| EMD GT26 Series |
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| Type and origin |
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| Power type | Diesel–electric |
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| Builder | Various licencees from Electro-Motive Division (see models below) |
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| Model | GT26CW, GT26CWP, GT26CW-2, GT26CW-2A, GT26CW-2B, GT26HCW-2, GT26MC, GT26CU-2, GT26CU-MP, GT36CW, GT36HCW, GT36CU-MP |
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| Build date | October 1967 - 2017 |
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| Total produced | 1,387 |
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| Specifications |
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Configuration:
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| • AAR | C-C |
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| • UIC | Co′Co′ |
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| • Commonwealth | Co-Co |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) or
3 ft 6 in (1,067 mm) or
1,000 mm (3 ft 3+3⁄8 in) |
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| Trucks | 6-Wheel |
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| Wheel diameter | 40 in (1,000 mm) |
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| Minimum curve | 24° |
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| Wheelbase | 11 ft 11 in (3,630 mm) between axles in each truck |
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| Pivot centres | 41 ft 0 in (12,500 mm) between truck centers |
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Length:
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| • Over couplers | 64 ft 0 in (19,510 mm) |
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| Width | 9 ft 3 in (2,820 mm)) over the grabirons |
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| Height | 12 ft 5.65 in (3,801.1 mm) |
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| Loco weight | 105.51 t (103.84 long tons; 116.30 short tons) |
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| Fuel type | Diesel |
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| Fuel capacity | 1,600–3,200 US gal (6,100–12,100 L; 1,300–2,700 imp gal) |
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| Lubricant cap. | 243 US gal (920 L; 202 imp gal) |
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| Coolant cap. | 295 US gal (1,120 L; 246 imp gal) |
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| Sandbox cap. | 9 ft3 (250 L) |
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| Prime mover | EMD 16-645E, 16-645E3B, 16-645E3C & 16-645F3 (2 Stroke V Engine design) |
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| RPM: | |
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| • RPM idle | 316 |
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| • Maximum RPM | 904 |
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| Engine type | V16 diesel engine |
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| Aspiration | Turbocharged |
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| Alternator | GM D18 |
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| Generator | Main: GM - AR6
Auxilary: Delco A8102 |
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| Traction motors | GM - D77 (6) |
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| Cylinders | 16 |
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| Cylinder size | 9.02 in (229 mm) x 10 in (250 mm) |
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| Gear ratio | 62:15 |
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| MU working | Yes |
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| Train heating | Vapor Clarkson Boiler #4625 (@ 2,500 lbf (1,100 kgf)/hr) |
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| Train brakes | Westinghouse 24RL (Air Brake) |
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| Performance figures |
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| Maximum speed | 65–93 mph (105–150 km/h) |
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| Power output | 2,700–3,300 hp (2,000–2,500 kW) |
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Tractive effort:
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| • Starting | 46,750 lbf (21,210 kgf) @ 25% |
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| • Continuous | 43,120 lbf (19,560 kgf) @ 12 mph (19 km/h) |
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| Career |
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| Operators | Various |
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| Nicknames | "Karavela" (Yugoslavia)
"특대 :(The Great Giant)" (South Korea) |
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| Locale | Algeria, Australia, Iran, Israel, Morocco, Nigeria, Pakistan, Peru, South Africa, South Korea, Sudan, Turkey, Yugoslavia and Zimbabwe. |
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The EMD GT26 Locomotive Series made their debut in 1967 after the rise in popularity of the American EMD SD40. Designed to meet most First World, Second World and Third World countries, the GT26 Series were now equipped with a turbocharged high horsepower EMD 645 Series engine as well as six axle HT-C trucks to provide better traction effort at slow speeds. Based on customer input, the GT26 Series would be defined by various designations that suit the customer's railway operations.
The standard suffix after the GT26 designation was the use of six-axle trucks (C); following the C designation, the customer had the option to purchase specific traction motors to fit Narrow Gauge (U) or Broad Gauge (W) rails. It was also around the mid 1970s that customers began to purchase EMD Dash 2 electronics to simplify maintenance.
The GT26 designation can freely apply to the designs of any EMD export model or a licensee of EMD as long as the electrical and mechanical gear were left unaltered.