- All new tooling
- Genesis driveline with dynamically balanced five pole skew wound motor and dual flywheels
- All-wheel drive and electrical pick-up
- DCC ready
- Cab interior
- Detailed multi-piece fuel tanks
- Wire grab irons
- Metal lift rings
- See-through fans
- Celcon handrails
- Photo-etched non-skid end walks
- Flush mounted individual window 'glass'
Each of the following details are specific to railroad and era and may not be available on each locomotive:
- Dynamic brakes
- Snowplow or streamlined pilot
- Flush or hinged number boards
- Rectangular or oval cab door windows
- Selectable effect lighting
- Photo-etched metal and see-through molded intake grilles
- As built or rebuilt pilots and cut levers
- High or low headlights with appropriate housings
- Air conditioner, beacon, antennae
- Lost wax casting brass horns
By the early 1960's the Electro-Motive Division (EMD) was at a big disadvantage. Their 567 engine, in use for over 20 years, had reached it's peak at 2.500 horsepower in a turbocharged 16-cylinder version. EMD released a new 645 engine in 1966. The most powerful locomotive using this series of
engine was the SD45, powered by a 20-cylinder turbocharged 645E engine producing 3600 horsepower. Orders from railroads all over the country, especially western roads, poured in. Great Northern received the first one off the production line and Santa Fe took delivery of a 90-unit order the first year.
At the same time Santa Fe was looking to replace it's aging fleet of passenger locomotives. They wanted something more stylish than a freight hood unit with a steam generator for thier famous Super Chief train. EMD had already extended the SD45 frame and added a steam generator to the rear creating the SDP45. They responded to Santa Fe's request by adding a cowl body to the SDP45 thus creating the FP45.
Santa Fe took delivery of the first nine FP45's in December of 1967. Numbered 100-108, they were painted in the red and silver warbonnet passenger scheme with black Roman-style Santa Fe lettering on the sides. The cowl offered a cleaner engine compartment and internal walkways, both of which would lead to production of the F45, a regular SD45 with the cowl. Santa Fe acquired forty F45's in 1968, numbered 1900-1939 and delivered in the blue and yellow 'pinstripe' scheme. The second twenty were equipped with steam lines for use on passenger trains. When Amtrak took over passenger service the FP45's went into the freight pool, receiving blue and yellow paint. The pinstripe paint scheme gave way to the blue and yellow warbonnet scheme by 1980. In the early 80's all 40 FP45's and 8 F45's were rebuilt at the San Bernadino shops. During the failed merger with Southern Pacific seven FP45's and twenty F45's received red and yellow 'Kodachrome' paint. On July 4th, 1989, FP45's 5992 and 5998 were released from the San Bernadino shops as numbers 101 and
102 in the newly revived red and silver 'Super Fleet' scheme with a large Santa Fe on the sides. Two F45's were wrecked and scrapped and one was sold to Wisconsin Central while the remaining six were donated to various railroad museums. Six F45's were sold to Wisconsin Central and the remaining units went to Morrison-Knudsen as lease units with one being assigned and painted for Utah Railway.
Milwaukee Road was the other railroad that bought FP45's. Arriving in late 1968 for Hiawatha passenger service, they wore the UP yellow and gray scheme and were numbered 1-5. They differed from other F45's and FP45's as they did not have dynamic brakes installed. Even before Amtrak arrived these locomotives were re-assigned to freigt service between Chicago and the Twin Cities.
Great Northern acquired fourteen F45's, numbered 427-440 and painted in the Big Sky Blue scheme, in 1969. The internal walkways were important to the GN given the winter weather on the line between the Twin Cities and Seattle. Crews no longer had to worry about ice and snow covered walkways like on their hood units. GN planned to run all of their main line freights with a F45
on the point. GN ordered an additional 12 units, which were delivered as Burlington Northern 6614-6625 in 1970. BN continued the F45 purchase in 1971 with 20 additional units numbered 6626-6645. The 46 F45's were regular power on the Chicago to West Coast trains over the former GN lines. Three of the original GN units were leased to Utah Railway for five years after being retired by BN. Two other units were sold to Susquehanna and three went first to Trancisco, then to Wisconsin and Southern, and finally to Montana Rail Link. One of the two Susquehanna units was re-sold to MRL in 1993.
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