Configurable - IG42-DB4, 4WD All Terrain Heavy Duty Robot Platform
Intelligent UGV Four-wheeled Drive Robot Chassis Platform for Education ROS System from China manufacturer - Guoxing
4 & 6 Wheel Robots - RobotShop
heavy load 4wd remote controller vehicle| Alibaba.com
Wheeled Mobile Robot Development Platforms - From Budget to Full-Featured • Smashing Robotics
China Custom Autonomous Mobile Platform Manufacturers, Suppliers - High Quality - RoboCT
Amazon.com: 4WD Metal Smart Car Chassis, MC100 Remote Control Omnidirectional Wheel Robot Platform Car Kit with 60mm Mecanum Wheel & DC TT Motor for Arduino/Raspberry pi/Micobit, DIY Maker Learning (Blue) : Toys