Asked Questions About the DMU
What does DMU stand for?
A. DMU stands for diesel
multiple unit – a technical description. People now understand
DMU to mean a self-propelled commuter rail passenger car that is capable
of pulling additional coaches.
How fast will the DMU go?
A. In recent tests at
the Transportation Technology Center in Pueblo, Colorado, the DMU easily
exceeded 100 mph. The railcar is designed for normal commute speeds
of 60 to 70 mph.
How many passengers will it seat?
A. The DMU has seating
for 92 and a maximum passenger capacity of over 200 including standees.
Is the DMU FRA compliant?
A. Absolutely. In fact
Colorado Railcar’s DMU is the first and only self-propelled
commuter railcar that fully meets the FRA’s newest 49 CFR Part
238 specifications including the compression buff load structural stress
test of 800,000 pounds. The DMU is designed and approved to operate
in mixed freight traffic.
Is the DMU safe?
A. The DMU exceeds the
most stringent safety requirements. Its unique car body structural design
uses Corten steel tubes in a truss configuration providing a virtual
“safety roll cage” for passengers.
Does the DMU always have the huge dome windows that I see on the display
A. No. You can order any
window size you require together with a steel roof.
How heavy is the DMU?
A. 171,000 pounds.
Is the DMU fuel efficient?
A. The DMU gets 2 miles
per gallon carrying 90 passengers and 1.5 mpg carrying two additional
coaches. This is about 4 times better than a standard commuter rail
Is the DMU environmentally friendly?
A. The DMU meets of
exceeds 2005 EPA standards, has very low particulate emission (smoke)
and is extremely quiet compared to a locomotive.
Can the DMU pull additional cars?
A. Yes, the DMU is engineered
to pull two or three additional single level coaches depending on the
track‘s elevation and ruling grade. The DMU also has been shown
in recent studies to accelerate very well in comparison with other commuter