________________________________________________________________________________

John Deere Z997R Zero Turn Mower Specs

John Deere Z997R Engine

Engine Model ................ Yanmar 3TNV88C
Engine Type ................ 4-cycle three-cylinder direct injection liquid-cooled diesel
Number of Cylinders ................ 3
Engine Bore, in (mm) ................ 3.47 (88.0)
Engine Stroke, in (mm) ................ 3.54 (90.0)
Displacement, cu.in (L) ................ 100.2 (1.642)
Aspiration ................ Naturally aspirated
Rated Engine Power, hp (kW) ................ 37.4 (27.9)
Rated Engine Speed, rpm ................ 2600
Idle Speed, rpm ................ 1000-2700
Compression Ratio ................ 19.1:1
Firing Order ................ 1-3-2
Direction of Rotation ................ Counterclockwise (flywheel side)
Fuel System ................ Direct injection
Fuel Injection Pump ................ Mechanical, in-line type
Fuel Filter ................ Single element
Air Cleaner ................ Dual dry element
Lubricating System ................ Forced lubrication with trochoid pump
Oil Filter ................ Spin on type
Cooling System ................ Liquid-cooled with radiator
Intake Valve Clearance, in (mm) ................ 0.006-0.010 (0.15-0.25)
Exhaust Valve Clearance, in (mm) ................ 0.006-0.010 (0.15-0.25)
Fuel Tank Capacity, gal (L) ................ 11.5 (43.5)
Engine Oil capacity, qts (L) ................ 4.5 (4.3)
Coolant Capacity, qts (L) ................ 5.6 (5.3)

Electrical System

Electrical System Rating, Volts ................ 12
Charging System ................ Alternator
Alternator Rating, Amps ................ 75
Starting System ................ Electric starter

Power Take Off

PTO Operational Type ................ Independent
PTO Clutch ................ Electric
PTO Drive Type ................ Belt-driven

John Deere Z997R Transmission

Transmission Model ................ Kanzaki
Transmission Type ................ Hydrostatic
Number of Forward Gears ................ Infinite
Number of Reverse Gears ................ Infinite
Oil Capacity, qts (L) ................ 12.8 (12.1)
Maximum Forward Speed, mph (kph) ................ 11.5 (18.5)
Maximum Reverse Speed, mph (kph) ................ 5.0 (8.0)

Wheels and Tires

Drive Wheels ................ 2WD 4x2
Steering Configuration ................ Front steer
Steering System ................ Power
Brakes Type ................ Wet disc
Front Tire Size ................ 13x6.50-6
Rear Tire Size ................ 26x12.00-12

Dimensions and Weight

Overall Length, in (mm) ................ 86 (2180)
Overall Heigth (ROPS Up), in (mm) ................ 85 (2155)
Overall Heigth (ROPS Folded), in (mm) ................ 48 (1215)
Weight, lb (kg) ................ 1840 (835)

Mower Deck

Mower Deck Type ................ Mid-mount, right-discharge
Cutting Width, in (mm) ................ 60 (1520)
Overall Width, in (mm) ................ 74 (1870)
Cutting Height, in (mm) ................ 1.0-5.5 (25-138)
Number of Blades ................ 3
Blade Engagement ................ Electric
Lift System ................ Mechanical

Mower Deck Type ................ Mid-mount, right-discharge
Cutting Width, in (mm) ................ 72 (1825)
Overall Width, in (mm) ................ 86 (2175)
Cutting Height, in (mm) ................ 1.0-5.5 (25-138)
Number of Blades ................ 3
Blade Engagement ................ Electric
Lift System ................ Mechanical