Donkey, e.g. (6 letters)

{ Answer }

ENGINE

{ Related Clues }

It goes in front of a coal tender
You might give this a gun
It typically has lots of horses
Battering ram or catapult
Donkey or fire follower
V-8, e.g.
It's often described by horses
It may purr or roar
It might be found in a stall
Thing worked on in a garage
Prime mover
Caboose's opposite
Daimler invention
Heart of a car
Dragster's pride
Power source
Energy converter
Propulsion device
Plane part
Powering force
Pistons' place
Gas guzzler
Object of a tuneup
Train head
Locomotive
Jet, for one
Diesel, e.g.
Motor
Purrer
Rotary ___

{ Tags }

catapult, donkey, eg, engine, force, head, heart, horses, it, its, locomotive, may, might, motor, purr, ram, roar, train, v, worked, 8

{ Notes }

The answer ENGINE is common and appears about once every 325 puzzles.

{ Definition }

ENGINE as a noun:

1. motor that converts thermal energy to mechanical work

2. something used to achieve a purpose; "an engine of change"

3. (locomotive, engine, locomotive engine, railway locomotive) = a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks