MUTT / S-MET
US Army load-carrying ground robot based on GDLS MUTT, with a separate newer MUTT XM offering.
- Country / region
- United States
- Programme status
- In service / use documented
- Sources reviewed
- 20 Sept 2026
- Primary domain
- Land
- System type
- Ground logistics vehicle
- Developer / manufacturer
- General Dynamics Land Systems
- Origin / production countries
- United States
- Other names
- S-MET; Small Multipurpose Equipment Transport; Multi-Utility Tactical Transport
- Variants / configurations
- Army S-MET based on MUTT; MUTT XM, newer supplier offering
- Operators / programme customers
- US Army
Evidence & current status
Army original-programme capabilities and the current XM marketing offer are kept separate. Additional autonomy and mission roles described as future capabilities are not treated as fielded.
Role & capabilities
- Equipment transport
- Exportable electrical power
- Following assistance
- Modular equipment carriage
Specifications in context
- Configuration
- MUTT XM is separately described as 8×8
Do not apply XM attributes to all older MUTT versions.
Source ↗ - Mobility
- Hybrid-electric powertrain
Supplier-reported; configuration dependent.
Source ↗ - Dimensions
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Mass
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Payload
- 1,000 lb, approximately 454 kg
Original public Army S-MET capability; not MUTT XM.
Source ↗ - Endurance
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Range
- More than 60 miles over a 72-hour duty cycle
Programme capability description; not continuous-operation endurance.
Source ↗ - Speed
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Terrain / environment
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Sensors
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Communications / control
- Hand controller, teleoperation and following tether
Supplier-reported; configuration dependent.
Source ↗ - Launch / deployment
- Not established in the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗