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Maximum performance in soft rock

  • The design of the 3.8-m cutting drum unit installed in the 220 SM 3.8 / 220 SMi 3.8 has been optimized for the mining of soft rock to ensure maximum productivity at minimum operating costs.
  • The surface miner extracts natural resources at a cutting depth of up to 350 mm and with an unconfined compressive strength of up to 35 MPa selectively.
  • The compact 220 SM 3.8 / 220 SMi 3.8 is the ideal candidate for use in small-scale to largescale mining operations.
  • Natural resources are extracted in a single, environmentally sustainable operation without drilling and blasting, yielding material of high quality.
  • Windrowing enables the mined material to be deposited behind the machine in a continuous process.

Technical Highlights

Learn more about the highlights and benefits of the WIRTGEN surface miners

  1. Durable components

    • Track units in heavy-duty design
    • Large-displacement engine
    • High-volume hydraulic pumps and numerous hydraulic fluid pressure filters
  2. Reliable operation

    • Pre-pressurized hydraulic tank
    • High filter capacity of water system for low cutting tool wear
    • Hydraulic side plate cylinders with integrated heavy-duty displacement sensors
    • Central lubrication system with three separate lubricating circuits
  3. High-production cutting drum unit

    • Efficient cutting drum for high-quality windrowing applications
    • Cutting drum housing optimized to minimize wear during operation
    • Effective scraper blade deposits the cut material as an even surface
    • Six different cutting drum speeds minimize tool wear
  4. Efficient machine management

    • Standardized data interface for different customer systems
  5. Effective safety concept

    • Sound-insulated, anti-vibration mounted ROPS / FOPS cabin
    • ROPS / FOPS-certified trainer’s seat inside the cabin
    • Quick and easy replacement of cutting tools
    • Mechanical lockout of electrical system during machine stoppages / maintenance (battery and starter isolators)
    • Manual valves allow safe manoeuvring of the machine in emergency operation
    • Simple mechanical lock to prevent sudden inadvertent lowering of the machine during maintenance procedures
  6. High-performance engine technology

    • High-powered Cummins diesel engine
    • Large diesel tank for extended uptimes
    • Controlled fan speed for low noise emission levels and reduced diesel consumption
  7. Ease of operation and high operator comfort

    • High-precision LEVEL PRO PLUS levelling system
    • Ergonomically optimized cabin and operating concept
    • Automated lowering and raising of the cutting drum for the simple, accurate production of ramps in opencast mining
    • Automatic parallel machine height adjustment, front and rear
    • 5-V USB port and 12-V and 24-V sockets inside the cabin
  8. Quick manoeuvring

    • Hydraulic all-track steering system with Ackermann steering geometry to minimize wear during turning
    • Electronic optimization of tractive power to ensure maximum traction
    • Large ground clearance for quick manoeuvring on difficult ground
    • Reversing camera and reverse assist for smooth manoeuvring
  9. Intelligent maintenance concept

    • Easy access to points of maintenance and servicing
    • Walk-in engine compartment
    • Plain text displays for quick troubleshooting
    • Easy cleaning of cooling system
    • Hydraulic tank can be easily removed for cleaning purposes

Technical specifications

Detailed information about the 220 SM 3.8 / 220 SMi 3.8

Model 220 SM 3.8220 SMi 3.8
Cutting width 3,800 mm12 ′ 5 ″
Cutting depth (windrowing) 0 mm - 350 mm0 - 14 ″
Engine power 708 kW / 963 PS708 kW / 950 HP
Emission standards no EC regulation / US Tier 2no EC regulation / US Tier 2 EU Stage IV / US Tier 4fEU Stage IV / US Tier 4f
Operating weight, CE ** 58,050 kg128,000 lbs 59,000 kg130,095 lbs
220 SM 3.8 i Cutting width 3,800 mm12 ′ 5 ″ Cutting depth (windrowing) 0 mm - 350 mm0 - 14 ″ Engine power 708 kW / 963 PS708 kW / 950 HP Emission standards no EC regulation / US Tier 2no EC regulation / US Tier 2 Operating weight, CE ** 58,050 kg128,000 lbs
220 SMi 3.8 i Cutting width 3,800 mm12 ′ 5 ″ Cutting depth (windrowing) 0 mm - 350 mm0 - 14 ″ Engine power 708 kW / 963 PS708 kW / 950 HP Emission standards EU Stage IV / US Tier 4fEU Stage IV / US Tier 4f Operating weight, CE ** 59,000 kg130,095 lbs
  1. [**] Weight of machine with half-full water tank, driver (75 kg) and on-board tools.

Surface Miner 220 SM 3.8 / 220 SMi 3.8 (Brochure)

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All details, illustrations and texts are non-binding and may include optional additional fittings. Subject to technical modifications. Performance data dependant upon operational conditions.

Market-leading and cutting-edge products for the Road and Mineral Technologies business sectors are constructed at the WIRTGEN brand headquarters in Windhagen, Rhineland-Palatinate. With its innovative, high-performance and cost-efficient products and technologies for cold milling, soil stabilization, hot and cold recycling, concrete paving and surface mining, WIRTGEN leads the world market in road construction and repair, as well as in mining natural rock and pay minerals.

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