YD21-017/018 Air Trolley Jacks: 2/3-Stage, 15-20T for Truck/Bus Fast Lifting
Product Details
| Model: | YD21-011 | Rated Capacity: | 5T |
|---|---|---|---|
| Lifting Range Of Foot (MM): | 25-230 | Lifting Range Of Head (MM): | 368-573 |
| Max. Lever Force (KG): | 38 | N.W./G.W. (KG): | 25/26 |
| Highlight |
heavy-duty air trolley jack,2-stage truck lifting jack,20-ton bus trolley jack |
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Product Description
| Common Parameters | Specific Description |
|---|---|
| Product Type | Telescopic air trolley jacks, including two models: YD21-017 (Two Stages Telescopic) and YD21-018 (Three Stages Telescopic). Specially designed for the maintenance of heavy-duty vehicles such as trucks and buses. |
| Core Common Configurations |
|
| Common Applicable Scenarios | Covers chassis maintenance, tire replacement, transmission system inspection, and frame adjustment of trucks and buses. |
| Model | Telescopic Stages | Rated Load | Min. Height (mm) | Max. Height (mm) | Power Mode | Operating Force | Weight (KG) | Core Adaptable Scenarios |
|---|---|---|---|---|---|---|---|---|
| YD21-017 | Two Stages | 15T | 180 | 650 | Air + Hydraulic | ≤50N | 85/90 | Maintenance of light trucks and minibuses |
| YD21-018 | Three Stages | 20T | 160 | 800 | Air + Hydraulic | ≤50N | 110/115 | Maintenance of heavy-duty trucks and coaches |
- Fast Positioning Under No Load: YD21-017 lifts to 300mm in 8 seconds; YD21-018 lifts to 350mm in 10 seconds.
- Stable Output Under Load: Hydraulic system maintains 15-20mm/s lifting speed under rated load.
- Height Range Coverage: YD21-017 (180-650mm); YD21-018 (160-800mm) for full range of vehicle maintenance needs.
- 800mm T-handle allows remote positioning from 1 meter away.
- 4 large rubber wheels with brake function for easy movement and stability.
- Air-driven self-retracting: YD21-017 retracts in 12 seconds; YD21-018 in 15 seconds.
- 16mm thick cold-rolled steel construction with reinforced stress points.
- ANSI/ASME PALD 2009 compliant safety features including overload protection.
- Replace front tire of JMC Kaiyun light truck (4.5T).
- Lift to 300mm in 8 seconds, complete operation in 25 minutes.
- 37.5% more efficient than traditional manual jacks.
- Inspect transmission system of Yutong T7 minibus (6.8T).
- Lift to 650mm maximum height for 50cm operating space.
- 50% more efficient than traditional tools.
- Maintain transmission system of FAW J7 heavy-duty truck (12T).
- Three-stage telescoping to 800mm maximum height.
- 43% time savings compared to traditional tools.
- Adjust frame of King Long XMQ6129 coach (15T).
- 800mm high stroke meets frame adjustment needs.
- 80% improvement in adjustment accuracy.
Not recommended. The overload protection will trigger at 22T, which is the safety upper limit. Forced operation will reduce equipment lifespan and require more frequent maintenance.
- Check air circuit connections
- Verify air compressor pressure (0.6-0.8MPa)
- Clean valve blockage if necessary
- Use wheels for leverage
- Clear passage obstacles
- Use traction assistance if needed
Product Highlights
YD21-017/018 Air Trolley Jacks: 2/3-Stage, 15-20T for Truck/Bus Fast Lifting Product Specifications Series Basic Information & Core Common Configurations Common Parameters Specific Description Product Type Telescopic air trolley jacks, including two models: YD21-017 (Two Stages Telescopic) and YD21...
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