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John Deere S140 Lawn Tractor Parts and Maintenance Guide

John Deere S140 Lawn Tractor

Parts and Maintenance Information

Parts Identification

The following diagrams illustrate key parts of the John Deere S140 Lawn Tractor. Refer to the table below for detailed descriptions, part numbers, and Lowe's item numbers.

Diagram Elements:

  • 1. Illustration of a 48-inch mower blade (3-pack).
  • 2. Illustration of a 48-inch mower deck belt.
  • 3. Illustration of an oil filter.
  • 4. Illustration representing oil (e.g., a container).
  • 5. Illustration of a fuel filter.
  • 6. Illustration of an air filter.
  • 7. Illustration of a mulch cover.
Key Description Part Number Lowe's Item #
1. 48-inch Mower Blade (3-pack) GY20852 228461
2. 48-inch Mower Deck Belt GX21833 228875
3. Oil Filter GY20577 228877
4. Oil TY22029 48763
5. Fuel Filter GY20709 228878
6. Air Filter GY21435 336262
7. Mulch Cover GY20417 317781

Service Intervals

Regular maintenance is crucial for the longevity and performance of your John Deere S140 Lawn Tractor. The following table outlines recommended service intervals.

Service Interval Tasks
After 8 Hours
  • Lubricate mower spindles and pivot points.
  • Check mower deck spindle brakes (Manual PTO).
  • Lubricate front axle pivot and axle spindles.
  • Lubricate front axle wheel bushings.
Every 25 Hours
  • Lubricate mower spindles and pivot points.
  • Lubricate front axle pivot and axle spindles.
  • Lubricate front axle wheel bushings.
Yearly or Every 50 Hours (Whichever Comes First)
  • Change engine oil & replace filter. (Service more frequently under dusty conditions.)
  • Clean/replace air filter precleaner & element. (Service more frequently under dusty conditions.)
  • Replace fuel filter.
  • Sharpen/replace mower blades.
  • Check/replace mower drive belt.
Every 200 Hours
  • Check/adjust valve clearance. See your John Deere dealer for this service.

For complete parts information for 100 Series Tractors, visit your local John Deere Dealer or www.Deere.com.

*Refer to Operators Manual for a complete listing of service intervals.

Models: S140, 22HP 48 Inch 724cc Lawn Tractor

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