Product Description
Built in Japan and engineered for long-term reliability, this 2020 Komatsu PC450-8 represents one of the most dependable investments in the used heavy excavator market. Komatsu's global parts network ensures minimal downtime, strong resale value, and straightforward serviceability — critical factors when operating at the 45-ton class level. Available now from Guangdong, China.
Powered by the proven Komatsu SAA6D125E-5 engine (257 kW / 1,900 rpm, 11.04L displacement), this machine delivers consistent performance across demanding earthmoving, mining, and construction applications. The 2.1 m³ backhoe bucket, combined with a bucket digging force of 278 kN and rod digging force of 233 kN, handles heavy material efficiently and reliably.
- Working Weight: 45,125 kg | Bucket Capacity: 2.1 m³
- Engine: Komatsu SAA6D125E-5 — 6-cylinder, turbocharged, water-cooled, direct injection
- Maximum Digging Depth: 7,790 mm | Maximum Digging Radius: 12,005 mm
- Travel Speed: 3.0 / 4.2 / 5.5 km/h | Climbing Ability: 70% / 35°
- Main Pump Max Flow: 690 L/min | Fuel Tank: 650 L
- Track Plate Width: 600 mm | Ground Pressure: 84.1 kPa
- Country of Origin: Japan | Year: 2020 | Location: Guangdong, China
| Specifications | Value |
|---|---|
| No. | 1063608 |
| Tonnage (tons) | 45 |
| Working weight (kg) | 45125 |
| Bucket capacity (m³) | 2.1 |
| Boom length (mm) | 7060 |
| Rod length (mm) | 3380 |
| Country of origin | Japan |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Komatsu SAA6D125E-5 |
| Rated power (kw/rpm) | 257/1900 |
| Cooling mode | water-cooling |
| Displacement (L) | 11.04 |
| Working form | 6-cylinder, water-cooled, direct injection, turbocharged, electronic speed regulation; Cylinder diameter × stroke :125mm×150mm |
| Ground specific pressure (Kpa) | 84.1 |
| Rotation speed (rpm) | 9.1 |
| Climbing ability (%) | 70/35 ° |
| Bucket digging force (kN) | 278 |
| Rod digging force (kN) | 233 |
| Travel speed (km/h) | 3.0/4.2/5.5 |
| Rotary hydraulic motor type | Axial plunger type ×1 |
| Type of walking hydraulic motor | Axial plunger type x 2 |
| Maximum flow of main pump (l/min) | 690 |
| Traveling Hydraulic Circuit (Mpa) | 37.3 |
| Rotary Hydraulic Circuit (Mpa) | 27.9 |
| Control Hydraulic Circuit (Mpa) | 3.2 Pilot oil circuit |
| Hydraulic crushing pipeline is standard | no |
| Bucket cylinders - Number × diameter × stroke (mm) | 160 * 1270 * 110 |
| Bucket rod cylinders - Number × diameter × stroke (mm) | 185 * 1985 * 130 |
| Boom cylinders - Number × diameter × stroke (mm) | 160 * 1570 * 110 |
| Fuel Tank (L) | 650 |
| Hydraulic Tank (L) | 248 |
| Engine Oil changes (L) | 37 |
| Coolant (L) | 36 |
| Total transport length (mm) | 12040 |
| Total transport width (mm) | 3580(3082 when contracted) |
| Total transport height (mm) | 3660 |
| Full cab height (mm) | 3285 |
| Counterweight ground clearance (mm) | 1320 |
| Minimum ground clearance (mm) | 555 |
| Back end turning radius (mm) | 3605 |
| Total track length (mm) | 5055 |
| Track gauge (mm) | 2890(2392 when contracted) |
| Track plate width (mm) | 600 |
| Total track width (mm) | 3490(2992 when contracted) |
| Track ground length (mm) | 4020 |
| Maximum digging radius (mm) | 12005 |
| Maximum digging depth (mm) | 7790 |
| Maximum excavation height (mm) | 10925 |
| Maximum unloading height (mm) | 7625 |
| Maximum vertical digging depth (mm) | 6600 |
| Bulldozer lift or depth (mm) | No dodging plate |
| Maximum excavation radius of stop surface (mm) | 11800 |
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