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12V Starter 129136-77011 129400-77012 For Yanmar 4TN78 4TN82 Komatsu PC35 PC50
$284.39
Sale price
$284.39
Regular price
Available to Order
This 12V Starter is a high-quality aftermarket replacement part compatible with Yanmar 4TN78 4TN82, Komatsu PC35 PC50 and matches OEM Part# 129136-77011, 129400-77012.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This heavy-duty 12V starter is designed for industrial applications involving Yanmar engines and Komatsu compact excavators. It delivers reliable cranking power to ensure equipment starts efficiently every time, even in demanding job site environments.
Key Features & Performance
- High Torque Delivery: Engineered to provide powerful rotation for diesel engine ignition.
- Robust Internal Components: Features high-grade materials to minimize electrical resistance and heat buildup.
- OEM Fitment: Designed as a direct drop-in replacement for a hassle-free installation process.
- Long-Term Reliability: Built to withstand the vibrations and rigors of heavy machinery use.
Fitment & Compatibility
- Yanmar Engines: 4TN78, 4TN82
- Komatsu Excavators: PC35, PC50
Technical Specifications
- Voltage: 12V
- Part Number(s): 129136-77011, 129400-77012
Frequently Asked Questions
- Q: Does this unit come ready for installation? A: Yes, this is a fully assembled starter motor and solenoid unit ready for direct installation.
- Q: How is fitment confirmed? A: Compare the original part number to the OEM numbers listed to ensure a precise match.
Compatibility may vary by serial number. Verify fitment before purchase.