Compatible with BOSCH, JOHN DEERE. Please verify your OEM part number from your original unit to help ensure fitment. Replaces: Oem Part Numbers: / Bosch: 0-124-315-030, 0-124-315-042 / John Deere: Re509648, Re529377, Se501831 / Specifications: / Voltage: 12V / Amperage: 70A / Type: Bosch / Regulator: Internal / Fan: Internal / Pulley: Serpentine 6-Groove / Polarity: Negative / Regulator Clock: 3:00 / B+ Terminal: M8-1.25 / Connector: 2-Blade Plug / Mounting: 4 Ears (2X M8-1.25 Threaded, 2X 8.5Mm Unthreaded) / Weight: 14.1 Lbs / 6.41 Kg / Condition: New / Application: / Applications: Farm Tractors — 5025 Series: / 5225 Powertech 56Hp Diesel (2005-2008) / 5325/5325N Powertech 67Hp Diesel (2005-2008) / 5425/5425N Powertech 81Hp Diesel (2005-2008) / 5525/5525N Powertech 91Hp Diesel (2005-2008) / Utility Tractors — 4020 Series: / 4120 4024T 43Hp Diesel (2004-2009) / 4320 4024T 48Hp Diesel (2004-2009) / 4520 4024T 53Hp Diesel (2004-2009) / 4720 4024T 58Hp Diesel (2004-2009) / Wheel Loaders: / 244J 4024T 2.4L 59Hp Diesel (2004+) / Applications: 59Hp Diesel (2004+) / 304J 5030T 3.1L 73Hp Diesel (2004+) / / Skid Steer Loaders: / 325 5030T 70Hp (2000-2004) / 328 5030Tw 76Hp (2005+) / 332 5030Hw 85Hp (2005+) / 313/315 4024T 49Hp (2007+) / 317/320 (Bosch System) / / Compact Track Loaders: / Ct315 2.4L 49Hp Diesel / Ct322 2.4L 66Hp Diesel / Ct332 3.1L 82Hp Diesel / / Note: Verify Oem Part Number From Your Original Unit Before Ordering To Ensure Proper Fitment. / ... Alternator - Voltage: 12V Amperage: 70 Amps Fan: Internal Regulator: Internal Pulley: Serpentine Grooves: 6 Country Of Origin: CN Source: Aftermarket OEM PART NUMBERS:
Bosch: 0-124-315-030, 0-124-315-042
John Deere: RE509648, RE529377, SE501831

SPECIFICATIONS:
Voltage: 12V / Amperage: 70A
Type: Bosch / Regulator: Internal / Fan: Internal
Pulley: Serpentine 6-Groove
Polarity: Negative / Regulator Clock: 3:00
B+ Terminal: M8-1.25 / Connector: 2-Blade Plug
Mounting: 4 Ears (2x M8-1.25 Threaded, 2x 8.5mm Unthreaded)
Weight: 14.1 lbs / 6.41 kg / Condition: New

APPLICATIONS:
5225/5325/5325N/5425/5425N/5525/5525N PowerTech Tractor (2005-2008)
4120/4320/4520/4720 Utility Tractor 4024T (2004-2009)
244J/304J Loader (2004+)
325/328/332 Skid Steer (2000-2005)
313/315/317/320 Skid Steer (2007+)
CT315/CT322/CT332 Track Loader

⚠️ Verify OEM part number from your original unit before ordering to ensure proper fitment.

12V 70 Amp Alternator — 4120 4320 4520 4720 Tractor Skid Steer
Replacement 12-volt 70-amp alternator for utility tractors and industrial equipment. Bosch-type design with serpentine 6-groove pulley, internal fan, and internal voltage regulator. The 3:00 clock position and M8-1.25 B+ terminal with 2-blade plug ensure factory-match installation. Four mounting ears with threaded and unthreaded holes match original bolt pattern. Fits 4120 43HP, 4320 48HP, 4520 53HP, and 4720 58HP utility tractors with 4024T engines. Also covers 5225 through 5525 farm tractors with PowerTech engines, 313, 315, 317, 320, 325, 328, 332 skid steers, 244J and 304J loaders, and CT315, CT322, CT332 track loaders. Weighs 14.1 lbs. Replaces Bosch 0-124-315-042 and RE509648.