9910-KIT1640 $303.39     

• For model 9910-D30 pumps
• 6:1 gear box
• For standard 5 hp  gas engine with 3/4" shaft
• Weight: 6.5 lbs

9910-KIT1642 $386.15     

• For Model 9910-D50, -D503, -d813 and -D1064
• 6:1 gear box
• For standard 8-18 hp gas engine with 1" shaft
• Weight: 8.5