CLASS 59

Sub class:

59/0

59/1

59/2

TOPS number range:

59001-59005

59101-59104

59201-59206

Construction model (GM):

JT26CW-SS

JT26CW-SS

JT26CW-SS

Built by:

GM-EMD, La Grange, Illinois, USA

GM-DD, London, Ontario, Canada

GM-DD, London, Ontario, Canada

Years introduced:

1985/89

1990

1994-1995

Wheel arrangement:

Co-Co

Co-Co

Co-Co

Weight:

121 tonnes

121 tonnes

121 tonnes

Height:

12ft 10in (3.91m)

12ft 10in (3.91m)

12ft 10in (3.91m)

Length:

70ft 01/2in (21.40m)

70ft 01/2in (21.40m)

70ft 01/2in (21.40m)

Width:

8ft 81/4in (2.65m)

8ft 81/4in (2.65m)

8ft 81/4in (2.65m)

Wheelbase:

56ft 9in (17.29m)

56ft 9in (17.29m)

56ft 9in (17.29m)

Bogie wheelbase:

13ft 7in (4.15m)

13ft 7in (4.15m)

13ft 7in (4.15m)

Bogie pivot centres:

43ft 6in (13.25m)

43ft 6in (13.25m)

43ft 6in (13.25m)

Wheel diameter:

3ft 6in (1.06m)

3ft 6in (1.06m)

3ft 6in (1.06m)

Min curve negotiable:

4 chains (80.46m)

4 chains (80.46m)

4 chains (80.46m)

Engine type:

EMD 16-645E3C

EMD 16-645E3C

EMD 16-645E3C

Engine output:

3,000hp (2,238kW)

3,000hp (2,238kW)

3,000hp (2,238kW)

Power at rail:

2,533hp (1,889kW)

2,533hp (1,889kW)

2,533hp (1,889kW)

Tractive effort:

122,000lb (573kN)

122,000lb (573kN)

122,000lb (573kN)

Cylinder bore:

9 1/16in (0.23m)

9 1/16in (0.23m)

9 1/16in (0.23m)

Cylinder stroke:

10in (0.25m)

10in (0.25m)

10in (0.25m)

Maximum speed:

60mph (97km/h)

60mph (97km/h)

75mph (121km/h)

Brake type:

Air

Air

Air

Brake force:

69 tonnes

69 tonnes

69 tonnes

Route availability:

7

7

7

Heating type:

Not fitted

Not fitted

Not fitted

Multiple coupling type:

AAR

AAR

AAR

Traction alternator:

EMD AR11

EMD AR11

EMD AR11

Companion alternator:

EMD D14A

EMD D14A

EMD D14A

Auxiliary alternator:

EMD 3A8147

EMD 3A8147

EMD 3A8147

Traction motor type:

EMD D77B

EMD D77B

EMD D77B

No of traction motors:

6

6

6

Gear ratio:

62:15

62:15

62:15

Fuel tank capacity:

1,000gal (4,546lit)

1,000gal (4,546lit)

1,000gal (4,546lit)

Cooling water capacity:

212gal (962lit)

212gal (962lit)

212gal (962lit)

Lub oil capacity:

202gal (920lit)

202gal (920lit)

202gal (920lit)

Sanding equipment:

Pneumatic

Pneumatic

Pneumatic

Sub class variations: Original loco fleet of five locos owned and operated by Foster Yeoman. Second batch of GM locos ordered for UK for use by ARC Southern, Slight modification to original design especially in front end area. Locos originally ordered by National Power and later sold to EWS. Modified technical and structural design to meet then latest Group Standards. Fitted with drop-head buck-eye couplers, now removed

Present operator:

Mendip Rail

Mendip Rail

EWS

Last Updated: 11/12/05