Trucks: B-B AAR Type A (pre-Flexicoil)
Engine: 12-567C, 1,200 hp.
Gear ratio: 62:15
Maximum speed: 65 mph
Operating weight (lbs.): 248,380
Tractive effort (lbs.): 36,000
Length: 44′ – 5″
Order no. 4270
Were lettered CV c. 1960 – 1968
For more information see CN Lines Volume 2, Number 3, page 9 – The GTW / CV Fifteen Hundreds (Compiled by Mike Christian)
| Road no. | Class | Build date | Builder’s no. | Subsequent road no. | Renumbering dates | Notes / disposition |
| 1505 | GR-12c | May 55 | 20413 | 1200, 1500 | 1956, 1957 | |
| 1506 | GR-12c | May 55 | 20414 | 1201, 1501 | 1956, 1957 | |
| 1507 | GR-12c | May 55 | 20415 | 1202, 1502 | 1956, 1957 | |
| 1508 | GR-12c | Jun 55 | 20416 | 1203, 1503 | 1956, 1957 |