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Year built 1990s
Builder Ian Arnott
Type/Class DH
Wheel Arrangement B-B
Gauge 2ft 0in
Number DH 4334 / DH 3443 / 1145
Length 2495
Height 2365
Width 900
Engine Nissan CD, water cooled, indirect injection diesel
TransmissionHydraulic pump driving 1x hydraulic motor per bogie with chain drive to axles
BrakingLoco braking via hand lever, automotive hydraulic system with 1x disc brake per bogie
No train braking, small 12V compressor for sanding only
CouplersPin and link mounted on bogies

Built by engineer Ian Arnott to run on a short railway from a jetty up to his home in Onahau Bay, Marlborough Sounds. Loco and railway went out of use for many years after the passing of Ian. In 2012 the family donated "Onahau" and its railway to Blenheim Riverside Railway Society.

2012-8-21 Loco retrieved from Marlborough Sounds. Loco suspension modified, entered service on track mowing and spraying duties

2014 - Onahau Bay railway removed by BRR including bogie flat deck wagon

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