Yanmar Excavator Final Drives & Track Motors

The Complete Guide + Why Pro Construction Parts Leads the Market
When it comes to keeping your Yanmar excavator operating at peak performance, few components are as critical as the final drive (track motor). Whether you’re running a compact mini excavator or a larger machine, the final drive is responsible for converting hydraulic power into the torque that moves your tracks.
At Pro Construction Parts, we specialise in supplying premium-quality Yanmar excavator final drives and track motors, backed by deep industry expertise, global stock availability, and unmatched reliability.
Why the Final Drive Matters
The final drive is the heart of your excavator’s travel system. A failing or worn-out final drive can result in:
- Loss of power or tracking ability
- Unusual noises or grinding
- Oil leaks or contamination
- Complete machine downtime
Replacing your final drive with a high-quality, correctly matched unit is essential—not just for performance, but for protecting the rest of your machine.
Why Choose Pro Construction Parts?
1. Extensive Stock – UK & USA
We hold large inventories of Yanmar final drives and track motors in both the United Kingdom and the United States, allowing us to:
- Dispatch quickly
- Reduce downtime
- Support customers globally
2. Industry-Leading 2-Year Warranty
All our Yanmar-compatible final drives are supplied with a full 2-year warranty, giving you confidence in both performance and longevity.
3. Premium South Korean Manufacturing
Unlike many low-cost alternatives, our final drives are manufactured in South Korea, a region globally recognised for:
- Precision engineering
- High-quality materials
- Strict quality control
This ensures our products consistently outperform lower-grade Chinese-manufactured alternatives, particularly in durability and reliability.
4. Proven Reliability & Fitment
Our units are built to meet or exceed OEM specifications, ensuring:
- Direct fitment
- Smooth installation
- Long service life
Yanmar Excavator Models We Support
We supply final drives and track motors for a wide range of Yanmar excavators, including (but not limited to):
Mini Excavators
- Yanmar SV08
- Yanmar SV10
- Yanmar SV15
- Yanmar SV16
- Yanmar SV17
- Yanmar SV18
- Yanmar SV20
- Yanmar SV22
- Yanmar SV26
- Yanmar SV30
- Yanmar SV40
- Yanmar SV50
- Yanmar SV60
- Yanmar SV100
ViO Series (Zero Tail Swing)
- Yanmar ViO10
- Yanmar ViO12
- Yanmar ViO15
- Yanmar ViO17
- Yanmar ViO20
- Yanmar ViO25
- Yanmar ViO30
- Yanmar ViO35
- Yanmar ViO50
- Yanmar ViO57
- Yanmar ViO80
B-Series
- Yanmar B08
- Yanmar B12
- Yanmar B15
- Yanmar B17
- Yanmar B22
- Yanmar B25
- Yanmar B27
- Yanmar B30
- Yanmar B37
- Yanmar B50
Common Yanmar Final Drive Part Numbers
We supply replacements for a wide range of OEM part numbers, including:
- 172A46-73300
- 172A46-73301
- 172A46-73302
- 172A46-73303
- 172A46-73304
- 172A46-73305
- 172A46-73306
- 172A46-73307
- 172A46-73308
- 172A46-73309
- 194163-73500
- 194163-73501
- 194163-73502
- 194163-73503
- 198119-73600
- 198119-73601
- 198119-73602
- 227A46-74000
- 227A46-74001
(Note: Availability varies by model—contact us to confirm exact compatibility.)
Signs You Need a Replacement Final Drive
If you’re experiencing any of the following, it may be time to replace your track motor:
- One track moving slower than the other
- Clicking, grinding, or knocking noises
- Hydraulic oil leaks around the drive
- Loss of torque or stalling under load
Acting early can prevent further damage and reduce repair costs.
What Sets Us Apart in the Market
At Pro Construction Parts, we don’t just sell parts—we provide solutions:
- Expert support to identify the correct unit
- Fast shipping from UK & US warehouses
- High-quality components built to last
- Competitive pricing without compromising quality
Our goal is simple: keep your machines running and your projects moving.
Final Thoughts
If you’re searching for Yanmar excavator final drives or track motors, choosing the right supplier is just as important as choosing the right part.
With extensive stock in the UK and USA, premium South Korean manufacturing, and a 2-year warranty, Pro Construction Parts is positioned as a trusted and reliable source for high-quality replacements.
Need Help Finding the Right Final Drive?
Contact Pro Construction Parts today with your:
- Machine model
- Serial number
- Part number (if available)
Our team will quickly match you with the correct final drive and get you back to work with minimal downtime.