Doosan — Change Engine Oil and Filter
Maintenance · Engine crankcase
From a Doosan owner's manual covering: G 100, G100-SIIIA, G100SIIIA, G150, G150-SIIIA, G200-SIIIA, G60, G60-SIIIA, G60SIIIA, G80, G80-SIIIA, G80SIIIA. Check it applies to your exact model before use.
Applies to: Doosan G100-SIIIA, Doosan G150-SIIIA, Doosan G200-SIIIA, Doosan G60-SIIIA, Doosan G80-SIIIA, John Deere 4045HFG81 engine, John Deere 4045HFG82 engine, John Deere 6068HFG82 engine
Before you start
- DO NOT overtighten oil filter.
Procedure
- Run engine approximately 5 minutes to warm oil; shut off.
- Open oil pan drain valve and drain crankcase oil while warm.
- Remove and discard oil filter element using a filter wrench.
- Apply clean engine oil to inner and outer seals and filter threads.
- Wipe sealing surfaces; install filter by hand until tight against dust seal.
- Close oil pan drain valve.
- Fill crankcase with correct John Deere engine oil; do not overfill.
- Start engine, check for leaks; stop and check oil level after 10 minutes.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Change oil and filter after first 100 hours, then every 500 hours maximum
Full service-parts list: Doosan G100-SIIIA →, Doosan G150-SIIIA →, Doosan G200-SIIIA →, Doosan G60-SIIIA →, Doosan G80-SIIIA →, John Deere 4045HFG81 engine →, John Deere 6068HFG82 engine →
Source: Doosan 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.