Freightliner Custom Chassis Vehicle Identification Number Explanation

These codes went into effect on May 1, 2000 and reflect the most recent update on September 20, 2023; only those codes germane to Freightliner and Thomas buses are shown here.

Digit position	Designation	Description
1-3	4UZ	World Manufacturer Identifier Freightliner Custom Chassis Corporation - Incomplete Vehicle (chassis only)
4	A F X	Chassis Configuration 4 x 2 Truck 6 x 2 Truck Glider
5-6	AV AW AX AY A0 BA BB BC BD BE BN BP BR BT B5 B6 B7 B8 B9 B0 CA CB CN CP CR CS C8 C9 DA DB DC DD DE DF DG EA EB EC EH EV EW EX EY	Model, Cab, Class/GVWR FS-65 Chassis, Class 5 FS-65 Chassis, Class 6 FS-65 Chassis, Class 7 FS-65 Chassis, Class 8 EF Front-Engine Bus Chassis, Class 6 EF Front-Engine Bus Chassis, Class 7 EF Front-Engine Bus Chassis, Class 8 EF Rear-Engine Bus Chassis, Class 6 EF Rear-Engine Bus Chassis, Class 7 EF Rear-Engine Bus Chassis, Class 8 B2 Bus Chassis, Class 5 B2 Bus Chassis, Class 6 B2 Bus Chassis, Class 7 B2 Bus Chassis, Class 8 FBX 106 Shuttle Bus Chassis, Class 5 FBX 106 Shuttle Bus Chassis, Class 6 FBX 106 Shuttle Bus Chassis, Class 7 FBX 106 Shuttle Bus Chassis, Class 8 XB Straight-Rail Rear-Engine Shuttle Bus Chassis, Class 6 XB Straight-Rail Rear-Engine Shuttle Bus Chassis, Class 7 XB Raised-Rail Rear-Engine Shuttle Bus Chassis, Class 6 XB Raised-Rail Rear-Engine Shuttle Bus Chassis, Class 7 S2 106 Bus Chassis, Class 5 S2 106 Bus Chassis, Class 6 S2 106 Bus Chassis, Class 7 XB Raised-Rail Rear-Engine Shuttle Bus Chassis, Class 8 B2 106 Hybrid Electric Vehicle (HEV) Bus Classis, Class 5 B2 106 Hybrid Electric Vehicle (HEV) Bus Classis, Class 6 B2 106 Hybrid Electric Vehicle (HEV) Bus Classis, Class 7 B2 106 Hybrid Electric Vehicle (HEV) Bus Classis, Class 8 MBC Front-Engine Commercial Bus Chassis, Class 4 MBC Front-Engine Commercial Bus Chassis, Class 5 MBC Front-Engine Commercial Bus Chassis, Class 6 MBC Front-Engine Commercial Bus Chassis, Class 7 XBP Rear-Engine Commerical Bus Chassis, Class 8 EFX Front Engine Bus Chassis, Class 6 EFX Front Engine Bus Chassis, Class 7 EFX Front Engine Bus Chassis, Class 8 XBS Straight-Rail Rear-Engine Shuttle Bus Chassis, Class 8 B2 106 Electric Chassis, Class 5 B2 106 Electric Chassis, Class 6 B2 106 Electric Chassis, Class 7 B2 106 Electric Chassis, Class 8
7-8	BV BW BX CN CP CR CS CT CU DC DD DG DH DL DM DT DU E2 E3 FA FB FC FD G1 G2 G3 G4 G6	Engine/Brakes Cummins ISB Diesel 5.9L, Air Brakes Cummins ISB Diesel 5.9L, Hydraulic Brakes Cummins ISB Diesel 5.9L, Air/Hydraulic Brakes Mercedes Benz MBE900 Diesel 4.3L, Air Brakes Mercedes Benz MBE900 Diesel 4.3L, Hydraulic Brakes Mercedes Benz MBE900 Diesel 4.3L, Air/Hydraulic Brakes Mercedes Benz MBE900 Diesel 6.4L, Air Brakes Mercedes Benz MBE900 Diesel 6.4L, Hydraulic Brakes Mercedes Benz MBE900 Diesel 6.4L, Air/Hydraulic Brakes Caterpillar C7 Diesel 7.2L, Air Brakes Caterpillar C7 Diesel 7.2L, Hydraulic Brakes Mercedes Benz MBE900 Diesel 4.8L, Air Brakes Mercedes Benz MBE900 Diesel 4.8L, Hydraulic Brakes Mercedes Benz MBE900 Diesel 7.2L, Air Brakes Mercedes Benz MBE900 Diesel 7.2L, Hydraulic Brakes Cummins ISB Diesel 6.7L, Air Brakes Cummins ISB Diesel 6.7L, Hydraulic Brakes Powertrain Integration Pithon 8.0L LPG, Hydraulic Brakes Powertrain Integration Pithon 8.0L LPG, Air Brakes Detroit Diesel DD5 5.1L, Hydraulic Brakes for Thomas C2 Detroit Diesel DD5 5.1L, Air Brakes for Thomas C2 Cummins ISB 6.7L, Air Brakes Cummins ISB 6.7L, Hydraulic Brakes Agility 488 CI Propane, Air Brakes Agility 488 CI Propane, Hydraulic Brakes Proterra Electric, Air Brakes Proterra Electric, Hydraulic Brakes Dana Electric
9	0-9 or X	Check Digit
10	*	Model Year
12	C D H	Plant of Manufacture Gaffney, South Carolina Santiago, Tianguistenco, Mexico Mt. Holly, North Carolina
12-17	*	Serial Number