| DFC-E | Engineering plant | Two joysticks, two travel controls, the throttle dial and the machine's own pilot lockout on a tracked excavator; steering, forward-neutral-reverse, the gear selector, the parking brake, the blade and the ripper on a dozer; wheel steering, the pedals and the implement joystick on a loader | Hazardous earthworks, debris and rubble, fortification, route and airfield support |
| DFC-L | Logistics and handling | Steering, directional control, throttle and brake and the mast levers on a forklift; steering, travel, the boom and the attachment controls on a telehandler | Remote depots, hazardous and contaminated handling, resilient yard logistics |
| DFC-T | Terrain and base support | Steering, pedals, implement controls, the hydraulic valve bank and the power take-off | Firebreaks, snow and ice, terrain maintenance, base construction and support |
| DFC-V | Tactical and utility vehicles | The steering wheel from its centre, the accelerator and service-brake pedals, the transmission selector, the parking brake under its own safety case, the range or transfer selector, and the switches a person reaches | Driving on closed ground and closed routes; resupply and convoy; recovery and route support |
| DFC-H | Heavy logistics trucks | The tactical and utility set, plus the push-pull air-brake controls for park and trailer and the axle, tire-pressure and power-take-off selectors where they are fitted | Resupply and material movement on closed routes; depot, airfield and route support; recovery |
| DFC-P | Protected mobility | The driver's controls as fitted, in a restricted cab; how the modules sit around them is a finding of the survey | Protected support driving: engineering support, route and resupply, casualty and recovery support |
| DFC-S | Specialty support | Established by survey against the six interface families | A specific conversion after an engineering survey and qualification |