Galesburg, IL – BNSF continues 16th week operation of NRE’s (National Railway Equipment) high adhesion NR33CDE-IAC locomotive. The modified six axle SD40 locomotive fully fueled weighs 385,000 pounds and contains a NRE remanufactured 3300hp-645E3-AR10-D78s extended DB propulsion platform. Equipped with NRE’s NFORCE microprocessor, traction control card and Independent Axle Control (IAC) modules, the locomotive achieves 33-34% tractive effort.
“This technology can be applied to any 4 or 6 axle, DC traction motor equipped, switch or line haul GE or EMD locomotive. Improve your SD60s, SD75s GPs and or Dash 8s fleets to 33-34% tractive effort at a fraction of the cost of a new locomotives,” said Keith Batley, AVP Sales of NRE. “IAC control will improve adhesion by 50% over dash 2 control. This technology allows Mechanical departments the leverage of maintaining their traditional single engine, low cost to maintain propulsion package and Transportation, like new high adhesion performance in a maintainable asset. In heavy trailing tonnage high usage operation, IAC is all about asset utilization. Start and maintain 50% more trailing tons save significant fuel and lower maintenance cost by full utilization of assets,” Batley stated.
The operational testing of the IAC locomotive NRE 4321 showed promising results at the BNSF Galesburg, IL Hump Yard. BNSF was able to hump the same amount of tonnage/cars (Average 11K tons) using the IAC & 1 RCL remote control locomotive consistently and once the shove was at speed, using lower throttle notches than typically used on a three SD40-2 locomotive hump set. This suggests BNSF could reduce the three locomotive hump set in this yard by one locomotive and achieve significant fuel savings by utilizing this technology. The IAC technology could be one of the best DC locomotive upgrades to come along since Microprocessors based control systems.
- Fuel savings in high asset utilized operations
- AC locomotive performance on a DC traction locomotive at a fraction of the cost of new.
- Independent axle control
- HP maintained during wheel slip (VELOCITY)
- Enhanced motor protection
- Reduced alternator loading
- Commonality parts, maintenance and training
We are excited about how the technology will have an immediate impact on our industry. Considering the demands for additional power within North American and abroad no other system delivers power at a lower cost point, stated Steven L. Beal, President and CEO of NRE.