South African Class 35-200

South African Class 35-200

No. 35-294 at Electro, Pretoria West, 21 August 2007

Type and origin Power type Diesel-electric Designer General Motors Electro-Motive Division Builder General Motors Electro-Motive Division General Motors South Africa Serial number GM-EMD 712981-713005 GMSA 100-1 to 100-75, 102-1 to 102-50, 107-1 Model GM-EMD GT18MC Build date 1974-1976 Total produced 151

Specifications AAR wheel arr. C+C UIC class Co'Co' Gauge 3 ft 6 in (1,067 mm) Cape gauge Wheel diameter 915 mm (36 in) Wheelbase 12,675 mm (41 ft 7 in)  • Bogie 3,302 mm (10 ft 10 in) Pivot centres 9,627 mm (31 ft 7 in) Wheel spacing (Asymmetrical) 1-2: 1,562 mm (5 ft 1 in) 2-3: 1,740 mm (5 ft 9 in) Length: ​  • Over couplers 16,485 mm (54 ft 1 in) Width 2,819 mm (9 ft 3 in) Height 3,924 mm (12 ft 10 in) Axle load 13,720 kg (30,250 lb) Adhesive weight 82,320 kg (181,480 lb) Loco weight 82,320 kg (181,480 lb) max Fuel type Diesel Fuel capacity 3,400 litres (750 imp gal) Prime mover GM-EMD 8-645E3 RPM range 250-900  • RPM low idle 250  • RPM idle 315  • Maximum RPM 900 Engine type 2-stroke diesel Aspiration GM-EMD E-8 turbocharger Displacement 10.57 litres (645.0 cu in) Generator 8 pole GM-EMD D25 Traction motors Six GM-EMD D29CCBT DC 4 pole  • Rating 1 hour 485A  • Continuous 450A @ 15 km/h (9.3 mph) Cylinders V8 Gear ratio 57:16 MU working 4 maximum Loco brake 28-LAV-1 with vigilance control Train brakes Gardner-Denver ADJV-8400 compressor/exhauster Air reservoir cap 800 litres (180 imp gal) Compressor cap 0.021 m3/s (0.74 cu ft/s) Exhauster cap 0.098 m3/s (3.5 cu ft/s) Couplers AAR knuckle SASKOP DS

Performance figures Maximum speed 100 km/h (62 mph) Power output: ​  • Starting 1,195 kW (1,603 hp)  • Continuous 1,065 kW (1,428 hp) Tractive effort: ​  • Starting 201 kN (45,000 lbf) @ 25% adhesion  • Continuous 161 kN (36,000 lbf) @ 19 km/h (12 mph) Factor of adh.:  • Starting 25%  • Continuous 20% Loco brakeforce 65% ratio @ 345 kPa (50.0 psi) Dynamic brake peak effort 138 kN (31,000 lbf) @ 28 km/h (17 mph)

Career Operators South African Railways AECI, Modderfontein Spoornet Transnet Freight Rail PRASA CamRail Sudan Railways Ferrovia Centro Atlântico Ferrovia Sul Atlântico Class Class 35-200 Number in class 151 Numbers SAR 35-201 to 35-350, AECI 2 Delivered 1974-1976 First run 1974

External video

Spoornet Class 35-200 numbers 35-226 and 35-203, 5 October 2009 A pair of Class 35-200 GM-EMD GT18MC diesels enter Capital Park yard with a short MOW train. (36 seconds)

The South African Railways Class 35-200 of 1974 is a diesel-electric locomotive.

Between November 1974 and August 1976, the South African Railways placed one hundred and fifty Class 35-200 General Motors Electro-Motive Division type GT18MC diesel-electric locomotives in service. In 1975, one more Class 35-200 locomotive was built for AECI in Modderfontein, Johannesburg.

The Class 35-200 type GT18MC diesel-electric locomotive was designed for the South African Railways (SAR) by General Motors Electro-Motive Division (GM-EMD). The first twenty-five were built by GM-EMD and imported, delivered by November 1974 and numbered in the range from 35-201 to 35-225. The remainder were built in two batches by General Motors South Africa (GMSA) in Port Elizabeth, with seventy-five being delivered between 1974 and 1975, numbered in the range from 35-226 to 35-300, and another fifty between 1975 and August 1976, numbered in the range from 35-301 to 35-350.

While the first GMSA batch was being built, an order for one Class 35-200 GT18MC locomotive was received from AECI in Modderfontein, Johannesburg. Since it required urgent delivery, no. 35-244 (works no. 100-19) from the SAR order was delivered to AECI and became their no. 2, named "A.J. de Beer". The AECI locomotive, works no. 107-1, then went to the SAR as no. 34-244.

The Class 35 locomotive group consists of five sub-classes, the General Electric (GE) Classes 35-000 and 35-400 and the GM-EMD Classes 35-200, 35-600 and 35-800. Both manufacturers also produced locomotives for the South African Classes 33, 34 and 36.