- 2400/2450 Series DC Drive Repair
- 2600 Series DC Drive Repair
- 3120 Series DC Drive Repair
- 2200 Series DC Drive Repair
- 3130 Series DC Drive Repair
- 2330 Series DC Drive Repair
- 2230/2235/2240 Series DC Drive Repair
- 3135 Series DC Drive Repair
- 3300 Series DC Drive Repair
- 3150 Series DC Drive Repair
- 1044599 Series Field Regulator Repair
- 2350 Series DC Drive Repair
- 2255 Series DC Drive Repair
- 1060724 Series Field Regulator Repair