Vermeer's D40x55DR S3 Navigator horizontal directional drill features dual rod technology using an inner rod to provide torque to the drill bit and an outer rod for steering capability and rotation torque for reaming. The unit can drill in a broad range of ground conditions.
- Hollow inner rod design for more air and drilling fluid flow to drill head on pilot bores and hole opener during pullback
- 140-hp John Deere diesel engine
- Thrust/pullback: 40,000 lb.
- Rotational torque: 5,500 ft.-lb.
- Carriage speed: 115 fpm
- Low guaranteed sound power rating: 104 dBA
- Carry 500 ft. of drill rods onboard