South African Class 35-600

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South African Class 35-600
300px
No. 35-662 at Vryheid Yard, 15 August 2007
Type and origin
Power type Diesel-electric
Designer General Motors Electro-Motive Division
Builder General Motors South Africa
Serial number 103-1 to 103-50, 110-1 to 110-50, 111-1
Model GM-EMD GT18MC
Build date 1976-1978
Total produced 101
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)
Wheel spacing
(Assymetrical)		 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)
 • Pivot centres 9,627 mm (31 ft 7 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% adh.
 • 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
Columbus Stainless
Spoornet
Transnet Freight Rail
PRASA
Class Class 35-600
Number in class 101
Numbers 35-601 to 35-700, Columbus 4
Delivered 1976-1978
First run 1976

The South African Railways Class 35-600 of 1976 is a branchline diesel-electric locomotive.

Between September 1976 and June 1978, the South African Railways placed one hundred Class 35-600 General Motors Electro-Motive Division type GT18MC diesel-electric locomotives in branchline service. In 1977, one Class 35-600 locomotive was also built for Columbus Stainless in Middelburg, Transvaal.[1][2]

Manufacturer

The Class 35-600 type GT18MC diesel-electric locomotive was designed by General Motors Electro-Motive Division (GM-EMD) and built in two batches for the South African Railways (SAR) by General Motors South Africa (GMSA) in Port Elizabeth. Fifty were delivered between September 1976 and May 1977, numbered in the range from 35-601 to 35-650, and another fifty between May 1977 and June 1978, numbered in the range from 35-651 to 35-700.[1][2][3][4]

In addition, another single Class 35-600 GT18MC locomotive was built new in 1977 for Columbus Stainless, a large stainless steel plant which was established in Middelburg, Transvaal in 1965.[1]

Class 35 series

GE and GM-EMD designs

The Class 35 locomotive group consists of four series, 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.[2]

Distinguishing features

Of the GM-EMD Class 35 locomotives, the Class 35-200 and 35-600 are visually indistinguishable from each other.[2]

Service

The Class 35 family is South Africa’s standard branchline diesel-electric locomotive. The GM-EMD Class 35-600s were designed for light rail conditions and they work on most branchlines in the central, eastern, northern and northeastern parts of the country.[3]

Works numbers

The Class 35-600 builder’s works numbers are listed in the table.[1]

Class 35-600, GM-EMD type GT18MC

Illustration

The main picture shows no. 35-662 in Spoornet orange livery, at Vryheid in Kwa-Zulu Natal on 15 August 2007. An overhead view and some other liveries which were applied to Class 35-600 locomotives, are illustrated below.

  • Class 35-600 35-671.jpg

    Overhead view of no. 35-671 at Mason's Mill, Pietermaritzburg, 8 November 2011

  • SAR Class 35-600 35-622.JPG

    No. 35-622 in Spoornet maroon livery, Koedoespoort, Pretoria, 30 September 2009

  • SAR Class 35-600 35-631.JPG

    No. 35-631 in Spoornet blue with outline numbers, Capital Park, 1 October 2009

  • Class 35-600 35-624.JPG

    No. 35-624 in Transnet Freight Rail livery, Bloemfontein, 30 April 2013

  • Class 35-600 35-672.jpg

    No. 35-672 in PRASA's backdrop blue livery, Bloemfontein, 18 September 2015

References

  1. ↑ 1.0 1.1 1.2 1.3 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 2.2 2.3 South African Railways Index and Diagrams Electric and Diesel Locomotives, 610mm and 1065mm Gauges, Ref LXD 14/1/100/20, 28 January 1975, as amended
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ EMD Exports - South African Railways GT18MC
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