Hiyo HY305H-S Mining Excavator

Award-Winning Mine Heavy-Duty Flagship

Hiyo HY305H-S is a 31.5-ton mining hydraulic excavator winning China Construction Machinery TOP50 Technical Innovation Gold Award, fully upgraded with National IV high-power engine and energy-saving positive flow hydraulics for medium and small mines. Equipped with optional 1.8m large rock bucket, it delivers peak 217kN bucket breakout force to break thick rock layers and finish mass ore mucking efficiently. The mine-strengthened boom and arm structure extends service life over 15000 hours under continuous quarry abrasion. 70% climbing capacity and 60.3kPa ground pressure enable stable travel on slippery mine slopes, while 3237mm short tail swing avoids collision inside narrow underground tunnels. The shock-absorbing intelligent cabin eases fatigue during all-day mining shifts. With balanced efficiency and fuel consumption, this multi-purpose digger fits earthwork, stone quarry, open mine, railway tunnel and foundation projects, widely trusted by global mine operators.

Key Highlight Features

1. High-power National IV engine: 210kW/1900rpm rated output, abundant torque reserve, stable power output under heavy mine loads.
2. Dual optional bucket: Standard 1.65m earth bucket, optional 1.8m large rock bucket, match light soil and heavy stone working conditions.
3. Optimized positive flow hydraulic system: Dynamic load matching raises comprehensive efficiency and reduces overall fuel consumption by 10%.
4. Mine-strengthened structure: Thickened boom, arm and chassis with impact-resistant steel, service life exceeds 15000 hours in quarry sites.
5. Compact swing layout: 3237mm tail swing radius and 4000mm minimum turning radius, flexible inside narrow mine tunnels.
6. Premium intelligent cabin: Large touch screen, full shock absorption and upgraded air conditioning for long-hour mining operation comfort.
7. Excellent terrain passing: 540mm minimum ground clearance, 70% (35°) climbing capacity, stable on slippery mine ramps.
8. Wide multi-scenario compatibility: Fully applicable for earthwork, stone quarry, open-pit mine, railway tunnel and foundation construction.

Performance Advantages

1. Super strong digging power: 217kN bucket breakout force and 170kN arm breakout force, fast cycle speed for bulk ore and rock loading.
2. Balanced traveling performance: Max travel speed 5.7km/h, low speed 3.4km/h, 60.3kPa low ground pressure avoids sinking on muddy mine ground.
3. Stable rotary operation: 9.5rpm steady swing speed without jitter during continuous tunnel mucking tasks.
4. Large working coverage: Max digging depth 6815mm, max digging height 10500mm, satisfy deep foundation and high stockpile handling.
5. Outstanding fuel economy: Intelligent power matching eliminates invalid power loss, cut daily fuel expenditure for mine fleets.
6. Ultra-long durability: Mine-grade thickened structural parts pass tens of thousands hours of abrasion and impact tests.
7. Narrow space adaptability: Small tail swing prevents wall collision in underground mine roadways and urban trenches.
8. Low comprehensive maintenance: Extended lubrication and filter replacement intervals reduce machine downtime.

Technical Specification

Core Machine Parameters

Operating Weight: 31500kg

Standard Bucket Capacity: 1.65m³ | Optional Bucket: 1.8m³

Rated Engine Power: 210kW/1900rpm

Transport Overall Dimensions

Total Transport Length: 10700mm | Total Width: 3190mm | Transport Total Height: 3470mm

Cab Top Height: 3280mm | Upper Frame Width: 2998mm

Standard Track Shoe Width: 600mm | Total Track Length: 4848mm

Track Ground Contact Length: 3915mm | Track Gauge: 2590mm

Minimum Ground Clearance: 540mm | Tail Swing Radius: 3237mm

Core Performance Index

Travel Speed (High/Low): 5.7 / 3.4 km/h | Swing Speed: 9.5 rpm

Climbing Capacity: 70% (35°) | Ground Pressure: 60.3 kPa

Bucket Digging Force: 217kN | Arm Digging Force: 170kN

Working Range Parameters

Max Digging Height: 10500mm | Max Dumping Height: 7360mm

Max Digging Depth: 6815mm | Minimum Turning Radius: 4000mm

Max Height At Min Swing Radius: 8405mm

Award-Winning Mine Heavy-Duty Flagship

Hiyo HY305H-S is a 31.5-ton mining hydraulic excavator winning China Construction Machinery TOP50 Technical Innovation Gold Award, fully upgraded with National IV high-power engine and energy-saving positive flow hydraulics for medium and small mines. Equipped with optional 1.8m large rock bucket, it delivers peak 217kN bucket breakout force to break thick rock layers and finish mass ore mucking efficiently. The mine-strengthened boom and arm structure extends service life over 15000 hours under continuous quarry abrasion. 70% climbing capacity and 60.3kPa ground pressure enable stable travel on slippery mine slopes, while 3237mm short tail swing avoids collision inside narrow underground tunnels. The shock-absorbing intelligent cabin eases fatigue during all-day mining shifts. With balanced efficiency and fuel consumption, this multi-purpose digger fits earthwork, stone quarry, open mine, railway tunnel and foundation projects, widely trusted by global mine operators.

Hiyo Heavy Industry: Professional Mining Excavator Manufacturer

Hiyo Heavy Industry integrates independent R&D, automated production, global sales and full after-sales service, taking award-winning HY305H-S 31.5-ton mining excavator as core flagship. We self-develop positive flow hydraulic technology and match National IV high-power engine, mastering full set core tech without external dependence. All mine-strengthened boom, arm and chassis are self-produced with thickened wear-resistant steel. Every HY305H-S passes mine overload simulation tests to guarantee stable long-hour heavy-duty performance. We supply heavy diggers for mine, tunnel and foundation projects worldwide, establishing long cooperation with global mining contractors. Standard offline full inspection eliminates factory defects and ensures reliable delivery to overseas clients.