Editing Northern Counties Committee (section)

=====Broad gauge steam locomotives=====
{|class="wikitable"
|-
!Class
!Wheel <br />
arrangement
!Driving <br />
wheel diam
!Cylinders <br />
bore x stroke <br />
(in)
!Boiler <br />
pressure <br />
(psi)
!Tractive <br />
effort <br />
(lbs)
!Locomotive <br />
weight
!Remarks
|-							
|| [[BNCR Class A|A]] || 4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 18 & 26 x 24 || align=right|175 || align=right|16 065 || 45t 1cwt || Compound
|-
|| [[NCC Class A1|A1]] ||4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 18 x 24 || align=right|200 || align=right|18 360 || 46t 7cwt ||	
|-
|| [[BNCR Class B|B]] || 4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 16 & 23{{frac|1|4}} x 24 || align=right|160 || align=right|11 560 || 39t 17cwt || Compound
|-
|| B1 || 4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 16 & 23{{frac|1|4}} x 24 || align=right|160 || align=right|11 560 || 43t 9cwt || Compound
|-
|| B2 || 4-4-0 || 6&nbsp;ft 0 in||  ||  ||  || ||
|-
|| [[NCC Class B3|B3]] || 4-4-0 || 6&nbsp;ft 0 in|| 18 x 24 || align=right|200 || align=right|18 360 || 45t 2cwt ||	
|-
|| C || 2-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 16 & 23{{frac|1|4}} x 24 || align=right|160 || align=right|11 560 || 37t 6cwt || Compound
|-
|| C1 || 2-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 16 & 23{{frac|1|4}} x 24 ||  ||  || 43t 8cwt || Compound
|-
|| [[BNCR Class D|D]] || 4-4-0 || {{convert|7|ft|0|in|m|abbr=on}} || 18 & 25 x 24 || align=right|160 || align=right|13 685 || 46t 9cwt || Compound
|-
|| [[NCC Class D1|D1]] || 4-4-0 || {{convert|7|ft|0|in|m|abbr=on}} || 19 x 24 || align=right|170 || align=right|14 904 || 46t 12cwt ||	
|-
|| E || 0-6-0 || 5&nbsp;ft 2{{frac|1|2}}in || 18 & 26 x 24 ||  ||  ||  || Compound
|-
|| E1|| 0-6-0 || 5&nbsp;ft 2{{frac|1|2}}in || 18 & 26 x 24 || align=right|175 || align=right|18 593 || 43t 11cwt || Compound
|-
|| F || 2-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 17 x 24 ||  ||  || 37t 10cwt ||	
|-
|| F1 || 2-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 17 x 24 ||  ||  || 38t 1cwt ||	
|-
|| G ||	2-4-0 || {{convert|5|ft|6|in|m|abbr=on}} || 16 x 22 ||  ||  || 34t 0cwt ||  	
|-
|| G1|| 2-4-0 || {{convert|5|ft|6|in|m|abbr=on}} || 16 x 22 ||  ||  || 38t 1cwt ||	
|-
|| H ||	2-4-0 || {{convert|5|ft|6|in|m|abbr=on}} || 15 x 22 ||  ||  || 33t 5cwt ||	
|-
|| I ||	2-4-0 || {{convert|5|ft|6|in|m|abbr=on}} || 15 x 20 ||  ||  || 29t 4cwt ||	
|-
|| J ||	2-4-0ST|| 5&nbsp;ft 2{{frac|3|8}}in || 15 x 20 || align=right|140 || align=right|8 925 || 37t 8cwt ||	
|-
|| [[NCC Class K|K]] ||	0-6-0 || 5&nbsp;ft 2{{frac|1|2}}in || 17 x 24 || align=right|170 || align=right|16 184 || 38t 9cwt ||	
|-
|| [[NCC Class K1|K1]] || 0-6-0 || 5&nbsp;ft 2{{frac|1|2}}in || 17 x 24 || align=right|170 || align=right|16 184 || 39t 8cwt ||	
|-
|| L ||	0-6-0 || {{convert|4|ft|6|in|m|abbr=on}} || 17 x 24 ||  ||  || 38t 16cwt || 	
|-
|| L1 || 0-6-0 || {{convert|4|ft|6|in|m|abbr=on}} || 17 x 24 ||  ||  || 38t 15cwt ||	
|-
|| M ||	0-4-2 ||  || 17 x 24 ||	 ||  || 39t 8cwt || ex-[[Londonderry & Coleraine Railway|L&C Rly]]	
|-
|| [[BNCR Class N|N]] || 0-4-0ST || 4&nbsp;ft 0{{frac|1|8}}in || 16 x 22 || align=right|130 || align=right|12 707 || 30t 0cwt || Dock engines
|-
|| T* || 0-2-2T ||  ||  ||  ||  || 25t 10cwt || Railmotor units
|-
|| U ||	4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 19 x 24 ||  ||  || 47t 12cwt|| 	
|-
|| [[NCC Class U1|U1]] || 4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 18 x 24 || align=right|170 || align=right|15 696 || 50t 14cwt ||	
|-
|| [[NCC Class U2|U2]] || 4-4-0 || {{convert|6|ft|0|in|m|abbr=on}} || 19 x 24 || align=right|170 || align=right|17 388 || 51t 10cwt ||	
|-
|| [[NCC Class V|V]] || 0-6-0 || 5&nbsp;ft 2{{frac|1|2}}in  || 19 x 24 || align=right|170 || align=right|20 031 || 28t 17cwt ||	
|-
|| [[NCC Class W|W]] || 2-6-0 || {{convert|6|ft|0|in|m|abbr=on}} || 19 x 26 || align=right|200 || align=right|22 160 || 62t 10cwt ||	
|-
|| [[NCC Class WT|WT]] || 2-6-4T || {{convert|6|ft|0|in|m|abbr=on}} || 19 x 26 || align=right|200 || align=right|22 160 || 87t 0cwt || 	
|-
|| [[NCC Y Class|Y]] || 0-6-0T || {{convert|4|ft|7|in|m|abbr=on}} || 18 x 26 || align=right|160 || align=right|20 830 || 49t 10cwt || ex-[[LMS Fowler Class 3F|LMS Class 3F]]
|-
|| 91<sup>†</sup> || 0-4-0T ||  ||  ||  ||  ||  || [[Sentinel Waggon Works|Sentinel]] shunter
|}

<small>* Class T became extinct in 1913; the designation was reassigned to the ex-Ballycastle Railway 4-4-2T narrow gauge locomotives when they were acquired in 1924.<br /><sup>†</sup> No class letter was assigned to No.91.</small>