Ford Tractor Dynamo 22 Amp C40 Lucas Type 22756 For models 2000 2600 3000 3600 4000 & 5000. Part reference 3109419R91, 81816845, C7NN10000C & 22756. This particular dynamo is designed to be fitted with a fan on the front to allow for cooling allowing the dynamo to work at its maximum capacity.
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