| 
						 
							No records						 
					 | 
				
			
			| 
			2 axles		 | 
			
			tandem		 | 
			
			o o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			3 axles		 | 
			
			tri-axle		 | 
			
			o o o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			4 axles		 | 
			
			4 axles for weight distribution		 | 
			
			o o o o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			2+1 axles		 | 
			
			tandem with removable 3rd axle		 | 
			
			o o - o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			3+1 axles		 | 
			
			tri-axle with a removable 4th axle		 | 
			
			o o o - o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			3+2 axles		 | 
			
			tri-axle with a trailing tandem		 | 
			
			o o o - o o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			4+1 axles		 | 
			
			4 axles with a trailing single axle		 | 
			
			o o o o - o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			3+3 axles		 | 
			
			tri-axle with a trailing tri-axle		 | 
			
			o o o - o o o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			2+2 axles		 | 
			
			tandem with a trailing tandem		 | 
			
			o o - o o		 | 
			
			 
 		 | 
			
			
		 | 
	
			| 
			5 axles		 | 
			
			5 axles for weight distribution		 | 
			
			o o o o o		 | 
			
			 
 		 | 
			
			
		 |