| It purrs when it's cared for | 32 |
| It might be found in a stall | 28 |
| It may purr or roar | 19 |
| It may be gas-burning or hybrid | 31 |
| It goes in front of a coal tender | 33 |
| It could stall | 14 |
| Heart of a car | 14 |
| Head of a train | 15 |
| Firehouse vehicle | 17 |
| Firefighter's vehicle | 25 |
| Fire or jet | 11 |
| Energy converter | 16 |
| Dragster's pride | 20 |
| Donkey or fire follower | 23 |
| Diesel invention | 16 |
| Daimler invention | 17 |
| Casey Jones' spot | 21 |
| Car puller | 10 |
| Car motor | 9 |
| Battering ram or catapult | 25 |
| Auto's heart | 16 |
| Train driver | 12 |
| Scotty's position | 21 |
| Casey Jones, for one | 20 |
| Casey Jones, e.g. | 17 |
| Technical planner | 17 |
| Conductor's coworker | 24 |
| Casey Jones | 11 |
| Arrange with some effort | 24 |
| Tech-school grad | 16 |
| Tech graduate | 13 |
| Seabee man | 10 |
| One tooting a horn | 18 |
| One may be civil | 16 |
| MIT athlete | 11 |
| Manipulate events | 17 |
| Locomotive driver | 17 |
| Iron-horse driver | 17 |
| High-tech type | 14 |
| Georgia Tech grad | 17 |
| Driver who's on track? | 26 |
| Conductor's co-worker | 25 |
| Bring about with some effort | 28 |
| Amtrak employee | 15 |
| They go to blazes | 17 |
| Energy converters | 17 |
| Locomotives | 11 |
| Driving forces | 14 |
| They might backfire | 19 |
| Ramjets, e.g. | 13 |
| Motors | 6 |
| Gas guzzlers | 12 |
| What the Unsers start | 21 |
| What cowlings cover | 19 |
| Turbojet and others | 19 |
| Train pullers | 13 |
| Train leaders | 13 |
| Things to rev | 13 |
| They're under hoods | 23 |
| They sometimes purr | 19 |
| They get started | 16 |
| Some roarers | 12 |
| Some have fans | 14 |
| Snow Patrol song to rev you up? | 31 |
| Jet units | 9 |
| Iron horses | 11 |
| Google and the like | 19 |
| Gearhead's objects | 22 |
| Firehouse vehicles | 18 |
| Firefighters | 12 |
| Fire trucks | 11 |
| Fan sites | 9 |
| Donkeys on shipboard | 20 |
| Donkey and diesel | 17 |
| Diesels | 7 |
| Diesel and Wankel | 17 |
| Diesel and steam | 16 |
| "Gentlemen, start your ___" | 37 |
| "Gentlemen, start your ___!" | 38 |
| Canadian motherland | 19 |
| Harry Potter's country | 26 |
| Oxford setting | 14 |
| Chunnel land | 12 |
| "Oh, to be in _____": Browning | 40 |
| Where Sabbath is from | 21 |
| Where Boxing Day is celebrated | 30 |
| Where Birmingham is | 19 |
| Site of the Norman Conquest | 27 |
| Rupert Brooke's home | 24 |
| Princely domain | 15 |
| Member of our country club (1966) | 33 |
| Its highest point is Scafell Pike | 33 |
| Hundred Years' War participant | 34 |
| Home to Halley and Huxley | 25 |
| Elizabeth's home | 20 |
| Cornwall sits there | 19 |
| Church of ___ | 13 |
| Albion | 6 |
| "____ Swings" (1965 Roger Miller hit) | 47 |
| Woodwind instrument | 19 |