Got Oil? Quick Reference Kohler
14RESA/14RCA: Check oil every 8 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low.
20RESC/20RCA: Check oil every 8 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low
24RCL: Check oil every 24 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low.
30RCL: Check oil every 24 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low.
38RCLB: Check oil every 24 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low.
48RCLB Chck oil every 24 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low.
60RCLA: Check oil every 24 hours of run time. 5W-30 or 10W-30 synthetic oil when oil level is low.