Power Section Specification (Metric)
169-5650
42.9 mm 5:6 Lobes 5.0 Stages
Rotor Specifications
Overall Length 2362.2 mm
Avg. Diameter 21.59 mm
Contour Length 2209.8 mm
Eccentricity 1.78 mm
Major Diameter 25.15 mm
Head Diameter 31.75 mm
Head Length 152.4 mm
Weight 6 kg
Thread Form 5/8"-11 UNC
Stator Specifications
Overall Length 2514.6 mm
Tube OD 42.88 mm
Contour Length 2152.7 mm
Tube ID 34.92 mm
Rubber Cut-back
Side 1: 257.0 mm
Side 2: 104.6 mm
Weight 11 kg
Material Alloy Steel
Performance Specifications
Flow Range 95-170 LPM
Rev per Unit Volume 3.96 Rev/L
Speed Range 375-675 RPM
No Load Pressure Loss 1000 kPa
  XTH RTP
Max Rec Press 8,360 kPa 7,600 kPa
Torque @ Max Press 300 N-m 280 N-m
Stall Pressure 12,540 kPa 11,400 kPa
Stall Torque 450 N-m 410 N-m
Stator Minors and Fit (mm) at 21°C
  RTP XTH
Group Minor Fit Minor Fit
0 21.64 -0.05
4 21.97 -0.38
7 22.22 -0.64 22.22 -0.64
Reline Lengths (mm) Max 2515 Min 2362 Alternate Stator OD (mm): - / -
Torque
Differential Pressure (kPa) 0 5,000 10,000 Torque (Nm) 0
Fit Increase
Change in Temperature (°C) 0 100 200 Fit Increase (mm) 0
Speed
Differential Pressure (kPa) 0 5,000 10,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 10,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 Torque (Nm) 0 100 200 300 400
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 0.5 1 1.5
Speed
95 LPM 132 LPM 170 LPM Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 Speed (RPM) 0 200 400 600 800
Mechanical Power
95 LPM 132 LPM 170 LPM Differential Pressure (kPa) 0 5,000 10,000 Mechanical Power (Kw) 0 5 10 15 20
©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.