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John Deere Z997 31-hp Diesel

The John Deere Z997 ZTrak Diesel is equipped with a 31-hp diesel engine and available with a 60-in or 72-in deck with side or rear discharge.

Features and Benefits:

  • The John Deere Z997 ZTrak Diesel is equipped with a 31-hp diesel engine and available with a 60-in or 72-in deck with side or rear discharge.


  • MODEL Z997 Diesel

Hydrostatic System

  • Exclusive single-body dual-unitized Kanzaki pump for greater reliability
  • Closed Loop system eliminates cross contamination possibility
  • 3.2-gallon (U.S.) reservoir allows a longer "dwell time" - enabling system to run cooler

Oil Cooler

  • Standard oil cooler for longer component life

Mower Decks

  • Shaft-driven mower deck for reliable power transfer
  • Full floating deck follows ground contours, providing the best groomed appearance
  • Hydraulic clutch enables smooth mower deck engagement for longer life and durability
  • 60- and 72-inch 7-Iron II™ decks provide a powerful vacuuming action to lift the grass and handle more material
  • 60-inch, 7-gauge rear-discharge deck decreases thrown object potential and provides two-sided trim capability

Deck Height Adjustment

  • Innovative, low effort dial height-of-cut adjustment with foot assist deck lift system
  • Fifteen height-of-cut positions from 1.5 inches to 5 inches in 1/4 inch increments


  • Ribbed cast aluminum spindle housings provide strength and cooling surface area that stands up to commercial applications
  • Three 25mm spindles are cold-forged and heat treated for added strength
  • Spindles are supported by precision ball bearings, providing enduring performance and reliability
  • Spindles can be greased from the top of the mower deck

Heavy-Duty Canister Style Air Cleaner

  • Standard heavy-duty canister air filtration system improves engine life

Deluxe Comfort Seat

  • One-piece, high-back, deep-cushioned seat with standard armrests
  • Up to 5-inches fore-and-aft adjustment to match operator size

Two-Lever Hydrostatic Drive Controls

  • Zero-turning radius for excellent maneuverability
  • Dual-lever, hydraulically dampened operator controls provide a smooth ride
  • Ergonomically designed for rider comfort during extended operations

Large Fuel Capacity

  • 12 gallon (U.S.) total capacity - allows for all-day mowing
  • Standard fuel gauge
  • Top-draw tank for added safety


  • Flip-up seat for easy access to the hydraulic system
  • Open engine compartment and removable hood for full access to engine components
  • Flip-out foot panel for easy access to deck spindles


  • Foldable ROPS certified to OSHA 1428.5 and SAE J1194 & J2194
  • Fully enclosed engine compartment to reduce overall engine noise
  • Bilingual (English and Spanish) safety decals and operational safety video
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