Udor GKC 21/28-GR Plunger Pump

(Replaced by CKC 21/30 GR)

5.5 gpm, 4350 psi, 23 HP Gas Engine Power Requirement

1" or 1-1/8" Hollow Shaft 2.2:1 Gear Reduction. 

**Please specify your required shaft size in the order notes at checkout, or contact our customer service team if you need assistance.**

Download Product Manual

• Max Flow: 5.5 gpm
• Max Pressure: 2900 psi
• Heavy Duty Brass Manifold with External and Internal Bracing
• Heavy Duty Bronze or Aluminum Connecting Rods
• Large Diameter Brass or Stainless Steel Valve Caps with Increased Thread Depth
• Reinforcing Ring on Inlet and Discharge Ports
• Stainless Steel Piston Guides and Check Valves
• Heat Treated Crank Shaft
• Industrial Quality Tapered Roller Bearings
• Deeper Back Cover for Increased Oil Capacity
• 34.5 oz. Capacity Vented Oil Bath Crank Case
• 3/4” BSP-F Inlet, 3/8” BSP-F Outlet – Less Than 10 GPM
• 3/4” BSP-F Inlet, 1/2” BSP-F Outlet – 10 GPM and Above