 11,200 mm / 3,400 mm / 3,500 mm | 11,300 mm / 3,450 mm / 3,550 mm | 11,800 mm / 3,500 mm / 3,600 mm | 12,200 mm / 3,600 mm / 3,650 mm |
Digging Height | 10,420 mm | 10,650 mm | 10,900 mm | 11,000 mm | 11,200 mm | 11,500 mm | 11,700 mm |
Digging Depth | 7,280 mm | 7,500 mm | 7,800 mm | 8,100 mm | 8,500 mm | 8,800 mm | 9,000 mm |
Digging Radius | 10,740 mm | 11,000 mm | 11,300 mm | 11,500 mm | 11,700 mm | 12,000 mm | 12,200 mm |
Although there are many excavator manufacturers, there are usually only a few brands that everyone likes in the field of large excavators. Komatsu's technical accumulation and advanced technology in the manufacturing industry of large excavators are very high in terms of design and product itself. Tiedou Second-hand Excavator Trading Co., Ltd. sells or exports used excavators. Komatsu's current PC400 and PC450 series -8 and -10 series are very popular with users. They are cheap and reliable. For individual users, it is also a low initial budget for corporate procurement, high later returns, and low failure rate. If users are considering buying a large Komatsu excavator recently, we highly recommend it. In particular, the purchase and maintenance of Komatsu brand products in the later stage basically cover most countries in the world.