Wheel 18mm D. x 14mm with Black Tire 30.4 x 14 (30285 / 30391) : Part 30285c01 | BrickLink
Tire 30.4 x 14 Offset Tread : Part 30391 | BrickLink
Wheel 11mm D. x 12mm, Hole Round for Wheels Holder Pin with Black Tire 21mm D. x 12mm - Offset Tread Small Wide (6014a / 6015) : Part 6014ac01 | BrickLink