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Specifications
Specifications
Configuration:;
• Whyte	4-6-4T
Gauge	3 ft 6 in (1,067 mm)
Driver dia.	42.5 in (1.080 m)
Adhesive weight	35 long tons (36 t)
Loco weight	55.2 long tons (56.1 tonnes; 61.8 short tons)
Fuel type	Coal
Firebox:
• Grate area	17.5 sq ft (1.63 m2)
Boiler pressure	180 lbf/in2 (1,241 kPa)
Heating surface	1,037 sq ft (96.3 m2)
Cylinders	Two, outside
Cylinder size	16 in × 22 in (406 mm × 559 mm)

Type and origin
Type and origin
Power type	Steam
Builder	NZGR Addington Workshops
Build date	1902, 1943
Total produced	3

NZR W^E class
NZR WE class
	WE class No. 198
Power type
Type and origin
Power type	Steam
Builder	NZGR Addington Workshops
Build date	1902, 1943
Total produced	3
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-4T
Gauge	3 ft 6 in (1,067 mm)
Driver dia.	42.5 in (1.080 m)
Adhesive weight	35 long tons (36 t)
Loco weight	55.2 long tons (56.1 tonnes; 61.8 short tons)
Fuel type	Coal
Firebox:
• Grate area	17.5 sq ft (1.63 m2)
Boiler pressure	180 lbf/in2 (1,241 kPa)
Heating surface	1,037 sq ft (96.3 m2)
Cylinders	Two, outside
Cylinder size	16 in × 22 in (406 mm × 559 mm)
Tractive effort
Performance figures
Tractive effort	15,780 lbf (70.19 kN)
Operators
Career
Operators	NZR
Locale	West Coast
Withdrawn	1964-1969
Disposition	Withdrawn, Scrapped

The NZR W^E Class were rebuilt from earlier Sharp Stewart built B class locomotives. In service, the first two were tried on the Rimutaka Incline, however, they lacked the required adhesion on the 1 in 15 (6.67%) grade. They were later transferred to Greymouth for use on the Rewanui Incline, where they were far more successful, on the line's 1 in 25 (4%) grade. It is not known if they ever operated on the Roa Incline.

The three We class locomotives lasted until 1964 with the last withdrawn in 1969.^[1]

References

^ Palmer & Stewart 1965, p. 81.

Bibliography

Stewart, W. W. (1974). When Steam was King. Wellington: A. H. & A. W. Reed Ltd. ISBN 978-0-589-00382-1.
Palmer, A. N.; Stewart, W. W. (1965). Cavalcade of New Zealand Locomotives. Wellington: A H. & A W. Reed. ISBN 978-0-207-94500-7.