This is a replacement cover for our 10-15 Ton Model Swing Arm Machines. It's bolted to the rear of the machine in order to restrict access to the oil reservoir. 

Specifications: 

• Plate dimensions: 9.4" x 9"
  
• Plate Material: Plastic
• Bolt Holes: .54" 
  
• Bolt Pattern (see drawing): 
  • 3.75" center-to-center (Top 3-bolt side)
  • 2.3" center-to-center (4-bolt side)
  • 3.5" center-to-center (Side 3-bolt side)