Train Simulator: Amtrak HHP-8 Loco Add-On

I track DLC purchases the way some people track bond portfolios, and the HHP-8 add-on is the kind of niche acquisition that rewards research. What you are actually buying is a simulation of one of American rail history's more interesting failures: a twin-cab, 8,000-horsepower electric built by Bombardier and Alstom that entered Northeast Corridor service alongside the Acela, looked nearly identical to it, shared almost none of its parts, and was retired after roughly fifteen years due to chronic reliability problems and punishing maintenance costs. That backstory is genuinely compelling, and Dovetail has rendered it faithfully in blue-and-silver Amtrak livery with a cab that includes cruise control, an in-cab signalling display with driver vigilance, switchable display screens, pantograph select, and flashing ditch lights. The power-system simulation is the most technically interesting part: the HHP-8 ran on three different catenary voltages across the corridor (12.5 kV 25 Hz, 12.5 kV 60 Hz, and 25 kV 60 Hz AC), and the add-on models dual-pantograph operation across those supply differences. For anyone who cares about NEC traction physics, that is a legitimate selling point. The package ships with four scenarios tied to the NEC: New York-New Haven route, and that route is a hard dependency, not a bonus. If you do not already own it, you are buying two DLCs simultaneously to get any structured play at all. The scenarios themselves cover a reasonable range of Northeast Regional operations, including a rescue run called Vermonter Rescue that at least adds some operational drama beyond point-to-point timekeeping. Amfleet I passenger cars are bundled in, which gives the consist some visual credibility. Quick Drive compatibility means you can place the HHP-8 on any Quick Drive-enabled route in your library, which substantially increases replay value if you already have a well-stocked route collection. Steam Workshop support is present and the broader Train Simulator Classic community has added scenarios over the years, though coverage for this specific loco is modest compared to more popular UK rolling stock. The Steam review picture is mixed, sitting around 66 percent positive across a small review pool. Common friction points tend to center on the add-on's age (released in 2014) and the dependency chain rather than the loco model itself. The cab detail and physics hold up reasonably well for a package of this vintage, but do not expect the tactile fidelity of more recent Dovetail or third-party releases. The scenario scripting is basic by today's standards, and the four included missions will not occupy a serious simulator player for more than a few hours before Workshop content becomes necessary. Who is this actually for? Primarily NEC enthusiasts and rail history collectors who want to run a locomotive that no longer exists in active Amtrak service and that very few simulators have modelled. If you fit that profile and already own the New York-New Haven route, the value proposition is straightforward. If you are building your Train Simulator Classic library from scratch, prioritize the route first and treat this loco as a follow-on purchase. The HHP-8 was a short chapter in American rail history, and this add-on captures it with enough mechanical specificity to satisfy anyone who finds that chapter worth revisiting. Diego, Scout Team

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