John Deere — Changing Engine Oil and Replacing Filter
Maintenance · Engine oil system
From a John Deere owner's manual covering: 4045TF120, 6068HF158, 6068TF120, 6068TF250. Check it applies to your exact model before use.
Applies to: John Deere 4045TF120, John Deere 6068TF120, John Deere 6068TF250
Parts for this job
- GM32809 Oil filter Amazon Amazon Amazon Amazon eBay $26.25 NAPA $28.76
Part numbers from the service-parts list for John Deere 6068TF250. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Run engine approximately 5 minutes to warm up oil. Shut engine off.
- Remove oil pan drain plug.
- Drain crankcase oil from engine while warm.
- Turn filter element counterclockwise using a suitable filter wrench to remove. Discard oil filter element.
- Remove oil filter packing and clean filter mounting pad.
- Oil new packing and install new filter element. Hand tighten approximately 3/4 — 1-1/4 turn after packing contacts housing.
- Install oil pan drain plug with O-ring or copper washer.
- Tighten drain plug to specifications.
- Fill engine crankcase with correct John Deere engine oil through rocker arm cover or side filler.
- 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. Oil level should be within crosshatch of dipstick.
Tools required
- Filter wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Oil Pan Drain Plug With Copper Washer—Torque 70 N·m (52 lb ft)
- Oil Pan Drain Plug With O-Ring—Torque 50 N·m (37 lb ft)
Full service-parts list: John Deere 6068TF250 →
Source: John Deere owner'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.