Part identification
Reference numbers
Search with or without hyphens. Match the complete number on the original part.
5 verified product photos · Select a thumbnail to change the main image.
Starter Motors
12V Excavator Starter Motor 4TNV94 4TNV98 OEM 129953-77019
OEM / reference129953-77019 129953-77019 · 4TNV94 4TNV98
Specification12V
Catalog ID53214379
12V reference 129953-77019 129953-77019. Compatibility references include Make: Komatsu · Model: WB140-2 · Year: 1999-2006 · Engine: L4 4.4L 4412cc 269cid Komatsu S4D106, Make: Komatsu · Model: WB140-2 · Year: 1999-2006 · Engine: L4 4.4L 4412cc 269cid S4D106, Make: Komatsu · Model: WB140-2N · Year: 2000-2007 · Engine: L4 4.4L 4412cc 269cid Komatsu S4D106 and 23 additional models listed below. Compare the part number, connector layout, mounting points and the original unit before ordering; machine serial range can affect fitment.
- OEM
- 129953-77019 129953-77019
- Feature
- Starter Motor
- VDC
- 12V
- Technical Specification
- 3.0kW/12 Volt, CW, 9-Tooth Pinion
- Design
- OSGR
- Voltage
- 12
- Power
- 3.0
- Rotation
- CW
- Pinion Teeth
- 9
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Product summary
12V
- Category
- Starter Motors
- Catalog ID
- 53214379
- Photo views
- 5
Before ordering
Confirm these details
- Confirm voltage and power rating against the original starter nameplate.
- Compare mounting-hole pattern, flange position and overall body orientation.
- Confirm pinion tooth count and rotation where those values are specified.
- Verify the engine model and machine serial range before ordering.
Machine fitment
Compatible model references
26 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
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