Twist, Lock and Done. The oil change has been revolutionized with the John Deere Easy Change™ 30-Second Oil Change System. Now you can change your oil in 30 seconds. This new system features increased oil capacity, improved filter media, and increased filtering capacity to help ensure long engine life. Never drain your oil again with the John Deere Easy Change™ 30-Second Oil Change System. John Deere recommends the Easy Change™ 30-second Oil change system every 50 hours or at the end of your mowing season.