EMD Classification:	JT42CWR - "Class 66"
Built At:	General Motors/EMD - London, Ontario (Canada)
Wheel Arrangement:	CO–CO
Engine:	General Motors 12N-710G3B-EC : 2.462 kW (3.300 HP) at 904 rpm
Traction Alternator:	General Motors AR8PHEH
Auxiliary Alternator:	General Motors CA6B
Traction Motors:	General Motors D43TR Axle Hung (6x)
Power At Rail:	2.240 kW (3.000 HP)
Trucks:	HTCR-E
Wheel Diameter:	1,067 m.
Sanding Equipment:	8 x 42,5 litre carbody mounted sand boxes with air delivery (50 kg per box)
Gear Ratio:	81:20 (except for Freightliner 66/6: 83:18)
Maximum Speed:	120 kmh (except for Freightliner 66/6: 74.7 kmh)
Maximum Tractive Effort:	409 kN (except for Freightliner 66/6: 467 kN)
Continuous Tractive Effort:	260 kN at 25.6 km/h (except for Freightliner 66/6: 296 kN at 22.5 kmh)
Length:	21,35 m.
Width:	2,64 m.
Height:	3,91 m.
Maximum Weight:	126.000 kg.
Brake System:	Westinghouse PBL3 Air Brake
Brake Force:	68.000 kg.
Fuel Capacity:	6.550 lit.
Minimum Curve:	80 m. (radius)
Multiple Working:	JT26CW-SS (Class 59) , JT42CWR (Class 66) , JT42HW-HS (Class 67)