Piston Rod Clamp for Kerr KT-3350PT/KA-3500PT
This Piston Rod Clamp is a part for Kerr reciprocating pumps used on horizontal directional drilling (HDD) and trenching equipment. It clamps onto the piston rod, which connects the power end to the piston in the fluid end and transmits the reciprocating motion that drives each pumping stroke. It fits a range of Kerr models, including the JT7020, KA-3500PT, KT-3350PT, KT-3400PT, T-35, T-40, T50 and T50-PT, and weighs about 0.83 lb. This is an aftermarket replacement part offered as a substitute for Kerr SKU KA-280; the brand and part number are listed for identification and cross-reference only and do not indicate OEM manufacture.
What it is
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.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 0.83 lb (≈ 0.38 kg, converted) |
| Width | 7.0 cm |
| Height | 7.0 cm |
| Depth | 2.4 cm |
Manufacturer technical notes
Piston Rod Clamp for Kerr KT-3350PT/KA-3500PT (SKU:KA-280) API 7K-certified 35CrMo alloy steel forging, quenched+tempered (tensile strength ≥900MPa), precision-machined tolerance ±0.001", compatible with Kerr KT-3350PT/KA-3500PT mud pumps for reliable power-end to hydraulic-end linkage.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Kerr KA-280.
FAQ
- Which pumps does this piston rod clamp fit?
- It fits Kerr JT7020, KA-3500PT, KT-3350PT, KT-3400PT, T-35, T-40, T50 and T50-PT pumps.
- What does a piston rod clamp do?
- It clamps onto the piston rod, the part that connects the power end to the piston in the fluid end and transmits the reciprocating pumping motion.
- Which part number does this replace?
- It is an aftermarket replacement for Kerr SKU KA-280. The brand and number are used for cross-reference only.
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.
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