CNG Conversions Gallery : Chesapeake CNG Motor Coach

A heavy-duty vehicle that showcases the versatility of natural gas power

Chesapeake’s CNG motor coach, also known as Big Blue, supports the company’s commitment to natural gas as a viable alternative to transportation fuels such as gasoline and diesel. This recreational vehicle tours the country showcasing the versatility of natural gas power and educates the public about the growing opportunities of natural gas in the transportation sector.

This Affinity-class motor coach is powered by a Cummins ISX 650-horsepower engine, with a dual-fuel system that runs on a combination of natural gas and diesel. The motor coach also sports the added feature of external television sets for large-scale presentations at conventions and outdoor venues.

The largest addition to the company’s rapidly growing natural gas fleet, Big Blue promotes the use of natural gas as a versatile fuel for power generation, home utility and transportation.

Vehicle:   Motor Coach
Year Model:   2010
Manufacturer:   Country Coach
Type:   Affinity
CHK Unit:   90564
GVW:   67,000 lbs.
Length: 45'
Width: 8'6"
Height: 12'6"
Dual Fuel System: CNG & diesel from 0% CNG at idle to 70% CNG at full load demand.
CNG Storage: Lincoln Composites / 3 - 21" x 80" carbon fiber cylinders
10,887 scf = 78 diesel gallon equivalent at 3600 psig
Engine: Cummins ISX 650 hp / 1,950 ft. lbs. torque
Transmission: Automatic
Generator: Cummins Onan - Dual Fuel / CNG/Diesel / Watts 12,500