4.1.4.2 Alternate specifications for ElDorado National Bus Arrivo 38’ or approved equivalent.
The ElDorado National Medium/Heavy-Duty Arrivo shuttle buses, or approved equivalent shall be new, current year production units, that are sleek, streamlined, and aesthetically designed, heavy duty, rear engine propelled, diesel fueled, with an automatic transmission, commercial buses, conforming to applicable ADA Regulations. The buses shall be designed and manufactured to save weight while maintaining high strength through the use of body materials integration in fabrication.
The buses shall be purpose built buses, designed for the operator’s unique needs, with a high degree of maneuverability, reliability, and passenger appeal. The following gdetailed technical specifications are intended to provide a complete description of all components, systems, features, and options as designated.
-
SERVICE LIFE AND PRINCIPAL DIMENSIONS:
Buses shall be designed and constructed to ensure a minimum service life of at least twelve (12) years/500,000 miles in revenue service. They shall be capable of operating at least 50,000 miles per year, including the last year.
LENGTH, BODY 38’-7”
WIDTH, BODY 102"
HEIGHT, OVERALL WITH ROOF A/C 129"
HEIGHT, OVERALL OVER EXHAUST TAIL PIPE 125" (Preliminary)
WHEELBASE 252"
OVERHANG, FRONT 94"
OVERHANG, REAR 117"
APPROACH ANGLE (DEG) 10.0
BREAKOVER ANGLE (DEG) 12.0
DEPARTURE ANGLE (DEG) 8.5
HEIGHT, FLOOR (@ GVWR) APPROX. 38"
HEIGHT, FIRST STEP (@ GVWR) APPROX. 15.0"
HEIGHT, FIRST STEP KNEELED. 12.0"
HEIGHT, INTERIOR 82"
WIDTH, INTERIOR 95"
WIDTH, AISLE Variable
WIDTH, BETWEEN FRONT DOOR PANELS 31”
WIDTH, BETWEEN REAR DOOR PANELS 42”
HEIGHT, DOOR 90"
GVWR 36,020 - 36,800 lbs.
GAWR, FRONT 13,020 - 13,880 lbs.
GAWR, REAR 23,000 lbs
TURNING RADIUS CURB TO CURB 37' (Preliminary)
2.POWER PLATFORM SPECIFICATIONS
The buses shall utilize the latest generation Freightliner - XBS Commercial rail chassis. Basic technical specifications are as follows.
3. BASELINE DIESEL ENGINE
Rear T mounted Cummins ISB-2013 6.7 liter turbo charged and charge air-cooled in line 6 cylinder electronic control medium/heavy-duty diesel engine.
-
PERFORMANCE Peak horsepower is 280 BHP @ 2,600 RPM and peak torque of 660 ft.-lbs. @ 1,600 RPM.
-
CERTIFICATION - Current Federal EPA emissions standards certifications for 50 states with Ultra low sulfur diesel fuel, diesel particulate filter (DPF) and selective catalytic reduction (SCR). A ten (10) gallon diesel exhaust fluid (DEF) tank will be integrated into the emission after-treatment system.
-
OILING - Engine oiling system includes a full flow spin-on two (2) quart capacity filter. Engine oil cooling is by internal mounted water to oil heat exchanger.
-
EXHAUST BRAKE - the Cummins exhaust brake and triple with the variable geometry turbo with a dash mounted on/off switch will be provided.
4. COOLING SYSTEM
The cooling system shall be sized to maintain all engine and transmission fluids and engine intake air at safe, continuous operating temperatures during the most severe operations possible and in accordance with engine and transmission cooling system requirements.
a) RADIATOR - A high capacity cross flow aluminum radiator with 1,270 sq. in. core frontal area. The
radiator is baffled top and bottom and both sides.
b) DE-AERATION RESERVOIR - A rear mounted coolant recovery tank is supplied.
c) FAN - An electronically controlled mechanical fan drive is supplied.
5.SILICONE COOLANT HOSES
All flexible heater lines and radiator water lines are different size silicone hoses with stainless steel constant torque clamps.
Allison B300 five (5) speed push-button automatic transmission with a duty cycle rating of 38,000 lbs. GVWR.
-
OIL FILTERS - Transmission is equipped with integral cartridge-type oil filters located in the transmission main oil supply and cooler return circuits. Access to each filter is through the bottom of transmission control module.
-
CONTROLS - Transmission is controlled electronically.
DIESEL FUEL SYSTEM
DOT approved diesel fuel storage system constructed of treated carbon steel, 90 gallon fitted with square female head drain plug, electric fuel gauge float switch.
a) TANK- is located between the frame rails forward of the rear axle.
b) FILTER - An Alliance brand fuel/water separator with primer pump and indicator light.
-
FILLING - Fuel fill is located in a curbside access door.
EXHAUST SYSTEM
High capacity exhaust pipe, diesel particulate filtering system and selective catalytic reducer are installed with heat shields baffles and vibration mounts. The tailpipe is so designed to direct exhaust vertically at the rearmost curb side corner of the bus body.
FRONT SUSPENSION
The buses shall feature full air ride suspension providing the driver and passengers with the ultimate in ride quality and safety. The front suspension shall be Neway, model AS-140 with 14,700 lbs. capacity, controlled constant height air spring suspension.
-
SPRINGS - Two (2) rolling lobe air springs are provided on the front axle. The springs air pressure is maintained by a single time delayed height control valve. Air springs are internally equipped with jounce rubber stops.
-
DAMPENING - Springs are dampened by two (2) hydraulic Sachs brand shock absorbers.
-
STABILITY - A front sway bar is mounted inboard for excellent lateral stability.
Share with your friends: |
