DCHP-1 Online
sled train North 
n. a tractor-drawn train of sleds and cabooses (def. 5), the principal means of transporting freight, supplies, etc. in the Canadian North in winter.
See also: caboose (def. 5) cat-train
- 1952 Logs are hauled by sled trains to the frozen rivers where they are piled to await spring break-up.
- 1963 New means were already being rapidly developed in the sled trains drawn by caterpillar tractors (the "cat swings") over winter roads, and above all in the development of "bush flying."
- 1952 Logs are hauled by sled trains to the frozen rivers where they are piled to await spring break-up.