Hydraulic Rotary Head

115-50 (475G)

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High-torque setting: Torque
11600 ft-lbs
High-torque setting: Speed
17 rpm
High-speed setting: Torque
45600 ft-lbs
High-speed setting: Speed
33 rpm
Crowd force
80000 lbs
Extraction force
80000 lbs
Output shaft ID
7.375 in
Optional swivel joint ID
5 in
Weight with guides & swivel
7500 lbs
Weight 100' to 150' hydraulic hoses
1340 lbs
Height (H)
103 in
Width for leads
32/36 in
Overall Width
48 in
Depth - center to front (CF)
40 in
Depth - center to rear (CR)
25 in

Model 475G

Engine
Caterpillar C13
Emissions rating
EPA Flex
Power
475 HP
Operating speed
2100 rpm
Maximum motors pressure
5500 psi
Motors flow (no load)
140 gpm
Clamp pressure
4500 psi
Clamp flow
6 gpm
Weight (w/ full fluid & 1/2 fuel)
13750 lbs
Length
157 in
Width
64 in
Height
91 in
Hydraulic oil capacity
275 gal
Fuel Capacity
118 gal
  • Speeds shown are no-load speeds (free-hanging condition).
  • Speeds under actual drilling conditions (varying loads) may be 10-15% lower.