The BackLOK™ assembly retrofit kit is designed to upgrade older Miner discharge gates to automatic locking and unlocking operation. In addition to upgrading the gate to conform to AAR-S233-92 specifications, the kit provides:

• A cost-effective method to upgrade a SelfLOK® to an AutoLOK™ II
  
  
• All new operating parts
  
  
• Operation from both sides of the gate
  
  
• New handles with 1 ½" square drive opening
  
  
• Eliminates the need to manually unlock and lock the gates at unloading sites