Commercial Mowers 997 Diesel 60in deck

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  • 31-hp diesel engine
  • 3.2-gallon (U.S.) reservoir
  • Standard oil cooler
  • Ribbed cast aluminum spindle


Manufacturer John Deere
Model 997 w/60-in. rear discharge deck Model Year 2011
Manufacturer Yanmar
Model No. 3TNV82A
Horsepower (gross) 31 @ 3000 rpm
Displacement 81 cu in.
Cylinders 3
Crankcase Capacity 3.6 L
  3.8 qt
Oil Filter Full flow, replaceable, Spin-on type
Lubrication Full pressure
Cooling Liquid
Air Cleaner Dry-type, replaceable
Pre-Cleaner Yes
Fuel System  
Fuel Type Diesel
Fuel Consumption ---
Fuel Tank Capacity 12 U.S. gal.
Fuel Tank Switch/Shut Off Valve Yes
Electrical System  
Charge System 40 amp
Battery Voltage 12 V
Cold Cranking Amp 490 @ -18 degrees C
Hour Meter Standard
Operator Presence Starting System Standard
Drive Train  
Hydraulic Pumps Kanzaki DUP 17S
Wheel Motors Parker Ross
Travel Speed ---
Forward 0-11.5 mph
Reverse 0-5 mph
Speed and Direction Control Zero turn
Hydraulic Capacity 3.2 U.S. gal.
Hydraulic Oil Cooler Yes
Filter Spin-on Type
Drive Tires 26x12-12
Rear Tires ---
Load Rating 4pr
Dynamic Braking Dual hand controlled levers
Park Brake Caliper disc brake
Park Brake Actuation Hand lever
Type Hydraulic clutch
Drive Internal wet disk clutch
Mower Decks  
Available Widths 60 in.
Deck construction Fabricated
Deck thickness 10 gauge
Discharge 60 in.
Height-of-Cut Range 1.5-5.0 in.
Increments 0.25 in.
Cutting Width 60 in.
Length 21 in.
Thickness 0.25 in.
Tip Speed 17,500 fpm
Number 3
Caster Wheel Type Pneumatic
Caster Wheel Size 15-6-6
Front Anti-Scalp Rollers LH, RH, Center
Rear Anti-Scalp Rollers LH, RH, Center
Length 96 in.
Width 74 in.
Height ROPS up: 85 in.
Weight 1827 lb