DRG Class E 44 DB Class 144/145 DR Class 244

Type and originPower typeElectricBuilderHenschel & Son, Krauss-Maffei, Lokomotivfabrik Floridsdorf, SSW (E 44.0), AEG, BMAG (E 44.5)Build date1930–1945 (E 44.0 originals), 1950–1965 (E 44.0 replicas and rebuilds), 1931–1935 (E 44.5)Total produced176 (E 44.0 originals), 13 (E 44.0 replicas and rebuilds), 9 (E 44.5)
Type and origin
Power typeElectric
Build date1930–1945 (E 44.0 originals), 1950–1965 (E 44.0 replicas and rebuilds), 1931–1935 (E 44.5)
Total produced176 (E 44.0 originals), 13 (E 44.0 replicas and rebuilds), 9 (E 44.5)
SpecificationsConfiguration:•UICBo′Bo′Gauge1,435mm (4ft8+1⁄2in)Wheel diameter1,250mm (4ft 1+1⁄4in)Wheelbase9,800mm (32ft 1+7⁄8in), 9,150 or 9,700mm (30ft 1⁄4in or 31ft 9+7⁄8in) (E 44.5) •Bogie3,500mm (11ft 5+3⁄4in), 3,300 or 3,400mm (10ft 9+7⁄8in or 11ft 1+7⁄8in) (E 44.5)Pivot centres6,300mm (20ft 8in), 5,640mm (18ft 6in) (E 44.5)Length:•Over buffers15,290mm (50ft 2in), 13,150 or 13,520mm (43ft 1+3⁄4in or 44ft 4+1⁄4in) (E 44.5)Width2,960mm (9ft 8+1⁄2in), 3,190mm (10ft 5+5⁄8in) (E 44.5)Height3,950mm (12ft 11+1⁄2in), 3,950 or 4,260mm (12ft 11+1⁄2in or 13ft 11+3⁄4in) (E 44.5)Axle load19.5t (19.2 long tons; 21.5 short tons), 19.8 or 19.9t (19.5 or 19.6 long tons; 21.8 or 21.9 short tons) (E 44.5)Service weight78.0t (76.8 long tons; 86.0 short tons), 79.2 or 79.6t (77.9 or 78.3 long tons; 87.3 or 87.7 short tons) (E 44.5)Electric system/s15kV 16+2⁄3Hz AC CatenaryCurrent pickupPantographTraction motorsnose-suspended, 4 offHead end power800/1000 V 16+2⁄3 Hz ACRunning steps15Running step switchmanual cam switch and resistorsMU workingpush-pull (E 44B, E 44G)Loco brakeAir (K-GP mZ), rheostatic (E 44W)Train brakesAir
Specifications
Configuration
Gauge1,435mm (4ft8+1⁄2in)
Wheel diameter1,250mm (4ft 1+1⁄4in)
Wheelbase9,800mm (32ft 1+7⁄8in), 9,150 or 9,700mm (30ft 1⁄4in or 31ft 9+7⁄8in) (E 44.5)
• Bogie3,500mm (11ft 5+3⁄4in), 3,300 or 3,400mm (10ft 9+7⁄8in or 11ft 1+7⁄8in) (E 44.5)
Pivot centres6,300mm (20ft 8in), 5,640mm (18ft 6in) (E 44.5)
Length
• Over buffers15,290mm (50ft 2in), 13,150 or 13,520mm (43ft 1+3⁄4in or 44ft 4+1⁄4in) (E 44.5)
Width2,960mm (9ft 8+1⁄2in), 3,190mm (10ft 5+5⁄8in) (E 44.5)
Height3,950mm (12ft 11+1⁄2in), 3,950 or 4,260mm (12ft 11+1⁄2in or 13ft 11+3⁄4in) (E 44.5)
Axle load19.5t (19.2 long tons; 21.5 short tons), 19.8 or 19.9t (19.5 or 19.6 long tons; 21.8 or 21.9 short tons) (E 44.5)
Service weight78.0t (76.8 long tons; 86.0 short tons), 79.2 or 79.6t (77.9 or 78.3 long tons; 87.3 or 87.7 short tons) (E 44.5)
Traction motorsnose-suspended, 4 off
Head end power800/1000 V 16+2⁄3 Hz AC
Running steps15
Running step switchmanual cam switch and resistors MU workingpush-pull (E 44B, E 44G) Loco brakeAir (K-GP mZ), rheostatic (E 44W) Performance figuresMaximum speed90km/h (56mph), 80 or 90km/h (50 or 56mph) (E 44.5)Power output:•1 hour2,200kW (2,950hp), 1,600kW (2,150hp) (E 44 501–505)•Continuous1,860kW (2,490hp)Tractive effort:•Starting196kN (44,000lbf)
Performance figures
Maximum speed90km/h (56mph), 80 or 90km/h (50 or 56mph) (E 44.5)
Power output
• 1 hour2,200kW (2,950hp), 1,600kW (2,150hp) (E 44 501–505)
• Continuous1,860kW (2,490hp)
Tractive effort
• Starting196kN (44,000lbf)
CareerNumbersE 44 001–175, 178 (E 44.0 originals) E 44 176, 177, 179–189 ( E 44.0 replicas and rebuilds) E 44 501–509 (E 44.5)RetiredDB: 1983/1984 DR: 1991Disposition21 preserved, remainder scrapped
Career
NumbersE 44 001–175, 178 (E 44.0 originals) E 44 176, 177, 179–189 ( E 44.0 replicas and rebuilds) E 44 501–509 (E 44.5)
RetiredDB: 1983/1984 DR: 1991
Disposition21 preserved, remainder scrapped