Historical clue formulations

• Wheel assembly component — 2026-05-13
• Rod in a hot rod — 2025-09-14
• Shaft on which a wheel turns — 2025-09-01
• Place to put a pin — 2025-07-18
• Rod between wheels — 2025-04-08
• Wheel rotator — 2024-07-01
• Revolutionary car part — 2024-04-24
• Rod in a hot rod — 2023-11-22
• Low bar — 2023-06-24
• Part of a drivetrain — 2022-07-05
• Rod through two wheels — 2022-05-23
• Rod between wheels — 2022-04-19
• Toll unit, at times — 2022-02-18
• It's in heavy rotation on the highway — 2021-09-29
• Part of a drivetrain — 2021-05-09
• One of several on a tractor-trailer — 2021-03-01
• Turning point — 2021-02-25
• What a wheel connects to — 2021-02-22
• Connector of a pair of wheels — 2020-08-24
• It keeps the wheels turning — 2020-07-14
• Spinning part of a car — 2020-06-01
• One of three on a semi — 2019-11-12
• Toll unit — 2019-10-04
• It gets the wheels turning — 2019-05-29
• One of a pair on a car — 2018-07-24
• Automobile rod — 2017-08-14
• What car wheels turn on — 2017-03-27
• Wagon part — 2017-02-28
• One of several on a big rig — 2016-05-17
• Rotating car part — 2016-04-25
• Greased auto part — 2016-03-15
• Weigh station unit — 2016-01-31
• Hot rod's rod — 2015-12-20
• What a wheel rotates on — 2015-12-07
• One spinning its wheels? — 2015-11-08
• Drivetrain part — 2015-08-23
• ___ grease — 2014-07-02
• Wheel connector — 2014-02-25
• Wheel turner — 2013-11-04
• Low bar — 2013-05-02
• Linchpin locale — 2013-02-22
• What a drivetrain connects to — 2012-08-29
• Turning point — 2012-08-09
• Revolutionary device? — 2012-03-25
• Wheelset piece — 2012-03-03
• Wheel turner — 2012-01-30
• Wheels' connector — 2012-01-24
• Turning point — 2011-05-26
• Running gear component — 2010-08-28
• It spins its wheels — 2010-04-03