Trucks: B-B (Heavy Swing Bolster)
Engine: 16-251B, 2,400 hp
Gear ratio: 65:18
Maximum speed: 75 mph
Operating weight (lbs.): 260,000
Tractive effort (lbs.): 47,000
Dynamic brakes: No
Length: 59′ – 4″
Order no.: Nos. 3200 – 3201 4904, Nos. 3202 – 3221 4907 / 4908, Nos. 3222 – 3240 4909
| Road no. | Class | Build date | Builder’s no. | Retired | Notes / disposition |
| 3200 | MR-24a | Nov 64 | 84837 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3201 | MR-24a | Nov 64 | 84838 | Nov 13 86 | Scrapped, Moncton NB Jun 88 |
| 3202 | MR-24b | Mar 66 | M3443-01 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3203 | MR-24b | Mar 66 | M3443-02 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3204 | MR-24b | 1966 Rebuilt Feb 68 | M3443-03 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3205 | MR-24b | Apr 66 | M3443-04 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3206 | MR-24b | May 66 | M3444-01 | Nov 13 86 | Scrapped Moncton NB May 87 |
| 3207 | MR-24b | May 66 | M3444-02 | Nov 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3208 | MR-24b | May 66 | M3444-03 | Nov 13 86 | Scrapped Moncton NB Jan 86? |
| 3209 | MR-24b | May 66 | M3444-04 | Mar 30 88 | Nos. 3209, 3234, 5013 derailed Endfield NS Sep 74, all repaired. To Century Locomotive (Lachine QC) for scrap Mar 90 |
| 3210 | MR-24b | May 66 | M3444-05 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3211 | MR-24b | May 66 | M3444-06 | Dec 8 88 | To Century Locomotive (Lachine QC) for scrap Mar 90 |
| 3212 | MR-24b | Jun 66 | M3444-07 | Mar 30 88 | To Sidbec-Feruni (Contecouer QC) for scrap 1988 |
| 3213 | MR-24b | Jun 66 | M3444-08 | Dec 8 88 | To Century Locomotive (Lachine QC) for scrap Mar 90 |
| 3214 | MR-24b | Jun 66 | M3444-09 | Nov 13 86 | Scrapped Moncton NB Jan 86 |
| 3215 | MR-24b | Jun 66 | M3444-10 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3216 | MR-24b | Jun 66 | M3444-11 | Nov 13 86 | Scrapped Moncton NB Feb 86 |
| 3217 | MR-24b | Jun 66 | M3444-12 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3218 | MR-24b | Jul 66 | M3444-13 | Nov 13 86 | Scrapped Moncton NB Apr 87 |
| 3219 | MR-24b | Jul 66 | M3444-14 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3220 | MR-24b | Aug 66 | M3444-15 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3221 | MR-24b | Aug 66 | M3444-16 | Nov 1 67 | Wrecked Dunrakin ON (Mile 194.6 Ruel Subdivision) Aug 2 67. Train #5 6522, 6538, 4118, train #402 3694, 3221, 3204. Nos. 6522, 6538, 3694 and 3221 were retired and scrapped. |
| 3222 | MR-24c | Jan 67 | M3477-01 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3223 | MR-24c | Jan 67 | M3477-02 | Jan 18 89 | To Century Locomotive (Lachine QC) for scrap 1991 |
| 3224 | MR-24c | Jan 67 | M3477-03 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3225 | MR-24c | Jan 67 | M3477-04 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3226 | MR-24c | Feb 67 | M3477-05 | Jan 26 84 | To N de M on lease 1978, sold to N de Mexico 1983 |
| 3227 | MR-24c | Feb 67 | M3477-06 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3228 | MR-24c | Feb 67 | M3477-07 | Jul 2 87 | To Century Locomotive (Lachine QC) for scrap Mar 90 |
| 3229 | MR-24c | Feb 67 | M3478-01 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3230 | MR-24c | Feb 67 | M3478-02 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3231 | MR-24c | Mar 67 | M3478-03 | Mar 30 88 | To Century Locomotive (Lachine QC) for scrap Mar 90 |
| 3232 | MR-24c | Mar 67 | M3478-04 | Nov 13 86 | Scrapped Moncton NB Nov 85 |
| 3233 | MR-24c | Mar 67 | M3478-05 | Jan 26 84 | Scrapped Moncton NB c. 1983-84 |
| 3234 | MR-24c | Apr 67 | M3478-06 | Jan 26 84 | Nos. 3209, 3234, 5013 derailed Endfield NS Sep 74, all repaired. To N de M on lease 1978, sold to N de Mexico 1983 |
| 3235 | MR-24c | Apr 67 | M3478-07 | Nov 13 85 | Scrapped Moncton NB Nov 87 |
| 3236 | MR-24c | Apr 67 | M3478-08 | Jan 18 89 | To Century Locomotive (Lachine QC) for scrap 1990 |
| 3237 | MR-24c | Apr 67 | M3478-09 | Nov 13 85 | To Century Locomotive (Lachine QC) for scrap Mar 90 |
| 3238 | MR-24c | Apr 67 | M3478-10 | Jun 6 68 | Wrecked Pefferlaw ON Jun 6 68 head on collision between trains #310 & 451 |
| 3239 | MR-24c | May 67 | M3478-11 | Nov 13 85 | Scrapped Moncton NB Nov 87 |
| 3240 | MR-24c | May 67 | M3478-12 | Sep 24 81 | Wrecked in head on collission on Lac St. Jean Subdivision between trains #427 & 428 Scrapped Moncton NB. |