July 16, 2026

Statement of Work (SOW)

Road-Switcher Locomotives

RMS IDIQ CLIN 00100

1. Description & Scope

The Volpe Center is supporting the U.S. Army with lowering the age and maintenance costs of its locomotive fleet in a timely manner. This Statement of Work (SOW) specifies the manufacture and delivery of six (6) base 4-axle diesel-electric locomotives with options for two (2) additional 4-axle diesel-electric locomotives.

This specification is for newly manufactured road-switcher locomotives meeting current EPA Tier emissions certified off-road diesel engines and a complete range of technical data, materials, and equipment necessary to ensure long-term compliance, operations, support, and maintenance for the locomotives. The locomotives may consist of a single or multiple engine design. A technical data package must be provided with each locomotive.

1.1 Quantity and Partial Proposals

The Government is seeking a total fleet allocation of up to eight (8) locomotives (6 base, 2 options).

Offerors are authorized to propose any quantity of locomotives and are not contractually required to submit a proposal for the entire fleet quantity. Offerors may propose on a portion of the total quantity (e.g., 1, 2, or more locomotives) based on their production capacity and commercial interest. The Government reserves the right to make multiple task order awards across different contractors to fulfill the total fleet requirement.

1.2 Core Design Requirements

All locomotives shall be of a similar design for road/switcher service and must meet the following baseline requirements:

• Cab-forward, short low nose configured road-switcher locomotive configuration.

• Delivery to final destination included with the purchase price.

• Full commercial warranty, commissioning, and a comprehensive one-year supply of spare parts.

• Locomotives shall be capable of providing no less than 1,800 horsepower.

• Delivery of all awarded locomotives must be completed no later than 18 months after task order award.

1.3 Delivery Locations & Base/Option Quantities:

• Fort Campbell, Kentucky (1 Base)

• McAlester Army Ammunition Plant, Oklahoma (2 Base)

• Holston Army Ammunition Plant, Tennessee (2 Base)

• Fort Eustis, Virginia (1 Base)

• Tooele Army Depot, Utah (1 Option)

• Sierra Army Depot, California (1 Option)

2. Mandatory Compliance Framework

The locomotive and the selected manufacturer must fully satisfy the following regulatory standards:

• Association of American Railroads (AAR) Manual of Standards and Recommended Practices Section-M, Locomotives and Locomotive Equipment.

• AAR Interchange Rules for delivery to destination by rail.

• The Official Railway Equipment Register.

• Code of Federal Regulations (CFR) Title 49, Part 229 Railroad Locomotive Safety

Standards.

• American Welding Society D15.1 - Railroad Welding Specification.

• Mandatory active AAR M-1003 Quality Assurance Certification.

3. Technical Specifications

3.1 General Configuration

• Model Type: Freshly manufactured, single or multi-engine, four-axle road-switcher locomotive. Requalified frames are acceptable.

• Emissions: Must meet current TIER Emissions requirements at the time of manufacture.

In compliance with current Environmental Protection Agency (EPA) Locomotive Emissions Standards (40 CFR Part 1033) and/or EPA Non-road Compression Ignition Engine Standards (40 CFR Part 1039), as applicable to the engine design at the time of manufacture.

• Couplers & Draft Gears: AAR Standard, alignment control type (self-aligning), type E or F shelf couplers on both ends, top-operated as outlined in Rule 18. Equipped with 390/391 series draft gears or similar approved for road-switcher locomotives.

• Crashworthiness: AAR S-580 Crashworthy design featuring fortified anti-climbers and strengthened collision posts.

• Adhesion Control: Operable/automatic sanders for wheel adhesion in the direction of travel, controlled automatically by a microprocessor as well as manual application overrides.

• Speed Limits: Over-speed limit set strictly at 35 miles per hour (MPH), with highly visible placard signage indicating this restriction located inside the cab.

• Consumables: The Contractor shall provide maintenance item consumables (filters) and spare parts for the proper operation for one year of operating service after locomotive delivery. This baseline does not include fuel, engine coolant, and lube oil.

3.2 Air and Brakes

• CCB26 or equivalent AAR electronically controlled pneumatic brake system with self-test feature and fault tracing capability, fully compatible with the 26L air brake schedule.

• Automatic drain valves on the bottom of the drain on the primary air system along with an accessible manual drain.

• Independent brake valve control pressure set for 72 PSI standard brake cylinder.

• Basic duplex air end connections with automatic and independent brakes vented to the atmosphere below the cab floor.

• Immediate pneumatic knockdown to idle functionality.

• All air piping installed on the locomotive shall be 100% new.

• Main reservoir safety valve shall be set precisely at 150 PSI.

• New composition brake shoes must be utilized. If brake shoes are worn more than 50% during transit to the final destination, a brand-new set of composition brake shoes must be provided and installed by the contractor prior to acceptance.

• Emergency brake valve clearly marked and located in the cab.

• Timed delay functionality enabled on all penalty brake applications (overspeed, etc.).

3.3 Cab Environment

• Air Conditioning: Must be of a heavy-duty type specifically designed for locomotive environments (commercial RV-type units are strictly prohibited). Air conditioning condensate drain tubing must extend completely below the cab floor.

• Visibility: Equipped with window awnings, wind deflectors featuring full-length integrated mirrors, and adjustable sun visors.

• Wipers: Heavy-duty electric or pneumatic windshield wipers located at all four corners and the forward center window.

• Operating Console: Control Stand console must be fully compliant with AAR RP-5132 diesel locomotive control stand standards for new locomotives.

• Handbrake: Equipped with a motorized auto-crank handbrake.

3.4 Lighting & Illumination

• Dual headlights provided at both ends of the locomotive.

• Hood and engine compartment lights providing sufficient illumination for performing routine engine maintenance.

• Integrated step lights, walkway lights, and a roof-mounted amber strobe light.

• Active ditch lights that automatically flash when crossings are approached in accordance with 49 CFR Section 229.125. The flashing mechanism shall be capable of manual activation or deactivation by the crew.

• Cab interior lighting positioned to provide clear illumination for all control instruments, meters, and gauges, enabling the crew to make accurate readings from their normal seated positions.

3.5 Electrical, Electronics & Multiple Unit (MU) Operation

• Automatic ground relay system featuring comprehensive fault history logging capabilities.

• Locomotives shall be equipped with a working event recorder and non-resettable duty cycle recorder meeting current crashworthiness standards.

• Integrated speed indicator and a safety alerter with a reset mechanism compatible with both the speed indicator and event recorder.

• Roof-mounted alerting strobe light (amber color) located near the front center of the cab roof.

• Operative crossing bell and horn in strict compliance with 49 CFR Section 229.129.

• Fully compliant with AAR S-5502, Automatic Engine Start/Stop System standards.

• MU Operations: Wired completely to the AAR standard 27-wire train line using the basic

AAR pin arrangement. Ready for Multi-Unit Operation with other similarly configured locomotives. The 27-pin receptacles shall be located on both ends of the locomotive, with dummy receptacles placed on the opposite side of the working receptacles.

3.6 Wheels, Traction & Main Engines

• Four (4) D77 or equivalent traction motors equipped with new support bearing seal rings.

• Microprocessor-controlled wheel slip protection and advanced traction control systems.

• Individual traction motor isolation/cut-out switches.

• Gear case halves must be fastened securely together without the use of "C" clamps.

• Gear Ratio established at 62:15 on a standard two-axle truck arrangement.

• Brand new, 40-inch diameter cast steel wheels conforming to 49 CFR Section 229.73.

• Cartridge tapered roller bearing (CTRB) axle bearings.

• Main Engine(s): The design and fabrication of the diesel engine(s) shall offer the heavy structural integrity appropriate for rugged locomotive switching operations, sized to reliably achieve continuous locomotive power within all environmental constraints.

3.7 Fuel Tanks

• Brand new fuel tanks featuring an AAR S-5506 compliant anti-rollover spill design.

• Standard Snyder fuel fittings equipped on all filler pipes.

• Electronic fuel level gauges clearly legible and located on both sides of the fuel tank.

4. Training, Documentation & Support

4.1 Personnel Training

The Contractor shall provide comprehensive on-site operator training, hands-on maintenance training, and service/troubleshooting training stressing the importance of system interactions and long-term preventative maintenance.

• Training must be provided on-site at the delivery locations for up to four (4) personnel for a minimum duration of two (2) normal workdays.

• Training curricula must include equipment setup, detailed systems explanations, routine maintenance protocols, programming, and safety practices.

• An operator’s manual shall be provided for each student. Two (2) complete sets of special tools required to perform all maintenance functions will be provided during training.

• All training activities must take place within thirty (30) days following locomotive delivery and formal government acceptance.

4.2 Documentation Deliverables

All electronically formatted documentation shall be compatible with Adobe Acrobat Reader with the ability to be electronically reproduced for Government use. The Contractor shall provide commercial off-the-shelf original equipment manuals for all major components and subassemblies (engines, motors, compressors, HVAC, generators). The complete final documentation package must include:

• Locomotive dimensions, clearances, and fluid capacities.

• Component and part identification catalogs.

• Maintenance Manuals including comprehensive troubleshooting guides.

• Stand-Alone Operator’s Procedure Manual (OPM) detailing step-by-step starting/shutdown processes under all conditions, safety warnings, and single/multi-engine cut-out limitations.

• Parts/Service Manuals utilizing exploded-view illustrations cross-referenced by item number, name, quantity, and original manufacturer part number.

• Lubrication orders, electrical schematics, wiring diagrams, and piping flow diagrams (water, fuel, air, lube oil).

• All official manufacturing certifications, test records, repair logs, and inspection reports.

5. Painting, Lettering & Aesthetics

Contractor shall follow AAR requirements for surfaces that are not to be painted. Ferrous metal surfaces to be painted shall be cleaned via sandblasting or commercial-grade grit blasting. Surfaces shall be primed with rust-inhibiting high-solids, low-VOC urethane-compatible primer, applied to the dry film thickness recommended by the manufacturer. Paint specifications shall conform to AAR Standard M-1001 Section C, Part II, Section 5.2.

5.1 Paint Specifications & Classifications

• Paint Classification: Polyurethane

• Substrate: Primed Steel

• Pre-treatment: Sandblasted

• Federal Color Standard (595B): White (#17925), Black (#17038), Yellow (#13538), Red

(#11105)

5.2 Application Scheme

• Locomotive Body: Red

• Underframe & Trucks: Black

• Handrails, Grab Irons, Uncoupling Levers, & Sill Steps: Safety Yellow (including telescoping portions of the uncoupling levers).

• Steps: Black with high-visibility reflective strips on the front of each tread.

• Cab Interior: Manufacturer’s standard beige, gray, or tan enamel.

• Stenciling: Yellow locomotive prefix "USAX" and specific road numbers (to be provided by the Government) located clearly on the cab sides. Yellow lettering reading "UNITED STATES ARMY" (no smaller than 9 inches tall, equally spaced) located on both sides of the low hood.

• Safety Markings: Standard Chevron striping on the front face (angled 45 degrees downward toward the center) using 6-inch yellow stripes equally spaced. Permanent manufacturer’s builder tag mounted securely containing the manufacturer name, model number, serial number, and date of manufacture. Full compliance with Reflectorization Rules under 49 CFR Section 224.

• Touch-Up: All disturbed surfaces shall be returned to original pristine condition prior to final government acceptance.

6. Quality Assurance, Delivery & Warranty

6.1 Contractor Facility & Shop Ability

All manufacturing, inspection, and testing must be conducted, documented, and certified by an active AAR M-1003 certified shop utilizing AAR-approved practices and procedures. No alternative quality certifications or equivalency waivers will be accepted. The Contractor’s manufacturing facilities must be directly serviced by an active railhead connected to a recognized commercial railroad network. Facilities must meet all current OSHA and EPA standards. The locomotive shall be certified in writing as meeting 100% of these technical specifications.

6.2 Testing Framework

• Test at Origin: Prior to shipment, the locomotive must undergo a full operational test at no load for all manual controls, electronics, and accessories, followed by a complete cycle test after warm-up. A full performance test must be executed using the manufacturer's approved testing plan.

• Test at Destination: Upon rail delivery, the locomotive and connected railcars must successfully operate under load throughout the designated Army installation, proving the ability to maintain complete control with zero tendency to derail.

• Delivery Notice: At least thirty (30) days prior to delivery, the Contractor must notify the Government of the proposed arrival date to initiate security and base entry clearance processes for all delivery and assembly personnel.

6.3 Warranty

The comprehensive standard commercial warranty shall commence on the exact day the locomotive is formally accepted by the Volpe Center at the final military destination. A complete copy of the warranty terms shall be incorporated as an official attachment to the task order.

End of Statement of Work