Description
Railroad Short Name: SP
Making its debut in 1963, the new engine would pave the way for future generations of hood units. Offering 2500 horsepower and a number of innovative new features, many were purchased as replacements for elderly diesels, and since EMD took trade-ins, some were constructed with rebuilt parts, notably trucks, from other builders! Along with these variations, modelers and railfans noted other changes made during the production run, and began referring to early examples as Phase I (also knwon as Phase 1) while those built after mid-1965 became Phase II (also known as Phase 2); EMD however considered them all the same and never used these designations. By the time production ended in 1966, over 1300 were in service, and many are still running on shortlines and at museums today.
#6665 & #6676 Features:
Based on units in service from 1965 renumbering to late 1970s with:
- Five-light package with operating upper Gyra-Light, emergency stop signal (DCC only) & lower headlight
- Nathan P-3 air horn
- Whip antenna
- Cab sunshades
- Extended dynamic brake hatch
- 4 jack pads
- 2600-gallon fuel tank
- Front plow
- Tall air filter/dryer
- Cab-mounted bell
- Standard Blomberg B trucks with outside brake shoes
Locomotives Feature:
- Based on Phase II units in service from 1965 to the present
- Road-specific details
- Five-pole, skew-wound, high-torque, high-efficiency can motor
- Helical gears with 14:1 ratio for smooth, ultra-quiet running
- Easy multiple-unit operation
- Proto MAX(TM) metal knuckle couplers
#6341 & #6359 Features:
Based on General Repair and Improvement Program (GRIP) GP35R rebuilt units in service from the early 1980s to early 1990s with:
- Working SP light package & blanked-out class lights front & rear; no number board on high hood
- GRIP rebuild extended left handrail, equipment and walkway boxes
- Brass Nathan P-3 air horn
- Whip-style radio antenna
- Cab-mounted bell
- Raised inertial filter “dust bin” hatch
- Mesh intake grilles
- Dual extended range dynamic brake hatch
- Front snowplow
- Rear pilot with cable box, no footboards
- Low headlight
- Standard Blomberg B trucks with outside brake shoes
- 2600-gallon fuel tank
- Tall air filter/dryer
- 8 jack pads
- Sunshades
Locomotives Feature:
- Based on Phase II units in service from 1965 to the present
- Road-specific details
- Five-pole, skew-wound, high-torque, high-efficiency can motor
- Helical gears with 14:1 ratio for smooth, ultra-quiet running
- Easy multiple-unit operation
- Proto MAX(TM) metal knuckle couplers
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