Key Features & Specs
- 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
- Rear Discharge Deck
- Mulch On Demand™ Available
- Fuel options Diesel (up to B20 compatible)
- HP* 24.7 (18.4 kW)
- 7-Iron™ PRO side discharge deck options 54", 60", 72"
- 7-Iron™ PRO Mulch On Demand deck options 60"
- Rear Discharge Deck options 60", 72"
- 7-Iron™ II side discharge deck options n/a
Specifications
Blades
| Number | Three |
| Length | Varies by deck size |
| Blade tip speed | Approximately 16,000 fpm 4,877 m/min |
| Thickness | 0.25 in. 0.64 cm |
Brakes
| Park brake actuation | Foot brake engagement also brings steering levers to the neutral position |
| Dynamic braking | Twin motion control levers |
| Park brake | Internal wet disk integrated in the transmission |
Buyer's note
| Warranty | 36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months. |
Dimensions
| Height | With ROPS up 73 in. 185 cm With ROPS down 47 in. 119 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 |
| Length | 88.6 in. 225 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 |
Drivetrain
| Transmission | Dual hydrostatic wheel drive TuffTorq heavy-duty ground drive with cross porting for improved cooling |
| Filter | Internal, replaceable |
| Hydraulic oil cooler | Fins and fan |
| Speed and direction control | Zero turn |
| 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 |
| Hydraulic capacity | 5.9 U.S. gal. 5.6 L |
Electrical system
| Hour meter | Digital multi-function display |
| Operator presence starting system | Standard |
| Cold cranking amp | At 18 degrees C, 600 amp |
| Charge system | 75 amp |
| Battery voltage | 12 V |
Engine
| Cylinders | Three |
| Lubrication | Full pressure |
| Manufacturer/Model | 3TNV80F |
| Cooling | Liquid |
| Oil filter | Full flow, replaceable, spin-on type |
| Displacement | 77.3 cu in. 1.27 L |
| Air cleaner | Pre-cleaner Yes Heavy-duty canister, dry type with safety element and air-restriction indicator |
| Crankcase capacity | 3.6 U.S. qt 3.4 L |
| Power | Gross at 3,200 rpm, PS: 24.7 hp 18.4 kW |
Fuel system
| Fuel type | Diesel or Biodiesel (up to B20) |
| Fuel tank switch/shut-off valve | Yes |
| Fuel tank capacity | 11.5 U.S. gal. 43.5 L |
Key Specs
| Warranty | 36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months. |
| Engine Manufacturer/model | 3TNV80F |
| Caster wheels | 13x5.0-6 flat free |
| 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 |
| 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 |
| Engine Power | Gross at 3,200 rpm, PS: 24.7 hp 18.4 kW |
| Transmission | Dual hydrostatic wheel drive TuffTorq™ heavy-duty ground drive with cross porting for improved cooling |
| Blade tip speed | Approximately 16,000 fpm 4,877 m/min |
| Fuel tank capacity | 11.5 U.S. gal. 43.5 L |
Mower decks
| Deck construction | One-piece stamped steel with reinforcements |
| Discharge | Side-discharge, Side-discharge, Mulch On Demand |
| 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 thickness | 7 gauge 0.18 in. 4.6 mm |
| Cutting width | 54, 60, 72 in. 137, 152, 183 cm |
| Height-of-cut range | Increments 0.25 in. 0.64 cm 1-5.5 in. 2.54-14 cm |
PTO
| Type | Electric clutch |
| Drive | V-belt |
Tires
| Load rating | 4PR |
| 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 |
Wheels
| Front anti-scalp rollers | LH, RH, Center |
| Rear anti-scalp rollers | Standard |
| Caster wheel type | Flat free |
| Caster wheels | 13x5.0-6 |
Additional information
| Date collected | 9-Aug-2019 |
John Deere Z994R Diesel Image Gallery

