Caterpillar P/N 129-7988 / 121-1504, fitting Caterpillar excavator models 311B, 312B, 312B L, and E312, this high-performance K3V63DT hydraulic pump is designed for Caterpillar E312B machines, delivering reliable hydraulic flow, smooth control, and long-lasting durability for demanding earthmoving and construction applications across Australia.
A reliable, high-performance hydraulic pump for 13–15-tonne Caterpillar excavators, including the E312B. This dual-piston, open-circuit hydraulic pump delivers consistent flow and pressure for smooth, efficient operation in earthmoving and construction applications. Built to handle demanding job sites, it offers excellent durability, serviceability, and long-term performance.
Why choose Atlas Hydraulic?
Fully tested in-house with strict quality assurance
Aftermarket pump options available
Expert rebuild, servicing, and diagnostic support
Fast Australia-wide delivery from our VIC warehouse
Backed by over 30 years of hydraulic industry experience
| Colour | Yellow |
|---|---|
| Displacement | 62.9 ml/r |
| Dimensions | 61 * 19 * 29 cm |
| Direction | R |
| Excavator Capacity | 13-15 Ton |
| Fits Caterpillar Excavator Models | 311B, 312B, 312B L, E312 |
| Part No. | Caterpillar P/n:129-7988 / 121-1504 |
| Control Type | Open |
| Rated Speed | 2000 r/min |
| Teeth | 14 |
| Weight | 96 kg |
The products listed on this website are supplied based on their specifications, model references, and compatibility requirements. Product names, brand names, model numbers, and part numbers are used solely for product identification and compatibility purposes. For further information about product specifications, compatibility, or availability, please contact our team.
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