________________________________________________________________________________

Hustler Super Z-54 Zero Turn Mower Specs

Hustler Super Z54 Engine

Kawasaki FH721V Engine

Engine Model .............. Kawasaki FH721V
Engine Type .............. 4-cycle V-Twin cylinder vertical shaft OHV air cooled gasoline engine
Number of Cylinder .............. 2
Cylinder Layout .............. 90 deg, V-Twin
Displacement, cu.in (cc) .............. 41.2 (675)
Cylinder Bore, in (mm) .............. 2.96 (75.2)
Piston Stroke, in (mm) .............. 2.99 (76.0)
Engine Power, Hp (kW) .............. 25.0 (18.0)
Rated Engine Speed, rpm .............. 3600
Maximum Torque, Nm (ft-lb) .............. 56 (41.3)
Torque Speed, rpm .............. 2400
Compression Ratio .............. 8.1:1
Compression Release .............. Automatic
Direction of Rotation .............. Counterclockwise (PTO Shaft)
Choke Control .............. Automatic (throttle control)
Fuel System .............. Carburetor
Carburetor Type .............. Float with fixed main jet, twin barrel
Fuel Pump Type .............. Diaphragm type pulse pump
Governor Type .............. Mechanical
Lubrication System .............. Pressure feed by positive displacement pump
Oil Filter Type .............. Cartridge type full flow filter
Air Cleaner Type .............. Dual stage element, dry type
Cooling System .............. Forced air cooled
Ignition System .............. Flywheel magneto transistor type
Starting System .............. Electric starter
Fuel Tank Capacity, gal (L) .............. 14.4 (54.5)
Oil Capacity, qts (L) .............. 1.8 (1.7)

Kawasaki FX850V Engine

Engine Model .............. Kawasaki FX850V
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) .............. 27.0 (20.1)
Rated Engine Speed, rpm .............. 3600
Maximum Torque, Nm (ft-lb) .............. 60.5 (44.6)
Torque Speed, rpm .............. 2400
Compression Ratio .............. 8.2:1
Fuel System .............. Carburetor
Carburetor Type .............. Twin barrel, internally vented
Fuel Pump .............. Diaphragm type pulse pump
Governor Type .............. Flyweight all speed governor
Lubrication System .............. Pressure feed by positive displacement pump
Cooling System .............. Forced-air
Ignition System .............. Electronic
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) .............. 11.7 (44.3)
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 Drive Type .............. Belt-driven

Hustler Super Z-54 Transmission

Transmission Model .............. Hydro-Gear BDP21
Transmission Type .............. Dual hydrostatic
Pump Type .............. Variable displacement, axial-piston
Pump Drive .............. V-belt drive from engine crankshaft
Number of Forward Gears .............. Infinite
Number of Reverse Gears .............. Infinite
Oil Capacity, gal (L) .............. 3.0 (11.4)
Maximum Forward Speed, mph (kph) .............. 15.0 (22.5)
Maximum Reverse Speed, mph (kph) .............. 6.0 (9.6)

Wheels and Tires

Drive Wheels .............. 2WD 4x2
Steering Configuration .............. Front steer
Steering System .............. SmoothTrak, twin-lever
Brakes Type .............. Hydrostatic dynamic braking
Front Tire Size .............. 13x6.50-6
Rear Tire Size (25 Hp) .............. 23x9.50-12
Rear Tire Size (27 Hp) .............. 24x9.50-12

Dimensions and Weight

Overall Length (25 Hp), in (mm) .............. 77 (1955)
Overall Length (27 Hp), in (mm) .............. 89 (2260)
Overall Heigth (25 Hp), in (mm) .............. 39 (990)
Overall Heigth (27 Hp), in (mm) .............. 46.8 (1185)
Overall Width (25 Hp), in (mm) .............. 52 (1320)
Overall Width (27 Hp), in (mm) .............. 57 (1445)
Weight (25 Hp), lb (kg) .............. 1180 (535)
Weight (27 Hp), lb (kg) .............. 1420 (645)

Mower Deck

Mower Deck Type .............. Mid-mount, side discharge
Deck Construction .............. Fabricated
Deck Material .............. 11-gauge steel
Cutting Width, in (mm) .............. 54 (1370)
Overall Width (25 Hp), in (mm) .............. 55 (1395)
Overall Width (27 Hp), in (mm) .............. 60 (1525)
Cutting Height (25 Hp), in (mm) .............. 1.0-5.0 (25-127)
Cutting Height (27 Hp), in (mm) .............. 1.0-5.5 (25-138)
Number of Blades .............. 3
Blade Engagement .............. Electric
Blade Length, in (mm) .............. 18.5 (470)
Lift System .............. Foot operated