WHEELED VEHICLES 



189 



sets of wheels can turn independently, thus reducing the resist- 

 ance. All wheels are of the same diameter, varying in different 

 vehicles from 32 to 36 inches in height. 



The log bunks, with adjustable blocks, are supported midway 

 between the wheels of each truck and project slightly above the 

 wheels. A short reach is attached to the forward and rear 

 trucks by flexible joints. 



Eight-wheelers have an estimated capacity, on good roads, 

 of from 9000 to 20,000 pounds weight. They weigh from 1200 

 to 1800 pounds. 



Fig. 49. — An Eight-wlKJclcd Lug Wagon wiih a Luad of Yellow Pine 

 Louisiana. 



The price of one type of 8-wheeled wagon ranges from $125 

 to $140, the variation covering differences in size of axles and 

 tires. 



Wagon Equipment. — The equipment used with log wagons 

 on southern pine operations is as follows : 



I cant hook. 



I five-sixteenth-inch chain, 20 feet long, the ends of which are bolted to the 

 bunks of the forward and rear trucks. 



1 one-half-inch chain, 12 feet long, with a grab hook on one end and a loading 

 hook on the other. This chain and the one above form the cross-haul used 

 in loading. 



2 hardwood skids about 9 feet long and 4 inches in diameter. 

 I hickory binding pole. 



