General Motors TW-7603

GMC TW-7603/T7W-603
Years of manufacture	1978 to 1980
Length	35 feet
Width	96 inches
Power/Fuel	Diesel

The General Motors TW-7603 is a Rapid Transit Series transit bus of the General Motors RTS-03 generation. The model breakdown is as follows: T signifies a transit model, 7 signifies a 35 foot length, W signifies the use of a Detroit Diesel 6V71N engine, 6 signifies a 96 inch width, and the 03 signifies the generation.

The model was later redesignated during the middle of production to T7W-603.

656 buses were built.

Operators

Canada

• Autocar Dupont
• Charter Bus Lines of British Columbia
• Pacific Western Transportation - Mississauga, ON
• Richmond Hill Transit - Richmond Hill, ON
• York Region Transit - York Region, ON

United States

• Augusta Transit - Augusta, GA
• Brockton Area Transit Authority (BAT) - Brockton, MA
• Capital Area Transit (CAT) - Harrisburg, PA
• Capital Area Transit (CAT) - Raleigh, NC
• Cedar Rapids Transit - Cedar Rapids, IA
• Central Florida Regional Transit Authority (LYNX) - Orlando, FL
• Central Pinellas Transit Authority - Clearwater, FL
• Chittenden County Transportation Authority (CCTA) - Burlington, VT
• Cities Area Transit (CAT) - Grand Forks, ND & East Grand Forks, MN
• Clinton Municipal Transit Administration (MTA) - Clinton, IA
• Crystal Transport - Brighton, MA
• Escambia County Area Transit (ECAT) - Escambia County, FL
• Fond Du Lac Area Transit - Fond Du Lac, WI
• Greater Bridgeport Transit District (The People Mover) - Bridgeport, CT
• Green Bay Transit - Green Bay, WI
• Holyoke Street Railway - Holyoke, MA
• Janesville Transit System - Janesville, WI
• Kenosha Transit - Kenosha, WI
• Keyline Transit - Dubuque, IA
• Lowell Regional Transit Authority (LRTA) - Lowell, MA
• MetroLINK - Rock Island, IL
• Metro Transit - Kalamazoo, MI
• Norwalk Transit District - Norwalk, CT
• Oshkosh Transit System - Oshkosh, WI
• Pinellas Suncoast Transit Authority (PSTA) - Pinellas County, FL
• Pioneer Valley Transit Authority (PVTA) - Springfield & Holyoke, MA
• Port Authority of New York and New Jersey
• Poughkeepsie Transit - Poughkeepsie, NY
• Red Rose Transit Authority - Lancaster, PA
• Regional Transit Service - Riverside, CA
• Rhode Island Public Transit Authority (RIPTA) - Rhode Island
• St. Petersburg Municipal Transit System - St. Petersburg, FL
• Seashore Trolley Museum - Kennebunkport, ME
• Southeastern Pennsylvania Transportation Authority (SEPTA) - Philadelphia, PA
• SporTran - Shreveport & Bossier City, LA
• Williamsport Bureau of Transportation - Williamsport, PA

Demonstrator/Engineering Units

• List of known demonstrator and engineering buses

Fleet Number	Thumbnail	Year	Serial	Engine	Transmission	Notes
		1978	228	Detroit Diesel 6V71N		GM demo sold to Olympic Trails Bus Company 36 in September 1978.
383		May 1979	383	Detroit Diesel 6V71N		GM Engineering bus.
505		January 1980	A505	Detroit Diesel 6V71N		GMC Technical Center (Warren, MI)

Preserved Coaches

Year	Thumbnail	Serial	Original Owner	Fleet Number	Current Owner
1979		?	Cape Ann Transportation Authority	7804	Seashore Trolley Museum
1979		340	Janesville Transit System	410	Laddie Vitek
1979		342	Janesville Transit System	412	Illinois Railway Museum
1979		346	Janesville Transit System	416	Scott Richards
1980		A537	SEPTA	4462	Southeastern Pennsylvania Transportation Authority

References

• Ohio Musium of Transportation TW-7603/T7W-603 Production Listings, omot.com, retrieved on 2009-07-05
• Personal notes & sightings