Power Section Specification (Metric)
1125-6755
285.8 mm 6:7 Lobes 5.5 Stages
Rotor Specifications
Overall Length 6096.0 mm
Avg. Diameter 170.38 mm
Contour Length 5842.0 mm
Eccentricity 12.37 mm
Major Diameter 195.12 mm
Head Diameter 165.10 mm
Head Length 254.0 mm
Weight 981 kg
Thread Form 62C0013
Stator Specifications
Overall Length 6350.0 mm
Tube OD 285.75 mm
Contour Length 5816.6 mm
Tube ID 234.95 mm
Rubber Cut-back
Side 1: 266.7 mm
Side 2: 266.7 mm
Weight 1128 kg
Material Alloy Steel
Performance Specifications
Flow Range 3407-6814 LPM
Rev per Unit Volume 0.02 Rev/L
Speed Range 81-162 RPM
No Load Pressure Loss 1310 kPa
  POB PRR
Max Rec Press 8,960 kPa 8,670 kPa
Torque @ Max Press 53,010 N-m 51,330 N-m
Stall Pressure 13,430 kPa 13,010 kPa
Stall Torque 79,490 N-m 76,990 N-m
Stator Minors and Fit (mm) at 21°C
  PRR POB
Group Minor Fit Minor Fit
0 169.67 0.71 169.80 0.58
Reline Lengths (mm) Max 6350 Min 6198 Alternate Stator OD (mm): - / -
Torque
Differential Pressure (kPa) 0 5,000 10,000 Torque (Nm) 0
Fit Increase
Change in Temperature (°C) 0 100 200 Fit Increase (mm) 0
Speed
Differential Pressure (kPa) 0 5,000 10,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 10,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 Torque (Nm) 0 20,000 40,000 60,000
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 1 2 3 4
Speed
3407 LPM 5110 LPM 6814 LPM Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 Speed (RPM) 0 50 100 150 200
Mechanical Power
3407 LPM 5110 LPM 6814 LPM Differential Pressure (kPa) 0 5,000 10,000 Mechanical Power (Kw) 0 200 400 600 800
©2026 NOV. All rights reserved. Except as noted, all trademarks referenced in this document are trademarks of NOV. Performance curves describe theoretical performance with 175°F (79°C) water and are for reference only. Operational fit and drilling conditions will affect performance. Operation above maximum recommended limits will reduce life. Specification data are subject to change without notice.
PS App v.