The most popular in wheel motor size for electric wheelbarrow is 13inch, 14.5inch, 15inch, and 16inch
The kits include: DC brushless hub motor wheel, controller, electric brake handle, reverse switch, thumb throttle.
To make the complete wheelbarrow working, you also need a battery, lithium battery is ok
You can DIY garden powered wheelbarrow, motorized barrow, fishing power barrow, trolley and so on with the hub motor kits
This high torque low speed geared hub motor with off-road tire is specially for wheelbarrow and trolley running on road like grass, sand, soil, uneven road with high perfermence and good climbing capacity.