QYD Series Electric Tractor
Smart Lifting, Easy Moving — LI-UNILIFT
Reliable tow transport within manufacturing plants and distribution hubs demands compact stand-on electric tractors built to handle heavy pull loads across long transfer routes. The QYD30-480 electric tractor provides a rated traction range of 3000 to 4500 kg, paired with an AC drive system and intuitive electronic steering. It is engineered to shuttle multiple trailer carts between production lines, staging zones and loading bays.
Robust AC Powertrain For Continuous Towing Tasks
A vertical 1.5-kilowatt AC drive unit powers this stand-on tractor. Carbon brushes are eliminated from the motor assembly, lowering routine service requirements while maintaining consistent pulling torque during repeated transport runs. Stepless speed adjustment is delivered through the CURTIS AC 200A controller, which monitors operating conditions and shields the vehicle against common electrical faults.
Side-mounted battery construction is adopted for straightforward battery access. The 270Ah lead-acid battery pack can be pulled out laterally without heavy lifting or complex disassembly. Downtime is shortened when batteries need to be swapped for extended multi-shift workflows.
Ergonomic Steering And Compact Maneuverability
Electronic power steering is integrated to lighten steering effort for operators. Smooth, responsive directional control is preserved even when the tractor is coupled to fully loaded trailer trains. Operator fatigue is reduced over long transport circuits inside large facilities.
The compact chassis profile and tight turning radius allow the tractor to navigate narrow factory aisles and congested transfer areas. PU drive and bearing wheels are fitted as standard; they absorb minor floor irregularities and keep rolling resistance low during constant towing operations. A stable standing platform gives the operator secure footing while directing trailer loads.
Integrated Braking And Operator Safety Controls
Combined electromagnetic and regenerative braking systems are equipped to manage speed and stop the loaded trailer train reliably. Regenerative braking recovers small amounts of energy during deceleration, which helps extend available runtime per battery charge. The braking response is predictable whether the tractor runs with a full towed load or travels uncoupled.
The standing operator layout keeps the operator positioned close to all main controls. Speed limits and ramp hold performance are calibrated to support safe movement on gentle warehouse gradients. The controller’s built-in protective logic cuts power automatically if critical operating thresholds are breached.
- Vertical AC drive motor removes carbon brushes and cuts regular maintenance work
- CURTIS AC 200A controller delivers stepless speed regulation and multi-layer fault protection
- Side pull-out battery design enables quick battery exchange for non-stop shift operation
- Electronic power steering eases directional control with heavy trailer trains attached
- Compact chassis and small turning radius support navigation within narrow industrial aisles
- PU wheel set balances low rolling resistance and wear resistance for long daily use
- Electromagnetic and regenerative dual braking improves stopping stability and energy recovery
- Stand-on platform layout creates a compact footprint suitable for factory line transport
Advancing Stand-On Tractor Solutions For Factory Material Flow
Modern production and warehousing sites rely on tow tractors to streamline batch transport of parts and finished goods. Facility managers seek steady traction performance, simple battery maintenance and stable braking for trailer convoys. LI-UNILIFT optimises the QYD series electric tractor to fit these industrial material transfer requirements.
Engineers refine the AC drive torque curve and tune braking characteristics to suit trailer pulling scenarios. Operator standing comfort, chassis durability and easy service access are prioritised throughout the design phase. Continuous bench and field testing validate the tractor’s performance across varying load weights and indoor floor conditions.
Technical Specifications
| Feature | Unit | |
| Rated traction weight | kg | 3000-4500 |
| Rated pulling power | N | 1100 |
| Wheels type | PU | |
| Wheel quantity | Driving wheel 1/Bearingwheel 2 | |
| Overall length | mm | 1369 |
| Overall width | mm | 790 |
| Travel speed,laden/unladen | km/h | 5.5/6 |
| Gradeability,laden/unladen | % | 5/7 |
| Drive motor | KW | AC1.5 |
| Controller | ZAPI AC0 |
Benefits of QYD30-480 Electric Tow Tractor Below:
| Feature | Benefit |
|---|---|
| 3 Ton towing capacity | Handles medium-duty transportation |
| Electric power | Zero emissions and low noise |
| Compact design | Works well in limited spaces |
| AC drive motor | High efficiency and reliability |
| Low maintenance | Reduced operating cost |
| Continuous operation | Suitable for logistics routes |














