Power Section Specification
675-6750
6.75" 6:7 Lobes 5.0 Stages
Rotor Specifications
Overall Length 194.00 in
Avg. Diameter 3.739 in
Contour Length 187.00 in
Eccentricity 0.288 in
Major Diameter 4.316 in
Head Diameter 4.000 in
Head Length 7.00 in
Weight 593 lb
Thread Form 2 7/8" API Reg
Stator Specifications
Overall Length 200.00 in
Tube OD 6.75 in
Contour Length 185.50 in
Tube ID 5.500 in
Rubber Cut-back
Side 1: 7.25 in
Side 2: 7.25 in
Weight 757 lb
Material Alloy Steel
Performance Specifications
Flow Range 300-600 GPM
Rev per Unit Volume 0.30 Rev/Gal
Speed Range 89-178 RPM
No Load Pressure Loss 135 psi
  POB XTH PRR
Max Rec Press 1,140 psi 1,260 psi 1,140 psi
Torque @ Max Press 10,350 ft-lbs 11,390 ft-lbs 10,350 ft-lbs
Stall Pressure 1,720 psi 1,890 psi 1,720 psi
Stall Torque 15,530 ft-lbs 17,080 ft-lbs 15,530 ft-lbs
Stator Minors and Fit (in) at 70°F
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
T 3.730 0.009 3.729 0.010 3.729 0.010
0 3.745 -0.006 3.747 -0.008 3.747 -0.008
4 3.768 -0.029 3.768 -0.029 3.768 -0.029
7 3.794 -0.055 3.792 -0.053 3.792 -0.053
Reline Lengths (in) Max 200 Min 194 Alternate Stator OD (in): 7.000 / -
Torque
Differential Pressure (psi) 0 1,000 Torque (ft-lb) 0
Fit Increase
Change in Temperature (°F) 0 100 200 300 Fit Increase (in) 0
Speed
Differential Pressure (psi) 0 500 1,000 1,500 Speed (RPM) 0
Mechanical Power
Differential Pressure (psi) 0 1,000 Mechanical Power (hp) 0
Torque
Differential Pressure (psi) 0 500 1,000 1,500 Torque (ft-lb) 0 5,000 10,000 15,000
Fit Increase
Change in Temperature (°F) 0 50 100 150 200 250 300 350 Fit Increase (in) 0 0.02 0.04 0.06 0.08 0.1
Speed
300 GPM 450 GPM 600 GPM Differential Pressure (psi) 0 200 400 600 800 1,000 1,200 1,400 Speed (RPM) 0 50 100 150 200 250
Mechanical Power
300 GPM 450 GPM 600 GPM Differential Pressure (psi) 0 500 1,000 1,500 Mechanical Power (hp) 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.