Power Section Specification
500-6760
5" 6:7 Lobes 6.0 Stages
Rotor Specifications
Overall Length 179.50 in
Avg. Diameter 2.647 in
Contour Length 173.50 in
Eccentricity 0.191 in
Major Diameter 3.029 in
Head Diameter 2.750 in
Head Length 6.00 in
Weight 278 lb
Thread Form 2 3/8" HEF
Stator Specifications
Overall Length 185.00 in
Tube OD 5.00 in
Contour Length 169.00 in
Tube ID 4.000 in
Rubber Cut-back
Side 1: 8.00 in
Side 2: 8.00 in
Weight 409 lb
Material Alloy Steel
Performance Specifications
Flow Range 150-350 GPM
Rev per Unit Volume 0.83 Rev/Gal
Speed Range 125-291 RPM
No Load Pressure Loss 138 psi
  POB XTH PRR
Max Rec Press 1,370 psi 1,510 psi 1,370 psi
Torque @ Max Press 4,440 ft-lbs 4,880 ft-lbs 4,440 ft-lbs
Stall Pressure 2,060 psi 2,260 psi 2,060 psi
Stall Torque 6,650 ft-lbs 7,320 ft-lbs 6,650 ft-lbs
Stator Minors and Fit (in) at 70°F
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
0 2.646 0.001 2.646 0.001 2.646 0.001
4 2.671 -0.024 2.671 -0.024
7 2.690 -0.043 2.690 -0.043 2.690 -0.043
Reline Lengths (in) Max 185 Min 179 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 2,000 4,000 6,000
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
150 GPM 250 GPM 350 GPM Differential Pressure (psi) 0 500 1,000 1,500 Speed (RPM) 0 100 200 300
Mechanical Power
150 GPM 250 GPM 350 GPM Differential Pressure (psi) 0 500 1,000 1,500 2,000 Mechanical Power (hp) 0 100 200 300
©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.