Pump, Piston (Unit)
SC-35 HDD Piston Pump (51 GPM @ 1500 PSI)
- Catalogue reference number
- 06124A004
- Catalogue brand
- Aplex
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Catalogue model references
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Catalogue specification records
| Original field | Recorded value |
|---|---|
| Flow | 51 GPM |
| Pressure | 1500 PSI |
| Weight | 300 lb (≈ 136.08 kg, converted) |
| Width | 2.31 in / 5.9 cm |
| Height | 2.31 in / 5.9 cm |
| Depth | 3.00 in / 7.6 cm |
Catalogue description records
The SC-35 HDD Piston Pump (part 06124A004) is a complete reciprocating piston pump unit rated at 51 GPM at 1500 PSI. The "HDD" designation indicates it is configured for horizontal directional drilling service. This unit corresponds to the SC-35 model and weighs about 300 lb. It is offered by Aplex as an aftermarket reference cross-referenced to part number 06124A004; the brand and number are used for identification only and do not imply factory manufacture.
This is a complete reciprocating piston pump unit; the listed rating describes its published flow and pressure capacity.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- What are the flow and pressure ratings of the SC-35 HDD pump?
- It is rated at 51 GPM at 1500 PSI and corresponds to the SC-35 model.
- What does "HDD" mean in the model name?
- HDD stands for horizontal directional drilling; the pump is configured for that drilling-fluid service.
- What part number does this pump cross-reference to?
- It cross-references to Aplex part number 06124A004 and is offered as an aftermarket reference rather than an OEM-manufactured unit.
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