Type 4 English Electric Type 4 (Class 40)
Type 4 North British Warship class diesel-hydraulic D600-D604 (Class 41)
Type 4 diesel-hydraulic locomotives (Class 42/43 Warship)
Type 4 Sulzer D1-D193 (Class 44/45/46)
Type 4 English Electric Type 4 D400-D449 (Class 50)
Type 4 diesel-hydraulic locomotives (Class 52)
