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Home/Inventory/Additional transformers/Waukesha 10/12.5/15 MVA at 55 C rise; 11.2/14/16.8 MVA at 65 C rise
Equipment inquiry

Waukesha 10/12.5/15 MVA at 55 C rise; 11.2/14/16.8 MVA at 65 C rise
138 kV / 24.94 kV transformer inquiry for sale

138 kV high side / 24.94 kV low side

Equipment photographs & nameplate documents

Reference approval drawings for the named serials. Final unit records, condition and availability are confirmed on inquiry. Select an image to view it full size.

Waukesha approval outline · GT-05437 / GT-05442
Waukesha approval outline · GT-05437 / GT-05442

Equipment specifications

Manufacturer
Waukesha
Application
Transformer inquiry
Power rating
10/12.5/15 MVA at 55 C rise; 11.2/14/16.8 MVA at 65 C rise
High-side voltage
138 kV
Low-side voltage
24.94 kV
Listed quantity
On request
Manufacture year
On request
Tap changer
Confirm with technical package
55°C rise ratings
10 / 12.5 / 15 MVA
65°C rise ratings
11.2 / 14 / 16.8 MVA
High side
138 kV delta
Low side
24.94 kV grounded wye (14.4 kV phase-to-neutral)
Phase / frequency
3-phase / 60 Hz
Cooling
ONAN / ONAF / ONAF
Tap changing
LTC; HV de-energized taps also shown
Documented serials
GT-05437 / GT-05442

Equipment overview

Waukesha 138/24.94 kV transformer design with three cooling ratings up to 15 MVA at 55°C rise or 16.8 MVA at 65°C rise. The approval drawings identify serials GT-05437 and GT-05442 and specify on-load tap changing.

Reference approval drawings for the named serials. Final unit records, condition and availability are confirmed on inquiry.

Freight and delivery scope quoted on request.

Listing details

Waukesha 138/24.94 kV transformer design with three cooling ratings up to 15 MVA at 55°C rise or 16.8 MVA at 65°C rise. The approval drawings identify serials GT-05437 and GT-05442 and specify on-load tap changing.

Winding connections, secondary options, included accessories, and tap-changer details must be checked against the unit-specific nameplate and drawings. The description above preserves the listed configuration.

Plan the purchase and delivery

Review the transformer procurement checklist, the technical documentation guide, and delivery planning requirements.

Looking for a different unit? Browse new & unused inventory and pre-owned transformers, or ask about additional sourcing options.

Request the technical package

Ask our team for the records available for this equipment and confirmation of its current status.

  • Nameplate & winding diagram
  • General arrangement drawings
  • Equipment photographs
  • Factory or field test reports
  • Condition & service history
  • Dimensions & shipping weights

Document availability varies by unit. Pricing, location, lead time, warranty, and delivery scope are provided with the quotation.

How do I confirm availability?

Email the equipment ID or call (248) 250-0407. Equipment is subject to prior sale. Current availability and allocation are confirmed in writing.

Can you coordinate transportation and installation?

Yes. We coordinate shipment preparation, oil services, heavy haul, rigging, placement, and qualified installation support as an agreed project scope. Explore full-service solutions.

What purchase and warranty options apply?

Terms depend on the equipment, condition, seller, and agreed scope. Review purchase options and request a unit-specific quotation.

Listing document

View the equipment one-pager as a PDF. You can download or print it from the PDF viewer.

View listing doc

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