Compatible with DAEWOO, HITACHI, ISUZU, JOHN DEERE, KIOTI, LUCAS, MAHINDRA, YANMAR, Atlas Copco. Please verify your OEM part number from your original unit to help ensure fitment. Replaces: Oem Part Numbers: / Lr140-721 / Lr140721 (Hitachi) / Lr140-721B / Lr140721b (Hitachi) / Am878581 (John Deere) / Lra01950 (Lucas) / 129612-77230 / 12961277230 (Yanmar) / 8972012810 (Isuzu) / 8972283180 (Isuzu) / Specifications: / Voltage: 12V / Amperage: 40A / Rotation: Cw (Clockwise) / Fan: Internal / Regulator: Internal / Pulley: V-Belt, 1 Groove / Regulator Clock: 12:00 / Polarity: Negative / Mounting: M8-1.25 Threaded / 8.3Mm Applications: Atlas Copco: / Atlas Copco Qas18 Comp/Generator 4Tne88 Yanmar Diesel - 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 / Daewoo: / Daewoo Dsl801 Skid Steer 3Tn100 Yanmar Diesel - 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 / Isuzu: / Isuzu 4Jd1 Industrial Engine - 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 / John Deere Engines: / John Deere 3012 Applications: Engines: / John Deere 3012 Engine / John Deere 3015 Engine / John Deere 4020 Engine / ... Alternator - Voltage: 12V Amperage: 40 Amps Fan: Internal Regulator: Internal Pulley: V Belt Grooves: 1 Country Of Origin: CN Source: Aftermarket 12V 40 Amp Alternator for Atlas Copco, Daewoo, Isuzu, and John Deere Industrial Diesel Engines
Direct replacement 12V 40 Amp alternator with Hitachi design for Atlas Copco generators, Daewoo skid steers, Isuzu industrial engines, and John Deere engines. Internal fan, internal regulator, V-belt single groove pulley, clockwise rotation. Features M8-1.25 threaded and 8.3mm unthreaded mounting ears with 87mm lead wire.

OEM PART NUMBERS:
Hitachi: LR140-721, LR140-721B
John Deere: AM878581
Yanmar: 129612-77230
Lucas: LRA01950
Isuzu: 8972012810, 8972283180

SPECIFICATIONS:
Voltage: 12V
Amperage: 40A
Rotation: Clockwise (CW)
Fan: Internal
Regulator: Internal
Pulley: V-Belt, 1 Groove
Regulator Clock: 12:00
Polarity: Negative
Mounting Ear 1: M8-1.25 Threaded
Mounting Ear 2: 8.3mm Unthreaded
Lead: 87mm
Weight: 8.55 lbs / 3.89 kg

APPLICATIONS:
Atlas Copco QAS18 Generator 4TNE88 Diesel (1997-2007)
Daewoo DSL801 Skid Steer 3TN100 Diesel (1997-2007)
Isuzu 4JD1 Industrial Engine (1989-2007)
John Deere Engines 3012, 3015, 4020

⚠️ Verify OEM part number from your original unit before ordering.