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 Unit Identification,
Motorcoach Division


As taken from a CROWN Service & Parts Catalog . . .

All vehicles manufactured by the Motor Coach Division of Crown Coach Corporation have a Vehicle Record plate in the drivers compartment on the dash panel, centered. The information on the plate is needed in registering the vehicle for licensing purposes and for ordering replacement parts.

The following section will give a brief idea on how the make/model numbers were assigned on Crown Supercoaches.

The number in the upper left box is the Make or Model Number.

2AD-743-11-1.5AC

This group of numbers and letters indicates the engine location, number of rear axles or if engine is diesel (School Coaches did not use the "D" in their make/model number). The various possibilities are:

2 - Tandem rear axle

F - Front engine

A - Amidship engine

R - Rear engine

D - Diesel engine

2AD-743-11-1.5AC

This group of numbers and letters indicates the engine. The various possibilities include:

534 - 534 SD Ford

450 - RD 450 International Harvester

501 - RD 501 International Harvester

549 - V-8 549 International Harvester

504 - 504 GH Hall Scott

590 - 590 GH Hall Scott

779 - 779 GH Hall Scott

190 - 190 Hall Scott

588 - V 200 Cummins

505 - Cummins 8.3

672 - NHH 195 Cummins

743 - NHH 220 Cummins

743T - NHHT 220 Cummins

855 - NHH 250 Cummins

8V71 - 8V71 GMC

568 - 8V71 Detroit Diesel

552 - 6V92 Detroit Diesel

426 - 671 Detroit Diesel

2AD-743-11-1.5AC

This group of numbers indicates the tire size. The various possibilities include:

10 - 10.00 X 20 or 22 Tires

11 - 11.00 X 20 or 22 Tires

12 - 12.00 X 20 or 22 Tires

12 - 12.00 X 22.5 Tires

2AD-743-11-1.5AC

This group of numbers and letters indicates body variations. The various possibilities are:

1.5 - Split level floor (Crown Custom Coaches - not School Coaches)

AC - Air Conditioning