John Deere — Change Engine Oil and Filter
Maintenance · Engine lubrication system
From a John Deere operator's manual covering: 4039, 4045, 6059, 6068, RG4697. Check it applies to your exact model before use.
Applies to: John Deere 4039, John Deere 4045, John Deere 6059, John Deere 6068
Before you start
- Immediately after completing any oil change, crank engine for 30 seconds without permitting engine to start
- Do not overfill; keep oil level within crosshatch pattern or at FULL mark
Procedure
- Run engine approximately 5 minutes to warm up oil. Shut engine off.
- Drain oil while warm.
- Remove plug and drain oil from engine crankcase.
- Remove and discard oil filter element.
- Remove oil filter packing and clean filter mounting pad.
- Oil new packing and install new filter element. Hand tighten according to values printed on filter element.
- Install drain plug with a new seal when equipped.
- Fill engine crankcase with correct John Deere engine oil.
- Crank engine for 30 seconds without permitting engine to start.
- Start engine and run to check for possible leaks.
- Stop engine and check oil level after 10 minutes.
Specs & values
- Crankcase oil fill quantity per engine option code (see Specifications)
- Tighten filter element approximately one turn after packing contacts filter housing if no value printed; do not overtighten
Full service-parts list: John Deere 4039 →, John Deere 4045 →, John Deere 6068 →
Source: John Deere operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.