PONY ROD PISTON PUMP TYPE TAPERED
This is a pony rod of the tapered, piston-pump type. The pony rod is the intermediate rod that extends between the crosshead and the piston rod, passing through the oil-seal housing that separates the power end from the fluid end; this version uses a tapered end. It is an aftermarket replacement part for Kerr part number KT275T, supplied to fit the KT-3350PT and JT7020 models. It weighs about 5.00 lb.
What it is
This is a complete reciprocating piston pump unit; the listed rating describes its published flow and pressure capacity.
Pump compatibility
- JT7020
- KT-3350PT
Specifications
| Property | Value |
|---|---|
| Weight | 5.00 lb (≈ 2.27 kg, converted) |
Manufacturer technical notes
Pony Rod Piston Pump Type Tapered (SKU: KT275T) API 11B-certified carbon steel (tensile strength ≥800MPa) with quenching+low-temperature tempering (HRC45-50), tapered design for stress optimization, compatible with API 7K mud pumps (e.g., Kerr KA-3500PT), salt spray test 500h corrosion-free, dynamic load longevity 5×10⁶ cycles.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Kerr KT275T.
FAQ
- Which pumps does this pony rod fit?
- It is configured to fit the KT-3350PT and JT7020 models.
- What does 'tapered' mean here?
- It refers to the rod's tapered end profile. The pony rod itself is the intermediate rod between the crosshead and the piston rod, passing through the oil-seal housing between the power end and the fluid end.
- What is the cross-reference part number?
- This is an aftermarket replacement part that cross-references to Kerr part number KT275T. The brand and number are for identification only and do not indicate OEM manufacture.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
Need a quote or part lookup? Contact our team.