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GE B23-7 / B30-7 / B36-7 – The Dash-7 Dynasty in O Scale
Sunset Models 3rd Rail – Summer 2025 Catalog
The muscle of the late 1970s and 1980s is back — and better than ever. For the first time, Sunset Models 3rd Railproudly presents the complete GE Dash-7 four-axle family: the B23-7, B30-7, and B36-7, each recreated in exacting O scale detail with the level of accuracy and craftsmanship you've come to expect from our brand.
These rugged road-switchers formed the backbone of freight operations across the U.S., delivering escalating horsepower with each series while retaining the unmistakable GE Dash-7 profile — long hoods, stepped radiators, and that signature burble under load. With brass and ABS construction, road-specific details, and state-of-the-art electronics, these models are built to rival brass and deliver authentic performance and visual punch for your layout.
⚙️ Model Features (All Variants):
ABS Body with Fine Brass Add-On Details
Fixed Pilots, Road-Specific Handrails, Horns, Fans, Antennas
Prototypical Truck Options (AAR-B or FB-2 where appropriate)
Ball Bearing Axle Journals
5-Pole Precision Can Motor
3-Rail: TMCC, ERR Cruise, Railsounds, Fan-Driven Smoke
2-Rail: ESU LokSound 5.0 – DC/DCC
Available with road-specific fuel tanks, dynamic brakes, and cab configurations
Accurate roadname-specific lighting and numberboard treatments
🚂 Prototype Overview
B23-7 – 2,250 hp, 12-cylinder workhorse with extended frame, produced 1977–1984
B30-7 – 3,000 hp, 16-cylinder hauler, ideal for fast freights, produced 1977–1983
B36-7 – 3,600 hp, GE’s high-horsepower answer to EMD’s GP50, with upgraded electronics and cooling, produced 1980–1985
🎨 Available Paint Schemes (Including Patched & Unique Variants):
B23-7:
Conrail (Standard & “Quality”)
Conrail “Keep It Moving” patch
CSX (YN1, YN2, “Pumpkin” MOW orange)
Southern (High Short Hood)
SCL BQ23-7 “Crew Cab” Variant
Metro-North (Red/Blue/Silver)
BNSF (patched ATSF units)
Santa Fe (Blue/Yellow & Kodachrome)
Southern Pacific
Missouri Pacific / Union Pacific (NLR Yellow/Gray) (Jenks Blue)
B30-7:
Southern Pacific (Speed Lettering)
Cotton Belt (Scarlet & Gray)
Burlington Northern (Green/White)
Chessie System (C&O, B&O)
CSX (YN1, YN2)
Missouri Pacific / Union Pacific (patched)/ (Jenks Blue)
Union Pacific
B36-7:
Seaboard System
British Columbia Rail
CSX (YN1, YN2, YN3)
Norfolk Southern (patched SBD/CSX units)
Conrail (Standard Blue)
Santa Fe (Blue/Yellow)
Southern Pacific
New Georgia Railroad
Ferrocarriles Nacionales de México (FNM blue/white)
Florida East Coast (FEC Blue/Yellow/White)
📝 Reserve Now
Each scheme and variant is being offered based on demand — minimum reservations required per paint scheme to ensure production. Don’t miss your chance to bring the complete Dash-7 fleet to your O scale mainline!
