1720 Class - Diesel Electric

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Like the 1620 class, the 1720s had a variety of uses. These included branchline freight, suburban and mainline passenger services, and shunting work. They can be found all around Queensland.

1723 of the 1720 class in Bicentennial Livery (Photo: Frank Archer)

1721 parked at the Diesel Shed at Mayne (Photo: John Boxall)

1726 shunting at the QRX Terminal at Moolabin (Photo: John Boxall)

1766 at Tennyson (Photo: John Boxall)

1768 shunting at the QRX Terminal at Moolabin (Photo: John Boxall)

TECHNICAL DATA

Locomotive Numbers 1720 - 1775
Type Diesel-Electric
Introduced 1966
Number in class 56; 53 in service
Manufacturer Clyde Engineering / Comeng, Rocklea
Gauge Narrow Gauge (1,067mm or 3' 6")
Axles O°-O°-O°   O°-O°-O°
Co-Co
Length 13.4m
Mass 62t
Engine EMD 8-645E
Generator EMD D25
Traction Motors EMD CD36
Power 745 kW / 1000 HP
Tractive Effort 176 / 149 kN
Speed 100km/h (62.5mph)

CLASS INFORMATION

Locomotive Serial No. In Service Withdrawn Scrapped Comments
1720 66-502 10/1966      
1721 66-503 10/1966      
1722 66-504 11/1966      
1723 66-505 11/1966      
1724 66-506 11/1966      
1725 66-507 12/1966      
1726 66-508 12/1966 1/1999    
1727 66-509 12/1966      
1728 67-510 1/1967      
1729 67-511 1/1967      
1730 67-512 1/1967      
1731 67-513 2/1967      
1732 67-514 2/1967      
1733 67-515 3/1967      
1734 67-516 3/1967      
1735 67-517 3/1967      
1736 67-518 4/1967      
1737 67-519 4/1967      
1738 67-520 5/1967      
1739 67-521 5/1967      
1740 67-522 5/1967      
1741 67-523 6/1967      
1742 67-524 6/1967      
1743 67-525 6/1967      
1744 67-558 9/1967      
1745 67-559 9/1967      
1746 67-560 11/1967      
1747 67-561 11/1967      
1748 68-562 12/1967      
1749 68-563 1/1968      
1750 68-564 2/1968      
1751 68-565 2/1968      
1752 68-566 3/1968      
1753 68-567 3/1968      
1754 68-634 8/1968      
1755 68-635 8/1968      
1756 68-636 8/1968      
1757 68-637 9/1968      
1758 68-638 9/1968      
1759 68-639 9/1968      
1760 68-640 10/1968      
1761 68-641 10/1968      
1762 68-642 10/1968      
1763 68-643 11/1968      
1764 68-644 12/1968      
1765 68-645 12/1968 6/1997    
1766 69-683 11/1968      
1767 69-684 12/1968 6/1999    
1768 69-685 1/1970      
1769 69-686 2/1970      
1770 69-687 2/1970      
1771 70-688 3/1970      
1772 70-689 3/1970      
1773 70-690 4/1970      
1774 70-691 4/1970      
1775 70-692 5/1970      

NAMED LOCOMOTIVES

Locomotive Given Name Comments
1770 James Cook 1770 was named to celebrate the bicentenary of Cook's visit to Australia.
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This page was last updated 13/03/00