S Type Couplers S70 S Type Excavator Coupler: 566-2351

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Key Specs

Weight: 628 lb; 285 kg

Lifting Hook Capacity: 8 ton (US); 8 ton (US)

Width: 17.72 in; 450 mm

S70 S Type Excavator Coupler: 566-2351
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Overview

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.

Features At A Glance

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.

Product Specifications for S70 S Type Excavator Coupler: 566-2351

Weight	628 lb 285 kg
Lifting Hook Capacity	8 ton (US) 8 ton (US)
Width	17.72 in 450 mm
Overall Length	23.62 in 600 mm
Machine Class	16-30 tons 16-30 tons
Maximum Operating Pressure	5076 psi 350 bar

Product Specifications for S70 S Type Excavator Coupler: 566-2351

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Weight	628 lb 285 kg
Lifting Hook Capacity	8 ton (US) 8 ton (US)
Width	17.72 in 450 mm
Overall Length	23.62 in 600 mm
Machine Class	16-30 tons 16-30 tons
Maximum Operating Pressure	5076 psi 350 bar