Power Section Specification
675-7860
6.75" 7:8 Lobes 6.0 Stages
Rotor Specifications
Overall Length 223.13 in
Avg. Diameter 4.008 in
Contour Length 217.63 in
Eccentricity 0.256 in
Major Diameter 4.520 in
Head Diameter 3.998 in
Head Length 5.50 in
Weight 827 lb
Thread Form 2.7/8" - 5 API REG
Stator Specifications
Overall Length 235.00 in
Tube OD 6.75 in
Contour Length 219.00 in
Tube ID 5.500 in
Rubber Cut-back
Side 1: 8.00 in
Side 2: 8.00 in
Weight 875 lb
Material Alloy Steel
Performance Specifications
Flow Range 300-750 GPM
Rev per Unit Volume 0.26 Rev/Gal
Speed Range 78-195 RPM
No Load Pressure Loss 158 psi
  POB XTH
Max Rec Press 1,420 psi 1,560 psi
Torque @ Max Press 14,260 ft-lbs 15,690 ft-lbs
Stall Pressure 2,130 psi 2,350 psi
Stall Torque 21,390 ft-lbs 23,530 ft-lbs
Stator Minors and Fit (in) at 70°F
  POB XTH
Group Minor Fit Minor Fit
0 4.003 0.005 4.003 0.005
Reline Lengths (in) Max 235 Min 229 Alternate Stator OD (in): - / -
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 1,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (psi) 0 1,000 2,000 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 525 GPM 750 GPM Differential Pressure (psi) 0 500 1,000 1,500 Speed (RPM) 0 50 100 150 200 250
Mechanical Power
300 GPM 525 GPM 750 GPM Differential Pressure (psi) 0 500 1,000 1,500 2,000 Mechanical Power (hp) 0 200 400 600
©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.