| Attribute | Value |
| General |
| Production from | 2011 year |
| Make | KTM |
| Model | KTM 400 EXC |
| Category | Enduro / offroad |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor. Keihin FCR-MX 39 |
| Engine details | Add |
| Displacement | 393.4 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Add |
| Torque | Add |
| Bore | 95 mm |
| Stroke | 55.5 mm |
| Gearbox | 6-speed |
| Greenhouse gases | Add |
| Fuel control | Overhead Cams (OHC) |
| Emission details | Add |
| Driveline | 15:45 (13:52). Primary drive: 33:76. |
| Ignition | Kokusan |
| Clutch | Wet mDouble disk clutch, operated hydraulically |
| Lubrication system | Pressure lubrication with 3 oil pumps |
| Compression | 11.1:1 |
| Exhaust system | Aluminium |
| Chassis |
| Front suspension | WP USD 48 mm (1.89 in) |
| Rear suspension | WP-PDS shock absorber |
| Front brakes | Single disc |
| Rear brakes | Single disc |
| Diameter | 220 mm |
| Frame type | Central double-cradle-type 25CrMo4. Subframe: Aluminium. |
| Front tyre | 90/90-21 |
| Rear tyre | 140/80-18 |
| Seat | Add |
| Wheels | 1.60 x 21in., 2.15 x 18in. Excel |
| Front wheel travel | 185 mm |
| Rear wheel travel | 185 mm |
| Trail | Add |
| Rake (fork angle) | 26.5 degree |
| Other |
| Battery capacity | Add |
| Starter | Electric & kick |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,475 mm |
| Kerb weight | Add |
| Dry weight | 113 kg |
| Power/weight ratio | Add |
| Overall height | Add |
| Overall length | Add |
| Overall width | Add |
| Seat height | 985 mm |
| Alternate seat height | Add |
| Ground clearance | 380 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 9.5 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |