Volvo Penta D4 Series User Manual

Optional
Low speed
The Volvo Penta low speed function is available for
engines with hydraulic transmissions.
Boats with powerful engines can have high speeds
even at low revolutions; the low speed function
reduces speed.
N = Neutral position.
Transmission is disengaged and engine revolu-
tions are at idle.
F = Forward at idle.
The transmission is engaged for operations
ahead and the engine is at idle; this involves
maximum trolling in the transmission.
R = Reverse at idle.
The transmission is engaged for operations
astern and the engine is at idle; this involves
maximum trolling in the transmission.
A = Low speed engaged.
The transmission affects propeller revolutions.
The engine is not affected.
B = Low speed disengaged.
The control affects engine speed and propeller
revolutions.
B
B
R
F
N
A
A
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Volvo Penta D4 Series Specifications

General

Fuel System	Common rail direct injection
Displacement	3.7 liters
Aspiration	Turbocharged
Alternator	115 A
Emission Compliance	EPA Tier 3, IMO Tier II, RCD II
Horsepower Range	150-300 HP
Max Power Output	300 HP
Engine Type	Diesel