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BAXTERS

Alternator Hitachi Type 12V 90A Suits Nissan Patrol GU 3.0 Navara D22 ZD30DDTI

Item No. A-1447

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An overrunning alternator pulley is used to smooth out irregularities of driving speed of an automobile alternator. During normal operation alternator pulleys can rotate at up to 18,000rpm and coupled with rapid acceleration and deceleration can lead to premature alternator, pulley and drive belt failure. To prevent this Overrunning Alternator Pulleys (OAPs) were developed that are designed to decouple the alternator from the rotational irregularities of the crankshaft in an internal combustion engine, as the alternator has the highest moment of inertia in the accessory belt drive. As a result of this decoupling the alternator is only driven using the acceleration components of the rotational irregularity of the crankshaft.For details see this YouTube video

Dimensions 25x20x17
Plug Type AP25
Pulley Grooves 7V
Adjuster to Pivot Hole Length 169mm
Pivot Hole Diameter M8 x 1.25mm
Length Foot to Foot 80mm
Pulley Diameter 60mm
Shaft Diameter 17mm
Specification2 L.W.H: 23x18x17cm
Common Application Nissan Patrol 3.0L GU Turbo Diesel
Voltage 12V
Adjuster Hole Diameter 8mm
Brand BAXTERS
Amperage 90A
Mounting Type J180
Regulator Style Internal
Specification1 Clutch Pulley: yes
Weight 6KG
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