GP15D 1500HP Switching Locomotive General Information | Basic Features | Optional Features PERFORMANCE SPECIFICATIONS * 1500 THP locomotive equipped with GM12V170B15 engine * Tractive and braking effort capability o 56,000 lb continuous TE o 86,000 lb starting TE * Maximum speed 70 mph PERFORMANCE IMPACT * 28% maximum adhesion rating * Road engine at the flick of a switch * One GP15D can replace 2 older model Switchers in many applications COST SAVINGS * 20% improvement in fuel efficiency * 70% reduction in sand usage * Reduced servicing-2,250 gallon fuel tank * Simplified maintenance SAFETY ASPECTS * Cab design with 360° Visibility * Heated front and rear windows * Low cab sound and vibration levels * Collision posts and anti-climbers to comply with the latest AAR/FRA regulations Copyright ©1998 GM Electro-Motive Division.