2025 John Deere Z965R EFI

V-twin engine with Oil Guard™ System has electronic fuel injection (EFI) and electronic throttle control for quick starts and superior performance

Commercial-quality V-twin air-cooled engines with EFI power the ZTrak™ Mowers:

• Vanguard 61A6 33 hp (24.6 kW) gross at 3600 rpm (Z965M and Z965R)
• Vanguard 61G8 40 hp (29.8 kW) gross at 3600 rpm (Z985R)

 Engine features include:

• EFI with electronic throttle control
  • Electronically adjusts the supply of both fuel and air, responding instantaneously when the mower transitions from light to heavy mowing.
  • Unlike mechanical governors that droop under load, torque rises while maintaining constant full-throttle engine speed.
  • Productivity and cut quality are improved because the mower blades keep turning at full speed, delivering optimal cut quality and dispersion of clippings.
  • Immediate starting in hot or cold ambient temperatures or after long periods of seasonal storage
  • No choke linkage for the user to operate
  • Higher reliability with the elimination of vapor locking, misfiring, run-on, and after-bang
  • Automatic altitude compensation
  • Delivers fuel precisely for added efficiency
  • Reduces the potential for plug fouling
• V-twin design
  • Fast starts
  • Smooth operation
• Overhead valves
  • More horsepower and torque per cubic inch of displacement
  • Better fuel efficiency
• Air-cooled for minimum maintenance and maximum reliability
• Aluminum cylinder block
  • Effectively dissipates heat to extend engine life
  • Lightweight and strong construction
• Full-pressure lubrication with full-flow filter
  • Reduces engine wear by ensuring proper lubrication, even when operating on hillsides or uneven terrain
  • Filtered oil reduces risk of contamination for increased engine life for increased engine life
• Standard cleanout ports for easy access to remove debris collecting in cooling fins
• 20-amp alternator

Extra durability and mowing performance from 7-Iron™ PRO Side-Discharge decks pressed from a single piece of steel

Key features of the 7-Iron PRO mower deck:

• Deck is forged from 7-gauge, 0.179-in. (4.6-mm) steel to minimize the number of welds and provide a smooth underside with fewer sharp corners for reduced material buildup.
• Significantly fewer welds on the deck shell to wear or break - it is forged from a single sheet of steel rather than multiple fabrications. An anti-skid step on the deck provides easy machine mounting.
• Extra reliability and long life with cast-iron blade spindle housings.
• Higher blade tip speed than many competitors - approximately 18,500 fpm (5,639 m/min) for more blade cuts per inch mowed.
• A deep-deck design of 5.5 in. (14 cm) delivers excellent airflow so material can be processed quickly and efficiently.
• The wider and higher discharge opening provides even clipping dispersal for an excellent finished appearance in all conditions.
• Quick-release belt covers do not require tools or the removal of a ring clip; just lift one corner of the cover and rotate it slightly to remove.
  • A hole in the deck tab is provided for use of an optional ring clip for extra security, if desired.
  • This makes it quick and easy for you to clean out trash that may collect around the spindle sheave.

Three-year, bumper-to-bumper warranty

E AND M SERIES 3-YEAR, 1200-HOUR BUMPER-TO-BUMPER WARRANTY

An exclusive 2-year, unlimited hour/3-year, 1200-hour (whichever comes first) bumper-to-bumper warranty is standard for all John Deere E and M Series Mowers. The warranty is best in its class and places John Deere at the forefront of commercial mowing. It is also hassle free, with one company handling all of the paperwork.

NOTE: 36 months or 1200 hours, whichever comes first. For the first 24 months, there is no hour limitation.

R SERIES 3-YEAR, 1500-HOUR BUMPER-TO-BUMPER WARRANTY

An exclusive 2-year, unlimited hour/3-year, 1500-hour (whichever comes first) bumper-to-bumper warranty is standard on all John Deere R Series mowers. The warranty is best in the industry and puts John Deere at the forefront of commercial mowing. It is also hassle free, with one company handling all of the paperwork.

Heavy-duty frame provides strength and durability

The durability features of the frame are as follows:

• Heavy-duty, thick-gauge, steel channel mainframe for strength and durability

• Cast I-beam caster arms to handle the beating and pounding professional mowers receive

• Wide-open access for maintenance and cleaning

Durable, hydrostatic drivetrain including cross porting delivers better cooling and provides easy access

The hydrostatic drive features two 13-cc (0.8-cu in.) unitized hydraulic pumps combined with commercial-grade, heavy-duty wheel motors into a single unit.
One pump and one motor drive each wheel on the ZTrak™ E and M Series Mowers. This provides several benefits:

• Exceptional cooling in high-load conditions
• Easy-to-check level and refill hydraulic oil
• Opens up access under the seat

Michelin® X® Tweel® Turf airless radial tire technology for ZTrak™ Mowers eliminates downtime and reduces cost of operation

Mower is easy to service with many accessible components

The engines are easy to service, including changing the oil:

• The engine oil check/fill tube is located at the top of the engine and easy to see and reach.
• No-tools oil drain is convenient to use (Z915E, Z920M).
• A flexible oil drain tube is included to conveniently drain oil into a pan, thus eliminating oil spills (Z930M, Z950M, Z960M, Z930R, Z950R, Z970R).