Starter 68-98 New 12V Ford Farm Tractor 8000 8210 9000 9600 6-401 Diesel D4NN-B. FITS / Replacement Part Numbers. OEM PART NUMBERS. Ford: C6NF-A / D4NN-B / C7NN-B / D0NN-B SPECIFICATIONS. Type: Starter Motor (OSGR – Offset Gear Reduction). Voltage: 12V. Rotation: Clockwise (CW). Teeth: 10. Pinion Gear OD: 39.9mm (1.571 in). Overall Length: 295mm (11.614 in). Registry OD: 91.8mm (3.614 in). Mounting: Three 11mm unthreaded ears. Weight: 18.9 lbs (8.59 kg). Unit Type: Denso-Type OSGR. As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). The sole responsibility of ComponentsPlus – 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 ComponentsPlus.