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John Deere Z994R Diesel

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Features

7-Iron™ PRO Deck

Studio close-up of a 7-Iron™ PRO Deck

This mower is equipped with a 7-Iron PRO side-discharge deck stamped from 7-gauge steel, offering superior durability and performance. The deck design provides a high-quality cut with excellent material processing and discharge capabilities.

Fastback™ PRO Rear-Discharge Mower Deck

Top‑down view of zero‑turn mower showing the operator area with a yellow seat, control levers, perforated deck surface, and twin mower housings on either side.

The Fastback™ PRO rear-discharge system improves safety and productivity by minimizing debris throw and allowing closer mowing near obstacles. Ideal for public spaces, it ensures a tidy operation with better debris control around the operator.

ComfortGlide™ Seat System

Close-up of mower seat with green accent panels and armrests, mounted on a black equipment frame with visible seat adjustment knob, control levers, and roll bar behind.

The ComfortGlide™ seat system features adjustable suspension, allowing operators to transition more smoothly over bumps. It can adjust fore and aft, absorbing impacts for reduced operator fatigue during long hours of operation.

Specifications

Mower Decks

Mower Deck Size60-in. (152-cm) 7Iron™ PRO side-discharge; 72-in. (183-cm) 7Iron™ PRO side-discharge; 60-in. (152-cm) 7Iron™ PRO Mulch On Demand™; 60-in. (152-cm) FastBack™ PRO rear-discharge; 72-in. (183-cm) FastBack™ PRO rear-discharge
Deck Construction7-Iron™ PRO: 7-gauge, 0.179-in. (4.6-mm) one-piece forged steel; FastBack™ PRO: 7-gauge, 0.179-in. (4.6-mm) fabricated steel
DischargeSide-discharge, Mulch On Demand™, Rear-discharge
Height-Of-Cut Range1-5.5 in.
Height-Of-Cut Range2.54-14 cm
Height-Of-Cut Increments0.25 in.
Height-Of-Cut Increments0.64 cm
Cutting Width60/72 in.
Cutting Width152/183 cm

Drivetrain

TransmissionDual hydrostatic wheel drive TuffTorq heavy-duty ground drive with cross porting for improved cooling
Speed Range0-11.4 mph mph
Speed Range0-18.3 km/h km/h
Forward Speed0-11.4 mph mph
Forward Speed0-18.3 km/h km/h
Reverse Speed0-4.5 mph mph
Reverse Speed0-7.2 km/h km/h
Speed Direction And ControlZero turn
Hydraulic Capacity5.9 U.S. qt
Hydraulic Capacity5.6 L
Hydraulic Oil CoolerFins and fan
FilterInternal, replaceable

Tires

Drive Wheels24x12.00-12 4-ply turf, optional 24x12-12 Michelin Tweel turf tires
Rear Tires24x12.00-12 4-ply turf, optional 24x12-12 Michelin Tweel turf tires
Load Rating4PR

Dimensions

Length88.6 in. (225 cm)
Width - With Chute Down 74, 86 in.
Width - With Chute Down188, 218 cm
Width - Rear Discharge63.5, 75.8 in.
Width - Rear Discharge161.3, 192.5 cm
Height - With ROPS Up73 in.
Height - With ROPS Up185 cm
Height - With ROPS Down47 in.
Height - With ROPS Down119 cm
Weight1711 - 1810 lb.
Weight776 - 821 kg

Wheels

Caster Wheel TypeFlat free
Caster Wheels13x6.5-6
Front Anti-Scalp RollersLH, RH, Center
Rear Anti-Scalp RollersStandard

Brakes

Dynamic BrakingTwin motion control levers
Park BrakeInternal wet disk integrated in the transmission
Park Brake ActuationFoot brake engagement also brings steering levers to neutral

Fuel System

Fuel TypeDiesel or Biodiesel (up to B20)
Fuel Tank Capacity11.5 U.S. gal.
Fuel Tank Capacity43.5 L
Fuel Tank Switch/Shut-Off ValveYes

Engine

Engine Manufacturer/Model3TNV80F
Engine PowerGross at 3,200 rpm, PS: 24.7 hp (18.4 kW)
Displacement77.3 cu in.
Displacement1267 cc
Cylinders3
Crankcase Capacity3.6 U.S. qt
Crankcase Capacity3.4 L
Oil FilterFull flow, replaceable, spin-on type
LubricationFull pressure
CoolingLiquid
Air CleanerHeavy-duty canister, dry type with safety element and air-restriction indicator
Pre-CleanerYes

Additional Information

Date Collected03/15/2023 00:00:00

Blades

LengthVaries by deck size
Thickness0.25 in (0.64 cm)
Blade Tip SpeedSide discharge 7Iron PRO: approximately 17,000 fpm; Rear discharge FastBack PRO: 60-in.: approximately 15,300 fpm; 72-in.: approximately 17,000 fpm
Number3

PTO

TypeElectric clutch
DriveV-belt

Electrical System

Charge System75 amp
Battery Voltage12 V
Cold Cranking Amp At 18 Degrees C600 amp
Hour MeterDigital multi-function display
Operator Presence Starting SystemStandard

Operation

Rollover Protective Structure (ROPS)Yes

Buyer's note

Warranty36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months