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3YM20

3YM20-18 Marine Installation Manual - Volume 2

Power Take-Off

The 3YM20 engine has front power take-off (PTO)

capabilities.

Operating Condition:

1. A-type shows an example with an overhang

distance (L) of 30 mm (1.182 in.). When the

overhang distance differs in value, calculate the

capacity with the following formula. (Limit of

distance is 50 mm [1.97 in.])

L: Overhang distance (mm)

kW: Permissible Output

PTO Permissible Output Curve

Figure - 15

Allowable Take-Off Output

140 mm

L110+ mm

-------------------------------------

x kW=

800

12001000 1400 1600 1800 2000 2200 2400 2600 2800 3200

4.4kW

12.5kW

3400 36003000

PERMISSIBLE OUTPUT (kW)

ENGINE SPEED (rpm)

D-type output with propeller not driven

D-type output with driving propeller

A-type output

0003753

JUN 2006 (Rev. 1)

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Yanmar 3YM20 Manuale Utente Pagina 40