S Type Couplers

S80 S Type Excavator Coupler: 573-3171


1,005 lb

Lifting Hook Capacity

10 ton (US)


23.23 in


Cat® S Couplers help you get the job done faster while keeping the safety of your people and equipment top of mind. With the ability to easily switch attachments, S Couplers bring enhanced versatility and the kind of quality you expect from your Cat products. S Couplers are a versatile solution that help your operation run at peak efficiency.

Detailed Equipment Specifications

  • Weight

    1,005 lb

    456 kg

  • Lifting Hook Capacity

    10 ton (US)

    10 ton (US)

  • Width

    23.23 in

    590 mm

  • Overall Length

    26.38 in

    670 mm

  • Machine Class

    93.0 in

    93.0 mm

    25-40 tons

  • Maximum Operating Pressure

    5,076 psi

    350 bar

Unmatched Durability

The most important coupler components are protected inside the cast base The coupler is made of cast pieces that sustain force better over time Wide contact surface to connect attachments prevents excessive wear Low build height maintains consistent breakout force Heavy-duty locking wedge keeps attachments secure

Enhanced Versatility

Switching attachments is quick and easy Attachments can be shared between machines in the same size class Lift hook allows for lifting objects with a chain or strap

Industry-Leading Safety

SecureLock™ features and technology lead the industry in safety Pressure relief – limits system to 300 bar (4351 psi) to protect the cylinder or locking wedge from damage Hydraulic lock – check valve prevents hydraulic backflow Sensor – measures the position of the locking wedge and indicates coupling status to the operator Mechanical Spring – keeps the locking wedge in locking position, even in the event of hydraulic pressure loss Locking visual on coupler and machine monitor gives operator assurance the attachment is connected Operators can switch attachments independently while staying safe in the cab

Boost Efficiency and Productivity with Integrated Technologies

Never waste time looking for your coupler again. Cat asset tracking is available on select couplers. Track your entire fleet of attachments and machines from one source. Couplers with asset tracking can be viewed within VisionLink®alongside Product Link™subscribed equipment. Keep your assets secure. Couplers with an asset tracker send an alert if they leave an easy-to-setup site boundary.

Similar Attachments


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