s219
Super Member
- Joined
 - Dec 7, 2011
 
- Messages
 - 8,607
 
- Location
 - Virginia USA
 
- Tractor
 - Kubota L3200, Deere X380, Kubota RTV-X
 
Take the first two numbers and multiply by 10 to get the capacity in KG, so it would be 520KG (1146 lb).  I believe the "4" indicates the 4th revision.  The new loader is the LA525, same capacity but the 5th revision.