Pump: https://amzn.to/2OqfxKz
In this video I show how you can add fluid to your tires without a pump as well as how to use a small pump to speed things up even more. I used windshield washer fluid as it is cheap does not corrode the rim and does not freeze until -20 deg. You add ballast to your tires to offset front end loader weight also to provide better stability on hills and rough terrain