CBD Series High‑Capacity Stand‑on AC‑Drive Electric Pallet Truck
Smart Lifting, Easy Moving — LI‑UNILIFT
Heavy‑duty manufacturing and large‑scale distribution hubs demand powerful stand‑on pallet trucks capable of handling 4000 kg, 4500 kg and 5000 kg payloads. The CBD40/45/50‑510/520 stand‑on electric pallet‑truck platform delivers dual configuration choices: long‑fork double‑pallet variant for bulk throughput and compact single‑pallet layout for regular‑aisle operations. Equipped with patented floating drive‑unit, EPS electronic power steering and curve automatic deceleration, this heavy‑duty platform balances high payload capacity, operator comfort and onsite operational safety.
Shock‑Buffered High‑Power AC Powertrain For Heavy Payload Cycles
The CBD40/45/50‑510/520 platform utilises patent‑protected floating drive‑unit assembly. This mechanical structure absorbs shocks generated by imperfect concrete warehouse flooring, so vibration is isolated away from the AC traction motor, ZAPI controller and wheel assemblies to mitigate component wear during repeated heavy‑load transport cycles.
Brush‑free AC traction motor serves as core propulsion hardware. Carbon‑brush wear‑related failure modes are removed, which lowers routine maintenance burden for fleets running multi‑shift schedules. EPS electronic power steering offers light‑touch, quiet directional feedback; operators can complete frequent turning actions with far less physical exertion even under maximum‑weight load conditions.
A mature ZAPI AC controller manages vehicle power output. Stepless speed adjustment is realised alongside multi‑layer automatic protective mechanisms that guard against overload, overheating and unexpected electrical anomalies. Electric lifting delivers rapid fork movement, and standard‑fitted lifting limit switch prevents hydraulic over‑travel to protect lifting linkages and reduce unnecessary battery drain. Electromagnetic‑regenerative composite braking recaptures kinetic energy while delivering consistent stopping performance for both laden and unladen travelling states.
Bilateral side‑pull battery installation comes as standard. Battery modules can be slid out from either side of the chassis, simplifying battery swap‑out for non‑stop shift rotation. The baseline 24V‑360Ah lead‑acid battery meets standard runtime requirements, while FAAM 330Ah / 490Ah and lithium‑ion battery packs can be selected to match site‑specific energy demands. Robust PU wheel groups sustain stable rolling performance under extreme 5‑tonne payloads.
Dual‑Layout Options Paired With Active Safety Functions
Transitioning between bulk‑goods transfer and conventional pallet‑handling assignments is supported by two distinct chassis layouts within this product family, while shared safety features boost confidence for heavy‑load operations.
Curve automatic deceleration logic is integrated across both 510 and 520 versions. When the truck initiates a turning manoeuvre, travelling speed is automatically lowered, which restrains cargo sway and reduces potential tipping risks when moving near‑maximum payloads. A fixed load backrest is supplied as standard; it blocks loaded pallets from backward slippage during transit and improves overall load stability.
CBD40/45/50‑510 is the double‑pallet long‑fork variant. Its extended fork assembly is built to carry two pallets in a single trip, which greatly raises material‑handling throughput for open large‑volume storage yards. Owing to its lengthened wheelbase and overall dimension, this model is better suited for spacious working zones instead of narrow rack aisles.
CBD40/45/50‑520 adopts compact single‑pallet chassis geometry. It keeps the comfortable stand‑on riding position while shortening overall vehicle length and turning radius. This configuration strikes a practical balance between heavy‑load capacity and aisle compatibility for everyday single‑pallet stacking and retrieval tasks.
Operators are permitted to switch between double‑pallet and single‑pallet fork assemblies as an optional upgrade. Lifting and travelling parameters for each chassis variant have been fine‑tuned to maintain a reasonable compromise between transport throughput and workplace safety compliance.
Wide‑Ranging Heavy‑Duty Intralogistics Application Scenarios
Covering 4000 kg, 4500 kg and 5000 kg rated load capacities, this CBD high‑capacity platform fits a broad spectrum of demanding industrial workflows. Suitable environments include heavy‑industry manufacturing workshops, large wholesale distribution centres, high‑volume e‑commerce fulfilment hubs and busy cross‑dock freight terminals.
Facility managers can pick the most suitable chassis variant according to their warehouse layout. The 510 double‑pallet configuration excels in open‑area bulk‑goods shuttling; meanwhile, the 520 single‑pallet version performs well in standard‑width rack aisles. Multiple battery alternatives expand operational flexibility: standard lead‑acid, FAAM high‑capacity lead‑acid and lithium‑ion options accommodate different charging infrastructures and shift intensities. The bilateral side‑pull battery design facilitates quick spare‑battery exchange to support round‑the‑clock production‑linked logistics.
Shared Modular Architecture Simplifies Fleet Maintenance
LI‑UNILIFT incorporates service‑minded design principles throughout the whole CBD40‑500‑510/520 product range. Common core assemblies including patented floating drive‑unit, ZAPI AC controller, EPS steering hardware and dual‑side battery access structure reduce spare‑part SKU counts and streamline on‑site diagnostic work for mixed‑configuration fleets.
- Patent floating drive‑unit dampens floor‑originated impacts and extends service life for critical powertrain components
- Bilateral side‑pull battery setup enables convenient battery removal from either side without major housing disassembly
- Brush‑free AC traction motor eliminates periodic carbon‑brush inspection and replacement tasks
- Trusted ZAPI AC controller provides built‑in diagnostic routines to speed‑up fault localisation
- Standard load backrest enhances cargo security during heavy‑payload transit
- Optional fork assemblies allow conversion between double‑pallet and single‑pallet working modes
Advancing Multi‑Variant Heavy‑Load Stand‑on Pallet‑Truck Engineering
Global heavy‑duty intralogistics continues to raise requirements for pallet‑truck platforms that deliver multiple payload grades and interchangeable chassis layouts within one unified mechanical base. LI‑UNILIFT keeps implementing practical technical refinements for high‑capacity AC‑powered stand‑on pallet trucks. These optimisation efforts cover floating drive‑unit shock‑absorption tuning, EPS steering‑comfort calibration, curve‑automatic‑deceleration safety‑logic iteration and multi‑spec battery‑system compatibility expansion.
Apart from powertrain and mechanical refinements, human‑centred ergonomics, multi‑layer active‑safety safeguards and rigid heavy‑duty chassis construction remain core design priorities. The R&D team keeps exploring forward‑looking directions including load‑dependent speed limitation and centralised fleet‑health monitoring for next‑generation large‑scale industrial warehousing.
Technical Specifications
| Feature | Unit | ||||||
| Load capacity | kg | 4000/4500/5000 | |||||
| Wheels type | PU | ||||||
| Wheel quantity Driving wheel/Balance wheel/Bearing wheel | 1/4/2(4) | ||||||
| Outside width between forks | mm | 680 | |||||
| Inside width between forks | mm | 180 | 220 | ||||
| Fork length | mm | 2432 | 1212/1365/1517 | ||||
| Overall length | mm | 3605 | 2374 | ||||
| Overall width | mm | 930 | |||||
| Travel speed,laden/unladen | km/h | 8-8 | |||||
| Gradeability,laden/unladen | % | 5-12 | |||||
| Controller | ZAPI | ||||||
| Drive motor/Lift motor/Steering motor | kW | AC4.2/DC2.2/DC0.15 | |||||





















