Numbering scheme

Here is the numbering scheme used for all Cape Ann rolling stock. Locomotives also use this convention: powered units have even road numbers, dummies or slugs carry odd road numbers. 

From	To	Type	Comment
1	99	passenger, non-revenue	Cape Ann business use
100	199	passenger, revenue
200	299	locomotive, switcher or FM	yard or pusher service
300	599	locomotive, F series	passenger service
600	799	locomotive, GP-18 series	freight service
800	899	locomotive, GP-20 and later series	freight service
900	999	non-revenue	caboose, maintenance of way, utility, and stationary
1000	1999	freight	flatcar
2000	2999	freight	gondola
3000	3999	freight	tank
4000	4999	freight	box
5000	5999	freight	refrigerator, perishables, livestock
6000	6999	freight	hopper, open
7000	7999	freight	hopper, closed
8000	9999		reserved for future use