The Renfe Series 333 are high power six-axle diesel-electric locomotives built in the 1970s; at the time of their introduction they were the most powerful non-electric locomotives in Spain.
| Renfe Class 333 |
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 Renfe Class 333 |
| Type and origin |
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| Power type | Diesel-electric |
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| Designer | Macosa, General Motors, NOHAB
Refurbishment : Alstom |
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| Build date | Original series : 1974–1976
333.1 1994–1995
333.2 1997–1998
333.3 2002–2003
333.4 2003–2004[1] |
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| Total produced | 333 (original): 93
333.1: 8
333.2: 4
333.3, 333.4: 92 |
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| Specifications |
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Configuration:
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| • UIC | Co′Co′ |
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| Gauge | 1,668 mm (5 ft 5+21⁄32 in) Iberian gauge |
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| Bogies | General Motors 'flexicoil' type |
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| Length | Original: 20.7 m (67 ft 11.0 in)
333.3/333.4:: 22.33 m (73 ft 3.1 in) |
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| Width | Original: 3.06 m (10 ft 0.47 in)
333.3/333.4: 3.16 m (10 ft 4.41 in) |
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| Height | Original: 4.28 m (14 ft 0.50 in)
333.3/333.4: 4.307 m (14 ft 1.57 in) |
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| Axle load | 20 t (19.7 long tons; 22.0 short tons) |
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| Loco weight | 120 t (118 long tons; 132 short tons) |
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| Fuel type | Diesel |
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| Fuel capacity | Original: 4,500 L (990 imp gal; 1,200 US gal)[2]
333.3: 7,200 L (1,600 imp gal; 1,900 US gal) (6,000 L or 1,300 imp gal or 1,600 US gal?[3]) |
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| Prime mover | General Motors GM 16-645-E-3 3,300 hp (2,500 kW) |
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| Engine type | two-stroke diesel |
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| Alternator | General Motors AR-10 / D-14 |
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| Traction motors | Original: 6 of GM D-77
RENFE 333.3 and 333.4: 6 of D-78 |
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| Cylinders | V16 |
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| Transmission | Electric |
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| Loco brake | Pneumatic and rheostatic[2] |
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| Performance figures |
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| Maximum speed | 333 (original): 146 km/h (91 mph)
333.1: 160 km/h (99 mph)
333.2: 140 km/h (87 mph)
333.3: 120 km/h (75 mph)
333.4: 160 km/h (99 mph)[1] |
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| Power output | Original: 1,875 kW (2,514 hp) (nominal at rail)[4] |
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| Tractive effort | Original
starting: 330 kN (74,000 lbf) at μ=0.28
Continuous: 276 kN (62,000 lbf) at 23.5 km/h (14.6 mph)
Top speed: 47 kN (11,000 lbf) at 150 km/h (93 mph)[4]
Rebuilt (333.3 and 333.4)
Starting: 341 kN (77,000 lbf)
Continuous: 320 kN (72,000 lbf) at 20 km/h (12 mph)[3] |
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| Career |
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| Operators | Renfe |
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| Nicknames | Rambo[5] (original build) |
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| Locale | Spain |
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After three decades of service the class were rebuilt incorporating Alstom's newer technology, and thus extending their life - these rebuilt machines were given the sub-class names 333.3 and 333.4
