Millennium HDD Oil Sealed Motor Assembly
The Park City Millennium HDD Oil Sealed Drilling Motor is designed to offer reliable performance for both straight and directional drilling within the oil and gas industry, as well as for civil construction applications requiring trenchless horizontal directional drilling (HDD).
Features & Benefits
- High allowable WOB (weight on bit) and load capacities.
- Equipped with 2° Fixed Bend Assembly.
- Features the HDD Driveline for shortened overall length.
- Inhouse manufactured components adhere to Wenzel’s high standard of premium materials and quality production.
- Patented design.
Download the Motor Handbook PDF
The Wenzel Motor Handbook is also available as a free download on your mobile device.
Gallery
HDD Oil Sealed Motor Assembly
HDD Motor Product Flyer
(USA)
HDD Motor Product Flyer
(Canada)
Product Catalog
Technical Specifications
Imperial
| Nominal OD (inch) | Model | Bit Box to Fixed Bend (inch) | Overall Length (ft) | Hole Size (inch) | Max WOB* (lbs) | Max Bit Overpull* (lbs) | Absolute Body Overpull** (lbs) | Flow Range (GPM) | Speed Range (RPM) | Max Diff. Pressure (psi) | Torque at Max Diff. Pressure (ft.lbs) | Max Power (HP) | Region |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 1/2 | 7838 | 30 | 16.2 | 4 1/2 – 5 7/8 | 18 500 | 18 500 | 212 000 | 75-150 | 120-235 | 665 | 1 103 | 40 | CA |
| 3 1/2 | 7838 | 30 | 16.2 | 4 1/2 – 5 7/8 | 18 500 | 18 500 | 212 000 | 75-150 | 120-235 | 950 | 1 575 | 60 | US |
| 4 3/4 | 7822 | 50 | 16.7 (17.6)b | 5 7/8 – 7 7/8 | 54 000 (33 000)a | 31 000 | 436 000 | 100-250 | 50-140 | 500 | 2 350 | 55 | CA |
| 4 3/4 | 7838 | 50 | 22.9 | 5 7/8 – 7 7/8 | 33 000 | 31 000 | 436 000 | 150-250 | 80-140 | 860 | 4 450 | 105 | CA&US |
| 4 3/4 | 7850 | 50 | 23.5 | 5 7/8 – 7 7/8 | 33 000 | 31 000 | 436 000 | 100-275 | 65-180 | 1 130 | 4 460 | 145 | US |
| 6 1/2 | 7828 | 56 | 18.7 (19.6)b | 7 7/8 – 9 7/8 | 91 000 (66 000)a | 51 000 | 550 000 | 150-400 | 50-140 | 630 | 5 010 | 120 | CA |
| 6 1/2 | 7840 | 56 | 21.2 | 7 7/8 – 9 7/8 | 66 000 | 51 000 | 550 000 | 300-500 | 105-180 | 900 | 6 200 | 200 | CA&US |
| 7 3/4 | 7830 | 67 | 23.5 | 9 5/8 – 12 1/4 | 88 000 | 73 000 | 638 000 | 400-900 | 65-150 | 680 | 11 200 | 295 | US |
| 8 | 7830 | 67 | 23.5 | 9 5/8 – 12 1/4 | 105 000 | 73 000 | 845 000 | 400-900 | 65-150 | 450 | 7 470 | 210 | CA |
Metric
| Nominal OD (inch) | Model | Bit Box to Fixed Bend (m) | Overall Length (m) | Hole Size (mm) | Max WOB* (daN) | Max Bit Overpull* (daN) | Absolute Body Overpull** (daN) | Flow Range (lpm) | Speed Range (RPM) | Max Diff. Pressure (kPa) | Torque at Max Diff. Pressure (N.m) | Max Power (kW) | Region |
| 89 | 7838 | 0.76 | 4.95 | 114 – 149 | 8 200 | 8 200 | 94 000 | 285-570 | 120-235 | 4 585 | 1 500 | 30 | CA |
| 89 | 7838 | 0.76 | 4.95 | 114 – 149 | 8 200 | 8 200 | 94 000 | 285-570 | 120-235 | 6 550 | 2 100 | 45 | US |
| 121 | 7822 | 2 1.27 | 5.11 (5.38)b | 149-200 | 24 000 (14 700)a | 13 800 | 194 000 | 380-950 | 50-140 | 3 410 | 3 190 | 40 | CA |
| 121 | 7838 | 2 1.27 | 6.99 | 149-200 | 14 700 | 13 800 | 194 000 | 570-950 | 80-140 | 5 900 | 6 030 | 80 | CA&US |
| 121 | 7850 | 2 1.27 | 7.19 | 149-200 | 14 700 | 13 800 | 194 000 | 380-1040 | 65-180 | 7 760 | 6 050 | 110 | US |
| 165 | 7828 | 1.42 | 5.70 (5.97)b | 200 – 251 | 40 500 (29 500)a | 23 000 | 245 000 | 570-1510 | 50-140 | 4 340 | 6 790 | 90 | CA |
| 165 | 7840 | 1.42 | 6.46 | 200 – 251 | 29 500 | 23 000 | 245 000 | 1140-1890 | 105-180 | 6 210 | 8 410 | 150 | CA&US |
| 197 | 7830 | 1.70 | 7.16 | 244 – 311 | 39 000 | 32 000 | 284 000 | 1510-3410 | 65-150 | 4 650 | 15 190 | 220 | US |
| 203 | 7830 | 1.70 | 7.16 | 244 – 311 | 47 000 | 32 000 | 376 000 | 1510-3410 | 65-150 | 3 100 | 10 130 | 160 | CA |
*Operating Capacity
**Static Capacity
a(WOB Capacity) in brackets refers to the single On Bottom Bearing option.
b6 1/2″ M6 using standard S22 Driveline & Adjustable. (Length in brackets)
Specifications are based on as new condition and are subject to change without notice.
Sales & Rental Inquiries
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