Model | 260s | 300B | 300S | 350S |
Engine | Cummins | Cummins | Cummins | Cummins |
Oil pump No. | 50/50/25gear pump | 50/50/25gear pump | 63/63/32gear pump | 63/63/32gear pump |
Moving ways | moving with steel crawler and starting motor | TM09starting motorand steel crawler | ||
Motor of drill head | Gerotor Motor | Gerotor Motor | Gerotor Motor | |
Lifting Power Vice winch | 1.5T | 1.5T | 1.5T | 1.5T |
Lifting Power | 16T | 16T | 20T | 16T |
Power Head stroke | 3.6M | 3.6M | 3.6M | 6.6M |
Max rotary Torque | 6600Nm | 8800Nm | 8800Nm | |
Max Diammeter | 105--273mm | 105--273mm | 105--305mm | 105--305mm |