Hiyo HDX450LCA-7M Large Crawler Excavator
Product Overview
Performance Advantages
• Model: Hiyo DX12
• Type: Inline 6-cylinder four-stroke turbocharged water-cooled diesel engine
• Rated gross power: 257 kW @ 1800 rpm
• Displacement: 11051 cc
• High low-speed torque, Phase II emission compliant, stable output and simple routine maintenance
• Main pump: 2 variable displacement axial piston pumps
• Max system pressure: 370 kgf/cm² (power mode)
• Max pump flow: 2 × 360 L/min
• EPOS electronic power optimizing system with VBO virtual bleed-off technology
• Quick response, smooth combined movements, auto deceleration and two independent operation modes
• X-type welded undercarriage with integrated track spring and idler to reduce structural stress
• Cast reinforced boom/arm joints, EM self-lubricating pivots and abrasion-resistant bucket plates
• Multiple bucket series ranging 1.44–2.72 m³ with thicker heel & edge wear protection
• Lifetime lubricated track rollers, strengthened sprockets and full dust-proof track system
• Upgraded swing drive with boosted torque to shorten work cycle time
• 8-inch color LCD touch screen supporting machine data, fuel statistics and attachment adjustment
• Standard full air conditioning & heating, optional ventilated air suspension seat with 3-stage temperature control
• Built-in USB charging port, sunglass storage, cup holder and hot & cool storage box
• Optional rear & side cameras, extra LED work lamps to eliminate visual blind zones
• Low 74 dB(A) interior noise with full sound insulation and shock-absorbing cab mount
• Large swing-out service doors for full access to all filters, pumps and cooling assemblies
• Dry-type rotor pre-cleaner extends air filter replacement intervals greatly
• Two-speed travel mode: 3.2 / 5.3 km/h with powerful traction up to 33200 kgf
• Standard 600mm triple grouser track shoes, optional wider 750/800/900mm tracks
• Dual large cooling radiators and high-efficiency hydraulic return filter for stable temperature control
• Optional Hiyo fleet telematics for remote machine monitoring and predictive maintenance
Key Highlights
• VBO+SPC+EPOS triple intelligent hydraulic systems cut fuel waste drastically
• Thickened integrated boom & arm plus high-wear mining bucket extend service lifespan
• Independent split water-oil cooling system stabilizes temperature under heavy loads
• Panoramic wide-view cab with heated air suspension seat and full LED lighting
• Ground-level filter layout & lightweight hood greatly simplify daily maintenance
• Optional telematics remote fleet monitoring for real-time machine data tracking
Alternative Names
Hiyo HDX450LCA-7M Mining Excavator / Hiyo HDX450 Heavy Crawler Digger / HDX450LCA-7M Quarry Trackhoe / Hiyo 45 Ton Heavy Duty Excavator / HDX450LC Rock Digging Machine / Hiyo HDX450LCA-7M Earthmoving Shovel / HDX450L Heavy Mining Excavator / Hiyo DX12 Engine Crawler Digger / HDX450LCA-7M High Digging Force Excavator / Hiyo H-Class Bucket Tracked Excavator / HDX450LC Bulk Material Handler / Hiyo 45t Open Pit Excavator / HDX450LCA-7M EPOS Hydraulic Digger / Hiyo Abrasion Resistant Mining Machine / HDX450LC Multi-Attachment Excavator / Hiyo Fuel Efficient Quarry Shovel / HDX450LCA-7M Reinforced Undercarriage Digger / Hiyo Short Arm Rock Excavator / HDX450LC Long Reach Earthmover
Complete Machine Technical Specifications
| Category | Item | Unit | Hiyo HDX450LCA-7M Specification |
|---|---|---|---|
| Basic Specifications | Product Model | / | Hiyo HDX450LCA-7M |
| Operating Weight | kg | 45000 | |
| Standard Bucket Capacity | m³ | 1.44–2.72 | |
| Main Performance | Travel Speed (High/Low) | km/h | 5.3/3.2 |
| Bucket Digging Force | kN | 245 | |
| Arm Digging Force | kN | 220 | |
| Engine | Model | / | Hiyo DX12 |
| Type | / | Inline 6-cylinder four-stroke turbocharged water-cooled diesel engine | |
| Number of Cylinders | pcs | 6 | |
| Rated Power | kW/rpm | 257/1800 | |
| Displacement | L | 11.051 | |
| Hydraulic System | Main Pump Model | / | 2 × variable displacement axial piston pumps |
| Rated System Pressure | MPa | 37 | |
| Max Flow | L/min | 2×360 | |
| Fluid Capacities | Hydraulic Oil Tank Capacity | L | 320 |
| Fuel Tank Capacity | L | 650 | |
| Engine Oil Capacity | L | 38 | |
| Cooling System Capacity | L | 45 | |
| Travel System | Number of Track Shoes per Side | pcs | 49 |
| Standard Track Shoe Width | mm | 600 | |
| Number of Lower Rollers per Side | pcs | 9 | |
| Number of Upper Rollers per Side | pcs | 2 |
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