2024 John Deere R Series Zero Turn Mowers Z994R Diesel 72 in 7Iron™ PRO
- Year 2024
- Make John Deere
- Model R Series Zero Turn Mowers
2024 John Deere R Series Zero Turn Mowers Z994R Diesel 72 in 7Iron™ PRO
Features may include:
Powerful 24.7-hp (18.4-kW) diesel engine delivers superior performance and efficiency- Overhead valve design
- More horsepower and torque per cubic inch of displacement
- Better fuel efficiency
- 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.
- Seat can travel up to 2 in. (50.8 mm) fore and aft to absorb bumps for a significant enhancement to ride comfort.
- Control lever provides the ability to easily lock out fore/aft suspension movement if desired.
Engine
Engine Manufacturer
3TNV80F
Engine Power
PS: 18.4 kW (24.7 hp)
Rated Engine Speed
Gross at 3,200 rpm
Cylinder Liners
Three
Displacement
1.27 L (77.3 cu in.)
Lubrication
Full pressure
Cooling
Liquid
Air Cleaner
Pre-cleaner Yes Heavy-duty canister, dry type with safety element and air-restriction indicator
Starter
Operator presence starting system: Brake-N-Go (foot)
Fuel System
Fuel Type
Diesel or Biodiesel (up to B20)
Fuel System
Fuel tank switch/shut-off valve
PTO
PTO Type
Drive: V-belt | Electric clutch
Drivetrain
Drive System
Wheel motors: Tuff Torq heavy-duty integrated piston wheel motor | Speed and direction control: Zero turn
Transmission
Dual hydrostatic wheel drive TuffTorq heavy-duty ground drive with cross porting for improved cooling
Brakes
Brake System Type
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
Wheels & Tires
Wheels
Caster wheels: 13x6.5-6 | Caster wheel: 13x5.0-6 flat free | Drive wheels: 24x12.00-12 4-ply turf
Front Wheel
Anti-scalp rollers: RH, center, LH
Rear Wheel
Anti-scalp rollers: Standard
Tires, Rear Specification
24x12.00-12 4-ply turf | Load rating: 4PR
Battery
Battery
12 V
Electric
Electrical
Cold cranking amp: At 18 degrees C, 600 amp | Hour meter: Digital multi-function display
Charging System
75 amp
Operational
Operating Conditions
Consumption: 4.2-7.2 L/hr (1.1-1.9 U.S. gal./hr)
Operating Speed
Side discharge: approximately 16,000 fpm | Blade tip speed: Approximately 16,500 fpm | Speed range: 0-18.3 km/h (0-11.4 mph) | Forward: 0-18.3 km/h (0-11.4 mph ) | Reverse: 0-7.2 km/h (0-4.5 mph)
Hydraulics
Oil Filter
Full flow, replaceable, spin-on type | Drivetrain: Internal, replaceable
Dimensions
Cutting Width
152, 183 cm (60, 72 in)
Length
225 cm (88.6 in) (Varies by deck size)
Width
With chute down: 188, 218 cm (74, 86 in) | Rear discharge: 161.3, 192.5 cm (63.5, 75.8 in)
Height
With ROPS up: 185 cm (73 in) | With ROPS down: 119 cm (47 in) | Of-cut range: Increments 0.64 cm (0.25 in) / 2.54-14 cm (1-5.5 in)
Dimensions
Mower deck size: 183-cm (72-in) | Blades Thickness: 0.64 cm (0.25 in)
Capacities
Hydraulic Capacity
5.6 L (5.9 U.S. gal)
Fuel Capacity
Tank: 43.5 L (11.5 U.S. gal.)
Features
Crankcase: 3.4 L (3.6 U.S. qt)
Weights
Weight
776 to 821 kg (1,711 to 1,810 lb)
Features
Construction Material, Deck
7-gauge: 4.6-mm (0.179-in.) one-piece forged steel
Features
Blade Number: Three | Mower deck: 7Iron™ PRO side-discharge
Warranty
Warranty
36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months.