TGB11 				TGB13 			C304/4x4/pickup			C306/firefighter
				front		rear		front		rear		front		rear		front		rear

Number of leafs:		7		8		7		3		7		9		8		4

1st centimeter spring travel: 	560		640		560		1040
(N/mm)

Max load, 150mm negative arch: 	5900		7000				12700	
(N)				(+/- 300)	(+/- 350)			(+/- 










				Number		Length 		Thickness	Force needed for	Force needed  
				  of		  of		 of each	 1st centimeter 	   for
				 Leafs		 Leaf		  Leaf		of spring travel	flat spring

TGB11
Front				7		1300		7	
Rear				8	


TGB1111
Front				7
Rear				8


TGB13				
Front				7-8
Rear (tandem/parabolic)		3		1320		6.5-13	


TGB13xx
Front 
Rear


TGB20
Front
Rear


C304/4x4 (MWB pickup & semi-softtop) 			
Front				7
Rear				9


C306/firefighter




Known aftermarket samples: 11 leaf rear (rescue C303)