Trucks: B-B cast frame
Engine: 6 cylinder Cooper-Bessemer FDL-6T, 600 hp.
Gear ratio: 106:15
Maximum speed: 55 mph
Operating weight (lbs.): 139,600
Tractive effort (lbs.): 23,000
Length: 37′ – 0″
| Road no. | Class | Built date | Builder’s no. | Order no. | Former road no. | Retired | Notes / disposition |
| 26 | ER-6a | Mar 50 | 30624 | 93297-TA | 1526, 7800, 7818 | Jan 70 | To Thurso & Nation Valley |
| 27 | ER-6a | Mar 50 | 30625 | 93297-TA | 1527, 7801, 7819 | Apr 69 | |
| 28 | ER-6a | Mar 50 | 30608 | 93297-TA | 1528, 7802 | Apr 65 | Wrecked Feb 65 |
| 29 | ER-6a | Mar 50 | 30609 | 93297-TA | 1529, 7803 | Apr 70 | To Thurso & Nation Valley No. 11 |
| 30 | ER-6a | 1950 | 30610 | 93297-TA | 1530, 7804 | Oct 19 83 | To Exporail (Delson, QC) 1984 |
| 31 | ER-6a | 1950 | 30611 | 93297-TA | 1531, 7805 | Dec 67 | |
| 32 | ER-6a | 1950 | 30612 | 93297-TA | 1532, 7806 | Nov 69 | |
| 33 | ER-6a | Apr 50 | 30613 | 93297-TA | 1533, 7807 | Oct 69 | To St. Lawrence Iron & Metal for scrap |
| 34 | ER-6a | Apr 50 | 30614 | 93297-TA | 1534, 7808 | Sep 69 | |
| 35 | ER-6a | Apr 50 | 30615 | 93297-TA | 1535, 7809 | Oct 19 83 | |
| 36 | ER-6a | Apr 50 | 30616 | 93297-TA | 1536, 7810 | Apr 70 | To Thurso & Nation Valley No. 12 |
| 37 | ER-6a | 1950 | 30617 | 93297-TA | 1537, 7811 | Jun 64 | Wrecked Dec 63 |
| 38 | ER-6a | 1950 | 30618 | 93297-TA | 1538, 7812 | Sep 69 | |
| 39 | ER-6a | 1950 | 30619 | 93297-TA | 1539, 7813 | Oct 68 | |
| 40 | ER-6a | 1950 | 30620 | 93297-TA | 1540, 7814 | Feb 8 80 | |
| 41 | ER-6a | 1950 | 30621 | 93297-TA | 1541, 7815 | Oct 19 83 | |
| 42 | ER-6a | 1950 | 30622 | 93297-TA | 1542, 7816 | Dec 67 | |
| 43 | ER-6a | May 50 | 30623 | 93297-TA | 1543, 7817 | May 62 | To Acadia Coal (Stellarton, NS) No. 43, to Hawker Siddely (Trenton, NS), to Eurocan Pulp & Paper 1983, to Forest Industry Museum (Prince George, BC) 2003 |