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Section 6: Specifications & Capacities
ZST40 & ZST48 Zero Turn Mowers 357-505M
9/09/11
Engine Specifications
Engine Manufacture
Kawasaki
Briggs & Stratton
Mower Model No
ZST40
ZST48
ZST40
ZST48
Horsepower
15
18
17.5
21
Engine Model Type
FR541V
FR600V
N/A
N/A
Charging System
12-volt, 15 amps
12-volt, 9 amps
Starter
12-volt Electric Starter
Ignition
Keyed 12 volt electronic system
Governor
Mechanical
Fuel Type
Unleaded gasoline with octane rating of 87 or higher
Oil Cooling
without
Engine Cooling
Forced air cooled, Fly-wheel fan
Engine Type
4-stroke OHV, V-twin cylinder, gasoline
4-stroke OHV, single cylinder, gasoline
Number of Cylinders
2
1
Displacement
603cc
603cc
501cc
540cc
Compression Ratio
8.1:1
8.1:1
N/A
N/A
Spark Plug No.
BPR4ES (NGK)
N/A
Oil Capacity with Filter Change
1.8 US quarts (1.7L)
1.5 US qts. (1.4L)
Oil Type
SAE 10W-30
Oil Filter Part No.
831-073C
831-091C
831-053C
Fuel Filter Part No.
831-031C
831-031C
Air Filter Part No.
831-092C
831-093C
831-094C
Pre Filter Part No.
N/A
831-095C
831-096C
Hydrostatic Transaxle Specifications
Mower Model No
ZST40 & ZST48
Transaxle Model Nos.
ZT-2200
TM
Gear Type
Powdered Metal Gears
Number of Wheel Lugs
4
Traction Drive Type
Dual Hydrostatic Transmission
Hydraulic Motor/Pumps
Two variable displacement, axial piston type.
Hydraulic Motor/Pump Drive
V-belt drive from engine crankshaft
Hydraulic Oil Type
SAE 20W-50 engine oil
Hydraulic Oil Capacity - Per Side
53.3 fl. oz.to fill transaxle
Section 6: Specifications & Capacities
Specifications to continue on next page.