Tunnel Boring Machines
K3VL
The K3VL series swash plate type axial piston pumps are designed to satisfy a variety of construction and off-highway applications where a medium to high pressure variable displacement pump is required.
- 28 to 200cc displacements
- 320 bar continuous pressure rating
- Load sensing, torque limiting and electronic displacement control
- Integral impellor pump available on 200cc unit
K3VG
The K3VG series are swash-plate type axial piston pumps which give excellent performance in high flow industrial applications in a compact and cost-effective package.
- 63 to 280cc displacements available
- 350 bar continuous pressure rating
- Common suction port
- Extensive range of highly responsive control options
K7VG
The K7VG series of high-pressure swash plate type pumps was developed for general industrial machinery use. The adoption of the high-load bearings and friction-free contacting mechanism of piston shoes, results in a high level of reliability and long life.
- 180 and 265cc displacements
- 350 bar continuous pressure rating
- Long bearing life
- ISO Mount and Shaft
- Optional through-drive
- Highly responsive controls
M3X/M3B
The M3X and M3B series are swash plate type axial piston motors in fixed (M3X) and variable (M3B) displacement versions. They are used extensively in mobile crusher drives, cranes and drill rigs.
- 200, 280, 530 and 800cc displacements
- 300 bar continuous pressure rating
- Constant horsepower control option
- Available with parking brake
HMB Motors – Single Displacement
Our fixed displacement Staffa HMB radial piston motors have a rugged, reliable and proven design that incorporates high efficiency with good breakout torque and smooth running capability.
- 188 to 8,000cc displacements in 11 frame sizes.
- 250 bar continuous pressure rating.
- 300 bar intermittent pressure.
- High volumetric and mechanical efficiency.
- Unique hydrostatic balancing provides minimum wear and extended life.
HPC Motors – High Power Dual Displacement
The enhanced variable displacement HPC models include special low friction components, combined with crankcase flushing flow, to achieve increased shaft power. It is used around the world in marine and offshore winch applications and is known for its efficiency and reliability.
- 1,344 to 6,555cc displacements in 6 frame sizes.
- 250 bar continuous pressure rating.
- Dynamic displacement change under load
- Freewheel option available.
- Constant horsepower control option.
HMC Motors – Dual Displacement
The HMC series variable displacement models have two pre-set displacements which can be chosen
from a wide range to suit specific application requirements. These motors are also available in a
continuously variable version using either hydro-mechanical or electro-hydraulic control methods.
- 492 to 5,326cc displacements in 7 frame sizes
- 250 bar continuous pressure rating
- Dynamic displacement change under load
- Freewheel option available
- Constant horsepower control option
HPC400 Motor- High Power Quad Displacement
Based on the high power dual displacement HPC range of motors; the HPC400 has two eccentric drums which can be independently moved between high and low displacement – therefore offering customers 4 operating speeds. As with all Staffa motors the HPC400 offers high starting torque, smooth operation at low speeds and unrivalled reliability.
- Max. continuous power of 430 kW
- 250 bar continuous pressure rating
- Dynamic displacement change under load
- Freewheel Option available
- Rated Torque of 25,000 Nm