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Kubota Z781 Zero Turn Mower Specs

Kubota Z781 Engine

Engine Model ............... Kawasaki FX850V EFI (GH860V-F)
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) ............... 52.02 (852)
Cylinder Bore, in (mm) ............... 3.33 (84.5)
Piston Stroke, in (mm) ............... 2.99 (76.0)
Engine Power, Hp (kW) ............... 29.5 (22.0)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lb) ............... 62.1 (48.5)
Torque Speed, rpm ............... 2400
Compression Ratio ............... 8.2:1
Fuel System ............... Electronic fuel injection
Lubrication System ............... Pressure feed by positive displacement pump
Cooling System ............... Forced-air
Ignition System ............... Electronic ignition system with variable spark timing
Spark Plug Type ............... NGK BPR4ES
Spark Plug Gap, in (mm) ............... 0.027-0.031 (0.70-0.80)
Armature Air Gap, in (mm) ............... 0.008-0.011 (0.20-0.28)
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) ............... 11.6 (43.9)
Oil Capacity, qts (L) ............... 2.5 (2.3)

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 Z781 Transmission

Transmission Model ............... Parker Torqpact GT14
Transmission Type ............... Hydrostatic
Number of Forward Gears ............... Infinite
Number of Reverse Gears ............... Infinite
Oil Capacity, qts (L) ............... 3.5 (3.3)
Maximum Forward Speed, mph (kph) ............... 11.2 (18.0)
Maximum Reverse Speed, mph (kph) ............... 5.6 (9.0)

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 ............... 24x9.50-14
Front Tread, in (mm) ............... 37.6 (955)
Rear Tread, in (mm) ............... 40.2 (1015)

Dimensions and Weight

Wheelbase, in (mm) ............... 51 (1295)
Overall Length, in (mm) ............... 83.9 (2130)
Overall Heigth (ROPS Up), in (mm) ............... 70.1 (1780)
Overall Heigth (ROPS Folded), in (mm) ............... 48.6 (1230)
Overall Width, in (mm) ............... 50.4 (1280)
Weight, lb (kg) ............... 1254 (568)

Mower Deck

Mower Deck Model ............... RCK54P-781Z
Mower Deck Type ............... Mid-mount
Deck Construction ............... Fabricated
Number of Blades ............... 3
Cutting Width, in (mm) ............... 54 (1370)
Total Width, in (mm) ............... 67.3 (1710)
Cutting Height, in (mm) ............... 1.0-5.5 (25-138)
Blade Engagement ............... Electric
Lift System ............... Mechanical, foot operated