Over 30,000 aftermarket & original parts. NEW 12 VOLT 130 AMP ALTERNATOR FITS FORD TRACTOR 8670 8770 8870 8970 FORD DIESEL. Replaces Part Numbers & Specifications. ITEM DESCRIPTION: ALTERNATOR UNIT TYPE: NEW HOLLAND, MASSEY FERGUSON VOLTAGE: 12 AMPERAGE: 130 WEIGHT: 16.0 LBS / 7.26 KG. As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). PLEASE VERIFY YOUR OEM PART NUMBER FROM YOUR ORIGINAL UNIT TO HELP ENSURE FITMENT. The sole responsibility of RAREELECTRICAL – if any – shall be the replacement of defective products as stated above. It is the responsibility of the customer to verify the correct application information prior to purchasing any product from RAREELECTRICAL. 8AM-6PM EST Customer Service.