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Production of an industry    Transportation & communications 6000HP Freight Locomotive (SD90MAC)
SD90MAC
6000HP Freight Locomotive

General Information | Basic Features | Optional Features



PERFORMANCE SPECIFICATIONS
  • 6000 THP locomotive equipped with a GM16V265H engine
  • Higher tractive and braking effort capability
    • 170,000 lbs continuous TE
    • 200,000 lbs starting TE
    • 115,000 lbs braking effort
  • 16% improvement in fuel efficiency over SD40-2, 16-645E3B engine
RELIABILITY AND SERVICEABILITY
  • Increased scheduled maintenance interval to 122 days
  • 25% reduction in scheduled maintenance downtime
  • Reliability target: 140 days MTBF by utilizing reliability based maintenance strategies
  • 6 year engine overhaul period
  • Target labor and cycle time for component changeout:
    • 30 minutes for routine maintenance items
    • 2 hours for single component
    • 8 hours for major component
SAFETY ASPECTS
  • Satisfies all FRA/AAR crashworthiness requirements
  • Lowest cab sound and vibration levels available
  • Impact resistant fuel tank to minimize spills and leakage
  • Integral safety lockouts and discharge systems for high voltage
  • Electrically assisted parking brake - reduces potential for back injuries
  • 1 million lb. buff load capacity
  • 1 million lb. collision posts for increased crew protection
  • Frame mounted anti-climbers improved crew and equipment protection
PERFORMANCE IMPACT
  • The SD90MAC provides unit reduction, fuel savings and additional revenue tonnage capability over SD40-2 locomotives
  • Train simulation results of various round trips indicate:
    • 1 SD90MAC can replace 2 SD40-2’s in both heavy haul and high speed freight operations
 Country: USA
Publishing date: August 23, 2000

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