In the 1954/55 season, the winner of the  Big Six Hockey League (BSHL) entered Provincials, playing in the Intermediate 'A' semi finals. Starting with the 1954/55 season, the Big Six Champions advanced directly to the Intermediate 'A' final. The Intermediate 'A' Champs received the McDiarmid Shield.  The road out of Manitoba didn't start there however, as the Intermediate 'A' Champs played the Intermediate 'B' Champs, for the Intermediate Provincial crown and the right to advance to the CAHA Playoffs.

Brandon had finished in 1st place in the Big Six Hockey League and would meet the defending champion Dauphin Kings in the first round of the play-offs. Brandon took the first game 3-1 followed by Dauphin taking Game Two 5-3. Dauphin came from behind twice in Game three to win 3-2 and were on the verge of taking the series and advancing to the league final for the sixth straight year when the Wheaties roared back to take Game Four 4-3. In the deciding Game Five, the Wheaties were in charge from the opening puck drop, eliminating Dauphin with a 6-0 trouncing.

Brandon opened the Big Six final against Killarney with a 4-2 victory. Killarney would take Game Two 5-2 before Brandon took Games Three and Four by scores 5-2 and 4-2. In Game Five Brandon's Bob Harper notched a clutch goal with less than two minutes to play earning the Wheat Kings a 4-4 tie. In a game that featured outstanding goaltending Mac Beaton's goal at the 6:47 mark of overtime in Game Six would give the Wheat Kings the Big Six title.

Brandon would now meet Pine Falls Paper Kings for the Manitoba Intermediate 'A' Best-of-Three final. In Game One, the Paper Kings needed only 1:57 into OT to take Game One 4-3. Re-grouping, Brandon would take the next two games 4-3 and 9-3 to capture the Manitoba Intermediate 'A' title.

Taking on the Intermediate 'B' champion Pilot Mound Pilots in a Best-of-Three for the right to represent Manitoba in the CAHA Inter-Provincial playdowns, Brandon would eliminate the Pilots in two straight, 3-1 and 11-1.