2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 188Get this manual
10-8 TRANSMISSION Specifications
Item Transmission Oil Type Viscosity Capacity: Oil Level Transmission and Shift Mechanism Shift Arm Pin Diameter Shifter Block Inside Diameter Shifter Block Outside Diameter Shifter Groove Width Drive Chain 20-Link Length HiLow Gears And Shift Mechanism Shifter Block Outside Diameter Shifter Groove Width 2WD4WD Shift Mechanism Shifter Block Outside Diameter Shifter Groove Width Differential Gears And Shift Mechanism Shift Arm Pin Diameter Shifter Groove Width Standard API "GL-5" Hypoid gear oil SAE 90: above 5C (41F) SAE 80: below 5C (41F) 2.5 (2.6 US qt) Between and lines on dipstick Service Limit