Gillig Low Floor

Last updated

Gillig Low Floor
SDMTS 2782 - 2018 Gillig Low Floor bus - Front Right 1.jpg
A CNG Gillig Low-Floor in service for the San Diego Metropolitan Transit System
Overview
Manufacturer Gillig
Also calledGillig H2000LF
Gillig Advantage
Production1996–present
Assembly Hayward, California (1996–2017)
Livermore, California (2017–present)
Body and chassis
Class Transit bus
Body style Single-decker bus
Doors
  • 2 doors
  • 1 door (suburban configuration)
  • Mid-entry (1 door, airport shuttle)
Floor type Low entry
ChassisIntegral
Powertrain
Engine
Caterpillar
  • Caterpillar C9
Cummins
  • Cummins C8.3
  • Cummins ISC
  • Cummins ISL
  • Cummins M11
  • Cummins ISM
  • Cummins ISB (Hybrid)
  • Cummins Westport ISL G (CNG)
Detroit Diesel
  • Detroit Diesel Series 40
  • Detroit Diesel Series 50
Capacity
  • 29-foot: 28
  • 35-foot: 32
  • 40-foot: 40
Transmission
  • Allison B300R
  • Allison B400R
  • Allison H 40 EP (Hybrid)
  • Voith D863.3E
  • Voith D864.3E
  • Voith D864.5
ZF
Dimensions
Wheelbase
  • 29-foot: 163 in (4,140.2 mm)
  • 35-foot: 235 in (5,969.0 mm)
  • 40-foot: 284 in (7,213.6 mm)
Length29–40 ft (8.8–12.2 m)
Width102 in (2,590.8 mm)
Height
  • 29-foot: 115 in (2,921.0 mm)
  • 35-, 40-foot:116 in (2,946.4 mm)
Chronology
Predecessor Gillig Phantom

The Gillig Low Floor (originally named Gillig H2000LF and also nicknamed Gillig Advantage [1] ) is a transit bus manufactured by the Gillig Corporation. The second low-floor bus introduced in the United States (after the New Flyer Low Floor), the Low Floor has been produced since 1997. [2] Originally produced alongside the Gillig Phantom as an expansion of the transit product range, the Low Floor has become the successor to the Phantom and the sole Gillig bus platform since 2008.

Contents

The Gillig Low Floor was assembled in Hayward, California, prior to the 2017 relocation of Gillig Corporation to Livermore, California.

Design history

The Gillig Low Floor began life in the mid-1990s as Gillig was approached by Hertz Corporation to develop a shuttle bus for its rental car parking lots at airports to replace its aging GMC RTS buses. [3] [4] Featuring a carpeted interior, luggage racks, and a central entry door, the primary design requirement of Hertz was a low-floor entry for those carrying luggage or with limited mobility. [3] In 1996, the first buses for Hertz (named the Gillig H2000LF) entered production. Gillig would produce the H2000LF for Hertz through 2005, as the design was replaced by standard Gillig Low Floor buses. [4] Hertz Corporation used the H2000LF at Logan International Airport in Boston as well as other airports in the United States.

In 1997, Gillig modified the H2000LF design for transit bus use, replacing the central entry with dual entry doors. Renamed the Gillig Low Floor, the low-floor bus was marketed alongside the step-entrance Gillig Phantom.

During its production, the Low Floor has undergone several revisions to its body design. In 2002, the windshield was enlarged (with the use of a smaller destination sign) and the side windows were reduced in width. [3] After 2003, the rear side split windows that were configured upside down were reconfigured to match the rest of the side windows; frameless windows later became an option (with or without split openings). [3] In 2008, the glass of both entry doors was enlarged (distinguished by squared-off corners). Also in 2008, a suburban configuration was added, identified externally by the lack of a rear entry door. In place of transit seating, the suburban configuration is equipped with forward-facing seating, internal luggage racks, onboard Wi-Fi, and other passenger-related options. [5]

A battery-electric powertrain developed by Cummins was made available for the Low Floor Plus variant starting in 2019. The launch client for the Gillig/Cummins battery-electric bus was Big Blue Bus, serving Santa Monica, California. [6] [7] A battery-electric Low Floor (29-foot) was tested at Altoona in 2018, using a drivetrain adapted from the BAE HybriDrive powertrain. [8]

Overview

Of the two body configurations for low-floor buses, the Gillig Low Floor is a low-entry bus (the front two-thirds to three-fourths of the interior is low-floor) with a low-step entry (nearly curb height) and integrated manual wheelchair ramp while the rear part of the interior (behind the rear axle) is raised to provide sufficient space for the powertrain.

The Gillig Low Floor is produced in three nominal body lengths in its standard transit bus configuration: 29 ft (8.8 m), 35 ft (10.7 m), and 40 ft (12.2 m). [9] Maximum seating capacity is 28 passengers for the 29-foot length (with seats over the front axle), 32 passengers for the 35-foot length, and 40 passengers for the 40-foot length. The turning radius of the Gillig Low Floor is 29 ft (8.8 m) (29 foot body), 36 ft (11.0 m) (35 foot body), and 43 ft (13.1 m) (40 foot body).

Powertrain

A Utah Transit Authority 2020 Gillig Low Floor. Utah Transit Authority route 72.jpg
A Utah Transit Authority 2020 Gillig Low Floor.

Conventional (internal combustion)

Currently (as of 2019 production), the Gillig Low Floor range is equipped with three engines: the Cummins B6.7 diesel, Cummins L9 diesel, and Cummins L9N compressed natural gas inline-six engines. Throughout its production, the Gillig Low Floor has featured a range of Cummins engines along with Caterpillar and Detroit Diesel engines.

Allison, Voith, and ZF automatic transmissions are available.

Hybrid diesel-electric

Diesel-electric hybrid Low Floors, like this TARC bus, carry their traction batteries in an enclosure on the rear roof TARC 2010 Gillig Diesel Hybrid - Electric Advantage.jpg
Diesel-electric hybrid Low Floors, like this TARC bus, carry their traction batteries in an enclosure on the rear roof

Since 2004, the Gillig Low Floor has been available in a diesel-electric hybrid configuration with the Cummins ISB engine; hybrid models are identified by their roof-mounted battery pack. Hybrid models have been produced with Allison, [10] [11] BAE, [12] [13] [14] and Voith [15] series- and parallel-hybrid powertrains. In 2008, the Allison hybrid drivetrain was 81% more expensive than a conventional bus, which was partially subsidized by federal grants and expected savings in fuel and maintenance costs. [16]

The Gillig/Voith hybrid, branded DIWAhybrid, is a mild parallel hybrid system using Maxwell ultracapacitor on-board energy storage, [17] and was tested to have an observed overall average fuel consumption of 4.75 mpg‑US (49.5 L/100 km; 5.70 mpg‑imp). [15] : 62  The Gillig/BAE series hybrid, branded HybriDrive, [18] had comparable fuel consumption, at 4.64 mpg‑US (50.7 L/100 km; 5.57 mpg‑imp) (40-foot) [13] : 50  and 3.96–6.14 mpg‑US (59.4–38.3 L/100 km; 4.76–7.37 mpg‑imp) (40-foot, Manhattan and HD-UDDS driving cycles, respectively). [14] : 31  The Gillig/Allison dual-mode (series/parallel) hybrid was similar, at 3.64–6.40 mpg‑US (64.6–36.8 L/100 km; 4.37–7.69 mpg‑imp) (40-foot, Manhattan and HD-UDDS driving cycles). [10] : 30 

Battery electric

Gillig/Cummins Low Floor Plus Electric for Pierce Transit Pierce Transit EV 529.jpg
Gillig/Cummins Low Floor Plus Electric for Pierce Transit

A fully electric configuration was introduced in 2019, with serial production commencing in 2020; [19] it was developed as a prototype at the request of Big Blue Bus, which had reduced an order of 20 CNG buses to 19 in order to test an all-electric powertrain system developed by Cummins (branded "Cummins Battery Electric System"). [20] The buses use plug-in charging with a SAE J1772 CCS Type 1 connector, [21] and an overhead pantograph (SAE J3105–1) connection is available. [22]

As tested by the Bus Research and Testing Center in Altoona, a 40-foot battery-electric bus, with a gross capacity of 444 kW-hr (355 kW-hr usable) at 750 VDC, achieved a range of 129 to 187 mi (208 to 301 km), depending on the driving cycle (Manhattan and EPA HD-UDDS, respectively; the Orange County cycle fell in between). [23] : 11, 92  Observed energy consumption was 3.04 kW⋅h/mi (11.3 mpg‑e) (Manhattan), 2.27 kW⋅h/mi (15.1 mpg‑e) (Orange County), and 2.09 kW⋅h/mi (16.5 mpg‑e) (HD-UDDS). [23] : 87  The Cummins TM4 traction motor had a rated output of 262.5 to 562.5 kW (352 to 754 hp). [23] : 11 

Trolleybus

A BRTPlus trolleybus operating for the Dayton RTA. Dayton "NexGen" trolleybus passing through WSP on route 8 in 2016.jpg
A BRTPlus trolleybus operating for the Dayton RTA.

Gillig partnered with Kiepe Electric to build 45 "NexGen" trolleybuses for the Greater Dayton Regional Transit Authority (RTA); Gillig was responsible for the chassis, based on the Low Floor BRT/CNG, and Kiepe supplied the traction motor, battery, and trolley pole equipment. The contract was awarded by RTA in 2013 and the resulting buses featured "in-motion charging", using the trolley wires to charge an on-board battery that provided an off-wire range of up to 20 mi (32 km). This meant that buses could detour around stalled traffic and the system could be expanded without installing more overhead wire; to facilitate off-wire operation, the driver could move the poles up and down without leaving their seat. [24] Four prototypes were supplied in 2014: two used diesel engines to operate off-wire, while the other two used storage batteries. The remaining 41 would be equipped with storage batteries; the prototypes would be tested for more than five years before the first of the 41 regular production models arrived in August 2019. [25] The final bus was delivered in 2021. [24]

Gillig Low Floor/BRT/Trolley Engines
EngineFuelProductionAvailabilityNotes
Caterpillar C9Diesel2003–2009BRT
Trolley
Cummins C8.3Diesel1996–1998Low Floor
Cummins ISB Diesel2008–present (ISB6.7)
2004–2007 (ISB)		BRT
Trolley		Used for diesel-electric hybrid powertrains
Cummins ISC Diesel1998–2003Low Floor
Cummins ISL Diesel2001–2010H2000LF
Low Floor
BRT
Trolley
Cummins ISL9 2011–2016
Cummins L9 2017–present
Cummins Westport ISL G CNG2010–2017Low Floor
BRT
Cummins Westport L9N 2017–present
Cummins M11EDiesel1996–1999Low Floor
Cummins ISM Diesel1999–2009Low Floor
BRT
Trolley
CumminsElectric2019+Low Floor PlusPermanent magnet traction motor; peak/continuous power and torque: 350 / 225 kW (469 / 302 hp; 476 / 306 PS) and 3,400 / 850 N⋅m (2,510 / 630 lb⋅ft) [6] [26]
Detroit Diesel Series 40EDiesel1997–2003H2000LF
Low Floor		Also known as the Navistar DT530E engine
Detroit Diesel Series 50 Diesel1996–2005Low Floor
Ford Triton V10 [3] Gasoline2009BRTGillig BRT only
Produced in a single order of gasoline-hybrid buses for LeeTran.
Vossloh-Kiepe Trolleybus2014–2021BRTPlusFor Dayton RTA's trolleybus system
Gillig Low Floor/BRT/Trolley Transmissions
TransmissionProductionAvailabilityNotes
Allison B300R 1996–presentAll
Allison B400R 1996–presentAll
Voith D863.3 / D864.3
Voith D863.3E / D864.3E		1996–2005H2000LF
Low Floor
Voith D864.52005–presentBRT
Trolley
ZF 5/6HP592C2001–2007Low Floor
BRT
Trolley
ZF 5/6HP594C2007–2010Low Floor
BRT
Trolley
ZF Ecolife2010–presentLow Floor
BRT
Allison EP40/H 40 EP [3] 2004–presentLow Floor
BRT
Trolley		Parallel diesel-electric hybrid powertrain
BAE Systems HybriDrive [3] 2011–presentLow FloorSeries diesel-electric powertrain
ISE Corporation ThunderVolt [27] 2009BRTGasoline-electric hybrid (Ford V10)
Voith DIWAhybrid [3] 2008–presentLow Floor
BRT
Trolley		Parallel diesel-electric hybrid powertrain

Variants

Gillig Low Floor variants
NameImageIntro.Changes
BRT Westcat gillig low floor brt.JPG 2005
  • Extended front fascia
  • Restyled rear fascia
  • Projector headlights
BRT Plus LYNX Bus Orlando.jpg 2011
  • Extended front fascia
  • Full-length roof fairing
  • Projector headlights
Low Floor Plus VTA route 68 bus at Gilroy station, July 2018 (cropped).JPG 2017
  • Full-length roof fairing
Trolley Replica EMTA Bayliner 3.jpg 2005
  • Heritage trolley appearance

Gillig also manufactures four models of buses based on the Low Floor chassis: the Low Floor BRT, Low Floor BRT Plus, Low Floor Plus, and the Low Floor Trolley. All have the same engine and transmission options as the standard Low Floor.

Gillig BRT

Restyled BRT rear fascia, CDTA CDTA Gillig BRT (49320220917).jpg
Restyled BRT rear fascia, CDTA

The Gillig BRT is a restyled version of the Low Floor with different front and rear fascias. It wears a more futuristic look than the standard model. It is available in the same lengths as the standard Low Floor model, although the front fascia adds roughly an extra foot of length to the bus. Instead of sealed-beam headlights, the Gillig BRT has projector headlights. The Gillig BRT is available with CNG, Diesel and Diesel-Electric Hybrid drivetrains.

Gillig BRT Plus

The Gillig BRT Plus is a variant of the BRT which features a full-length roof fairing which hides equipment which can include A/C units, CNG fuel tanks, or batteries. The Plus made its debut in 2011 with Long Beach Transit #1201, which is also the first Compressed Natural Gas (CNG) BRT produced. The BRT Plus is available with CNG, Diesel and Diesel-Electric Hybrid drivetrains. A BRT Plus trolleybus order for the Dayton RTA's trolleybus system used Vossloh Kiepe propulsion and trolley poles.

Gillig Low Floor Plus

The newest variant of the Gilig Low Floor. Introduced in 2017, the Low Floor Plus is more mildly restyled compared to the Gillig BRT and BRT Plus. The Low Floor Plus features the headlights of the BRT and full-length roof fairings similar to the BRTPlus, but retains the same windshield and rear end cap as the traditional Low Floor model.

Gillig Trolley Replica

The Gillig Trolley is a trolley-replica bus produced in collaboration with Cable Car Classics of Healdsburg, California. It is available in 30, 35 and 40-foot (9.1, 10.7 and 12.2-meter) lengths. The vintage-style trolley appearance package exterior features include frameless bonded side windows, maintenance-free wood-like trim, ornate gold pinstriping, custom window and body graphic decals, roof cupola, functional solid brass bell, cow catcher, roof perimeter LED ropelights, and front center brass trolley lamp. The interior has solid American white oak seats, optional seat cushions, leather hand straps, brass handrails, stop request pull ropes, wood trim, and woodgrain wall panels and floor covering. In addition to conventional diesel, the Gillig Trolley is available with optional power trains, including Allison hybrid-electric, all-electric, and CNG.

See also

Competitors:

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References

  1. ↑ "Gillig Low Floor | Alliance Bus Group". www.alliancebusgroup.com. Archived from the original on May 31, 2016. Retrieved September 5, 2019.
  2. ↑ "GILLIG". GILLIG. Archived from the original on December 20, 2016. Retrieved December 19, 2016.
  3. 1 2 3 4 5 6 7 8 "Gillig Low Floor – CPTDB Wiki". cptdb.ca. Retrieved December 30, 2016.
  4. 1 2 "Hertz Corporation – CPTDB Wiki". cptdb.ca. Retrieved December 30, 2016.
  5. ↑ "GILLIG". GILLIG. Retrieved December 19, 2016.
  6. 1 2 Roman, Alex (January 2, 2020). "A Closer Look at GILLIG, Cummins Battery Electric Bus Partnership". Metro Magazine. Retrieved May 17, 2021.
  7. ↑ Wanek-Libman, Mischa (August 23, 2019). "Big Blue Bus welcomes first zero-emissions vehicle to fleet". Mass Transit. Retrieved May 17, 2021.
  8. ↑ Federal Transit Bus Test: Gillig 29' Low Floor electric (Report). Bus Testing and Research Center. May 2018. Retrieved May 17, 2021.
  9. ↑ Brophy, Jim (July 2, 2016). "Bus Stop Classics: Gillig Low Floor Bus — Last Out of the Gate, But It Had an Advantage". Curbside Classic. Retrieved January 20, 2023.
  10. 1 2 Federal Transit Bus Test, Gillig Model 40-foot Low Floor Hybrid | Test Report PTI-BT-R1813-P (Report). Pennsylvania Transportation Institute, Bus Research and Testing Center. February 2019. Retrieved January 24, 2022.
  11. ↑ "Allison, GILLIG and Cummins Partner on IndyGo Hybrid Electric Buses". Gillig Corporation (Press release). Inside Indiana Business. July 19, 2021. Retrieved January 24, 2022.
  12. ↑ "BAE Systems HybriDrive Series Green Propulsion System Orders Surpass 3,500" (Press release). BAE Systems. May 23, 2011. Retrieved January 24, 2022.
  13. 1 2 Federal Transit Bus Test, Gillig Model 40' Low Floor BAE Hybrid | Test Report PTI-BT-R1206-P (Report). Pennsylvania Transportation Institute, Bus Research and Testing Center. July 2012. Retrieved January 24, 2022.
  14. 1 2 Federal Transit Bus Test, Gillig Model Low Floor Hybrid | Test Report PTI-BT-R1801-P (Report). Pennsylvania Transportation Institute, Bus Research and Testing Center. April 2018. Retrieved January 24, 2022.
  15. 1 2 Federal Transit Bus Test, Gillig Model Low Floor | Test Report PTI-BT-R0914 (Report). Pennsylvania Transportation Institute, Bus Research and Testing Center. March 2010. Retrieved January 24, 2022.
  16. ↑ Sherman, Steven (August 6, 2008). "The Ride: AATA Gillig Hybrid Electric Bus". Automobile. Retrieved January 20, 2023.
  17. ↑ "Voith Turbo Selects Maxwell Ultracapacitor Modules for DIWAhybrid System for Transit Buses". Green Car Congress. March 3, 2010. Retrieved January 24, 2022.
  18. ↑ "BAE Systems HybriDrive Series Green Propulsion System Orders Surpass 3,500" (Press release). BAE Systems. May 23, 2011. Retrieved January 20, 2023.
  19. ↑ Roman, Alex (January 2, 2020). "A Closer Look at GILLIG, Cummins Battery Electric Bus Partnership". Metro Magazine. Retrieved May 17, 2021.
  20. ↑ Staff Report 3091: Purchase of One Battery Electric 40-Foot Bus from Gillig LLC (Report). City of Santa Monica, California. July 24, 2018. Retrieved May 17, 2021.
  21. ↑ "Welcome aboard". Gillig / Cummins. Retrieved May 17, 2021.
  22. ↑ "2020 Bus and Truck Council Meeting — GILLIG Update" (PDF). Retrieved May 17, 2021.
  23. 1 2 3 Federal Transit Bus Test, Gillig Model 40-Foot Low Floor Battery Electric Bus | Test Report 2020-05 (Report). Pennsylvania Transportation Institute, Bus Research and Testing Center. June 2021. Retrieved January 24, 2022.
  24. 1 2 Olson, Jessica; Mosby, Stephen (February 17, 2021). "Dreams become reality as last innovative NexGen bus rolls into Dayton". Mass Transit. Retrieved January 24, 2022.
  25. ↑ "First new trolleybuses in Dayton/Ohio with In-Motion-Charging". Urban Transport Magazine. August 29, 2019. Retrieved January 24, 2022.
  26. ↑ "Cummins New Power" (PDF). Wisconsin Clean Cities. August 5, 2020. p. 11. Retrieved May 17, 2021.
  27. ↑ "Gillig BRT – CPTDB Wiki". cptdb.ca. Retrieved December 30, 2016.
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