Class 47 
Specification
 47/0 
Built by: Brush, Loughborough and BR Crewe   Built: 1963 - 1965
Orignal numbers carried: D1100 - D1111 / D1520 - D1701 / D1707 - D1781 / D1837 - D1874 / D1901 - D1999   Wheel arrangement: Co-Co
Engine: Sulzer 12LDA-28C 12 cylinder   Original Engine rating: 2750 H.P. at 800 r.p.m.
Derated Engine rating: 2580 H.P. at 750 r.p.m.   Engine rating: 2480 H.P. at 750 r.p.m. (EWS / Frightliner locos)
Cylinder Bore: 280 mm   Piston Stroke: 360 mm
Train heat: Clayton RO2500 MkII : D1100 / D1639 - D1681 / D1901 - D1947 / D1977 - D1999   Train Brake: Vacuum train brake as built D1520 - D1630 / D1682 - D1701 / D1707 - D1757
Spanner Mk III B : D1520 - D1615 / D1682 - D1701 / D1707 - D1781   Vacuum only train braked fitted locos where later fitted with dual Air and Vacuum train brakes
Stone-Vapor 4625 : D1101 - D1111 / D1616 - D1638 / D1837 - D1874 / D1948 - D1976   Dual train brake Air and Vacuum D1100 - D1111 / D1631 - D1681 / D1758 - D1999
Weight: 115 - 118 tons   Brake force: 60 ton, Vacuum / Air
Series Parallel Locos D1520 - D1574 / D1682 - D1701 / D1707 - D1714
Main Generator: Brush TG160-60 Mk IV - self ventilated, 8 pole compensated   Main Generator rating: 2130 amps, 844 volts, 1798 Kw at 1150 r.p.m.
Auxiliary Generator type: TG69-28 Mk IV self ventilated 6 pole   Auxiliary Generator rating: 500 amps, 110 volts, 55 Kw at 1150 r.p.m.
Traction Motors: Six Brush TM64-68 Mk Ia in series parrel   Traction motor gear ratio: 17:66
All Parallel Locos D1100 - D1111 / D1575 - D1681 / D1715 - D1781 / D1837 - D1874 / D1901 - D1999
Main Generator: Brush TG160-60 Mk I - self ventilated, 12 pole compensated   Main Generator rating: 4260 amps, 422 volts, 1798 Kw at 1150 r.p.m.
Auxiliary Generator type: TG69-20 Mk I self ventilated 6 pole   Auxiliary Generator rating: 455 amps, 110 volts, 50 Kw at 1150 r.p.m.
Traction Motors: Six Brush TM64-68 Mk1a in all parrel   Traction Motor rating 354 H.P., 409 volts, 710 amps, 753 r.p.m.
Traction motor gear ratio: 17:66   Brake force: 60 tons
Vacuum exhausters: 2 Northey 125 RE-FM D1520 - D1582 / D1682 - D1701   Compressor type: 1 D&M 2A115 rated at 45 cfm with Vacuum train brake
2 Reavell D1100 - D1111 / D1583 - D1681 / D1707 - D1999   2 D&M 2A115 rated at 45 cfm with Dual train brake
     
 47/2 
Converted from: Class 47/0 & Class 47/3   Dates: 1994 - 1998
Numbers carried: 47033, 049, 051, 053, 085, 095, 114, 125, 144-45, 150, 152, 156-57, 186, 188, 194, 200-01, 204-05, 47207, 209-11 ,213, 217-19, 222, 226, 228-229, 234, 236-37, 241, 245, 258, 279-81, 284-87, 289-293, 297-99, 301-04, 306-07, 309-10, 312-14, 316, 323, 326, 328, 330, 335, 337-38, 344, 351, 360-63, 365, 367, 370, 375, 378   Wheel arrangement: Co-Co
Engine: Sulzer 12LDA-28C 12 cylinder   Original Engine rating: 2580 H.P. at 750 r.p.m.
Cylinder Bore: 280 mm   Piston Stroke: 360 mm
Main Generator: Brush TG160-60 Mk I - self ventilated, 12 pole compensated   Main Generator rating: 4260 amps, 422 volts, 1798 Kw at 1150 r.p.m.
Traction Motor type: Six Brush TM64-68 Mk1a in series parrel   Traction Motor rating: 354 H.P., 409 volts, 710 amps, 753 r.p.m.
Traction motor gear ratio: 17:66   Compressor type: 2 D&M 2A115 rated at 45 cfm each
Brake force: 60 tons   Train Brake: Air
     
 47/3 
Built by: Brush, Loughborough   Built: 1964 - 1965
Orignal numbers carried: D1782 - D1836 / D1875 - D1900   Wheel arrangement: Co-Co
Engine: Sulzer 12LDA-28C 12 cylinder   Original Engine rating: 2750 H.P. at 800 r.p.m.
Derated Engine rating: 2580 H.P. at 750 r.p.m.   Engine rating: 2480 H.P. at 750 r.p.m. (EWS / Frightliner locos)
Cylinder Bore: 280 mm   Piston Stroke: 360 mm
Train Brake: Dual train brake Air and Vacuum   Brake force: 60 ton
Main Generator: Brush TG160-60 Mk I - self ventilated, 12 pole compensated   Main Generator rating: 4260 amps, 422 volts, 1798 Kw at 1150 r.p.m.
Auxiliary Generator type: TG69-20 Mk I self ventilated 6 pole   Auxiliary Generator rating: 455 amps, 110 volts, 50 Kw at 1150 r.p.m.
Traction Motors: Six Brush TM64-68 Mk1a in all parrel   Traction Motor rating 354 H.P., 409 volts, 710 amps, 753 r.p.m.
Traction motor gear ratio: 17:66   Weight: 112 tons
Vacuum exhausters: Reavell   Compressor type: D&M 2A115 rated at 45 cfm x 2
     
 47/4 
Built by: Brush, Loughborough and rebuilt from 47/0 at BR Crewe   Built: 1962 & 1966, Rebuilt from 1972 - 1987
Orignal numbers carried: D1500 - D1519 renumbered 47401 - 47420 / D1960 - D1961 renumbered 47514 - 47515 / 47421 onwards rebuilt from 47/0   Wheel arrangement: Co-Co
Engine: Sulzer 12LDA-28C 12 cylinder   Original Engine rating: 2750 H.P. at 800 r.p.m.
Derated Engine rating: 2580 H.P. at 750 r.p.m.   Engine rating: 2480 H.P. at 750 r.p.m. (EWS locos)
Cylinder Bore: 280 mm   Piston Stroke: 360 mm
Train heat: TG160-16 : D1500 - D1519   Train Brake: Vacuum train brake as built D1500 - D1519
BL100-30 : D1960 - D1961   Vacuum train brake as built D1500 - D1519
BL100-30 : 47421 - 47547 / 47549 - 47600 / 47602 - 47665 rebuilt from 47/0   Vacuum only train braked fitted locos later fitted with Dual Air / Vacuum train brakes
Spanner Mk III B : D1500 - D1519 / Stone-Vapor 4625 : D1960 - D1961   Dual train brake Air and Vacuum D1960 - D1961 / 47421 - 47547 / 47549 - 47600 / 47602 - 47665 rebuilt from 47/0
     
 47/6 
Rebuilt Built by: BREL Crewe   Rebuilt: 1975 (from 47046)
Number carried: 47601   Wheel arrangement: Co-Co
Engine: Ruston Paxman 16RK3CT 16 cylinder   Engine rating: 3250 H.P. at 900 r.p.m.
Cylinder Bore: 254 mm   Piston Stroke: 305 mm
Main alternator type: Brush BA1101A   Main alternator rating: amps? volts? 2420 Kw
Auxiliary alternator type: Brush BAA602A   Auxiliary alternator rating: x
Traction Motor type: Six Brush TM64-68 Mk1a in series parrel   Traction Motor rating: 354 H.P., 409 volts, 710 amps, 753 r.p.m.
Traction motor gear ratio: 17:66   Compressor type: 2 D&M 2A115 rated at 45 cfm each
Brake force: 60 tons   Train Brake: Air
     
 47/7 
     
 47/9 
Rebuilt Built by: BREL Crewe   Rebuilt: 1979 (from 47601)
Number carried: 47901   Wheel arrangement: Co-Co
Engine: Ruston Paxman 12RK3ACT 12 cylinder   Engine rating: 3300 H.P. at 900 r.p.m.
Cylinder Bore: 254 mm   Piston Stroke: 305 mm
Main alternator type: Brush BA1101A   Main alternator rating: amps? volts? 2500 Kw
Auxiliary alternator type: Brush BAA602A   Auxiliary alternator rating: x
Traction Motor type: Six Brush TM64-68 Mk1a in all parrel   Traction Motor rating: 354 H.P., 409 volts, 710 amps, 753 r.p.m.
Traction motor gear ratio: 17:66   Compressor type: 2 D&M 2A115 rated at 45 cfm each
Brake force: 61 tons   Train Brake: Air
     
 Class 48 
Built by: Brush, Loughborough   Built: 1964
Orignal numbers carried: D1702 - D1706   Wheel arrangement: Co-Co
Engine type: 12LVA-24   Engine rating: 2650 H.P. at 1050 r.p.m.
Cylinder Bore: 240 mm   Piston Stroke: 280 mm
Main Generator type: TG160-60 MkV self ventilated 8 pole compensated   Main Generator rating: 2130 amps, 818 volts, 1742 Kw at 1050 r.p.m.
Auxiliary Generator type: TG69-28 MkIV self ventilated 6 pole   Auxiliary Generator rating: 500 amps, 110 volts, 55 Kw at 1050 r.p.m.
Traction Motor type: Six Brush TM64-68 Mk1 in series parrel   Traction Motor rating 354 H.P., 409 volts, 710 amps, 753 r.p.m.
Traction motor gear ratio: 17:66   Compressor type: 1 D&M 2A115 rated at 45 cfm
Vacuum exhausters: 2 Northey 125 RE-FM   Brake force: 60 tons
Train heat: Spanner Mk III B   Train Brake: Vacuum