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Heavy‑Duty Mechanical Seat for Construction Machinery – YSR911
The YSR911 is a classic Construction Machinery Seat designed for optimal performance in demanding construction environments. Featuring left‑side controls including weight adjustment, backrest adjustment, and height/tilt functions, this seat delivers exceptional durability and comfort for heavy equipment operators such as bulldozers, excavators, and concrete mixers.
Note: This video demonstrates the actual operation and installation process of model YSR911-5B in this series for your reference. The operation logic for other models is similar, but specific details may differ slightly. For instructions on operating a specific model, please contact customer service.
Technical Specifications
| Product Model | YSR911 (Mechanical Suspension Series) |
| Overall Dimensions (L×H×W) | 550 × 1080 × 500 mm |
| Package Dimensions (L×W×H) | 580 × 580 × 700 (or 480) mm |
| Stiffness (Weight) Adjustment | 40 – 130 kg |
| Horizontal Adjustment Stroke | 200 mm (10 mm × 20 steps) |
| Mechanical Suspension Stroke | ±30 mm |
| Height / Rake Adjustment | ±60 mm height, ±12° rake |
| Headrest Adjustment | 75 mm (25 mm × 3 steps) |
| Backrest Adjustment Range | 80° + 41° (total 121°) |
| Backrest Size (L×H×W) | 550 × 1080 × 500 mm |
| Three‑Point Seat Belt Length | 1200 mm (total) |
Why Operators Choose This Mechanical Suspension Seat
Construction machinery operators face continuous vibration, sudden impacts, and prolonged sitting, leading to chronic back pain, spinal compression, and reduced alertness – all of which compromise safety and productivity. Standard fixed seats often lack proper suspension and lumbar support.
This Construction Machinery Seat solves these problems by:
- Absorbing up to 70% of vertical vibrations – reducing fatigue and risk of long‑term injury.
- Providing weight‑tuned damping (40–130 kg) – consistent support for operators of all sizes.
- Offering 121° backrest recline – allows comfortable working and resting postures.
- Integrating a three‑point seat belt – enhances safety during rollovers or sudden stops.
- Built with heavy‑duty components – tested to withstand harsh construction environments.
Key Advantages & Applications
- High‑quality construction with premium materials for long service life.
- Superior safety features including three‑point seat belt.
- Simple maintenance – mechanical suspension requires no air supply.
- Versatile application – suitable for bulldozers, excavators, loaders, concrete mixers, and other construction machinery.
Technical Evolution & Quality Assurance
Construction equipment seating has evolved significantly from early carriage‑type seats placed directly on spring frames. Modern designs now prioritize operator safety, comfort, and interior aesthetics while maintaining rigorous technical standards. Our seats incorporate premium imported German components (dampers, control valves) and undergo strict quality control to ensure reliable performance in demanding conditions.
What Our Customers Say
"We replaced the original seats in our fleet of 30 excavators with YSR911. Operator back pain complaints dropped by 60%, and the mechanical suspension has held up perfectly after two years of heavy use." – Fleet Manager, Canada
"The weight adjustment dial is easy to use, and the seat belt integration is a big safety plus. Highly recommended." – Owner‑Operator, Australia
Production, Packaging & Logistics Summary
| Supply Ability | 800 – 1,000 units per month |
| Standard Packaging | 1 seat / heavy‑duty export carton; palletized options: 4, 8, or 12 units per pallet, fully stretch‑wrapped for air/sea freight. |
| Main Shipping Ports | Shenzhen, Guangzhou, Shanghai, Qingdao (FOB/CIF/DAP/DDP) |
| Lead Time (1‑10 pcs) | 1–3 days (standard in‑stock models) |
| Lead Time (>10 pcs) | Approx. 15 days |
Frequently Asked Questions (FAQ)
Q1: Can safety belts be added to this seat?
A: Yes, the seat comes standard with a three‑point belt. We can also install two‑point or four‑point belts upon request.
Q2: Is optional seat cushion/backrest heating safe?
A: Yes, our optional heating systems undergo rigorous testing for both performance and durability. Follow the instruction manual for safe operation.
Q3: Is transportation insurance required?
A: We recommend insurance for valuable shipments. For orders meeting our Class A volume standards, we provide complimentary insurance coverage.
Q4: Does this seat require an external air supply?
A: No, this is a mechanical suspension seat – it uses springs and a hydraulic damper, requiring no air source. It is ideal for vehicles without onboard air.
Q5: What is the warranty period?
A: 12 months against manufacturing defects. Free replacement parts during warranty.
Q6: Can I install this seat myself?
A: Yes, the seat has a universal mounting pattern (216×295.5 mm) and includes installation instructions. Basic mechanical skills are sufficient.
Q7: Do you offer sample seats?
A: Yes, sample orders are accepted. Sample cost and freight are customer‑paid, refundable upon bulk order.
About YSR Seating – Your Construction Seating Partner
We regularly host international clients at our manufacturing facilities and participate in industry exhibitions worldwide to showcase our latest innovations.
Contact YSR Seating Factory
Ready to upgrade your construction machinery with a durable, comfortable Construction Machinery Seat? Contact our specialists today for pricing, technical drawings, or custom requirements.
Tel: +86-029-81136503
Phone / WeChat / WhatsApp: +86-13991337062
Email: sales@ysrseats.com
WhatsApp: 008613991337062
⛏️ Heavy‑Duty Mechanical Suspension Seat for Construction Machinery – Built for Demanding Environments
Request your quote or sample today – our team responds within 24 hours.
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