Exmark 4500-528 Specifications, Model Numbers, Systems, Engine, Fuel System, Electrical System

Specifications

Specifications

Model Numbers

Serial Nos: 850,000 and Higher

TT20KCE, TT24KAE, TT24KAECA

Systems

Engine

•Engine Specifications: 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; containing no more than 10% methanol or ethanol.

•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 disengaged 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 efficiency 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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