HELAC ALTERNATIVE
HP125-S-RF-360-S1-C-H Rotary Actuator
Alternative rotary actuator for the Helac HP125-S-RF-360-S1-C-H, supplied for maintenance and aftermarket replacement on Atlas Boomer face-drill rigs.
Atlas part number
3128312645
Alternative rotary actuator for Helac HP125-S-RF-360-S1-C-H — also listed as L3D.
Independently supplied alternative — not an original Helac or Atlas part. Compatibility is verified before ordering.
At a glance
Quick reference
- Original model
- HP125-S-RF-360-S1-C-H
- Original brand
- Helac
- Type
- Rotary actuator
- Rotation
- 360°
- Weight
- 208 kg
- Original part no.
- 3128312645, L3D
Equipment reference
Known applications
Based on equipment records, this actuator is associated with the following Atlas Boomer face-drilling and development rigs. Confirmation against your machine build plate is recommended.
If your machine is not listed, send the full model and serial number — other builds may use the same actuator.
Confirmed data only
Technical specifications
| Product type | Hydraulic rotary actuator |
|---|---|
| Rotation angle | 360° |
| Unit weight | 208 kg |
| Further data | Torque, pressure, port and mounting dimensions are shared with the engineering drawing on request. |
HM alternative model — confirmed on inquiry. Send us your original model number, part number or machine details and we confirm the matching configuration, specifications and compatibility, then quote. The exact HM model is not published online.
Questions
Frequently asked questions
What does the HP125-S-RF-360-S1-C-H replace?+
It is the model code for a Helac helical rotary actuator providing 360° rotation in the 208 kg class. It is listed by Atlas under part numbers 3128312645, L3D. Our alternative is matched to the same rotation, 208 kg class and mounting interface.
How do I know this fits my machine?+
The same actuator is recorded on the Boomer M2d, Boomer XL3, Boomer 353, Boomer L2c, Boomer L2d. Before quoting we confirm the mounting face, port position and rotation against the tag and a photo of your unit, so the replacement matches your exact build.
Why is the exact HM model and price not shown?+
We confirm the HM model per inquiry after verifying the interface and operating parameters with you. This avoids shipping a part that looks right by model name but differs in mounting or rotation. Price is provided with that confirmed quote.
Request a check
Looking for an alternative to this model?
Send us the original model number, part number, machine model or a drawing. We check the available option and confirm specifications and compatibility for you.
- Original model / part number
- Machine brand & model
- Quantity & annual demand
- Mounting photo or drawing (if available)
Or email directly: hm@hmhydraulics.com