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Diesel Locomotive |
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RIO GRANDE, SP |
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BRUTE STRENGTH!
Thats what the Southern Pacific was looking for in the early 1960s. The SP found it in Europe in the Krauss-Maffei ML4000.
The 4,000-hp ML4000 was powered by high-revving Maybach diesel engines, driving one axle in each truck through torque-converter
hydraulic transmissions. All axles on the truck were geared together, in theory reducing wheel slippage.
Not wanting to eat the entire cost of "proofing" the "hydro"s, the SP shared an order of six units with the Rio Grande. Delivered in 1961, three went to the SP (#9021-9023), and three to the Grande (#4001-4003). Delivered with hydraulic M-U connections, in short order both roads changed to electric M-U connections. Initially, all the units suffered from "breathing" problems in tunnels, due to the topside air intakes. Again, both roads modified the ML4000s by internal ducting of intake air from truck height. This required relocation of the air tanks to the top of the engine cowling. (As an interesting sidelight, the D&RGW applied temporary plywood ducts on the outside of the engine hood.)
Surprisingly, it turned out that the ML4000s were prone to slippage and had significant problems with maintenance, and by 1964 the Grande had had enough. Their units were sold to the SP. The initial K-Ms had a cab-type/"bulldog" nose while later models came with the more diesel-typical hood nose. We are limiting our offerings to the initial order of cab-nose ML4000s.
As usual, the Division Point will offer a limited number of these interesting units. Expect the usual smooth running and attention to detail, and make your reservations known to your Division Point dealer! MSRP to be announced.
DP-5201 D&RGW's #4003 Krause-Maffei ML4000 (Production Sample)
D&RGW's #4003 Krause-Maffei ML4000 with #10 Dynamometer Car (DP-5209)
| Offered in the following schemes: | ||
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D&RGW #4001-4003, Krauss-Maffei ML4000, external intake air ducts DP-5207: Grande Gold w/single black stripe |
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D&RGW #4001-4003, Krauss-Maffei ML4000, internal intake air ducts, relocated air tanks DP-5201: Grande Gold w/single black stripe |
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Southern Pacific #9021-9023, Krauss-Maffei ML4000 (ex-D&RGW 4001-4003 DP-5203: Grande Gold w/single black stripe, modified SP nose herald |
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Southern Pacific #9021-9023, Krauss-Maffei ML4000 (ex-D&RGW 4001-4003 DP-5208: Ex-Rio Grande (ex-4001-4003) repainted in "Bloody Nose" scheme Note: #9021 will be produce in pre-fire configuration |
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Southern Pacific #9000-9002, Krauss-Maffei ML4000, external intake air ducts DP-5204: "Bloody Nose" paint scheme |
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Southern Pacific #9000-9002, Krauss-Maffei ML4000, internal intake air ducts DP-5205: "Bloody Nose" paint scheme |
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| And as the "SPECIAL EDITION": | ||
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A 3-unit set, consisting of D&RGW #4001 and 4003, with D&RGW #10 Dynamometer Car DP-5206: Grande Gold w/single black stripe |
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DP-5209 (reference only): D&RGW #10 Dynamometer Car in Grande Gold w/single black stripe | |
DONE EXCLUSIVELY FOR BRASSTRAINS.COM |  |
Krauss-Maffei ML4000 DP-5202: M-F Demonstrator painted in SP grey & red (VARIATION REVIVED) |
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