Here's a 1972 Ford WT-9000 pulling a load of hay bales. The picture was taken at the Kentucky State Horse Park in Lexington, Kentucky.

This 2004 Freightliner Coronado pulls an extendable flatbed with a load of precast concrete beams. The picture was taken at a Precast Concrete facility in Atlanta, Georgia.

This 2008 Kenworth T-800 pulls a set of trucks and pup dumps. The picture was taken in a quarry in Atlanta, Georgia.

Here's a 2004 Western Star 4900EX pulling a chemical trailer. The picture was taken near Watts Bar Dam in Spring City, Tennessee.

This 1972 Diamond Rio C-116 pulls a loaded steel dump trailer. The picture was taken in a gravel pit in Atlanta, Georgia

"Black Stallion" is a 2005 Peterbilt 379 EXHD pulling a custom reefer trailer. The picture was taken in Key West, Florida.

Here's a 1978 Mack R685s pulling a log loader trailer. The picture was taken in a clearance for a new subdivision in Atlanta, Georgia.

"Big Ego" is a 1964 Henderickson Prime Mover. It's pulling a rolling platform trailer. The picture was taken in a quarry in Atlanta, Georgia.