High-quality 3D assets at affordable prices — trusted by designers, engineers, and creators worldwide. Made with care to be versatile, accessible, and ready for your pipeline.

Included File Formats
This model is provided in 14 widely supported formats, ensuring maximum compatibility:
• - FBX (.fbx) – Standard format for most 3D software and pipelines
• - OBJ + MTL (.obj, .mtl) – Wavefront format, widely used and compatible
• - STL (.stl) – Exported mesh geometry; may be suitable for 3D printing with adjustments
• - STEP (.step, .stp) – CAD format using NURBS surfaces
• - IGES (.iges, .igs) – Common format for CAD/CAM and engineering workflows (NURBS)
• - SAT (.sat) – ACIS solid model format (NURBS)
• - DAE (.dae) – Collada format for 3D applications and animations
• - glTF (.glb) – Modern, lightweight format for web, AR, and real-time engines
• - 3DS (.3ds) – Legacy format with broad software support
• - 3ds Max (.max) – Provided for 3ds Max users
• - Blender (.blend) – Provided for Blender users
• - SketchUp (.skp) – Compatible with all SketchUp versions
• - AutoCAD (.dwg) – Suitable for technical and architectural workflows
• - Rhino (.3dm) – Provided for Rhino users

Model Info
• - All files are checked and tested for integrity and correct content
• - Geometry uses real-world scale; model resolution varies depending on the product (high or low poly)
• - Scene setup and mesh structure may vary depending on model complexity
• - Rendered using Luxion KeyShot
• - Affordable price with professional detailing

Buy with confidence. Quality and compatibility guaranteed.
If you have any questions about the file formats, feel free to send us a message — we're happy to assist you!

Sincerely,
SURF3D
Trusted source for professional and affordable 3D models.

More Information About 3D Model :
The industrial-grade Power Assist Motor Hand Truck Dolly represents a significant advancement in logistical mobility and ergonomic equipment design. This specialized stair climber trolley is engineered to facilitate the safe and efficient transport of heavy cargo across varied terrains and vertical elevations. At its core, the device features a high-torque electric motor driven by a rechargeable lithium-ion battery system, providing consistent power output for challenging inclines. The innovative wheel configuration typically employs a tri-wheel rotating assembly or a motorized continuous track system, specifically designed to grip stair treads securely while maintaining load balance. Constructed from lightweight yet high-strength aluminum or reinforced steel alloys, the frame ensures maximum durability without compromising portability. The control interface, integrated directly into the ergonomic handle assembly, offers variable speed regulation and intuitive braking functions for both ascent and descent operations. This motorized solution is essential for professional movers, delivery personnel, and warehouse staff tasked with transporting appliances, furniture, or heavy crates in multi-level environments. By leveraging automated mechanical assistance, the unit reduces physical fatigue and the risk of musculoskeletal injuries, thereby optimizing throughput and safety in modern material handling workflows.

KEYWORDS: motorized, dolly, stair, climber, trolley, cart, logistics, industrial, electric, transport, warehouse, delivery, appliance, ergonomic, lifting, loading, material, handling, battery, mechanical