MCI D4520 dimensions
MCI · Rear engine · Current platform · OEM verified
A 45-foot 10-inch coach with a 315-inch wheelbase, 78-inch interior height, 54,000-pound GVWR, Cummins X12 engine and Allison B500 transmission in the published specification.
Design this bus → Compare with another bus
Dimensions
| Overall length | 45.83 ft | |
|---|---|---|
| Buildable interior length | 34–37 ft | |
| Buildable floor area | 250–285 sq ft | |
| Standing volume | 1600–1840 cu ft | |
| Interior width | 96 in | |
| Interior height | 78 in | |
| Exterior width | 102 in | |
| Overall height | 138.6 in | |
| Wheelbases | 315" | |
| GVWR | 54000 lb |
Drivetrain & chassis
| Engine | Cummins X12 410 hp in MCI D-Series specification | |
|---|---|---|
| Transmission | Allison B500 | |
| Tires | Firestone FS400 315/80R22.5, L-rated in published sheet | |
| Brakes | Bendix ADB22X air disc brakes | |
| Suspension | Electronically controlled air suspension with high/low ride and kneeling | |
| Fuel | 200 US gallons usable; 15-gallon DEF tank in published sheet | |
| Axle ratio | Build-specific; verify coach build record |
Cummins X12: Heavy-duty motorcoach engine. Coach-specific service access, 24-volt systems and emissions equipment differ sharply from school buses.
Configurations
| 315″ wheelbase | 45 ft 10 in overall |
|---|
Strengths and cautions
Works in its favour
- Published technical sheet is unusually complete
- Large luggage volume and payload capacity
- Standard X12/B500 coach drivetrain
- Air suspension with kneeling and ride-height control
Check before you buy
- 45-foot 10-inch overall length
- Complex multiplexed 12/24-volt electrical system
- High fuel and tire costs
- Commercial-coach service may be required for major repairs
Will a bed fit crosswise?
Interior width is about 96 inches before framing and panelling.
| Twin crosswise (75″) | Fits, about 21″ spare | |
|---|---|---|
| Full / double crosswise (75″) | Fits, about 21″ spare | |
| Queen crosswise (80″) | Fits, about 16″ spare | |
| King crosswise (80″) | Fits, about 16″ spare |
Similar platforms
Figures here come from manufacturer documentation, but bodies were ordered to spec, so two vehicles of the same model year can still differ. Measure before you buy materials.