Quick answer:
The John Deere 6115D tractor primary engine air filter part number found is RE261960. Filter dimensions found include Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm. Service guidance is to replace the air filter every 500 hours.
Primary air filterRE261960
Filter height12.5 in / 318 mm
Engine power115 hp
Service intervalReplace every 500 hours
John Deere 6115D Air Filter Specs
| Primary air filter part number | RE261960 |
|---|---|
| Air filter size | Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm |
| Filter height | 12.5 in / 318 mm |
| Outer diameter | 8.5 in / 216 mm |
| Inner diameter | 4.5 in / 114 mm |
| Replacement interval | Replace every 500 hours |
| Number of air filter elements | 1 element (primary) |
| Engine horsepower | 115 hp |
| Engine displacement | 274.6 cu in (4.5 L) |
John Deere 6115D Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
Air filter service interval
John Deere 6115D Air Filter FAQ
| What air filter does the John Deere 6115D use? | The primary engine air filter part number found for the John Deere 6115D is RE261960. |
|---|---|
| What size is the John Deere 6115D air filter? | The air filter dimensions found for the John Deere 6115D are Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How often should the John Deere 6115D air filter be checked or replaced? | The service guidance found for the John Deere 6115D is to replace the air filter every 500 hours. That is longer than the reference average of 200 hours for this class, so still shorten the interval when the machine is used in heavy dust. |
| How many air filter elements are listed for the John Deere 6115D? | This page confirms 1 element (primary). No separate safety or pre-filter part number was found for this model, so inspect the actual air-cleaner housing before assuming it uses only one piece. |
| Why include engine specs on a John Deere 6115D air filter page? | For the John Deere 6115D, the engine specs found are 115 hp, 274.6 cu in (4.5 L). This is useful context when comparing similar models, but not a substitute for checking the filter number RE261960. |
| Should I order the John Deere 6115D air filter by size or part number? | For the John Deere 6115D, use RE261960 as the main buying number and use the dimensions value of Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm only as a secondary fit check. |
| What should I confirm before buying a John Deere 6115D air filter? | For the John Deere 6115D, confirm RE261960 against John Deere parts information and use the listed dimensions of Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm as a physical check. |
Official information note
Air filter fit can change by engine, serial number, production year and air-cleaner housing. Check the operator manual, parts manual and official deere.com website before buying or fitting an air filter.

