Answer:

rigs

Answer	Crossword Clue
RIGS	"Arranges" a prize fight
RIGS	Fixes, as a fight
RIGS	Fixes election results

RIGS	Sulky and surrey
RIGS	Excavates again
RIGS	Fixes, as a vote
RIGS	Truckers' trucks
RIGS	Teamsters' wheels
RIGS	Sets of gear
RIGS	Arranges crookedly
RIGS	Truck stop sights

RIGS	Fixes, as games
RIGS	Apparatuses
RIGS	Oil apparatuses
RIGS	Fixes, as an election
RIGS	Convoy lineup
RIGS	Fixes
RIGS	Fixes dishonestly
RIGS	Tractor trailers

RIGS	Long haulers
RIGS	Fixes, in a way
RIGS	Outfits
RIGS	Eighteen-wheelers
RIGS	Fixes, as a carnival game
RIGS	Fixes, as a ball game
RIGS	Highway weigh station targets
RIGS	Big trucks

RIGS	Tampers with
RIGS	18-wheelers
RIGS	Oil-drilling structures
RIGS	Tractor-trailers
RIGS	They're in for the long haul
RIGS	Semis
RIGS	Assembles, with "up"
RIGS	Carriage-and-horse setups

RIGS	Fixes illegally
RIGS	Pre-arranges the outcome
RIGS	Fixes, so to speak
RIGS	Highway haulers
RIGS	Makes unfair