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Production of an industry
Production of an industry    Transportation & communications 4000HP AC Freight Locomotive (SD70MAC)
SD70MAC
4000HP AC Freight Locomotive

General Information | Basic Features | Optional Features



PERFORMANCE SPECIFICATIONS
  • 4000 THP locomotive equipped with a 16-710G3B-ES engine
  • Higher tractive and braking effort capability
    • 137,000 lbs continuous TE
    • 175,500 lbs starting TE
    • 81,000 lbs braking effort
  • 11% improvement in fuel efficiency over SD40-2, 16-645E3B engine
RELIABILITY AND SERVICEABILITY
  • True 92-day maintenance intervals
  • AC motors doubles traction motor life
    • No running maintenance required
    • No brushes, commutator, or rotor insulation
    • No flashovers/ground relays
  • Truck inverter control
    • High level of reliability with less parts
  • 1 million mile overhaul with radial truck
  • 6 year engine overhaul period
  • EM2000 advanced microprocessor control
    • increased speed and efficiency
    • reduced parts and increased reliability
SAFETY ASPECTS
  • Satisfies all FRA/AAR crashworthiness requirements
  • Optional impact resistant fuel tank minimizes spills and leakage
  • Lowest cab sound and vibration levels in industry (WhisperCab™)
  • 1 million lb. buff load capacity
  • 1 million lb. collision posts for increased crew protection
  • Frame mounted anti-climbers improve crew and equipment protection
PERFORMANCE IMPACT
  • The SD70MAC provides unit reduction, fuel savings and additional revenue tonnage capability over SD40-2 locomotives
  • Train simulation results and actual field demonstrations indicate:
    • 3 SD70MAC's can replace 5 SD40-2's in high tractive effort operations
    • Operation of fewer units results in significant maintenance and operating savings
Country: USA
Publishing date: August 23, 2000

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