3750 kVA substation transformers, 12 kV delta to 4.16Y/2.4 kV

Substation transformerCondition not statedListing #2581Location on request

Year built
Not stated
In service
Not stated
Serial no.
2651569, 2651570, E-690863-A and E-690863-B
Manufacturer
Various: Allis-Chalmers and GE

Price and quote

Price on request4 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
12,000 V delta
Secondary
4,160Y/2,400 V
Full-load current
520 A at 4.16 kV calculated from its rating
Phase
3-phase
Taps
±2 × 2.5%
Impedance
5.58% to 5.70% across the 4 units
Weight
21,100 to 32,900 lb
Fluid
Oil, 790 to 987 gal per unit
Makes
Allis-Chalmers (2), GE (2)

About this unit

Four station units for 12 kV to 4.16 kV service in the stock of T&R Electric of Colman, South Dakota, from Allis-Chalmers and GE, each listed by record number with serial, impedance, weight and oil volume. Each pair carries consecutive serials. The table gives no year or condition for any unit.

Listed October 18, 2026

More substation transformers

View all substation transformers