
A powerhouse for 420kg cargo, utilizing self-balancing technology to keep loads perfectly level. Its tight turning radius and tracked drive provide unmatched control and safety for your most demanding deliveries.
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The XSTO CT420 is engineered for extreme-duty material handling where maximum load capacity and stability are critical. Positioned at the top of the tracked stair climber range, it delivers the highest level of performance, control, and load security for demanding applications.
Designed with a crawler track system, the CT420 maintains continuous contact with each step, delivering smooth, controlled movement while minimising impact on both the load and the staircase. This ensures stable and predictable handling of heavy, bulky, or high-value equipment across challenging stair environments.
With a rated load capacity of 420kg, the CT420 is suited to demanding applications such as vending machines, safes, machinery, construction materials, and industrial equipment. Its intelligent load levelling system automatically adjusts the load angle during operation, maintaining a stable, upright position and significantly reducing operator input when handling large or top-heavy items.
The CT420 features a fully integrated control system with joystick operation, allowing precise control of movement direction, climbing speed, and loading plate angle. This enables operators to manage heavy loads with a high level of accuracy, even in tight or complex stair environments.
Safety is further enhanced through non-marking, anti-slip rubber crawler tracks, ensuring reliable grip across a wide range of stair surfaces. The automatic loading plate adjustment system maintains optimal load positioning throughout operation, while the integrated braking and control system allows the unit to safely stop and hold position at any point.
Constructed from a reinforced aluminium alloy frame, the CT420 is built for durability in demanding environments while remaining manageable for transport between job sites. Despite its heavy-duty capability, the unit is designed for single-operator use, significantly reducing manual handling risks and improving operational efficiency.
Powered by a high-capacity lithium battery system, the CT420 delivers extended runtime, capable of climbing approximately 1,400–1,600 steps (around 80–100 floors) on a single charge. This ensures reliable performance across extended operations with minimal downtime.
As the highest-capacity tracked stair climber in the range, the CT420 provides maximum stability, control, and load security for heavy-duty applications where performance and safety cannot be compromised.
| Frame Material | Aluminium Alloy | Net Weight | 94 kg |
|---|---|---|---|
| Rated Load Capacity | 420 kg | Climbing Speed | Low: ~10 steps/min High: ~16 steps/min |
| Maximum Step Height | 210 mm | Min Landing Size | 1500 mm x 1500 mm |
| Battery Type | Lithium-ion | Range per Charge | 1,400~1,600 steps |
| Charging Time | 4 hours | Overall Dimensions | 1170 x 614 x 1150~1640 mm |
| Loading Plate Size | 630 mm x 560 mm | Motor Type | High~power DC Motor |
| Braking System | Automatic Electronic Braking / Hold Position | Control System | Joystick Control (wired remote) |

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