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New Alternator for Yanmar 129240-77200 Denso 101211-1380 12V 40A
New 12V 40 Amp Alternator – Yanmar, Gehl, Mustang & Takeuchi Applications
Brand-new 12-volt, 40-amp replacement alternator for select Yanmar diesel engines used in Gehl, Mustang, and Takeuchi construction equipment.
Replaces Yanmar original equipment part number 129240-77200 and Denso part numbers 101211-1380 and 101211-1381.
This alternator features an internal voltage regulator, internal cooling fan, and single-groove solid pulley. Designed for select compact track loaders, skid steer loaders, and mini excavators equipped with Yanmar diesel engines.
PRODUCT FEATURES
- Brand-new alternator
- 12-volt electrical system
- 40-amp output
- Internal voltage regulator
- Internal cooling fan
- Single-groove solid pulley
- Negative-ground electrical system
- One-year warranty
TECHNICAL SPECIFICATIONS
Product Type:
Alternator
Voltage:
12V
Output:
40 Amps
Regulator:
Internal
Fan:
Internal
Regulator Clock Position:
12:00
Polarity:
Negative
Pulley Type:
Solid
Pulley Grooves:
1
Mounting Ear 1:
M8 × 1.25 Threaded
Mounting Ear 2:
10.4 mm Unthreaded
B+ Terminal:
M6 × 1.00
Weight:
7.46 lbs
Warranty:
1 Year
ORIGINAL EQUIPMENT PART NUMBERS
Yanmar: 129240-77200
Denso: 101211-1380, 101211-1381
ADDITIONAL INTERCHANGE NUMBERS
Alltech:
326-12772
American Power Systems:
APS12772
Atelier Dynamo:
A290-510
Bepco:
80-12772
Casco:
CAL40122AS, CAL40122GS
Elpar Industries:
022803693B
Lucas Electrical Europe:
LRA03547
Mondial:
60-915-00, 60-915-00N
PASCO:
A-1000510
Wood Auto Supplies:
ALT30157
EQUIPMENT APPLICATIONS
GEHL COMPACT TRACK LOADERS
- CTL60: Yanmar 4TNV98, 2004–2008
- CTL65: Yanmar 4TNV98, 2008–2011
- CTL75: Yanmar 4TNV98T, 2008–2013
- CTL80: Yanmar 4TNV106T, 2004–2008
- RT175: Yanmar 4TNV98, 2011–2016
- RT210: Yanmar 4TNV98, 2011–2016
GEHL SKID STEER LOADERS
- SL1640E: Yanmar 3TNV82, 2009–2021
- SL3640E: Yanmar 3TNV88, 2006–2017
- SL3840E: Yanmar 3TNV88, 2006–2017
- SL4240E: Yanmar 4TNV88, 2006–2014
- SL4640E II: Yanmar 4TNV98T, 2017–2021
- SL5240E II: Yanmar 4TNV98T, 2014–2019
- SL5640E: Yanmar 4TNV98T, 2015–2021
- SL6640E: Yanmar 4TNV98T, 2016–2021
- SLV270: Yanmar 4TNV98T, 2016–2022
- SLV330: Yanmar 4TNV98T, 2016–2022
MUSTANG COMPACT TRACK LOADERS
- 2100RT: Yanmar 4TNV98, 2011–2018
- MTL16: Yanmar 4TNV98, 2004–2008
- MTL25: Yanmar 4TNV106T, 2004–2008
- MTL316: Yanmar 4TNV98, 2009–2010
- MTL320: Yanmar 4TNV98T, 2009–2010
MUSTANG SKID STEER LOADERS
- 2076: Yanmar 4TNV98T, 2004–2012
- 2086: Yanmar 4TNV98T, 2004–2012
- 2700V: Yanmar 4TNV98T, 2009–2013
- 3300V: Yanmar 4TNV98T, 2012–2018
- MLT316: Yanmar 4TNV98T, 2008–2011
- MLT320: Yanmar 4TNV98T, 2008–2011
TAKEUCHI COMPACT TRACK LOADERS
- TL220: Yanmar 4TNV84T, 2008–2013
- TL230: Yanmar 4TNV98, 2008–2015
- TL240: Yanmar 4TNV98T, 2008–2015
TAKEUCHI MINI EXCAVATORS
- TB016: Yanmar 3TNV70, 1995–2006
- TB135: Yanmar 3TNV88, 1999–2012
- TB138FR: Yanmar 3TNE88, 2009–2020
- TB145: Yanmar 4TNE88, 2009–2020
- TB153FR: Yanmar 4TNV88, 2006–2020
- TB228: Yanmar 3TNV82A, 2009–2020
- TB230: Yanmar 3TNE88, 2009–2020
- TB235: Yanmar 3TNV88, 2008–2020
- TB250: Yanmar 4TNE88, 2008–2020
- TB53FR: Yanmar 4TNE88, 2001–2008
TAKEUCHI SKID STEER LOADERS
- TL130: Yanmar 4TNE88, 2001–2011
IMPORTANT FITMENT INFORMATION
Please verify your original alternator part number and compare the mounting configuration, electrical connections, and pulley arrangement before ordering.
Applications may vary depending on equipment serial number, engine configuration, and production date.





