Tor
que [Nm]
Engine speed (rpm)
600 1200 1800 2600
1500
1000
500
High-performance engine brake
Feature
• 2-stage decompression brake
• Control via exhaust camshaft
• Power output up to 178 kW
Engine control
Feature
• 2 selectable engine control characteristics
— Torque control (elastic rpm characteristics)
— Work speed control (rigid rpm characteristics)
Advantage
• Wear-free auxiliary brake, reduces heating and wear of the
service brake
• High brake power, very good deceleration
Advantage
• Rpm characteristics optimally tailored to the operating mode
— Operation under normal conditions, road travel, transport
— Implement use at constant engine speed
— Operation on difficult terrain with speed setpoint, only minimum
engine speed deviation
Switch to select engine control characteristic on dashboard (middle)
Engine speed/torque control
Torque and work speed
control:
Engine speed control
for implement opera-
tion
Torque control for
driving mode
Engine
Technical Manual
20
Mercedes-Benz Special Trucks