2020 SANY SR285 Rotary Drilling Rig

2020 SANY SR285 Rotary Drilling Rig

1. Equipment Basic Information

Model: SANY SR285 Rotary Drilling Rig

Manufacture Year: 2020 Well-maintained used unit

Application: Suitable for high-rise building foundations, large bridge piles, municipal infrastructure, highway and railway pile foundations, and various large-scale foundation piling projects.

Condition: Original genuine machine with complete factory configuration, stable hydraulic system and well-kept overall working condition, low wear after regular use.

Emission Standard: National Stage IV, fully compliant with national site access, transfer and annual inspection policies.

2. Main Construction Parameters

Rated Output Torque: 285kN·m

Max Drilling Diameter: 2300mm

Max Drilling Depth: 94m / 61m (dual working modes)

Power Head Rotation Speed: 5–27r/min

Max Crowd Force: 180kN

Main Winch Lifting Force: 330kN

Total Machine Weight: 100000kg

3. Drill Rod & Construction Performance

Drill Rod Configuration: Matched high-strength multi-section drill rod with reliable locking structure, strong torque transmission and excellent rock-breaking performance.

Construction Features: Super-large torque output, strong deep penetration capability, precise verticality control and low hole collapse rate.

Strata Adaptation: Adaptable for clay, sand gravel, pebble layers, hard soil and medium-hard rock strata with stable pile forming quality.

4. Power System

Engine Model: ISUZU 6WG1 Turbocharged Diesel Engine

Rated Power: 300kW / 1800rpm

Power Performance: High power reserve and low-speed high-torque output, stable operation without stalling during deep-hole and hard-rock drilling.

Fuel Economy: Mature power matching and intelligent fuel-saving control, low comprehensive fuel consumption and cost-effective long-term operation.

Reliability: Imported industrial-grade engine, high temperature and dust resistance, perfectly adaptable to long-term outdoor heavy-duty construction.

5. Hydraulic & Control System

Hydraulic System: High-precision full hydraulic control system with stable pressure output, fast response and coordinated lifting, pressing and slewing actions.

Operation Performance: Sensitive pilot operation, accurate micro-adjustment, stable drilling process without jitter, easy operation for operators.

Sealing Performance: Full-machine upgraded sealing components, excellent dustproof, waterproof and anti-leakage performance for all-weather construction.

Intelligent Configuration: Equipped with intelligent pile monitoring, fault self-diagnosis and multi-safety protection devices to ensure standardized and safe construction.

6. Chassis & Structural Performance

Chassis Configuration: Reinforced heavy-duty crawler chassis with widened track shoes, low ground pressure and strong trafficability on muddy and soft foundation sites.

Luffing Structure: Optimized double-cylinder supporting structure with strong anti-deflection ability, ensuring high precision for ultra-deep hole drilling.

Structural Advantage: Thickened high-strength mast and reinforced frame, strong impact resistance and durable for long-term high-load piling operation.

7. Working Condition Adaptability

Applicable Projects: Large bridge foundations, high-rise building piles, municipal key projects, highway & railway foundation engineering and large-scale foundation reinforcement works.

Applicable Strata: Ordinary soil layer, sand-gravel layer, pebble layer, medium weathered rock and complex composite strata.

Working Features: Large drilling coverage, strong rock-breaking capacity, high piling efficiency and stable forming quality.

8. Core Equipment Advantages

High-End 285kN·m Benchmark Model: SANY large-tonnage classic rotary drilling rig with mature technology, huge market inventory and universal spare parts.

Super Strong Drilling Capacity: Large torque, ultra-deep drilling depth and large pile diameter, fully meeting various large and medium pile foundation construction requirements.

Stable & Low Failure Rate: Imported power unit and mature hydraulic matching, reliable overall performance and low maintenance cost.

Excellent Site Adaptability: Stable walking and powerful drilling performance, adaptable to various harsh and complex foundation working conditions.

High Cost Performance: Well-maintained 2020 used unit with stable residual value, ideal for engineering projects and rental investment.