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| 600 | 601 | 602 | 603 | 604 | 605 | 606 | 
| Class: | 600 | |
| Builder: | A.E.Goodwin, Sydney, New South Wales | |
| Number in Class: | 7 | |
| Model: | DL541 | |
| Wheel Arrangement: | Co-Co | |
| Engine: | Manufacture: | ALCO | 
| - | Model: | 251 C | 
| Cylinders: | Number: | V12 | 
| Power: | 1340 kW (1800 hp) | |
| Traction Motors (number): | 6 | |
| Gear ratio: | 65:18 | |
| Tractive Effort | Starting: | 367 kN | 
| - | Continuous: | 310 kN at 11 km/h | 
| Wheel Diameter (Driven): | 1.02 m | |
| Length (over coupling points): | 17.88 m | |
| Maximum Axle Load: | 18.8 t | |
| Total weight: | 112.8 t | |
| Fuel Capacity: | 5455 litres | |
| Maximum Speed: | 120 km/h | |
 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 26.3.1965 | Worked into Broken Hill on standard gauge. | 
| 29.3.1965 | Transferred to narrow gauge and despatched to Cultana where it was converted to standard gauge for use on construction trains. | 
| 2.4.1964 | Entered service as standard gauge 600 class diesel locomotive No.600, Builders No.G3419/01 | 
| 1.3.1978 | To Australian National Railways. | 
| 26.12.1978 | Collided with a front-end loader at Olary, along with locomotive 601. | 
| 1981 | Sent to New South Wales for inter-system locomotive working trials. | 
| - | Renumbered 607 to fit in with Australian National's new computer system. | 
| 10.2004 | Sold to "South Spur Rail Services". | 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 10.12.1965 | Worked into Broken Hill on standard gauge. | 
| 13.12.1965 | Transferred to narrow gauge and despatched to Cockburn. | 
| - | Stored for some time prior to being converted to standard gauge for use on construction trains. | 
| 16.8.1966 | Entered service as standard gauge 600 class diesel locomotive No.601, Builders No.G3419/02 | 
| 24.2.1970 | Hauled inaugral press Indian Pacific from Broken Hill to Port Pirie along with 864. | 
| 1.3.1978 | To Australian National Railways. | 
| 26.12.1978 | Collided with a front-end loader at Olary, along with locomotive 600. | 
| 1987 | External alterations, installation of extra cab windows, roof mounted sun visor, repositioning of air horns and bogie lift pads. | 
| - | Sold to Morrison Knudson (MKC) at Whyalla for conversion to "Tractive Effort Booster Unit" to work with Australian National AL class units. | 
| 7.8.1993 | Sent to Morrison Knudson (MKC) at Whyalla. | 
| 30.8.1994 | Entered service after conversion to BU 2 by Morrison Knudson (MKC) at Whyalla. | 
| 22.9.1994 | Caught fire whilst in service. | 
| 1996 | Withdrawn from service and placed in storage. | 
| - | Sold to NREC-ALCO. | 
| 31.3.2003 | Transferred to Adelaide for storage in the Islington workshops. [cp 5.2003] | 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 23.12.1969 | Entered service as standard gauge 600 class diesel locomotive No.602, Builders No.G6015/01 | 
| 1.3.1978 | To Australian National Railways. | 
| 15.9.1988 | Overhauled and engine uprated from 1340 kW (1800 hp) to 1490 kW (2000hp). | 
| 10.2004 | Sold to "South Spur Rail Services". | 
| 4.2016 | Sold to "Southern Shorthaul Railroad". | 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 23.12.1969 | Entered service as standard gauge 600 class diesel locomotive No.603, Builders No.G6015/02 | 
| 24.2.1970 | Hauled inaugral V.I.P. Indian Pacific from Broken Hill to Port Pirie along with 604. | 
| 1.3.1978 | To Australian National Railways. | 
| 1990 | Fitted with air-conditioning and engine upgraded to 1490 kW (200 hp). | 
| 19.5.1994 | Sent to Alice Springs for shunt duties whilst 863 being repaired. This was beleived to be the first time a 600 class had been to ALice Springs. | 
| 26.5.1994 | Returned to Dry Creek. | 
| 10.2004 | Sold to "South Spur Rail Services". | 
| 4.2016 | Sold to "Southern Shorthaul Railroad". | 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 23.12.1969 | Entered service as standard gauge 600 class diesel locomotive No.604, Builders No.G6015/03 | 
| 24.2.1970 | Hauled inaugral V.I.P. Indian Pacific from Broken Hill to Port Pirie along with 603. | 
| 1.3.1978 | To Australian National Railways. | 
| - | Sold to Morrison Knudson (MKC) at Whyalla for conversion to "Tractive Effort Booster Unit" to work with Australian National AL class units. | 
| 7.8.1994 | Sent to Morrison Knudson (MKC) at Whyalla. | 
| 17.9.1994 | Entered service after conversion to BU 3 by Morrison Knudson (MKC) at Whyalla. | 
| 1996 | Withdrawn from service and placed in storage. | 
| - | Sold to NREC-ALCO. | 
| 31.3.2003 | Transferred to Adelaide for storage in the Islington workshops. [cp 5.2003] | 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 2.1.1970 | Entered service as standard gauge 600 class diesel locomotive No.605, Builders No.G6015/04 | 
| 1.3.1978 | To Australian National Railways. | 
| 1990 | Uprated from 1340 kW (1800 hp) to 1490 kW (2000hp) as an experiment. | 
| - | Sold to Morrison Knudson (MKC) at Whyalla for conversion to "Tractive Effort Booster Unit" to work with Australian National AL class units. | 
| 1994 | Motor fitted to 705. | 
| 28.2.1994 | Sent to Morrison Knudson (MKC) at Whyalla. | 
| 5.8.1994 | Entered service after conversion to BU 1 by Morrison Knudson (MKC) at Whyalla. | 
| 1996 | Withdrawn from service and placed in storage. | 
| - | Sold to NREC-ALCO. | 
| 3.2000 | Used on load trials over the Adelaide Hills. | 
| 31.3.2003 | Transferred to Adelaide for storage in the Islington workshops. [cp 5.2003] | 
 
Diesel locomotive with Co-Co wheel arrangement, built by A.E.Goodwin.
| 4.1.1970 | Entered service as standard gauge 600 class diesel locomotive No.606, Builders No.G6015/05 | 
| 1.3.1978 | To Australian National Railways. | 
| 1990 | Uprated from 1340 kW (1800 hp) to 1490 kW (2000hp) as an experiment. | 
| - | Sold to Morrison Knudson (MKC) at Whyalla for conversion to "Tractive Effort Booster Unit" to work with Australian National AL class units. | 
| 12.10.1994 | Entered service after conversion to BU 4 by Morrison Knudson (MKC) at Whyalla. | 
| 1996 | Withdrawn from service and placed in storage. | 
| 31.3.2003 | Transferred to Adelaide for storage in the Islington workshops. [cp 5.2003] |