Hydraulic Rotary Head

HS50

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High-torque setting: Torque
45000 ft-lbs
High-torque MAX setting: Torque
52650 ft-lbs
High-torque setting: Speed
35 rpm
High-torque MAX setting: Speed
40 rpm
High-speed setting: Torque
22500 ft-lbs
High-speed MAX setting: Torque
26325 ft-lbs
High-speed setting: Speed
70 rpm
High-speed MAX setting: Speed
75 rpm
Maximum power
335 HP
Crowd force
80000 lbs
Extraction force
80000 lbs
Output shaft ID
3 in
Optional swivel joint ID
3 in
Weight with guides & swivel
3050 lbs
Weight 100' to 150' hydraulic hoses
1000 lbs
Height (H)
86 in
Width for leads
26 in
Depth - center to front (CF)
24.25 in
Depth - center to rear (CR)
22 in

Model 350G

Engine
Caterpillar C9
Emissions rating
EPA Flex
Power
350 HP
Operating speed
1850 rpm
Maximum motors pressure
5500 psi
Motors flow (no load)
95 gpm
Clamp pressure
4500 psi
Clamp flow
6 gpm
Weight (w/ full fluid & 1/2 fuel)
11,350 lbs
Length
130 in
Width
63 in
Height
87 in
Hydraulic oil capacity
275 gal
Fuel Capacity
118 gal

Model 350T for 22D & 28D

Engine
Caterpillar C9.3
Emissions rating
Tier Flex
Power
350 HP
Operating speed
1850 rpm
Maximum motors pressure
5500 psi
Motors flow (no load)
95 gpm
Clamp pressure
4500 psi
Clamp flow
6 gpm
Weight (w/ full fluid & 1/2 fuel)
15,145 lbs
Length
155 in
Width
64 in
Height
94 in
Hydraulic oil capacity
275 gal
Fuel Capacity
125 gal
  • Speeds shown are no-load speeds (free-hanging condition).
  • Speeds under actual drilling conditions (varying loads) may be 10-15% lower.
  • Maximum torque requires a power unit capable of 6,500 psi (450 bar).
  • Maximum speed requires a power unit capable of 106 gpm (400 lpm).
  • Maximum power means cannot run at maximum torque and maximum speed at same time.