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American Z Line Z 63123-2 SD70M-2 with Safety Cab, Florida East Coast (Rail America) #107
American Z Line Z 63123-2 SD70M-2 with Safety Cab, Florida East Coast (Rail America) #107
 
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Product Code: AZL-63123-2
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Description
 
The EMD SD70 is a series of diesel-electric locomotives produced by Electro-Motive Diesel in response to the GE Dash 9-44CW. Production commenced in late 1992 and since then over 4,000 units have been produced; most of these are the SD70M and SD70MAC models. All locomotives of this series are hood units with C-C trucks.

Prior to the SD70ACe and SD70M-2 models, all SD70 models were delivered with the self-steering HTCR radial truck. The radial truck allows the axles to steer in curves which reduces wear on the wheels and railhead. With the introduction of the SD70ACe and SD70M-2 models, EMD introduced a new bolsterless non-radial HTSC truck as the standard truck for these models in an effort to reduce costs. The HTCR-4 radial truck is still an option.

The SD70M has a wide nose and a large comfort cab (officially known as the "North American Safety Cab"), allowing crew members to ride more comfortably inside of the locomotive than the older standard cab designs. There are two versions of this cab on SD70Ms: the Phase I cab, which was first introduced on the SD60M, and is standard on the SD80MAC and SD90MACs, and the Phase II cab, which is a boxier design similar to the original three-piece windscreen on the SD60M, which is shared with the Phase II SD90MAC, SD89MAC, and SD80ACe. The Phase II cab has a two-piece windscreen like the Phase I windscreen but the design of the nose is more boxy, with a taller square midsection for more headroom.

The SD70M is equipped with D90TR DC traction motors and the 710G3B prime mover. They are capable of generating 109,000 lbf of continuous tractive effort. From mid-2000, the SD70M was produced with SD45-style flared radiators allowing for the larger radiator cores needed for split-cooling. Split-cooling is a feature that separates the coolant circuit for the prime mover and the circuit for the air pumps and turbocharger. There are two versions of this radiator: the older version has two large radiator panels on each side, and the newer version has four square panels on each side. This modification was made in response to the enactment of the United States Environmental Protection Agency's (EPA) Tier I environmental regulations.
Features
Directional controlled LED lighting
Traction tires
Prototype specific details
Separately applied add-on parts
Optional add-on plow
Dual flywheels
Brass handrails and side panels
Maintenance free can motor
AZL AutoLatch couplers
Can be upgraded to DCC with Digritax's DZ123Z0 decoder