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From Wikipedia, the free encyclopedia

Thomas Vista
Thomas Vista.jpg
1995-1998 Thomas Vista
Overview
ManufacturerThomas Built Buses, Inc.
Production1989–1998
AssemblyHigh Point, North Carolina
Body and chassis
ClassType C
Body styleSchool bus
LayoutSemi forward-control 4x2
PlatformChevrolet/GMC B-Series
International 3600
RelatedThomas Saf-T-Liner Conventional
Powertrain
EngineDetroit Diesel 8.2L V8
International DT360 I6
International 7.3L IDI V8
International DT466 I6
International T444E V8
TransmissionAllison AT545 4-speed automatic
Allison MT643 4-speed automatic
Dimensions
Width96 in (2,400 mm)
Chronology
SuccessorThomas Saf-T-Liner Conventional
Thomas Saf-T-Liner FS-65
Thomas Saf-T-Liner C2

The Thomas Vista is a model line of buses that was manufactured by Thomas Built Buses from 1989 to 1998. Produced nearly exclusively as a school bus, the model line was also sold in commercial-use configurations. To improve forward sightlines for drivers, the chassis of design of the Vista combines elements of conventional buses and transit-style school buses (as well as those from smaller buses).

Following the 1998 acquisition of Thomas Built Buses by Freightliner, Thomas ended the production of the Vista in favor of the standard Saf-T-Liner Conventional. While the 2004 Thomas Saf-T-Liner C2 was not intended as a direct replacement, elements of its body design would incorporate features previously utilized in the Thomas Vista.

Background

Ward/AmTran Patriot, first semi-forward control school bus
Ward/AmTran Patriot, first semi-forward control school bus

During the early 1980s, school bus manufacturing in the United States underwent a period of relative turmoil, as the exit of the baby boom generation from the public education system created a sharp decline in student populations. In the late 1970s, the US federal government had significantly upgraded crash protection standards for school buses.[1]

While safety had long played a key role in the marketing and development of school buses, designers were forced to take a proactive stance to increase innovation to production. By improving the sightlines of the driver, the chances of preventing accidents improved as well.[1]

In 1985, AmTran/Ward introduced the Ward Patriot, a semi forward-control body configuration. By reconfiguring the Chevrolet/GMC B-Series chassis so that the engine was positioned next to the drivers' seat, the front body was modified significantly, with a sloped windshield, with the sloped hood nearly out of view. While similar in layout to a small Type B bus, the design of the Patriot adopted the heavier-duty components of a full-size Type C bus body design.

Model History

Through its production, Thomas Built Buses produced two different versions of the Thomas Vista. From 1989 to 1991, the Vista was built using a General Motors chassis and model-specific bodywork. From 1992 to 1998, the Vista was built on Navistar International chassis, using modified International bodywork.

1989–1991

For 1989, Thomas Built Buses introduced the Thomas Vista as its own semi forward-control bus. Adopting the same reconfigured Chevrolet/GMC chassis as the Ward Patriot, Thomas introduced several new design elements for the Vista. To improve engine access, Thomas designed the bodywork to allow for a larger hood opening than the Ward Patriot. To minimize the blind spots in loading and unloading passengers, the bodywork ahead of the door was given a "loading-zone" window, as on the Thomas Minotour.

Sharing the General Motors chassis of the Ward Patriot, the first-generation Thomas Vista adopted much of its bodywork from the standard Thomas Saf-T-Liner Conventional. As with both the Conventional and Saf-T-Liner EF/ER, Thomas built the Vista its own dashboard and control panel, with the Vista receiving a GM-sourced steering column and instruments. The engine of the Vista sat next to the driver (a Detroit Diesel 8.2L V8), similar to the Saf-T-Liner EF.[1]

After 1991, General Motors entered into a supply agreement to supply the B-Series to body manufacturer Blue Bird Corporation, effectively ending the production of the GM-chassis Thomas Vista.

Engine Years Produced Notes
Detroit Diesel 8.2L V8 1989–1991 Available in turbocharged or non-turbo ("Fuel Pincher") configuration

1992–1998

1994 Thomas Vista
1994 Thomas Vista
Closeup of sideview of Thomas Vista hood and windshield
Closeup of sideview of Thomas Vista hood and windshield

For 1992, Thomas was able to continue production of the Vista, as it secured chassis supply from Navistar International to replace the General Motors chassis. In place of modifying an existing chassis, Navistar developed a purpose-built chassis (the International 3600) for the Vista. While heavily based on the International 3800, the 3600 was a design unique for the Vista. To showcase the model change, Thomas fitted the Vista with a Navistar hood (cut nearly in half to fit the shortened chassis). For the first time, the Vista was available with multiple engines, as Navistar offered both the DT inline-6 and IDI V8 diesels.

As before, the driver of the Navistar-chassis Vista was positioned next to the engine, similar to a Thomas EF bus. To eliminate several blind spots on the body, in 1994, the forward body was redesigned; the side window was enlarged and the windshield was changed to a wraparound 4-piece configuration.

During the mid-1990s, the Vista also served as the replacement for the Mighty Mite, as Thomas expanded the Vista from the full-size segment into the Type B segment.[2]

Following the acquisition of Thomas by Freightliner in 1998, the Thomas Vista was withdrawn in favor of the Thomas Saf-T-Liner Conventional and Thomas-Saf-T-Liner FS-65. As the Navistar 3600 chassis was designed specifically for the Thomas Vista body, its production ended as well.

Engine Years produced Notes
DT360 1992–1994
7.3L IDI (Indirect Injection) V8
DT466E 1995–1998
T444E V8

References

  1. ^ a b c "Thomas school bus history,Perley A. Thomas Car Works, Thomas Built Buses, Thomas Built Buses div. of Freightliner, Thomas Built Buses div. of Daimler Trucks, High Point, N.C. - CoachBuilt.com". www.coachbuilt.com. Retrieved 2016-03-18.
  2. ^ "Vista (1997 Thomas website)". Archived from the original on 1997-04-01.CS1 maint: BOT: original-url status unknown (link)
This page was last edited on 29 September 2019, at 19:28
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