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Kubota Z422 Zero Turn Mower Specs

Kubota Z422 Engine

Engine Model ............... Kawasaki FS730V (GH7301V)
Engine Type ............... 4-cycle vertical shaft V-twin OHV air-cooled gasoline engine
Number of Cylinders ............... 2
Cylinder Liners ............... Cast iron
Displacement, cu.in (cc) ............... 44.3 (726)
Cylinder Bore, in (mm) ............... 3.07 (78.0)
Piston Stroke, in (mm) ............... 2.99 (76.0)
Engine Power, Hp (kW) ............... 24.0 (18.0)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lb) ............... 53.7 (39.6)
Torque Speed, rpm ............... 2000
Compression Ratio ............... 8.2:1
Fuel System ............... Carburetor
Carburetor Type ............... Float type with fixed main jet, single barrel
Fuel Pump ............... Diaphragm type pulse pump
Fuel Type ............... Gasoline (86 or higher)
Governor Type ............... Flyweight all speed governor
Lubrication System ............... Full pressure with spin-on oil filter
Cooling System ............... Forced-air
Oil Filter ............... Cartridge type full flow
Air Cleaner ............... Dual stage element, dry type
Ignition System ............... Transistorized-flywheel magneto
Spark Plug Type ............... NGK BPR4ES
Spark Plug Gap, in (mm) ............... 0.028-0.032 (0.70-0.80)
Intake Valve Clearance, in (mm) ............... 0.004-0.006 (0.10-0.15)
Exhaust Valve Clearance, in (mm) ............... 0.004-0.006 (0.10-0.15)
Fuel Tank Capacity, gal (L) ............... 6.8 (25.7)
Oil Capacity, qts (L) ............... 2.2 (2.1)

Electrical System

Electrical System Rating, Volts ............... 12
Charging System ............... Alternator
Alternator Rating, Amps ............... 15
Starting System ............... Electric starter

Power Take Off

PTO Operational Type ............... Independent
PTO Clutch ............... Electric
PTO Speed, rpm ............... 3600

Kubota Z422 Transmission

Transmission Model ............... Hydro-Gear ZT-3600
Transmission Type ............... Dual hydrostatic
Number of Forward Gears ............... Infinite
Number of Reverse Gears ............... Infinite
Oil Capacity, qts (L) ............... 5.0 (4.7)
Maximum Forward Speed, mph (kph) ............... 10.0 (16.0)
Maximum Reverse Speed, mph (kph) ............... 5.0 (8.0)

Wheels and Tires

Drive Wheels ............... 2WD 4x2
Steering Configuration ............... Front steer
Steering System ............... 2-hand levers
Front Tire Size ............... 13x6.50-6
Rear Tire Size (54" Deck) ............... 24x9.50-14
Rear Tire Size (60" Deck) ............... 24x12.00-14

Dimensions and Weight

Wheelbase, in (mm) ............... 49.4 (1255)
Overall Length, in (mm) ............... 80.9 (2055)
Overall Heigth (ROPS Up), in (mm) ............... 69.8 (1770)
Overall Heigth (ROPS Folded), in (mm) ............... 49.8 (1265)
Overall Width (54" Deck), in (mm) ............... 48.7 (1235)
Overall Width (60" Deck), in (mm) ............... 54.2 (1375)
Weight (54" Deck), lb (kg) ............... 918 (416)
Weight (60" Deck), lb (kg) ............... 954 (433)

Mower Deck

Mower Deck Model ............... RCK54P-400Z
Mower Deck Type ............... Mid-mount, side discharge
Deck Construction ............... Fabricated
Number of Blades ............... 3
Cutting Width, in (mm) ............... 54 (1370)
Total Width, in (mm) ............... 67.3 (1710)
Cutting Height, in (mm) ............... 1.5-5.0 (37-127)
Blade Engagement ............... Electric
Lift System ............... Mechanical, foot operated

Mower Deck Model ............... RCK60P-400Z
Mower Deck Type ............... Mid-mount, side discharge
Deck Construction ............... Fabricated
Number of Blades ............... 3
Cutting Width, in (mm) ............... 60 (1525)
Total Width, in (mm) ............... 73.6 (1870)
Cutting Height, in (mm) ............... 1.5-5.0 (37-127)
Blade Engagement ............... Electric
Lift System ............... Mechanical, foot operated