Lehnhoff Fully Automatic Quick Coupler | SQ80V
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Lehnhoff SQ80V Fully Automatic Quick Coupler
The Lehnhoff SQ80V fully automatic quick coupler is engineered for 25–43 ton excavators operating in demolition, quarry, excavation, utility, recycling, and heavy construction applications. Built around the proven Lehnhoff S-standard interface, the SQ80V allows operators to quickly change hydraulic and mechanical attachments directly from the cab while improving machine productivity and reducing downtime.
The SQ80V combines compact coupler dimensions, high-flow hydraulic valve technology, and integrated safety monitoring to support demanding hydraulic attachment applications while maintaining excavator breakout force and lifting performance.
Lehnhoff SQ80V Features
The SQ80V is designed to improve excavator versatility, hydraulic efficiency, and operator safety in demanding heavy-duty attachment applications.
Key Features
- Fully automatic hydraulic and mechanical attachment changes directly from the operator cab.
- S-standard symmetrical quick coupler system supports multiple attachment positions.
- Short-stroke hydraulic valve technology delivers high oil flow with reduced pressure loss.
- Integrated Lehnhoff Safety Control (LSC) monitors secure attachment locking status.
- Compact coupler design helps preserve excavator breakout force and lifting performance.
- Protected hydraulic valve blocks improve durability in harsh working environments.
- Supports fast switching between breakers, grapples, buckets, compactors, shears, and hydraulic tools.
Built for Heavy-Duty Productivity
The Lehnhoff SQ80V helps reduce manual hose handling and attachment swap downtime while improving machine utilization throughout demanding workdays. Operators can quickly switch between hydraulic and mechanical tools without leaving the cab.
Common Applications
The Lehnhoff SQ80V quick coupler is commonly used on larger excavators operating in demanding construction, demolition, and quarry environments where fast attachment changes and hydraulic performance are critical.
Demolition
Quickly switch between breakers, pulverizers, grapples, buckets, and shears during demolition operations.
Quarry & Aggregate
Support hydraulic hammer and bucket changes for demanding rock and aggregate applications.
Excavation
Improve excavator versatility for trenching, grading, earthmoving, and large-scale site development.
Utility Construction
Support large underground utility and infrastructure projects with multiple hydraulic attachments.
Recycling
Increase productivity during concrete processing, scrap handling, and material sorting operations.
Heavy Construction
Reduce machine downtime and improve attachment flexibility across demanding construction projects.
Lehnhoff SQ80V Specifications
Compare the core operating specifications for the Lehnhoff SQ80V fully automatic quick coupler.
| Specification | SQ80V |
|---|---|
| Excavator Class | 25-43 tons |
| Coupling Shaft Diameter | 3.15 in |
| Axle Distance | 26.38 in |
| Width | 23.15 in |
| Approximate Weight | 948 lbs |
| Valve Configuration | 2xKV1 / 2xKV4 / 1xKV3 |
| Recommended Komatsu Excavators | PC238 - PC390 |
Why Choose the SQ80V?
The SQ80V combines fully automatic hydraulic coupling technology with compact quick coupler design for improved excavator efficiency and productivity. The integrated valve system allows operators to connect hydraulic attachments without manually handling hoses while helping reduce downtime between tasks.
Need Compatibility Assistance?
Send us your excavator make, model, hydraulic specifications, attachment requirements, and application details. Our team can help confirm compatibility for the Lehnhoff SQ80V quick coupler system.
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