Power Section Specification
800-6750
8" 6:7 Lobes 5.0 Stages
Rotor Specifications
Overall Length 244.00 in
Avg. Diameter 4.285 in
Contour Length 237.00 in
Eccentricity 0.336 in
Major Diameter 4.958 in
Head Diameter 4.750 in
Head Length 7.00 in
Weight 971 lb
Thread Form 3.1/2" - 4 API IF
Stator Specifications
Overall Length 250.00 in
Tube OD 8.00 in
Contour Length 234.00 in
Tube ID 6.250 in
Rubber Cut-back
Side 1: 9.00 in
Side 2: 9.00 in
Weight 1508 lb
Material Alloy Steel
Performance Specifications
Flow Range 300-900 GPM
Rev per Unit Volume 0.18 Rev/Gal
Speed Range 52-158 RPM
No Load Pressure Loss 152 psi
  POB XTH PRR
Max Rec Press 1,140 psi 1,260 psi 1,140 psi
Torque @ Max Press 18,080 ft-lbs 19,890 ft-lbs 18,080 ft-lbs
Stall Pressure 1,720 psi 1,890 psi 1,720 psi
Stall Torque 27,130 ft-lbs 29,840 ft-lbs 27,130 ft-lbs
Stator Minors and Fit (in) at 70°F
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
B 4.282 0.003
0 4.283 0.002 4.283 0.002 4.283 0.002
4 4.312 -0.027
7 4.345 -0.060
Reline Lengths (in) Max 250 Min 244 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) 0 500 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 10,000 20,000
Fit Increase
Change in Temperature (°F) 0 50 100 150 200 250 300 350 Fit Increase (in) 0 0.05 0.1 0.15
Speed
300 GPM 600 GPM 900 GPM Differential Pressure (psi) 0 200 400 600 800 1,000 1,200 1,400 Speed (RPM) 0 50 100 150 200
Mechanical Power
300 GPM 600 GPM 900 GPM Differential Pressure (psi) 0 500 1,000 1,500 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.