1-4 OM 803 us – Edition 3.7 * * 803b110.fm
Introduction
1.4 Brief description
The model 803 excavator is a self-propelled work machine.
Get informed on and follow the legal regulations of your country.
This machine is a versatile and powerful helper for moving earth, gravel and debris on con-
struction sites and elsewhere. A wide range of attachments accounts for the numerous
applications of the machine, including hammer operation.
See chapter Fields of application, attachments for further applications.
The main components of the machine are:
• Undercarriage
• Tracked travel gear
• Stabilizer blade
• Live ring
• Upper carriage
• Water-cooled diesel engine
• Hydraulic and electrical components
• Boom
The machine can be equipped with the “Telematic” option (for transmitting
operating data, location, etc. via satellite)!
Traveling drive
The diesel engine permanently drives two gear pumps the oil flow of which is sent to the
hydraulic motor currently actuated.
Operating hydraulics
The diesel engine permanently drives two gear pumps the oil flow of which is sent to the
operating hydraulics as required. The oil flow of these pumps depends on the diesel
engine speed.
Cooling system
An indicator light on the instrument panel of the machine ensures constant monitoring of
the engine oil and coolant temperature.
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