STUMPERS CCXCVIII

NPR Weekend Edition Sunday Puzzle
May 19, 2019
David Chapas
Presented by Will Shortz

Think of a six-letter conveyance on wheels. Drop the first letter and add a new letter at the end to get another six-letter conveyance on wheels.

HINT:
The second conveyance is animal-powered.

Answers:

BOXCAR - OXCART