Chicago Pneumatic Backfill Tamper
The CP0004RV is ideal for heavier jobs

Features: 

• Maximum Power - Slow, powerful blows efficiently and quickly compact all types of backfill, including clay and soils containing high percentages of finely crushed or powdered material
• Heat-treated cylinder and chrome plated piston significantly extend tool life
• adjustable packing maintains a positive air seal
• Aluminum butt held with clamp screw for quick, easy replacement
• Exhaust deflector directs air, moisture and oil away from operator
• Integral oiler continuously lubricates tool during operation
• Well-balanced, smooth operating tool is easily guided by one person
• 1/2" NPT air inlet thread

 Specifications: 

• Valve Type: Ring 
• Bore and Stroke (in): 2-1/4 x 6 
• Blows/Min: 780 
• Net Weight (lbs): 42 
• Length (in.): 50 
• Air Cons @90psi: 28 cfm 
• Piston Rod Diameter (in): 1 
• Piston Rod Butt Size (in): 6-1/4