BT 121 Earth Auger Specifications
| DISPLACEMENT | 30.8 cc (1.88 cu. in.) |
| ENGINE POWER | 1.3 kW (1.75 bhp) |
| WEIGHT | 9.4 kg (20.7 Ibs.) |
| FUEL CAPACITY | 640 cc (21.6 oz.) |
| DRILLING GEAR SPEED | 190 rpm |
| GEAR REDUCTION | 47.5:1 |
| TORQUE (Engine) | 1.7 Nm (1.25 ft./lb.) |
| TORQUE (Auger) | 79.0 Nm (58.22 ft./lb.) |