Product Introduction
Our drilling motor lineup includes high-horsepower main drill motors (DM27, CM628TUT, GEB22 series) for rotary drilling operations, heavy-duty mud pump motors for mud circulation systems, and auxiliary motors (blower, lube, cooling, wash motors) for rig support systems. Crafted with high-grade copper windings, hardened precision bearings, corrosion-resistant cast iron housings, and IP55/IP65 dust/water protection ratings, each motor undergoes load testing, thermal stability verification, and vibration resistance testing to meet OEM and industry performance standards. This comprehensive selection supports full rig motor replacement, targeted auxiliary motor upgrades, and emergency breakdown repairs, making it the definitive sourcing solution for drilling rig power systems.
Functional Capabilities
- High-Torque Drilling Power: Main drill motors (1150HP-1230HP) deliver maximum torque at low RPM, enabling smooth rotary drilling and pipe handling under heavy load conditions.
- Reliable Mud Circulation: Mud pump motors maintain consistent power output to drive mud pumps, ensuring uninterrupted drilling mud flow and wellbore stability.
- Efficient System Cooling & Ventilation: Blower and cooling motors regulate rig equipment temperature, preventing thermal overload and extending component lifespan.
- Protective Lubrication Delivery: Lube oil pump motors ensure consistent lubricant flow to critical rig components, reducing friction and premature wear.
- Energy-Efficient Operation: NEMA premium efficiency designs cut power consumption, lowering long-term rig operational costs without compromising performance.
- Stable Electrical Performance: Wide voltage compatibility (380VAC/587VAC/600-690VAC) adapts to fluctuating rig power supplies, eliminating motor stalling or damage.
Structural Design Features
- OEM Exact Fit: Precision-matched mounting footprints, shaft dimensions, and electrical connectors ensure seamless drop-in replacement, reducing installation time by 50%.
- Heavy-Duty Construction: Cast iron housings and sealed bearings withstand extreme rig vibration, dust, and moisture, with a 20,000+ hour design service life.
- IP55/IP65 Environmental Protection: Dust-tight and water-resistant enclosures suit harsh onshore/offshore drilling environments, preventing internal component contamination.
- Thermal Protection System: Built-in thermal overload protection shuts down the motor during overheating, preventing catastrophic winding damage.
- Low-Noise, Low-Vibration Operation: Balanced rotors and precision bearings minimize operational noise and vibration, reducing rig structural stress.
Applicable Operating Conditions
These drilling motors are engineered to perform reliably in rigorous oilfield scenarios, including:
- Land and offshore drilling rig main rotary drive systems (DM27, CM628TUT, GEB22 series)
- Mud pump power systems for drilling mud circulation
- Rig auxiliary systems: ventilation blowers, lubrication pumps, cooling units, and linear wash equipment
- Continuous 24/7 operation in high-dust, high-humidity, and extreme temperature drilling sites
- OEM-spec replacement for NOV and GE drilling rig motor systems
Maintenance & Service Recommendations
- Inspect motor windings and electrical connections every 3 months for corrosion, loose wires, or insulation damage; tighten connections and clean terminals to prevent power loss.
- Lubricate motor bearings with high-temperature industrial grease every 6,000 operating hours to reduce friction and extend bearing life.
- Clean motor cooling fins and blower intakes monthly to remove dust and debris, maintaining optimal thermal dissipation.
- Test motor thermal overload protection systems quarterly to ensure proper functionality during high-load operation.
- Monitor motor operating temperature and current draw regularly; address abnormal readings immediately to prevent catastrophic failure.
- Store spare motors in a dry, dust-free environment with protective covers to preserve winding integrity and prevent corrosion.
- We supply the following spare parts:
| Item No | Model | PN | Material | Description | UM |
| 1 | DM27(B)AHNAE-LH | 10604319-202 | DRILL MOTOR-A, 1150HP, 587VAC, 858 KW | EA | |
| 2 | DM27B(E)AHNAF-RHONOY2N | 10604320-202 | DRILL MOTOR-B, 1150HP, 587VAC, 858 KW | EA | |
| 3 | CM628TUT119KC | NOV PART NO:M734000264-500 GE PART NO:CM628TUT-119B | DRILL MOTOR-A, 1230HP, 600-690VAC, 1180A, 818 KW | SN: ZD-60CM8089-1 | EA |
| 4 | CM628TUT119JC | NOV PART NO:M734000264 GE PART NO:CM628TUT-119A | DRILL MOTOR-B, 1230HP, 600-690VAC, 1180A, 818 KW | SN: ZD-60CM8082-1 | EA |
| 5 | GEB 22 A3 | 5GEB22A3 | DRILL MOTOR-A.B, SHAFT HP:1150, RATED RPM:800, 587VAC 1180A, 818 KW | EA | |
| 6 | DNGW-160ML-02A | 10547960-001, 3416889 | BLOWER MOTOR A-B, 14.4HP, 380 VAC, 50 HZ | EA | |
| 7 | DNGW-112MB04F IPSS113-1BD52-4BB2-Z | 10083055-001, 2361678 | LUBE MOTOR, 4HP, 7.0A, 380VAC, 50HZ | EA | |
| 8 | DNGW-080BG-04A 1PS5080-0CD60-4BA0-Z | 10086538-001, 2349669H | COOLING MOTOR, 0.74 HP, 1.5A, 380VAC, 50HZ | EA | |
| 9 | 10800556-231 | MUD PUMP MOTOR-A, 1150HP, 600VAC, DM27AHLED | EA | ||
| 10 | 10800555-231 | MUD PUMP MOTOR-B, 1150HP, 600VAC, DM27AHLEC | EA | ||
| 11 | DM26RHLER-234NC | MUD PUMP MOTOR-A, 875HP, 653KW, 600-690VAC | SN: RF 108224-1 | EA | |
| 12 | DM26RHLEL-234NC | MUD PUMP MOTOR-B, 875HP, 653KW, 600-690VAC | SN: RF 108223-1 | EA | |
| 13 | GEB 22 A2 | 5GEB22A2 | MUD PUMP MOTOR-A.B SHAFT HP:1150 RATED RPM:800 587VAC 1180A 818 KW | EA | |
| 14 | HH184TTGS18110AAL | 10766074-001 | LUBE OIL PUMP MOTOR, 1.5HP, 380VAC, 50HZ, 950RPM | SN: M65010669-07/13-07 | EA |
| 15 | NEMA PREMIUM 00318XT3E182T | 10785222-001, 14480938 | LINEER WASH MOTOR, 3 HP, 380 VAC, 50 HZ, 1440 RPM | EA | |
| 16 | 22A2-15CW-30380 | 10729824-001 | BLOWER MOTOR A-B, 15HP, 380VAC, 50HZ | PRODUCT:ATRDYNE SPEC NO:4787G10 | EA |
Field Failure Repair Case Studies
Case 1: DM27 Main Drill Motor Thermal Shutdown
A DM27(B)AHNAE-LH main drill motor experienced frequent thermal shutdowns due to clogged cooling vents and worn bearings. Replacing the faulty motor with a new OEM-spec unit and cleaning rig ventilation systems restored continuous heavy-load operation.
Case 2: Mud Pump Motor Power Loss
A 1150HP mud pump motor suffered gradual power loss, leading to inconsistent mud flow. Installing a replacement DM27AHLED mud pump motor resolved torque deficiencies and restored stable mud circulation.
Case 3: Auxiliary Blower Motor Failure
A DNGW-160ML-02A blower motor failed completely, causing overheating of rig control panels. Fitting a new high-efficiency blower motor quickly restored equipment cooling and prevented further heat-related damage.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these motors compatible with NOV and GE drilling rig OEM systems? | Yes, all motors match NOV and GE OEM part numbers, mounting specs, and electrical requirements for direct replacement in their rig systems. |
| What voltage ranges do these drill motors support? | Motors support 380VAC (auxiliary), 587VAC, and 600-690VAC (main/mud pump) to fit standard drilling rig power configurations. |
| Do these motors carry NEMA premium efficiency ratings? | Yes, select models meet NEMA premium efficiency standards, reducing energy usage and operational costs for drilling rigs. |
Procurement Guidance & Call to Action
For electrical maintenance teams, rig managers, and procurement specialists tasked with maintaining reliable drilling rig power systems, this catalog is your definitive sourcing solution for high-performance, OEM-compatible drill motors. It provides full transparency on motor models, part numbers, power specs, and compatibility details, serving as both a formal procurement compliance standard and a practical field troubleshooting reference for motor replacement and repairs. Whether you need a high-horsepower main drill motor for rotary operations, a heavy-duty mud pump motor, or an auxiliary motor for rig support systems, every unit is engineered to resolve common drilling motor failures and deliver consistent, long-lasting performance in harsh field conditions. Submit your detailed inquiry with specific model numbers, required horsepower, voltage requirements, and rig equipment details to secure precision-matched motors tailored to your drilling system needs. Our technical team provides full compatibility verification, installation guidelines, and performance benchmarking to streamline your procurement process and ensure trouble-free on-site setup.
