
2004 Ford F-350 "Fummins" Frame-Off Build
The most comprehensive, iconic build in the history of Diamond Truck Service: a complete frame-off restoration merging iconic Ford Super Duty chassis strength with the legendary reliability of a built 12-Valve P-Pump Cummins.
Frame-Off Teardown to Finished Machine
Drag the interactive slider below to inspect the bare sandblasted frame vs. the completed Fummins truck.


Complete Build Specifications
6.1L Built 12-Valve Cummins
Fully blueprinted 12-valve Cummins block swapped in place of the factory power plant, featuring built connecting rods, upgraded valvetrain, and heavy-duty pushrods.
Built P-Pump & Big Turbo
Legendary Bosch P7100 mechanical injection pump conversion with oversized delivery valves, high-flow injectors, and a high-efficiency big turbo induction system.
Fully Built Heavy-Duty Trans
Rebuilt and reinforced with billet input and intermediate shafts, upgraded multi-disc clutch packs, and a custom stall triple-disc torque converter.
2006 Super Duty Coil Axle Swap
Replaced front leaf springs with 2006 Super Duty coil-sprung Dana 60 axle for dramatically improved turn radius, ride comfort, and articulation.
8" BDS Lift with FOX Everything
BDS Suspension 8-inch system featuring FOX 2.0 reservoir shocks, dual FOX steering stabilizers, and heavy-duty adjustable track bar.
2010 Lariat Luxury Swap
Complete interior modernization incorporating 2010 Ford Super Duty Lariat leather seating, center console, and updated dash instrumentation.
Step-by-Step Build Gallery





Have a Custom Truck Project in Mind?
Whether you want a Cummins conversion, a heavy-duty BDS lift kit, or a ground-up restoration, discuss your build goals directly with our master technicians in Anchorage.
