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12-Volt Conversion Kits
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(FE) 12 Volt Conversion Kit - 12 Volt Conversion For TO20. (Includes alternator with built-in regulator, 12 volt resistor, wiring harness, brackets and instructions) (Part No: TO20ALT12V)$154.99 [Show Picture]
(FE) 12 Volt Conversion Kit - 12 Volt Conversion For TO30 ONLY. (Includes alternator with built-in regulator, 12 volt resistor, wiring harness, brackets and instructions) (Part No: TO30ALT12V)$154.99 [Show Picture]
(FE) Alternator Base Bracket - Base bracket used in 12 volt conversion kit. For Model: TO30. Hardware kit available as p n HDW9302. (Part No: GFD9309)$13.50
(FE) Alternator Base Bracket - Base bracket used in 12 volt conversion kit. For Model: TO20. Hardware kit available as p n HDW9302. (Part No: GFD9315)$18.95 [Show Picture]
(FE) Alternator Hardware Kit - Hardware for brackets in 12 volt conversion kits. For Models: TO20, TO30. (Part No: HDW9302)$4.50 [Show Picture]
(FE) Alternator Top Bracket - Adjustable top bracket used in 12 volt conversion kit. For Model: TO30. Hardware kit available as p n HDW9302. (Part No: GFD9310)$11.95
(FE) Alternator Top Bracket - Adjustable top bracket used in 12 volt conversion kit. For Model: TO20. Hardware kit available as p n HDW9302. (Part No: GFD9314)$18.95 [Show Picture]
(FE) Wiring Harness, 12 Volt Conversion Kit - Wiring harness for 12 volt conversion kits. For Models: TO20. (Part No: AKT9205)$15.00 [Show Picture]
(FORD) 12 Volt Conversion Kit - 12 Volt Conversion Kit - NAA, Jubilee. Includes rebuilt unicharge alternator with pulley, internal self exciting regulator, brackets, wiring harness, resistor and instructions. Updates older 6-volt tractors to 12-volt charging system. ``Does not contain coil. (Part No: NAA10300ALT)$133.65 [Show Picture]
(FORD) 12 Volt Conversion Kit - For 4 cylinder gas engines on 600, 620, 630, 640, 650, 660, 601, 611, 621, 631, 641, 651, 661, 671, 681, 700, 740, 750, 701, 741, 771, 800, 820, 840, 801, 811, 821, 841, 851, 861, 871, 881, 900, 950, 960, 2000, 4000. Not for Industrial or Diesel Tractors. Includes rebuilt unicharge alternator with pulley, internal self exciting regulator, brackets, wiring harness and instructions. Updates older 6-volt tractors to 12-volt charging system. Does not contain coil and does NOT have tach drive. (Part No: 5564-10300ALT)$133.65 [Show Picture]
(FORD) 12 Volt Conversion Kit - For Models: 2000, 3000, 4000, 5000, 7000. 1965 and up , gas and diesel. Converts 6-volt systems to 12-volt and updates older 12 volt tractors- Replaces Lucas Generator Includes rebuilt unicharge alternator with pulley and internal self exciting regulator, brackets, wiring harness and instructions. Includes tach drive. (Part No: 6X10300ALTH)$313.81 [Show Picture]
(FORD) 12 Volt Conversion Kit, Front Mount Distributor - 9N, 2N, 8N - Updates older 6-volt tractors to 12-volt charging system. For early 9N, 2N, 8N 1948-1951 with front mount distributor (distributor is right behind radiator), to S N 263843. Kit includes rebuilt unicharge alternator with pulley and self exciting regulator, 12 Volt coil, wiring harness, top alternator bracket, alternator base bracket, alternator adjusting arm, belt, and instructions. (Part No: 8NE10300ALT-C)$133.65 [Show Picture]
(FORD) 12 Volt Conversion Kit, Side Mount Distributor - For Late 8N Tractors with side mount distributors(mounted at an angle near front of engine). Updates older 6-volt tractors to 12-volt charging system. Kit includes: Unicharge alternator w-pulley, Electrical resistor, (Resistor is to be used if you use your 6 volt coil - OR you can install a 12 volt coil (no coils included in kit) and NOT use this resistor, wiring harness, top alternator bracket, base alternator bracket, alternator adjusting arm, Misc Bolts Nuts Instructions. (Part No: 8NL10300ALT)$133.72 [Show Picture]
(FORD) Pulley Alternator , Wide - For use with our 12 Volt Conversion kits that use the 10SI style alternator only. .670 inch Bore, 2.5 inch outside diameter, using a 5 8 inch wide belt. Replaces the narrower pulley (3 8ths aprox)on tractors with a wider crankshaft pulley (3 4 inch). (Part No: AFD5035)$13.99 [Show Picture]
(FORD) Wiring Harness, 12 Volt Conversion - For Models: NAA, Jubilee, 600, 700, 800, 900, 2000, 4000, all 1953-64. (Part No: NAA10301)$38.95 [Show Picture]
(IH) 12 Volt Conversion Kit - Includes alternator, 12 volt resistor, wiring harness, brackets and instructions. For Model: H. (Part No: IHCALTH)$169.75 [Show Picture]
(IH) 12 Volt Conversion Kit - For M, Super M, Super H. Kit includes alternator with built-in regulator, Pulley, 12 volt resistor, wiring harness, brackets and instructions. (Part No: IHCALTM)$143.55 [Show Picture]
(JD) 12 Volt Conversion Kit - Converts 24 Volt systems to 12 Volts on 3010, 3020, 4010, 4020. Kit includes: New 12 Volt starter, Alternator, bracket, battery cables & wiring, solenoid, instructions. Note: converts use to a single 12volt battery. (Part No: TS-8000)$639.38 [Show Picture]
(MF) 12 Volt Conversion Kit - 12 Volt Conversion For TO30 ONLY. (Includes alternator with built-in regulator, 12 volt resistor, wiring harness, brackets and instructions) (Part No: TO30ALT12V)$154.99 [Show Picture]
(MF) 12 Volt Conversion Kit - 12 Volt Conversion For TO20. (Includes alternator with built-in regulator, 12 volt resistor, wiring harness, brackets and instructions) (Part No: TO20ALT12V)$154.99 [Show Picture]
(MF) Alternator Base Bracket - Base bracket used in 12 volt conversion kit. For Model: TO20. Hardware kit available as p n HDW9302. (Part No: GFD9315)$18.95 [Show Picture]
(MF) Alternator Base Bracket - Base bracket used in 12 volt conversion kit. For Model: TO30. Hardware kit available as p n HDW9302. (Part No: GFD9309)$13.50
(MF) Alternator Hardware Kit - Hardware for brackets in 12 volt conversion kits. For Models: TO20, TO30. (Part No: HDW9302)$4.50 [Show Picture]
(MF) Alternator Top Bracket - Adjustable top bracket used in 12 volt conversion kit. For Model: TO20. Hardware kit available as p n HDW9302. (Part No: GFD9314)$18.95 [Show Picture]
(MF) Alternator Top Bracket - Adjustable top bracket used in 12 volt conversion kit. For Model: TO30. Hardware kit available as p n HDW9302. (Part No: GFD9310)$11.95
(MF) Wiring Harness, 12 Volt Conversion Kit - Wiring harness for 12 volt conversion kits. For Models: TO20. (Part No: AKT9205)$15.00 [Show Picture]

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YESTERDAY's TRACTORS has been a leading tractor parts supplier on the internet since 1995. Join thousands of happy customers who have purchased parts and more for their antique tractor from us!

We carry tractor parts and manuals for: Allis Chalmers, Case, Farmall, Ferguson, Ford, Fordson, International, International Harvester, John Deere, Massey Ferguson, Massey Harris, Oliver, and more. We can supply 3 Point Hitch parts, Alternators, Battery Accessories, Bearings, Belt-fan, Generator & Alternator, Brake Parts, Carburetor Repair Kits, Coils, Decals, Fenders, Generators, Hydraulic Cylinders, Ignition Kits, Manifolds, Mufflers, Paint, PTO Clutches, Radiators, Seals & Gaskets, Starter Drives, Starters, Tie Rod Ends, Tractor Gas Tanks, Tractor Seats, Water Pump Repair Kits, Water Pumps, Wheel Bearing Kits and much more. [ Products List ]

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