Hiyo HY900H-S Mining Hydraulic Excavator

Product Overview：

Hiyo HY900H-S is a 90-ton heavy-duty mining hydraulic excavator complying with China National IV emission standards, upgraded based on the mature SY870H Stage III model. Powered by an imported Isuzu 6WG1 engine of 382kW rated power, it adopts DOC+DPF+SCR aftertreatment system for low fuel consumption and clean exhaust. Equipped with fully electronic controlled hydraulic system and reinforced mining undercarriage, it delivers powerful digging force and outstanding durability. This machine won the 2024 China Construction Machinery Top50 Market Performance Gold Award, widely used in open-pit coal, iron ore stripping, rock loading and breaking, perfectly matched with 70-80t wide-body mining trucks. Four customizable bucket types cover all earth & rock working conditions, paired with intelligent C12 cab for comfortable, smart operation.

 Key Highlight Features：

Powerful Imported Engine: Isuzu 6WG1 inline 6-cylinder turbo engine, 382kW power, 2250N·m peak torque for heavy mining loads.Efficient Electronic Hydraulics: Custom large-displacement main pump & integrated proportional valve, P-Q power boost control for smooth compound movements.National IV Clean Emission: DOC+DPF+SCR post-processing, high NOx conversion rate, improved fuel economy.Reinforced Mining Chassis: Heavy-duty dual-rib wear-resistant tracks, reinforced travel motors, full protective track guards.Versatile Bucket Options: 5.5-7.0m³ bucket capacity, 4 bucket types for earth, stone, heavy rock and light soil projects.Upgraded Intelligent C12 Cab: Wider space & larger glass view, 10-inch smart touchscreen, one-button startup, built-in diagnostic system.Optimized Cooling & Aircon: 30% larger condenser, 10% better cooling effect, washable air conditioning system.

Performance Advantages：

Superior Mining Productivity: 480kN bucket digging force & 430kN arm digging force, fast cycle speed, high loading efficiency for mine mass hauling.Excellent Fuel Saving: Matched engine-hydraulic power curve, large economic fuel consumption zone, lower operation cost per ton material.Strong Passing & Stability: 35° climbing capacity, only 120kPa ground pressure, stable traveling on muddy, rocky mine ground.Long Service Life: Integral welded undercarriage, heavy-duty rollers & wear-resistant steel buckets, less downtime & maintenance cost.5. Intelligent Operation Safety: Real-time fault monitoring, GPS positioning, remote diagnosis reduce sudden breakdown risks. Low Maintenance Frequency: Large capacity fuel tank & lubrication system, extended service intervals for mining dusty environments.

Technical Specification：

Basic Machine: Operating Weight 90000kg, Standard Bucket Capacity 6.0m³, Adjustable Range 5.5-7.0m³

– Engine: Isuzu 6WG1 Inline 6-cylinder Turbo Intercooled, Displacement 15.681L, Rated Power 382kW/1800rpm, Max Torque 2250N·m/1300rpm

– Travel & Swing: Travel Speed 3.0-4.6km/h, Swing Speed 6.6rpm, Gradeability 35°, Ground Pressure 120kPa

– Digging Force: Bucket Digging Force 480kN, Arm Digging Force 430kN

– Fluid Capacity: Fuel Tank 950L, Engine Oil 42-57L, Radiator 75L, Final Drive 2×20L

– Undercarriage: 51 Track Shoes Per Side, 9 Rollers Per Side, 3 Carrier Rollers Per Side, Standard Track Shoe Width 650mm

Mining Efficiency & Output：

Hiyo HY900H-S 90-ton mining excavator is a flagship heavy equipment designed for large open-pit mining projects, honored with the 2024 China Construction Machinery Top50 Gold Award. Fitted with imported Isuzu 6WG1 382kW engine and full electronic hydraulic system, it generates powerful digging force to speed up ore stripping and truck loading. Its 6m³ standard bucket supports four interchangeable bucket types, adapting to hard rock, ore and bulk earthwork without equipment replacement. The National IV DOC+DPF+SCR aftertreatment cuts fuel waste and harmful emissions, lowering long-term mining operation costs. Reinforced mine-type undercarriage with wear-resistant tracks ensures stable movement on rough mine slopes, with 35° climbing capacity and low ground pressure. The upgraded C12 intelligent cab offers wider vision and 10-inch smart display for real-time machine data and fault alerts. Perfectly matched with 70-80t wide-body mining trucks, HY900H-S improves daily mine output significantly, a high-profit choice for coal, iron and quarry operators worldwide.

Durability & Low Maintenance：

For mining contractors pursuing long machine lifespan, Hiyo HY900H-S large hydraulic excavator delivers outstanding durability and low maintenance cost. Built on integral welded heavy frame, dual-rib wear-resistant tracks, heavy-duty travel motors and full track guards, all undercarriage parts are reinforced for harsh dusty mine environments. The imported Isuzu 6WG1 engine features stable power output and extended lubrication intervals, while large-capacity fuel and hydraulic tanks reduce frequent refueling and oil changes. Its customized electronically controlled main pump and proportional valve adopt P-Q power control to balance high digging performance and fuel consumption, avoiding overloading damage to hydraulic components. Four bucket options with wear-resistant steel liners resist rock abrasion during stone breaking and loading. The intelligent diagnostic system in C12 cab detects hidden faults early to prevent costly breakdowns. Complying with National IV emission standards, this 90-ton excavator minimizes downtime and maintenance fees, maximizing continuous working hours for mining enterprises.

Intelligent Cab & Comfort Operation：

Hiyo HY900H-S 90-ton mining excavator redefines intelligent and comfortable mining operation with fully upgraded C12 cab developed around five intelligent modules: network connection, interaction, construction, driving and maintenance. Compared with previous models, the cab width expands 25mm and front window width rises 10%,

bringing wider glass view to eliminate blind spots during rock handling. Equipped with a 10-inch central touch screen, it integrates Bluetooth, GPS, air conditioning, one-button startup and automatic fault alarm functions for simple intelligent debugging. The optimized air duct system boosts cooling efficiency by 10%, with a 30% larger washable condenser for easy daily maintenance. All operation panels are humanized arranged to ease long-hour mining work fatigue. Matched with high-power engine and smooth hydraulic compound movements, operators can finish stripping, loading and breaking tasks effortlessly. This smart large mining excavator balances high productivity and driver comfort, reducing operation error rates and improving overall mine working efficiency.

Hiyo Global Leading R&D Strength for Mining Excavators：

Hiyo Heavy Industry holds top-tier R&D system for large mining machinery, with dedicated laboratory teams focusing on heavy excavator power, hydraulic and chassis technology. The HY900H-S 90-ton mining excavator is a core R&D achievement upgraded from mature SY870H platform. R&D engineers optimize Isuzu engine matching, full electronic hydraulic control and SCR emission technology to balance power, fuel efficiency and durability. Multiple mine field tests are conducted to polish digging force, climbing performance and cab intelligence. Independent intelligent monitoring system, bucket serial design and reinforced undercarriage all come from in-house R&D patents. Continuous technical iteration ensures Hiyo mining excavators meet global open-pit mining harsh demands, winning authoritative industry awards and worldwide market recognition for reliable, high-efficiency heavy equipment solutions.

Hiyo Standardized Intelligent Production Workshop：

Hiyo’s heavy excavator intelligent workshop adopts full digital production lines to manufacture HY900H-S mining excavators with strict quality control standards. Integrated welding robots process integral reinforced chassis frames, improving structural strength and uniformity of mine-use components. Imported precision assembly equipment matches Isuzu engines and electronic hydraulic systems, avoiding assembly errors that shorten service life. Every undercarriage roller, track shoe and bucket undergoes wear resistance and load testing before installation. Complete production traceability system records each component’s production data for after-sales tracking. Clean, standardized workshop environment reduces dust pollution during assembly, protecting precision hydraulic parts. Mass standardized production shortens delivery cycle while maintaining consistent high quality for all HY900H-S miningexcavators.

Hiyo Core Manufacturing Philosophy: Quality Changes the World：

“Quality Changes the World” is Hiyo’s persistent manufacturing philosophy guiding all heavy equipment development including HY900H-S large mining excavator. Every design and production link prioritizes long-term reliability over short cost savings. For mining scenarios with heavy load and severe abrasion, Hiyo selects high-strength wear-resistant steel and imported core components, upgrading undercarriage, hydraulic and power systems. The brand rejects low-cost simplified configurations that sacrifice service life. After strict laboratory simulation and real mine operation verification, only qualified technologies are applied to mass production. Customer profit improvement is the core target: low fuel consumption, high loading efficiency and low maintenance cost of HY900H-S directly cut mining operation expenses, realizing win-win value for mining

investors and Hiyo.

Hiyo Global Production Scale & Mining Equipment Supply Capacity：

As a global top construction machinery manufacturer, Hiyo owns multiple industrial parks with large-scale heavy equipment production bases, supporting mass supply of HY900H-S 90-ton mining excavators for global mining markets. Complete industrial chain covers steel processing, component casting, hydraulic assembly and finished machine testing, realizing independent production of most core parts without external dependence. Large storage warehouses stock standard buckets, engine parts and undercarriage spare parts to shorten delivery and after-sales replacement cycles. Global dealer network covers Asia, Africa, Australia and Latin America, providing timely machine delivery and local maintenance service for open-pit coal, iron and quarry projects. Large production scale lowers single unit manufacturing cost, offering cost-effective heavy mining machinery to global mining contractors.

Hiyo All-Round Service Support for Mining Excavator Clients：

Beyond high-performance HY900H-S mining excavators, Hiyo provides full lifecycle service system for global mining customers. Professional after-sales teams conduct regular on-site machine inspection to prevent hidden faults in dusty mining environments. Spare parts warehouses distributed worldwide guarantee fast delivery of engine, hydraulic and undercarriage accessories. Professional operation training teaches operators to master intelligent cab functions and fuel-saving working modes, improving machine utilization rate. Remote intelligent diagnosis system monitors HY900H-S running data 24/7, sending early warnings of abnormal power or hydraulic pressure. Combined with durable machine design, all-round service reduces mine downtime, fully releasing the production capacity of Hiyo 90-ton heavy mining excavators for all mineral exploitation projects.

 Open-pit Coal Mine Stripping & Loading：

Hiyo HY900H-S fits large open coal mines for overburden stripping, coal ore excavation and fast truck loading. Strong digging force handles thick coal rock layers, matched with 70-80t wide-body mining trucks to boost daily coal output.

Iron Ore & Metal Mineral Mining：

Applied to iron, manganese and other metal open-pit mines for ore excavation, stockpiling and transport loading. Reinforced wear-resistant bucket resists hard ore abrasion, stable chassis works on rugged mine slopes.

 Stone Quarry & Rock Breaking Projects：

Equipped with rock bucket or hydraulic ripper for quarry stone excavation, rock crushing and bulk stone material handling. High bucket breakout force efficiently split hard rock blocks.

Large-scale Earth & Rock Works

Suitable for huge earthmoving projects, mountain cutting, foundation excavation and large stockyard stacking. Interchangeable light earth bucket lowers fuel consumption for soft soil construction.

 Large Mine Site Reclamation & Land Leveling

Used in post-mining land reclamation, slope trimming and mine yard leveling. Wide vision intelligent cab ensures precise grading operation on uneven mine terrain.