3750 kVA substation transformers, 67 kV delta to 12.47Y/7.2 kV

Substation transformerCondition not statedListing #2073Location on request

Year built
Not stated
In service
Not stated
Equipment no.
Not stated
Manufacturer
Various: GE, Hevi-Duty and others

Price and quote

Price on request7 available

Price for the equipment. Your quote adds testing and delivery to your site.

  • Tested before it ships, and you see the report first
  • Delivered to your site, with rigging and freight quoted up front
  • Confirmed with the seller before we quote
Drawing for illustration. Photos and the nameplate are available on request.

Specifications

Rating
3,750 kVA
Primary
67,000 V delta
Secondary
12,470Y/7,200 V
Full-load current
174 A at 12.47 kV calculated from its rating
Phase
3-phase
Taps
±2 × 2.5%
Tap changer
Two units marked with a load tap changer (one GE, the Pennsylvania)
Impedance
6.31% to 7.88% across the 7 units
Weight
29,875 to 57,000 lb
Fluid
Oil, 1,200 to 2,190 gal per unit
Makes
GE (3), Hevi-Duty (1), ITE (1), Moloney (1), Pennsylvania (1)

About this unit

Seven 67 kV station units with 12.47Y/7.2 kV secondaries in the stock of T&R Electric of Colman, South Dakota: three GE and one each from Hevi-Duty, ITE, Moloney and Pennsylvania, two of them marked with load tap changers. Each is listed with serial and impedance; no year or condition is given.

Listed October 18, 2026

More substation transformers

View all substation transformers