// IMG 1 OF 8

Specifications
| Output | 25 |
|---|---|
| Voltage | 24 |
| Type | Alternator |
| Design | IR/EF |
| Rotation | CW |
| Manufacturer | NIKKO |
| Pulley | V1 |
| Pulley groove OD | 0 |
| Lester number | 12251 |
| PIC code | 285-105 |
| Notes | The Main Difference Between Models of This Alternator is the Pulley Used. Often the Pulley Will Not Be Included With the Alternator, and Must Be Retained and Reused From the Core. |
Confirmed fitment
Verified applications from the ePartsGlobal catalog. If your engine isn't listed, send us the OEM part number and we'll cross-reference it.
| Make | Model | Engine | Years | Application |
|---|---|---|---|---|
| Komatsu Crawler Excavator | PC200 6D105 Engine | — | 1986–1987 | Crawler Excavator · domestic |
| Komatsu Crawler Excavator | PC200 6D95 Engine | — | 1986–1997 | Crawler Excavator · domestic |
| Komatsu Crawler Excavator | PC220 6D105 Engine | — | 1988–1995 | Crawler Excavator · domestic |
| Komatsu Crawler Excavator | PC220 6D95 Engine | — | 1988–1995 | Crawler Excavator · domestic |
| Komatsu Excavator | PC100 4D95 Engine | — | 1995–1997 | Excavator · domestic |
| Komatsu Excavator | PC100 6D95 Engine | — | 1986–1994 | Excavator · domestic |
| Komatsu Excavator | PC120 4D95 Engine | — | 1995–1997 | Excavator · domestic |
| Komatsu Excavator | PC120 6D108 Engine | — | 1995–1997 | Excavator · domestic |
| Komatsu Excavator | PC120 6D95 Engine | — | 1986–1994 | Excavator · domestic |
| Komatsu Excavator | PC60B 4D95 Engine | — | 1995–1997 | Excavator · domestic |
| Komatsu Excavator | PF3W 6D105 Engine | — | 1991–1995 | Excavator · domestic |
| Komatsu Excavator | PF3W 6D95 Engine | — | 1991–1995 | Excavator · domestic |
| Komatsu Excavator | PF5 6D105 Engine | — | 1991–1995 | Excavator · domestic |
| Komatsu Excavator | PF5 6D95 Engine | — | 1991–1995 | Excavator · domestic |
| Komatsu Excavator | PW200 6D105 Engine | — | 1991–1995 | Excavator · domestic |
| Komatsu Excavator | PW200 6D95 Engine | — | 1991–1995 | Excavator · domestic |
| Komatsu Loader | WA40 4D95 Engine | — | 1986–1990 | Loader · domestic |
| Komatsu Loader | WA50 4D95 Engine | — | 1991–1994 | Loader · domestic |
| Komatsu Motor Grader | GD200 4D105 Engine | — | 1986–1991 | Motor Grader · domestic |
| Komatsu Motor Grader | GD300 4D105 Engine | — | 1986–1991 | Motor Grader · domestic |
| MQ Generator | DCA-125SSJU | — | 1997–2002 | Generator · domestic |
| Komatsu | PC60B | — | 1995–1997 | domestic |
| Komatsu | PF3W | — | 1991–1995 | domestic |
| Komatsu | PF5 | — | 1991–1995 | domestic |
| Komatsu | PW200 | — | 1988–1995 | domestic |
| Komatsu | PC60B | 4D95 | 1995–1997 | domestic |
| Komatsu | PF3W | 6D105 | 1991–1995 | domestic |
| Komatsu | PF3W | 6D95 | 1991–1995 | domestic |
| Komatsu | PF5 | 6D105 | 1991–1995 | domestic |
| Komatsu | PF5 | 6D95 | 1991–1995 | domestic |
| Komatsu | PW200 | 6D105 | 1991–1995 | domestic |
| Komatsu | PW200 | 6D95 | 1991–1995 | domestic |
| Komatsu | D20-6 | — | 1991–1994 | domestic |
| Komatsu | D20A | — | 1991–1994 | domestic |
| Komatsu | D20P | — | 1991–1994 | domestic |
| Komatsu | D20S | — | 1991–1994 | domestic |
| Komatsu | D21A | — | 1991–1994 | domestic |
| Komatsu | D21P | — | 1991–1994 | domestic |
| Komatsu | D21S | — | 1991–1994 | domestic |
| Komatsu | D40AM-5 | — | 2000–2000 | domestic |
| Komatsu | D40P-5 | — | 1991–1999 | domestic |
| Komatsu | D40PF-5 | — | 2000–2000 | domestic |
| Komatsu | D41P-5 | — | 1991–1994 | domestic |
| Komatsu | EC260Z | — | 1991–1997 | domestic |
| Komatsu | EG150A-L-1 | — | 1986–2000 | domestic |
| Komatsu | EG150B-5 | — | 1995–2005 | domestic |
| Komatsu | EG150B-L-1 | — | 2000–2010 | domestic |
| Komatsu | EG150L-1 | — | 2000–2010 | domestic |
| Komatsu | EG185B-L-1 | — | 2000–2010 | domestic |
| Komatsu | EG220B-2 | — | 1995–2005 | domestic |
| Komatsu | EG220B-L-2 | — | 2000–2010 | domestic |
| Komatsu | EG220L-2 | — | 2000–2010 | domestic |
| Komatsu | FD100E | — | 1995–1997 | domestic |
| Komatsu | FD100E-5 | — | 1995–2005 | domestic |
| Komatsu | FD180 | — | 1986–1994 | domestic |
| Komatsu | FD200E | — | 1986–1994 | domestic |
| Komatsu | FD250 | — | 1986–1994 | domestic |
| Komatsu | FD250E | — | 1986–1994 | domestic |
| Komatsu | FD280 | — | 1986–1994 | domestic |
| Komatsu | FD400 | — | 1986–1994 | domestic |
| Komatsu | FD400E | — | 1986–1994 | domestic |
| Komatsu | FD70 | — | 1986–1994 | domestic |
| Komatsu | PC128US-2 | — | 2006–2008 | domestic |
| Komatsu | PC130-7 | — | 2004–2012 | domestic |
| Komatsu | PC180-3 | — | 2000–2010 | domestic |
| Komatsu | PC200LC-6 | — | 1995–2005 | domestic |
| Komatsu | PC310 | — | 1991–1995 | domestic |
| Komatsu | PC400 | — | 1986–1997 | domestic |
| Komatsu | PC400-3 / PC400-3A | — | 2000–2010 | domestic |
| Komatsu | PC410 | — | 1991–1995 | domestic |
| Komatsu | PC60-6 | — | 2000–2010 | domestic |
| Komatsu | PC60EN-7 | — | 2000–2010 | domestic |
| Komatsu | PC70-6 | — | 1991–1996 | domestic |
| Komatsu | PC70-7 | — | 1997–2004 | domestic |
| Komatsu | PC75EN-3 | — | 2000–2010 | domestic |
| Komatsu | PC75UU-3 | — | 1999–2002 | domestic |
| Komatsu | PC78MR-6 | — | 2003–2009 | domestic |
| Komatsu | PC78US-5 | — | 2000–2003 | domestic |
| Komatsu | PC78US-6 | — | 2002–2010 | domestic |
| Komatsu | PC78UU-6 | — | 2004–2010 | domestic |
| Komatsu | PC90-1 | — | 2000–2010 | domestic |
| Komatsu | PW210-1 | — | 2000–2010 | domestic |
| Komatsu | WA100 | — | 1987–1990 | domestic |
| Komatsu | WA150 | — | 1986–1996 | domestic |
| Komatsu | WA80-3 | — | 2006–2008 | domestic |
| Komatsu | WR11 | — | 1991–2001 | domestic |
Cross-reference
OEM and aftermarket part numbers that interchange with this unit, from the ePartsGlobal catalog.
WAI New12251N-1G
Komatsu600-821-6110, 600-821-6120, 600-821-6130, 600-821-6140, 600-821-6150, 600-821-6160
Komatsu RemanufacturedRKD25A04
Lester12251
Nikko0-33000-5860, 01-33-2000





