| Wheel connection | 16 |
| Wheel attachment | 16 |
| Wheel assembly part | 19 |
| What a drivetrain connects to | 29 |
| Wagon-wheel attachment | 22 |
| Wagon shaft | 11 |
| Wagon rod | 9 |
| Vehicle's connecting rod | 28 |
| Undercarriage item | 18 |
| Turnpike-toll unit | 18 |
| Turbine rod | 11 |
| Truck toll unit | 15 |
| Transverse shaft | 16 |
| Toll-road toll unit | 19 |
| Toll unit, sometimes | 20 |
| Toll unit on a toll road | 24 |
| Toll road unit | 14 |
| Tire rotator | 12 |
| Target for a grease monkey | 26 |
| Tahoe bar, say | 14 |
| Supporter of some big wheels | 28 |
| Suburban bar | 12 |
| Spinner in a turbine | 20 |
| Sort of shaft | 13 |
| Shaft on a car | 14 |
| Shaft of a wheel | 16 |
| Shaft connected to a wheel | 26 |
| Shaft between the wheels | 24 |
| Shaft between hubcaps | 21 |
| Shaft above the road | 20 |
| Semi feature | 12 |
| Saturn bar | 10 |
| Running gear component | 22 |
| Rotating shaft | 14 |
| Rotating car part | 17 |
| Rolls bar | 9 |
| Roll bar? | 9 |
| Rod on a car | 12 |
| Rod between hubcaps | 19 |
| Road-rig rod | 12 |
| Rig rod | 7 |
| Revolutionary part of a car? | 28 |
| Revolutionary device? | 21 |
| Revolution enabler | 18 |
| Railroad-car feature | 20 |
| Power train target | 18 |
| Pendulum "___ Grinder" | 32 |
| Part of Bruce's "Pink Cadillac"? | 46 |
| Part of a wheelset | 18 |
| Part of a gyroscope | 19 |
| Part of a car's underpinning | 32 |
| One of five on an eighteen-wheeler | 34 |
| Oiler's target | 18 |
| Low bar | 7 |
| Live or dead follower | 21 |
| Linchpin locale | 15 |
| Limo bar? | 9 |
| Leslie Fish "Heart Like an ___" | 41 |
| Kingpin connection | 18 |
| It may turn a cartwheel | 23 |
| It may spin its wheels | 22 |
| Hub connection | 14 |
| Greasy shaft | 12 |
| Greasy bar | 10 |
| Grease gun's target | 23 |
| Drivetrain element | 18 |
| Drivetrain connection | 21 |
| Drive-train element | 19 |
| Differential gear site | 22 |
| Differential attachment | 23 |
| Device for rotating one's tires? | 36 |
| Cotter pin's place | 22 |
| Connection for some big wheels | 30 |
| Chassis shaft | 13 |
| Chassis attachment | 18 |
| Car-wheel connector | 19 |
| Car-toll unit, often | 20 |
| Car wheels' connector | 25 |
| Car bar of Bruce's "Pink Cadillac" | 48 |
| Bridge between Bridgestones | 27 |
| Bike feature | 12 |
| Bar whose end is covered by a hubcap | 36 |
| Bar under the car | 17 |
| Bar in a car | 12 |
| Aussie Whitehead | 16 |
| Assembly line add-on, perhaps | 29 |
| A semi lacks a front one | 24 |
| "Little Deuce Coop" part? | 35 |
| ____ tree: cart bar | 19 |
| ____ grease | 11 |
| ___ grease | 10 |
| It helps keep the wheels turning | 32 |
| Wheel goo | 9 |
| Universal-joint application | 27 |
| Mechanic's supply | 21 |
| Lube job supply | 15 |
| Auto-shop lubricant | 19 |
| Car parts | 9 |
| Auto parts | 10 |
| Car bars | 8 |