1895  (1944)  sloven, n. A low truck wagon. 1895 e. Canada N.B. N.S. Newfoundland 1934. . . .
1941  Grinding on the cobblestones behind a pair of plunging Clydesdales came one of Halifax's most typical vehicles, a low-swung dray with a high driver's box, known as a sloven.
1956  With the ebb we'll be sitting on the bottom of the harbour & the Market Slip will have so little water that slovens will be out in the center of it, loading & unloading.
1964  As evening approached the horses were hitched to a long, low wagon, known in our country as a "sloven," and the apples were hauled to the house.