________________________________________________________________________________

John Deere Z445 Zero Turn Mower Specs

John Deere Z445 Engine

Kawasaki 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 (18.6)
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) ................ 3.5 (13.2)
Oil Capacity, qts (L) ................ 1.8 (1.7)

Briggs Engine

Engine Model ................ Briggs and Stratton 44Q977
Engine Type ................ 4-cycle vertical-shaft V-twin air-cooled gasoline
Number of Cylinders ................ 2
Displacement, cu.in (cc) ................ 44.2 (724)
Engine Bore, in (mm) ................ 3.12 (79.0)
Engine Stroke, in (mm) ................ 2.89 (73.0)
Maximum Engine Power, hp (kW) ................ 25.0 (18.4)
Rated Engine Speed, rpm ................ 3600
Idle Speed, rpm ................ 1400-1600
Maximum Torque, Nm (ft-lbs) ................ 52.2 (38.7)
Torque Speed, rpm ................ 2400
Fuel System ................ Carburetor
Fuel Pump ................ Integral type
Governor Type ................ Mechanical
Lubrication System ................ Full pressure with oil filter
Spark Plug Gap, in (mm) ................ 0.030 (0.76)
Armature Air Gap, in (mm) ................ 0.008-0.012 (0.20-0.30)
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) ................ 3.5 (13.2)
Oil Capacity, qts (L) ................ 2.1 (2.0)

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

John Deere Z445 Transmission

Transmission Model ................ Kanzaki DUP-10
Transmission Type ................ Hydrostatic
Number of Forward Gears ................ Infinite
Number of Reverse Gears ................ Infinite
Maximum Forward Speed, mph (kph) ................ 8.5 (13.7)
Maximum Reverse Speed, mph (kph) ................ 3.5 (5.6)

Transmission Model ................ Tuff Torq TZT 7D
Transmission Type ................ Hydrostatic
Number of Forward Gears ................ Infinite
Number of Reverse Gears ................ Infinite
Maximum Forward Speed, mph (kph) ................ 8.5 (13.7)
Maximum Reverse Speed, mph (kph) ................ 3.5 (5.6)

Wheels and Tires

Drive Wheels ................ 2WD 4x2
Steering Configuration ................ Front steer
Steering System ................ Power
Front Tire Size ................ 13x5.00-6
Rear Tire Size ................ 22x9.50-10

Dimensions and Weight

Wheelbase, in (mm) ................ 47 (1190)
Overall Length, in (mm) ................ 74.7 (1890)
Overall Heigth, in (mm) ................ 42.5 (1070)
Weight (48" Deck), lb (kg) ................ 665 (302)
Weight (54" Deck), lb (kg) ................ 680 (309)

Mower Deck

Mower Deck Type ................ Mid-mount, right-discharge
Cutting Width, in (mm) ................ 48 (1215)
Cutting Height, in (mm) ................ 1.0-4.0 (25-102)
Number of Blades ................ 3
Blade Engagement ................ Electric
Lift System ................ Manual

Mower Deck Type ................ Mid-mount, right-discharge
Cutting Width, in (mm) ................ 54 (1370)
Cutting Height, in (mm) ................ 1.0-4.0 (25-102)
Number of Blades ................ 3
Blade Engagement ................ Electric
Lift System ................ Manual