	 c o m m e n t   (   F o r   c a r s   e q u i p e d   w i t h   c u s h i o n e d   d r a w b a r   t y p e   c o u p l e r s   i e :   C e n t e r b e a m   f l a t s ,   b u l k h e a d   f l a t s   )   
 
 	 c o m m e n t   (   n e w e r   b o x c a r s ,   n e w e r   f l a t s ,   c a b o o s e s ,   a n d   o t h e r   c o m m o n   c a r s   w e r e   f r e i g h t   d u r a b i l i t y   i s   a n   ) 
 
 	 c o m m e n t   (   i s s u e .   N o t e :   U s e   M S T S   B i n   L o n g   C u s h i o n e d   c o u p l e r   f o r   A u t o r a c k s   ) 
 
 	 C o u p l i n g   ( 
 
 	 	 T y p e   (   A u t o m a t i c   ) 
 
 	 	 S p r i n g   ( 
 
 	 	 	 S t i f f n e s s   (   8 e 2 N / m   4 . 5 e 6 N / m   ) 
 
 	 	 	 D a m p i n g   (   2 e 6 N / m / s   2 e 6 N / m / s   ) 
 
 	 	 	 B r e a k   (   5 . 1 e 7 N   5 . 1 e 7 N   ) 
 
 	 	 	 r 0   (   1 2 c m   1 2 c m   ) 
 
 	 	 ) 
 
 	 	 C o m m e n t   (   C o u p l i n g H a s R i g i d C o n n e c t i o n   (   1   )   ) 
 
 	 	 V e l o c i t y   (   0 . 2 m / s   ) 
 
 	 ) 
 
 	 C o u p l i n g   ( 
 
 	 	 T y p e   (   A u t o m a t i c   ) 
 
 	 	 S p r i n g   ( 
 
 	 	 	 S t i f f n e s s   (   8 e 2 N / m   4 . 5 e 6 N / m   ) 
 
 	 	 	 D a m p i n g   (   2 e 6 N / m / s   2 e 6 N / m / s   ) 
 
 	 	 	 B r e a k   (   5 . 1 e 7 N   5 . 1 e 7 N   ) 
 
 	 	 	 r 0   (   1 2 c m   1 2 c m   ) 
 
 	 	 ) 
 
 	 	 C o u p l i n g H a s R i g i d C o n n e c t i o n   (   1   ) 
 
 	 	 V e l o c i t y   (   - 0 . 2 m / s   ) 
 
 	 ) 
 
 	 B u f f e r s   ( 
 
 	 	 S p r i n g   ( 
 
 	 	 	 S t i f f n e s s   (   1 e 6 N / m   5 e 6 N / m   ) 
 
 	 	 	 D a m p i n g   (   1 e 6 N / m / s   1 e 6 N / m / s   ) 
 
 	 	 	 r 0   (   0 m   1 e 9   ) 
 
 	 	 ) 
 
 	 	 C e n t r e   (   0 . 5   ) 
 
 	 	 R a d i u s   (   1   ) 
 
 	 	 A n g l e   (   0 . 5 d e g   ) 
 
 	 ) 