traction engine 
noun
A steam or diesel-powered road vehicle used (especially formerly) for pulling very heavy loads.But local industries saw the benefit of using a steam wagon, which was smaller and lighter than a traction engine towing a trailer....
- A huge boiler drawn on a traction engine passed through Skipton on its way to Slingsby's Mill in Gargrave.
- Thirteen teams will be operating thirteen historic threshing mills and a historic steam traction engine will drive each mill.
- if the cap fits, wear it (if the shoe fits, wear it)
- if the mountain won't come to Muhammad, Muhammad must go to the mountain
- if there ever was
- if the shoe fits, wear it
- if the worst comes to the worst
- if truth be told
- IFV
- if wishes were horses, beggars would ride
- if you ask me
- if you can't beat them, join them
- if you can't stand the heat, get out of the kitchen
- if you know (or see) what I mean
- if you like
- (if you'll) excuse (or pardon) my French
- if you'll pardon the expression
- if you please
- if you will
- Ig
- Igbo
- I give you ——
- Iglesias, Julio
- igloo
- ign.
- Ignatius Loyola, St
- igneous