Pony Rod
T640 Pony Rod
- Catalogue reference number
- Not recorded
- Catalogue brand
- Not recorded
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Original designation: 640 介杆G-T640PR
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue description records
This is a pony rod supplied as an aftermarket replacement part for the T640 mud pump. A pony rod, also called an intermediate rod, extends between the crosshead and the piston or plunger rod and passes through the oil-seal housing that separates the power end from the fluid end. The T640 model number and part reference are used for fitment identification only and do not imply original-equipment manufacture.
A pony rod (intermediate rod) extends between the crosshead and the piston or plunger rod, passing through the oil-seal housing that separates power end from fluid end.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which mud pump does this pony rod fit?
- It is supplied as an aftermarket replacement part for the T640 mud pump.
- What is a pony rod and where does it sit?
- A pony rod (intermediate rod) extends between the crosshead and the piston or plunger rod, passing through the oil-seal housing that separates the power end from the fluid end.
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