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Hustler Fastrak 54 Zero Turn Mower Specs

Hustler Fastrak 54 Engine

Honda Engine

Engine Model .............. Honda GXV620
Engine Type .............. 4-cycle overhead valve V-twin gasoline engine
Number of Cylinders .............. 2
Displacement, cu.in (cc) .............. 37.5 (614)
Cylinder Bore, in (mm) .............. 3.03 (77.0)
Piston Stroke, in (mm) .............. 2.61 (66.0)
Rated Engine Power, hp (kW) .............. 20.0 (14.9)
Rated Engine Speed, rpm .............. 3600
Maximum Torque, Nm (ft-lbs) .............. 44.1 (32.5)
Torque Speed, rpm .............. 2500
Idle Speed, rpm .............. 1400±150
Compression Ratio .............. 8.3:1
Valve Arrangement .............. OHV
PTO Shaft Rotation .............. Counterclockwise (from PTO side)
Fuel System Type .............. Carburetor
Carburetor Type .............. Horizontal, butterfly valve
Governor Type .............. Centrifugal
Fuel Type .............. Gasoline (86 or higher)
Lubrication System .............. Forced
Air Cleaner .............. Dual element
Cooling System .............. Forced air
Ignition System .............. Transistorized magneto
Spark Plug Type .............. NGK ZGR5A or Denso J16CR-U
Spark Plug Gap, in (mm) .............. 0.028-0.032 (0.70-0.80)
Module Air Gap, in (mm) .............. 0.008-0.024 (0.20-0.60)
Stopping System .............. Primary circuit ground
Intake Valve Clearance, in (mm) .............. 0.006 (0.15)
Exhaust Valve Clearance, in (mm) .............. 0.008 (0.20)
Fuel Tank Capacity, gal (L) .............. 10.0 (37.9)
Oil Capacity (with Filter), qts (L) .............. 2.3 (2.2)

Kawasaki FH641V Engine

Engine Model .............. Kawasaki FH641V
Engine Type .............. 4-cycle vertical shaft OHV air cooled gasoline engine
Number of Cylinder .............. 2
Cylinder Layout .............. 90 deg, V-Twin
Piston Displacement, cc (cu.in) .............. 675 (41.2)
Cylinder Bore, in (mm) .............. 2.96 (75.2)
Piston Stroke, in (mm) .............. 2.99 (76.0)
Engine Power, Hp (kW) .............. 21.0 (15.7)
Rated Engine Speed, rpm .............. 3600
Maximum Torque, Nm (ft-lb) .............. 52 (38.4)
Torque Speed, rpm .............. 2400
Idle Speed, rpm .............. 1550±100
Compression Ratio .............. 8.1:1
Direction of Rotation .............. Counterclockwise (PTO Shaft)
Fuel System .............. Carburetor
Carburetor Model .............. Nikki
Carburetor Type .............. Float with fixed main jet
Fuel Pump Type .............. Diaphragm type pulse pump
Governor Type .............. Mechanical
Fuel Type .............. Gasoline (86 or higher)
Lubricating System .............. Full pressure
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
Spark Plug Type .............. NGK BPR4ES
Spark Plug Gap, in (mm) .............. 0.030 (0.75)
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) .............. 10.0 (37.9)
Oil Capacity (with New Filter), L (qts) .............. 1.7 (1.8)

Kawasaki FR691V Engine

Engine Model .............. Kawasaki FR691V
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) .............. 23.0 (17.1)
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 .............. Pressure feed by positive displacement pump
Cooling System .............. Forced-air
Oil Filter .............. Cartridge type full flow
Air Cleaner .............. Single stage element, dry type
Ignition System .............. Transistorized-flywheel magneto
Spark Plug Gap, in (mm) .............. 0.030 (0.76)
Armature Air Gap, in (mm) .............. 0.008-0.016 (0.20-0.41)
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) .............. 5.0 (19.0)
Oil Capacity, qts (L) .............. 2.0 (1.9)

Kohler Engine

Engine Model .............. Kohler EKT750 EFI
Engine Type .............. 4-cycle V-twin cylinder OHV vertical shaft air-cooled gasoline engine
Number of Cylinders .............. 2
Displacement, cu.in (cc) .............. 45 (747)
Engine Bore, in (mm) .............. 3.27 (83.0)
Engine Stroke, in (mm) .............. 2.70 (69.0)
Rated Engine Power, hp (kW) .............. 27.0 (20.0)
Rated Engine Speed, rpm .............. 3600
Maximum Torque, Nm (ft-lb) .............. 53.4 (39.4)
Torque Speed, rpm .............. 2500
Low Idle Speed, rpm .............. 1750±75
High Idle Speed, rpm .............. 3600±50
Compression Ratio .............. 9.1:1
Fuel System .............. Electronic fuel injection
Fuel Pump .............. Pulse type
Lubrication System .............. Full pressure
Oil Filter .............. Full-flow type
Air Cleaner Type .............. Dual element
Fuel Tank Capacity, gal (L) .............. 5.0 (19.0)
Oil Capacity, qts (L) .............. 2.0 (1.9)

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 Fastrak 54 Transmission

Transmission Model (20-21 Hp) .............. Hydro-Gear ZT2800
Transmission Model (23-27 Hp) .............. Hydro-Gear ZT3100
Transmission Type .............. Hydrostatic
Number of Forward Gears .............. Infinite
Number of Reverse Gears .............. Infinite
Oil Capacity, qts (L) .............. 5.0 (4.7)
Maximum Forward Speed, mph (kph) .............. 8.0 (12.9)
Maximum Reverse Speed, mph (kph) .............. 5.0 (8.0)

Wheels and Tires

Drive Wheels .............. 2WD 4x2
Steering Configuration .............. Front steer
Steering System .............. SmoothTrak, twin-lever
Brakes Type .............. Hydrostatic dynamic braking
Front Tire Size (20-21 Hp) .............. 11x4.00-5
Front Tire Size (23-27 Hp) .............. 13x6.50-6
Rear Tire Size (20-21 Hp) .............. 18x9.50-8
Rear Tire Size (23-27 Hp) .............. 22x11.00-10

Dimensions and Weight

Overall Length (20-21 Hp), in (mm) .............. 71 (1800)
Overall Length (23-27 Hp), in (mm) .............. 76 (1930)
Overall Heigth (20-21 Hp), in (mm) .............. 39.8 (1010)
Overall Heigth (23-27 Hp), in (mm) .............. 45.5 (1155)
Overall Width (20-21 Hp), in (mm) .............. 47 (1190)
Overall Width (23-27 Hp), in (mm) .............. 52 (1320)
Weight (20-21 Hp), lb (kg) .............. 815 (370)
Weight (23-27 Hp), lb (kg) .............. 845 (383)

Mower Deck

Mower Deck Type .............. Mid-mount, side discharge
Cutting Width, in (mm) .............. 54 (1370)
Overall Width, in (mm) .............. 58 (1655)
Cutting Height, in (mm) .............. 1.5-4.5 (37-114)
Number of Blades .............. 3
Blade Engagement .............. Electric
Blade Size, in (mm) .............. 18.5x2.5x0.2 (470x63.5x5.1)
Blade Tip Speed, fpm (mpm) .............. 18200 (5515)
Spindle Material .............. Aluminum
Lift System .............. Foot operated