Hiyo HDX800LC-7B Extra Large Crawler Excavator

Product Overview

Hiyo HDX800LC-7B is a heavy-duty crawler excavator built for the toughest applications. With top-tier engine power, hydraulic flow and optimized fuel efficiency, it delivers maximum productivity, reliability and operator comfort, while minimizing cost per ton for mining and large-scale earthmoving projects.
 
 
Description
Complete Machine Technical Specifications
CategoryItemUnitHiyo HDX800LC-7B Specification
Basic SpecificationsProduct Model/Hiyo HDX800LC-7B
 Operating Weightkg79100
 Standard Bucket Capacity3.42–5.58
Main PerformanceTravel Speed (High/Low)km/h4.8/2.9
 Bucket Digging ForcekN353
 Arm Digging ForcekN293
EngineModel/Cummins QSM15
 Type/Inline 6-cylinder four-stroke diesel engine
 Number of Cylinderspcs6
 Rated PowerkW/rpm563/2100
 DisplacementL14.5
Hydraulic SystemMain Pump Model/2 × variable displacement tandem axial piston pumps
 Rated System PressureMPa35
 Max FlowL/min2×504
Fluid CapacitiesHydraulic Oil Tank CapacityL790
 Fuel Tank CapacityL890
 Engine Oil CapacityL52
 Cooling System CapacityL86.3
Travel SystemNumber of Track Shoes per Sidepcs48
 Standard Track Shoe Widthmm650
 Number of Lower Rollers per Sidepcs8
 Number of Upper Rollers per Sidepcs3

Performance Advantages 

① Powerful Engine

• Model: Cummins QSM15
• Type: Inline 6-cylinder four-stroke diesel engine
• Rated power: 563 kW @ 2100 rpm
• Displacement: 14.5 L
• Generates high torque at low rotation speed, stable power output, Tier III emission compliant, simple daily maintenance

② Upgraded Hydraulic System

• Main pump: 2 × variable displacement tandem axial piston pumps
• System relief pressure: 350 bar
• Max main pump flow: 2 × 504 L/min
• Equipped with e-EPOS electronic power optimization system for intelligent flow allocation
• Fast hydraulic response, seamless combined movements and high overall construction efficiency

③ Optimized Structure & Heavy-Duty Durability

• X-shaped undercarriage optimized via finite element analysis to eliminate structural internal stress
• Thickened boom & arm plates with reinforced end bosses to reduce metal fatigue
• Patented EM self-lubricating bushings for all pivot joints, extending greasing intervals
• Unique crossed swing bearing design for better load distribution and longer service lifespan

④ Intelligent Luxury Comfort Cab

• 8-inch multi-functional touch screen supporting Bluetooth, climate control, USB, radio & equipment setting
• Ergonomic heated air-suspension adjustable shock-absorbing operator seat
• Smart keyless one-button start system for convenient operation
• Built-in cup holders, multi-layer storage compartments and integrated hot & cool box
• Full 360° around view monitor system to eliminate visual blind zones

⑤ Easy Maintenance & Reliable Mobility

• Large side service doors and top engine cover for full access to all service parts
• All oil filters concentrated in pump compartment for one-stop inspection & replacement
• Two-speed travel mode: 2.9 / 4.8 km/h with automatic speed shift
• Standard 650 mm double grouser track shoes, optional 750/900 mm wide tracks
• Large dual reversible cooling fans to stabilize hydraulic & engine temperature under extreme heat

Key Highlights

• Delivers top-tier productivity and powerful digging force for heavy mining & quarrying workloads
• Smart Power Control system drastically cuts fuel consumption and lowers cost per ton
• High-flow upgraded hydraulic system with optimized oil distribution for smooth compound movements
• Spacious intelligent panoramic cab with full humanized comfort & safety configurations
• Reinforced heavy-duty structural components support long-hour continuous non-stop operation
• Centralized lubrication layout & easy-access filter groups greatly reduce daily maintenance downtime
• Crossed swing bearing design extends service life with uniform stress dispersion
• Complete 360° AVM monitor system eliminates blind spots and boosts on-site operation safety
• Multiple interchangeable boom/arm/bucket combinations fit diverse earthmoving & mining scenarios
• Heavy-duty sealed undercarriage with lifetime lubricated rollers for outstanding terrain adaptability

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