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Specications
Specications
Model Numbers
Serial Nos: 790,000 and Higher
TT20KCE, TT23KAE
Systems
Engine
• Engine Specications: See your Engine Owner’s
Manual
• RPM: Full Speed: 3600 (No Load)
Fuel System
• Capacity: 5.0 gal. (18.9 L)
• Type of Fuel: Regular unleaded gasoline, 87
octane or higher.
• Fuel Filter: Replaceable In-line
• Fuel Shut-Off Valve: 1/4 turn increments
Electrical System
• Charging System: Flywheel Alternator
• Charging Capacity: 15 amps
• Battery Type: BCI Group U1 235 amps 0°F
• Battery Voltage: 12 Volt
• Polarity: Negative Ground
• Fuses: Two blade type, 20 amp to charging circuit;
20 amp to electric clutch
Safety Interlock System:
• Operator must have OPC (Operator Presence
Control) levers held in contact with handle
grips, speed control lever in neutral, and PTO
disengaged to start engine. Release of OPC levers
will cause the engine to stop if speed control lever
is not in neutral and/or PTO is engaged.
• Park brake must be engaged to move speed
control out of neutral or engine will kill.
Operator Controls
Steering Control: Fingertip drive control levers
provide independent speed control, braking and
neutral to each drive wheel for moving forward or
reverse, stopping, and power turning.
Transmission
• Two Hydro Gear variable displacement piston
pumps independently coupled to two high
efciency Parker wheel drive motors.
• Hydraulic Oil: Use Exmark Premium Hydro Oil.
• Hydraulic Oil Capacity: 2.4 qt. (2.2 L)
• Hydraulic Filter is replaceable cartridge type.
P/N 109–4180: 25 microns, 10 psi bypass
(Summer use above 32°F (0°C))
P/N 1–523541: 40 microns, 18 psi bypass (Winter
use below 32°F (0°C))
• Speeds:
– 0-6.75 mph (10.9 km/hr) forward.
– 0-2.25 mph (3.6 km/hr) reverse.
• Drive wheel release valves allow machine to be
moved when engine is not running.
Wheel Drive System
Drive wheels are direct coupled to Parker wheel drive
motors with 1 inch (25.4 mm) tapered shaft.
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