The Future of Commuter Rapid Transit

The all-time best selling coach family.

The Buy America Compliant and Altoona tested D Series coaches are built with legendary MCI quality to deliver a unique combination of dependability, passenger comfort, and high-quality performance.

  • Commuter Coach Leader

    #1 selling public sector commuter coach in North America.

  • Accessibility

    Unprecedented ease of entry and exit.

Reliability on all roadways.

The D Series offers modern good looks and the amenities that commuters have come to expect from MCI, including comfortable forward-facing seats, power outlets, parcel racks and Wi-Fi options.


D Series models.

Private Sector

Our private sector D Series coaches are an economical choice for long distance commuting and connecting rural locations to urban city centers.

Tour and Charter

The D4520 coach delivers legendary MCI workhorse ability, modernized with next
generation innovation and style.

Commuter Coach

The chosen model for commuters, the MCI® D45 CRT LE offers an innovative low-entry vestibule with a ramp for rapid entry and exit for all passengers

Public Sector

Many MCI coaches built for public sector have run for more than a million miles. Their reliability is defined by the rugged stainless steel monocoque construction and purpose-built design for line-haul commuting.

Commuter Transit

The D45 CRT and D45 CRT LE commuter transit coaches offer the same MCI legendary quality, modernized with next
generation innovation and style.


The next generation D4020 ISTV delivers a modern approach to inmate transportation with enhanced operator and security features, improved operation, and increased efficiencies.

Practicality and ample amenities.

  • Comfortable high, forward-facing seating with three-point seatbelts and integrated headrests
  • Optional amenities, including enclosed overhead parcel racks, 15″ video monitors,
  • Center-mounted wheelchair lift available on the D4520
  • Standard overhead reading lights and air-flow comfort control
  • Wide center aisle with integrated grab rails throughout
  • Built for safety and comfort at highway speeds

Reliable design.

The D Series coaches are known as workhorses in the transit industry.

  • Our sturdy, stainless-steel frame resists the elements and provides dependable long-term structural integrity.
  • Single-piece, thick-walled stainless-steel tubing in critical areas such as our window posts add strength, durability and excellent fit and finish.
  • Simplified electrical systems use less wiring and fewer modules. All compartments and connectors are tightly sealed for durability and environmental protection.

In the driver’s seat.

  • Updated cockpit with a redesigned, ergonomic dash
    featuring easier-to-read gauges.
  • New integrated high-definition instrument panel that sits lower for
    better sight lines and puts intuitive controls within reach.
  • Tilt and telescopic steering wheel

Safety + performance.

Standard Equipment

  • Electronic Stability Control (ESC) on coaches with Allison B500 and B500R transmissions
  • Automatic Traction Control (ATC)
  • Disc Brakes with 6 channel Antilock
  • Braking System (ABS)
  • Three-point passenger seat belts (multiple seat models available)
  • Amerex fire detection and suppression
  • Tag axle unload feature

Optional Equipment

  • SmarTire® integrated tire pressure monitoring system with always-on sensors
  • Meritor Wabco On-Guard collision mitigation system
  • Brigade 360 degree camera system Sliding battery tray
  • Curb lights

Accessibility on a whole new level.

Whether your agency’s goal is to improve air quality, lower operational costs or expand commuter express service into new areas, the MCI D45 CRT LE will prove to be one of the safest, most comfortable, and flexible transportation solutions available.

  • Easy accessibility, rapid entry and exit via two doors decreasing dwell time
  • Dignified boarding, improved wheelchair securement and a comfortable riding experience for passengers with mobility disabilities
  • Ramp that provides loading times comparable to low-floor transit buses with flip ramps

Reliable Support

  • Comprehensive support that includes in-field expertise, technical call center, 24/7 roadside assistance
  • Ongoing technical training from the industry’s only Automotive Service Excellence (ASE) accredited MCI Academy technician training center
  • Parts support from NFI Parts®, the industry’s largest parts supplier
  • MCI Service Centers – from routine maintenance and warranty to complex troubleshooting, you’ll find all the help you need.


  • MCI’s standard limited warranty coverage offers 24-month, unlimited mile warranty on D Series coaches.
  • The super-60 extended warranty goes even further to provide coverage on many components for up to five years/500K miles, and expands coverage on several components and wear items that carry warranty terms shorter than the applicable base limited warranty.
  • Optional extended OEM warranties on engine and transmission