| Model No | Km-331NE | Km-431-NE |
| Displacement | 32.6cc | 42.7 cc |
| Carburetor (Marler) | Tk (Japan), Float Type | TK (Japan) Float type |
| Gear Ratio | 19;13 | 19:13 |
| Loaded Engine | TB-33 9Mitsubishi) | TB-43 ( Mitsubishi) |
| Engine Type | Air-cooled, 2-cycle, gasoline | Air-cooled, 2-cycle, gasoline |
| Method of Staring | Recoil starter (EZ) | Recoil starter (EZ) |
| Fuel | gasoline mixed with lubrication oil | gasoline mixed with lubrication oil |
| Fuel Tank Capacity | 1.4L | 1.4L |
| weight ( Frame included) | Engine + frame : 6.2kg | 6.9kg |
| Brush cutter : 9.7kg | 10.4kg | |
| Length (pipe) | 24 x 1323mm | 24x 1323 |
| Length ( flexible Shaft0 | outer/inner-855 (870)mm | outer/inner-855(870)mm |