Piston Rod
KP - Clamp Pony Rod to Piston Rod
- Catalogue reference number
- KP-280
- Catalogue brand
- Kerr
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 3.00 lb (≈ 1.36 kg, converted) |
| Width | （无） |
| Height | （无） |
| Depth | （无） |
Catalogue description records
This is the clamp that joins the pony rod to the piston rod in the reciprocating drive train of a piston pump, holding the two rods in line so the crosshead motion is transmitted cleanly into each pumping stroke. It is an aftermarket replacement for Kerr KP-280 and fits the JT40, KP-3300PT and T30M pumps. Unit weight is about 3 lb.
A piston rod connects the crosshead in the power end to the piston in the fluid end, transmitting the reciprocating motion that drives each pumping stroke.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this pony-rod-to-piston-rod clamp fit?
- It is listed to fit the JT40, KP-3300PT and T30M piston pumps.
- What does this clamp do in the pump?
- It couples the pony rod (the intermediate rod that passes through the oil-seal housing between power end and fluid end) to the piston rod, keeping them aligned as the assembly reciprocates.
- What reference part number does it replace?
- It is an aftermarket replacement for Kerr part KP-280; the brand and number are given for identification only and do not imply OEM manufacture.
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