01
From the Community
From the community
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02
Document Library
Manuals
103
Audio Demos
04
Compatible Sound ROMs
05
Modifications
06
Owner Registry
Production figures for the GE 7b were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
0units registered
0 serials recorded
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07
System Components
CONTENTS
01From the Community02Document Library03Audio Demos04Compatible Sound ROMs05Modifications06Owner Registry07System ComponentsManufacturer
Roland
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Specifications
- Gauge
- 900 mm(2 ft11+7⁄16in) as built3 ft 6 in(1,067 mm)Cape gaugeregauged
- Width
- 8 ft (2,438 mm)
- Career
- CareerOperatorsHollandse Anneming MaatschappijSouth African RailwaysNumber in class1Numbers69Delivered1939 (Contractors), 1941 (SAR)First run1909Withdrawn1950s
- Height
- 10 ft 6 in (3,200 mm)
- •UIC
- Bn2t
- Builder
- Orenstein & Koppel
- Length:
-
- Numbers
- 69
- Couplers
- Johnston link-and-pin
- Designer
- Orenstein & Koppel
- Firebox:
-
- • Type
- Round-top
- •Whyte
- 0-4-0T
- Cylinders
- Two
- Delivered
- 1939 (Contractors), 1941 (SAR)
- First run
- 1909
- Fuel type
- Coal
- Operators
- Hollandse Anneming MaatschappijSouth African Railways
- Wheelbase
- 6 ft (1,829 mm)
- Withdrawn
- 1950s
- Build date
- 1909
- Frame type
- Plate
- Power type
- Steam
- Valve gear
- Walschaerts
- Loco weight
- 16 LT 10 cwt (16,760 kg) empty
- Coupled dia.
- 29 in (737 mm)
- Power output
- 140 hp (100 kW)
- Serial number
- 3019
- Configuration:
-
- Specifications
- SpecificationsConfiguration:•Whyte0-4-0T•UICBn2tGauge900 mm(2 ft11+7⁄16in) as built3 ft 6 in(1,067 mm)Cape gaugeregaugedCoupled dia.29 in (737 mm)Wheelbase6 ft (1,829 mm)Length:• Over couplers19 ft 6 in (5,944 mm)Width8 ft (2,438 mm)Height10 ft 6 in (3,200 mm)Frame typePlateLoco weight16 LT 10 cwt (16,760 kg) emptyFuel typeCoalFirebox:• TypeRound-topBoiler pressure170 psi (1,172 kPa)CylindersTwoValve gearWalschaertsCouplersJohnston link-and-pin
- Boiler pressure
- 170 psi (1,172 kPa)
- Number in class
- 1
- Tractive effort
- 9,100 lbf (40 kN)
- Type and origin
- Type and originPower typeSteamDesignerOrenstein & KoppelBuilderOrenstein & KoppelSerial number3019Build date1909
- • Over couplers
- 19 ft 6 in (5,944 mm)
- Performance figures
- Performance figuresPower output140 hp (100 kW)Tractive effort9,100 lbf (40 kN)
