Description
Railroad Short Name: SP
During the 1980’s, SP’s aging fleet of SD40’s were in dire need of rebuilding. They went through SP’s “GRIP” program which upgraded the whole locomotive, becoming SD40R’s. By the late 1980’s, the original SP equipped gyralights became expensive to maintain and were removed to save costs. By 1994, some got repainted into SP’s then-new “speed lettered” scheme. Around this same time, SP contracted MK to rebuild numerous SD40 locomotive cores to basically a “new” version, a SD40M-2. MK added new features to these such as alternating front ditch lights, Timken roller bearings, and computerized wheel slip control. They were all used system wide and found in many types of service.
SP SD40R GRIP Rebuilds:
- Blanked out/removed gyralights
- Relocated horn
- Tall forward ditch lights
- Modified L window cab
- Truck mounted spare knuckles
- Large EMD plow
- Extra dynamic brake vents
- Nose ratchet brake
- GRIP rebuilt battery box doors
- SP style low mounted brake cylinder trucks
Road Number Specific Features:
#7303
- Red number boards
- Nathan P-3 Horn
- Stratolight Beacon
#7316
- Nathan P-3 horn
Locomotive Features:
- LED lighting
- Photo-etched stainless steel windshield wipers
- Fully assembled and ready-to-run
- Separately applied wire grab irons
- Separately applied air tanks
- Coupler cut levers
- Rubber MU hoses
- Fine scale handrails molded in engineering plastic
- Non-sound version features 21-pin NEM DCC plug
- See-through dynamic brake and radiator fans
- Curved radiator fan grab iron
- Exhaust stack
- Frame mounted bell (unless noted)
- Detailed 4000 gallon fuel tank (unless different capacity is noted)
- Flexicoil-C trucks with high or low brake cylinders (per prototype)
- McHenry scale knuckle spring couplers
- Highly-detailed, injection molded body featuring new tooling
- Painted and printed for realistic decoration
- See through cab windows
- Bi-directional LED lighting
- All-wheel drive with precision gears for smooth and quiet operation
- All-wheel electrical pickup
- 5-pole motor with flywheels and multi-link drivetrain for trouble-free operation
- Wheels with RP25 contours operate on all popular brands of track
- Minimum radius: 18”
- Recommended radius: 22”
Sound Features:
- Onnboard Econami sound decoder by Soundtraxx
- Sound units operate in both DC and DCC
- Engine startup sound sequence
- All functions NMRA compatible in DCC mode
- Dynamic brake sound or Non-Dynamic Straight to idle on F4
- Some functions are limited in DC
- Extra prime mover and horn sounds exclusive to Athearn version
- Slow speed control
- Multiple bell sound files user configurable via Configuration Value (CV)
- CV chart included in the box
- Sound units operate in both DC and DCC
- Full DCC functions available when operated in DCC mode
- Engine, horn, and bell sounds work in DC
- All functions NMRA compatible in DCC mode
- Excellent Slow speed control
- CV chart included in the box
- Current Keeper ready with on board expansion plug
- Operating lighting functions with F5 and/or F6
- Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights
- Many functions can be altered via CV changes
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