John Deere Z994R Diesel ZTrak™ Zero-Turn Mower

The Z994R is a diesel zero-turn mower with classic Z900 features, like the 7-Iron™ PRO deck, cross-porting transmission, and compatibility with Michelin® X® Tweel® Turf airless radial tires.

  • 24.7 hp (18.4 kW) liquid-cooled diesel engine
  • ComfortGlide™ Suspension on all seat options
  • 11.5 U.S. gallon fuel tank (43.5 L)
  • 7-Iron PRO Deck available in 54-in. (137-cm), 60-in. (152-cm), 60-in. (152-cm) MOD, and 72-in. (183-cm)
Key Specs:
Engine Manufacturer/model 3TNV80F
Engine Power Gross at 3,200 rpm, PS: 24.7 hp
18.4 kW
Fuel tank capacity 11.5 U.S. gal.
43.5 L
Mower deck Size Side discharge, 54 in.
137 cm
Side discharge, 60 in.
152 cm
Side discharge, Mulch On Demand™, 60 in.
Side discharge, 72 in.
183 cm
Blade tip speed Approximately 16,000 fpm
4,877 m/min
Transmission Dual hydrostatic wheel drive TuffTorq™ heavy-duty ground drive with cross porting for improved cooling
Speed range 0-11.4 mph
0-18.3 km/h
Drive wheels 24x12.00-12 4-ply turf, optional 24x12-12 Michelin Tweel™ turf tires
Caster wheels 13x5.0-6 flat free
Warranty 36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months.
Engine:
Manufacturer/Model 3TNV80F
Power Gross at 3,200 rpm, PS: 24.7 hp
18.4 kW
Displacement 77.3 cu in.
1.27 L
Cylinders Three
Crankcase capacity 3.6 U.S. qt
3.4 L
Oil filter Full flow, replaceable, spin-on type
Lubrication Full pressure
Cooling Liquid
Air cleaner Pre-cleaner
Yes
Heavy-duty canister, dry type with safety element and air-restriction indicator
Fuel system:
Fuel type Diesel or Biodiesel (up to B20)
Fuel tank capacity 11.5 U.S. gal.
43.5 L
Fuel tank switch/shut-off valve Yes
Electrical system:
Charge system 75 amp
Battery voltage 12 V
Cold cranking amp At 18 degrees C, 600 amp
Hour meter Digital multi-function display
Operator presence starting system Standard
Drivetrain:
Transmission Dual hydrostatic wheel drive TuffTorq heavy-duty ground drive with cross porting for improved cooling
Travel speed Speed range
0-11.4 mph
0-18.3 km/h
Forward
0-11.4 mph
0-18.3 km/h
Reverse
0-4.5 mph
0-7.2 km/h
Speed and direction control Zero turn
Hydraulic capacity 5.9 U.S. gal.
5.6 L
Hydraulic oil cooler Fins and fan
Filter Internal, replaceable
Buyer's note:
Warranty 36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months.
Tires:
Drive wheels 24x12.00-12 4-ply turf, optional 24x12N12 Michelin Tweel turf tires
Rear tires 24x12.00-12 4-ply turf, optional 24x12N12 Michelin Tweel turf tires
Load rating 4PR
Brakes:
Dynamic braking Twin motion control levers
Park brake Internal wet disk integrated in the transmission
Park brake actuation Foot brake engagement also brings steering levers to the neutral position
PTO:
Type Electric clutch
Drive V-belt
Mower decks:
Size Side discharge, 54 in.
137 cm
Side discharge, 60 in.
152 cm
Side discharge, Mulch On Demand, 60 in.
Side discharge, 72 in.
183 cm
Deck construction One-piece stamped steel with reinforcements
Deck thickness 7 gauge
0.18 in.
4.6 mm
Discharge Side-discharge, Side-discharge, Mulch On Demand
Height-of-cut range Increments
0.25 in.
0.64 cm
1-5.5 in.
2.54-14 cm
Cutting width 54, 60, 72 in.
137, 152, 183 cm
Blades:
Length Varies by deck size
Thickness 0.25 in.
0.64 cm
Blade tip speed Approximately 16,000 fpm
4,877 m/min
Number Three
Wheels:
Caster wheel type Flat free
Caster wheels 13x5.0-6
Front anti-scalp rollers LH, RH, Center
Rear anti-scalp rollers Standard
Dimensions:
Length 88.6 in.
225 cm
Width With 54-in. side-discharge mower 68 in.
172.7 cm
With 60-in. side-discharge mower 74 in.
188 cm
With 60-in. Mulch On Demand side-discharge mower 74 in.
With 72-in. side-discharge mower 86 in.
218.4 cm
Height With ROPS up 73 in.
185 cm
With ROPS down 47 in.
119 cm
Weight 54-in. side discharge 1,660 lb
753 kg
60-in. side discharge 1,700 lb
771 kg
60-in. Mulch On Demand 1,720 lb
780 kg
72-in. side discharge 1,760 lb
798 kg
Additional information:
Date collected 9-Aug-2019
Video: 
2540TC