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Auction Details
Auction Started: Jun 4, 2026 11:52 AM MDT
Auction Ends: Jun 15, 2026 06:00 PM MDT
Golden Empire Transit District (CA) [View seller's auctions]
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Description
The 2021 MCI D4500 CNG (Compressed Natural Gas) is a heavy-duty commuter coach designed for high-capacity public transit and regional routes. It combines the classic "workhorse" D-Series chassis with a cleaner-burning natural gas powertrain.
Powertrain & Performance
Engine: Cummins ISX 12N (Natural Gas)
Power: 400 hp
Torque: 1,450 lb-ft
Transmission: Allison B500 Gen V (6-speed automatic with prognostics)
Fuel System: Agility Fuel Solutions roof-mounted or side-mounted systems.
Capacity: Typically around 114.6 DGE (Diesel Gallon Equivalent) at 3,600 PSIG.
Brakes: Meritor all-wheel EX-225 disc brakes with 6-channel ABS.
Dimensions & Capacities
| Feature | Specification |
| Overall Length | 45.42 ft (13.84 m) |
| Overall Width | 102.00 in (2.59 m) |
| Overall Height | 137.00 in (3.48 m) |
| Wheelbase | 318.00 in (8.08 m) |
| Turning Radius | 47.00 ft (14.33 m) |
| GVWR | 50,000 lbs (22,680 kg) |
| Seating Capacity | Up to 57 passengers (typical commuter config is 49–53) |
Chassis & Body
Structure: Semi-monocoque low-corrosion stainless steel lower frame with high-tensile steel upper-body framing.
Exterior: Bonded aluminum roof skin, fiberglass front/rear caps, and galvanized steel sidewalls.
Suspension: Air ride suspension with an automatic mechanical leveling system.
Axles: * Front: Meritor 16,000 lb.Drive: Meritor 22,500 lb.
Tag: 12,000 lb (steerable tag axle available as an option).
Standard & Optional Features
HVAC: High-capacity MCI A/C compressor with parcel rack air conditioning.
Accessibility: Optional Braun or Ricon wheelchair lift with two dedicated wheelchair positions.
Safety: Methane detection system (standard on CNG models), Fire suppression system, and optional 360-degree camera systems.
Interior: LED lighting, optional 110V/USB outlets at each seat, and REI Audio/Video systems.
Disclaimer
Sale of all surplus property is as-is and where-is, without warranty. The description of surplus property offered for sale has been compiled from available data, but there is no guarantee or warranty on the part of the Golden Empire Transit District as to condition or quality of surplus property. Golden Empire Transit District reserves the right to withdraw any items being offered and reject any final offer. No service of any kind will be furnished by the the Golden Empire Transit District, and the successful bidder shall assume any cost of weighing, packaging, crating, loading or hauling, unless otherwise indicated. No refunds or adjustments will be made on any award(s). All sales are final.
Successful bidder will be required to remit payment within five (5) business days and remove property within ten (10) days from date of Notice of Award from Public Surplus. No property may be removed by the purchaser prior to making full payment.
Buyers Premium: A Buyers Premium of 7% will be added to the final sale price, which will be visible during the bidding process and added to the total bid amount.
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Pick-up hours are by appointment only.

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