DE · News · 20260825N

Products and Technology

DEERE & CO · 2026-08-25 · Importance 31 · Surprise 42 · In source text

John Deere is releasing software updates for construction, farm, and forestry equipment to prevent engine shutdowns caused by diesel exhaust fluid (DEF) derate faults. The updates give operators approximately 20 hours to address DEF-related issues before significant power loss, replacing the previous four-hour shutdown requirement. Deere began deploying the updates in November and expects rollout completion by the end of 2027.

Key facts

• John Deere is releasing software updates for its construction, farm, and forestry equipment to prevent engine shutoff due to DEF derate issues. source
• These updates align with new EPA guidelines, providing operators with more time (approximately 20 hours) to address DEF-related faults before the engine significantly loses power, preventing immediate shutdowns previously mandated after four hours. source
• The company began rolling out these updates in November and expects to complete them by the end of 2027. source
• Deere & Co. stock fell by 2.77% on Tuesday, closing at $630.66. source
• The stock's 2.77% decline on Tuesday broke a three-day winning streak for the company's stock. source

Impact estimates