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12-Volt Alternator Conversion Bracket Mounting Kit with 63-Amp Alternator & Hot-Rated Coil – John Deere
John Deere Tractor (Gas Only): M, MI, MC, MT, MTN, MTW, 40, 320, 330, 420, 430, 440.
Fits 440 gas models with manual steering only. Also fits MC with MC60 blade attachment, 40 with 61 blade attachment, and 420 and 430 with 62 blade attachment.
Does not fit crawlers equipped with loaders.
Includes mounting bracket kit with hardware, Delco 10SI 1-Wire 63-Amp Alternator with a 5/8" pulley installed, and an internally resisted 12-Volt Coil, Hot Rated up to 55,000 Volts.
Installation: This alternator converts a 6-volt system to a 12-volt negative-ground system. Connect the alternator output through the ammeter to the positive side of the battery. Engine speed must reach approximately 800–850 RPM for the alternator to self-excite.
Alternator Specifications: Output: 63 amps, System: 12-volt negative ground, Housing diameter: 6-1/4", Pulley diameter: 2-1/2", Pulley belt width: 5/8" (installed), Mounting bolt spacing: 6-3/8" center to center, Built-in self-exciter.
The alternator must be grounded to the mounting bracket. Remove paint or powder coating at the mounting contact points as needed to provide a solid ground connection.
Brackets may come Primered (Ready to Paint), or Painted - Customer is responsible for ensuring necessary Grounding is completed for install.
AA4879R, AA4983R, 10459509.