Description
John Deere Z985R EFI
Specifications
Manufacturer
John Deere
Model
Z985R Efi
Year
2026
Category
Mowers
Subcategory
Commercial Mowers
Fuel system Fuel type
Gasoline
Fuel system Fuel consumption
Under normal conditions, load, operation, and dependent on loads and operating conditions 7Iron PRO side-discharge: 1.4 U S gal/hr5.3 L/hrFastBack PRO rear-discharge: 1.3 U S gal/hr4.9 L/hr
Fuel system Fuel tank capacity
11.5 U S gal43.5 L
Electrical system Charge system
20 amp
Electrical system Battery voltage
12 V
Electrical system Cold cranking amp
300 amp
Electrical system Hour meter
Display panel including hour meter, fuel level, engine speed, system voltage, low engine oil pressure indicator, starting interlock indicators (PTO, operator presence, park brake), caution warning, stop warning, and on-board diagnostics
Electrical system Operator presence starting system
Brake-N-Go (foot)
Drivetrain Transmission
Hydrostatic
Drivetrain Wheel motors
Tuff Torq heavy-duty integrated piston wheel motor with cross porting
Drivetrain Travel speed
Speed range0-12 mph0-19.3 km/hForward0-12 mph0-19.3 km/hReverse0-4.5 mph0-7.2 km/h
Drivetrain Speed and direction control
Twin levers
Drivetrain Hydraulic capacity
5.9 U S qt5.6 L
Drivetrain Filter
Internal, replaceable
Tires Drive wheels
24x12-12
Tires Load rating
4 PR
Brakes Dynamic braking
Twin levers
Brakes Park brake actuation
Foot brake
PTO Type
Electro-magnetic, 250 lb-ft339 Nm
PTO Drive
V-belt
Mower decks Size
72-in (183-cm ) 7Iron™ PRO side-discharge72-in (183-cm ) FastBack™ PRO rear-discharge
Mower decks Deck construction
7-Iron™ PRO: 7-gauge, 0.179-in (4.6-mm) one-piece forged steelFastBack™ PRO: 7-gauge, 0.179-in (4.6-mm) fabricated steel
Blades Length
Varies by deck size
Blades Blade tip speed
7Iron PRO: Approximately 18,500 fpm72-in (183-cm ) FastBack: Approximately 18,000 fpm
Blades Number
Three
Wheels Caster wheel type
Flat free
Wheels Caster wheels
13x6.5-6
Wheels Front anti-scalp rollers
Left, center, right
Wheels Rear anti-scalp rollers
7Iron PRO: Left, center, rightFastBack PRO: Left, right
Weight
1530 to 1556 lb694 to 706 kg
Operation Slope operating limit
20 degrees (10 degrees with material collection system installed)
Engine Manufacturer/Model
61G8 EFI
Engine Power
Gross at 3,600 rpm40 hp29.8 kW
Engine Displacement
60.6 cu in 993 cc
Engine Cylinders
Two
Engine Crankcase capacity
With filter and Oil Guard System, 5 U S qt14.7 L
Engine Oil filter
Full flow, replaceable
Engine Lubrication
Full pressure
Engine Cooling
Forced air, with integrated clean out ports
Brakes Park brake
Internal wet disk integrated in the transmission
Mower decks Height-of-cut range
Increments0.25 in 0.64 cm 1-5.5 in 2.54-14 cm
Mower decks Cutting width
72 in 183 cm
Blades Thickness
7Iron PRO: 0.25 in 6.4 mmFastBack PRO: 0.31 in 8 mm
Length
90 in 229 cm
Width
With chute down, 86 in 218 cm Rear discharge, 75.8 in 192.5 cm
Height
With ROPS up, 73 in 185 cm With ROPS down, 47 in 119 cm
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