#4077

Commonwealth Railways NJ class

🇦🇺 Australia ·built by Clyde Engineering· from 1971· class of diesel locomotive

🛤️ diesel locomotive diesel ✓ in service

2 photos from Wikimedia Commons · credits & licences

1. 1605 1602 forrestfield 090705: Nachoman-au· CC BY-SA 3.0
2. 1601 (NJ1) Ceduna July 4 2020: Redhen334· CC BY-SA 4.0

what is it?

The NJ class are a class of diesel locomotive built in 1971 by Clyde Engineering, Granville for the Commonwealth Railways for use on the Central Australia Railway.

who runs it

Aurizon Commonwealth Railways

base stats

power 1.1 MWpower output
weight 67 tin working order
built 6made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

First built 55 years ago, in 1971.
1.1 MW is about 13 family cars (~85 kW each) flat out.
Weighs about as much as 11 African elephants (~6 t each).

diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).

spec sheet

built: 1971
in service from: 1971
retired: 1971
status: in service
number built: 6
kind: Diesel-electric
traction: diesel
origin: 🇦🇺 Australia
builders: Clyde Engineering
operators: Aurizon, Commonwealth Railways
top speed: —
power: 1.1 MW
gauge: 1,067 mm Cape gauge
wheel arrangement: Co-Co
weight: 67 t

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q5153840, Wikipedia: Commonwealth Railways NJ class (CC BY-SA 4.0).Updated 2026-10-25.