Power Section Specification (Metric)
800-6740
203.2 mm 6:7 Lobes 4.0 Stages
Rotor Specifications
Overall Length 5054.6 mm
Avg. Diameter 108.85 mm
Contour Length 4876.8 mm
Eccentricity 8.54 mm
Major Diameter 125.93 mm
Head Diameter 120.65 mm
Head Length 177.8 mm
Weight 361 kg
Thread Form 3 1/2" API IF
Stator Specifications
Overall Length 5232.4 mm
Tube OD 203.20 mm
Contour Length 4826.0 mm
Tube ID 158.75 mm
Rubber Cut-back
Side 1: 203.2 mm
Side 2: 203.2 mm
Weight 562 kg
Material Alloy Steel
Performance Specifications
Flow Range 1136-3407 LPM
Rev per Unit Volume 0.04 Rev/L
Speed Range 51-153 RPM
No Load Pressure Loss 1034 kPa
  POB XTH PRR
Max Rec Press 6,310 kPa 6,940 kPa 6,310 kPa
Torque @ Max Press 19,410 N-m 21,350 N-m 19,410 N-m
Stall Pressure 9,460 kPa 10,410 kPa 9,460 kPa
Stall Torque 29,120 N-m 32,030 N-m 29,120 N-m
Stator Minors and Fit (mm) at 21°C
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
T 108.15 0.70 108.15 0.70 108.15 0.70
0 108.86 -0.01 108.84 0.01 108.84 0.01
4 109.52 -0.67 109.65 -0.80 109.65 -0.80
7 110.52 -1.66 110.52 -1.66
Reline Lengths (mm) Max 5232 Min 5080 Alternate Stator OD (mm): 196.8 / -
Torque
Differential Pressure (kPa) 0 5,000 Torque (Nm) 0
Fit Increase
Change in Temperature (°C) 0 100 200 Fit Increase (mm) 0
Speed
Differential Pressure (kPa) 0 5,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 5,000 10,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 Torque (Nm) 0 10,000 20,000
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 1 2 3
Speed
1136 LPM 2271 LPM 3407 LPM Differential Pressure (kPa) 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 Speed (RPM) 0 50 100 150 200
Mechanical Power
1136 LPM 2271 LPM 3407 LPM Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 Mechanical Power (Kw) 0 100 200 300 400
©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.