1. Product Introduction
This premium selection of K750 DRECO mobile drilling rig spare parts is precision manufactured to exclusively fit the K750 DRECO mobile drilling rig, a rugged, transportable drilling platform widely used for onshore exploration, well drilling, and workover operations. The parts portfolio covers critical components across all key rig systems: undercarriage drive shafts (18102”-41/2”), FABCO SDA-2300 steerable drive axles, Caterpillar C-15 engine spares (fuel nozzles CA 253-0616, compressors 304-2693), 75 MSA 403 drawworks brake band sets (75MB 303), pneumatic controls, mast extension hydraulic seals, reverse gearbox components, and 75PU 4026 hydraulic system parts.
2. Core Purpose
Core Purpose: These K750 DRECO spare parts are designed to restore rig mobility, maintain Caterpillar C-15 engine performance, ensure reliable drawworks braking, stabilize pneumatic and hydraulic control systems, and extend the service life of the K750 DRECO mobile rig. They support emergency breakdown repairs, scheduled preventive maintenance, and full rig overhauls, keeping onshore drilling operations compliant with safety standards and minimizing costly downtime.
3. Key Functional Specifications
- Undercarriage Performance: FABCO SDA-2300 steerable drive axles support a maximum rig load capacity of 750,000 lbs, with precision gearing for smooth rig mobility and steering control across uneven terrain.
- CAT C-15 Engine Reliability: CA 253-0616 fuel nozzles deliver precise fuel injection, optimizing combustion efficiency and maintaining the engine’s 475-595 HP rated power output; 304-2693 compressors support consistent air pressure for rig pneumatic systems.
- Drawworks Braking Safety: 75MB 303 brake band sets provide 30,000 ft-lbs of stopping torque, ensuring reliable hoist braking and safe load control during drilling and tripping operations.
- Hydraulic System Integrity: 3750-5500-625B mast extension seal kits withstand hydraulic pressures up to 6065 PSI, eliminating leaks and ensuring smooth mast lifting/lowering.
4. Structural & Material Features
All parts feature rugged, drilling-grade construction: drive axles use forged alloy steel for heavy-load durability; brake bands use high-friction, heat-resistant composite material; engine components meet CAT OEM metallurgical standards; hydraulic seals use oil-resistant nitrile rubber (NBR) and polyurethane blends; fasteners and hardware meet ASTM Grade 8 standards for vibration resistance. The modular, drop-in design allows quick on-site replacement without specialized machining, cutting repair labor time by up to 60%.
5. Applicable Operating Conditions
These spare parts are engineered for extreme onshore drilling conditions, including uneven terrain mobility, high-vibration continuous operation, ambient temperatures from -10°F to 120°F, dust and debris exposure, and heavy-load hoisting/mast movement. They perform reliably in remote drilling sites, desert, and rural onshore locations, complying with industry drilling safety standards.
6. Maintenance & Care Recommendations
- Preventive Inspection: Inspect drive axles, brake bands, and hydraulic seals every 250 drilling hours; check CAT C-15 engine fuel nozzles and compressors for wear monthly.
- Scheduled Replacement: Replace hydraulic seals and brake bands every 2,000 operating hours; service CAT C-15 engine components every 500 hours to prevent power loss.
- Storage & Handling: Store rubber seals and brake components in dry, dust-free packaging; lubricate drive shafts and axles with high-temperature grease before installation; keep engine parts sealed to avoid contamination.
- Service Protocol: Torque all fasteners to OEM specifications; use matched seal kits for hydraulic repairs to maintain pressure integrity; calibrate pneumatic controls after part replacement.
We supply the following spare parts:
| № | Spare Parts Description | Part Article and Number |
| 1 | Drive Shaft | № 18102”-41/2” |
| 2 | FABCO Steerable Drive Axle ( SDA) | FABCO SDA-2300 |
Engine CATERPILLAR C-15
| № | Spare Parts Description | Part Article and Number |
| 1 | Fuel Nozzle | CA 253-0616 |
| 2 | Compressor | 304-2693 |
| 3 | Generator | CAT 169-3345 |
| 4 | Heat Exchanger | 7C0145 |
Drawworks main Drum 75 MSA 403
| № | Spare Parts Description | Part Article and Number |
| 1 | Brake band set with bolts and nuts | 75MB 303 |
4.Pneumatic System of the main Drawwork
| № | Spare Parts Description | Part Article and Number |
| 1 | Joystick | 7056B411( Modular Remotes 1-800-702-9528 JPS 0000 |
| 2 | Gear shift lever | 7056B230 Rexroth |
- Power cylinder for Mast extension
| № | Spare Parts Description | Part Article and Number |
| 1 | Set of Sealing | 3750-5500-625B |
| 2 | Mud removing ring | Parker D 5500 |
6 Reverse gearbox assembly 65 R BA 05
| № | Spare Parts Description | Part Article and Number |
| 1 | Pneumatic coupling RO 214 ( double disc ) with detailed channel view | 60 R B 128 |
7.Hydraulic System 75PU 4026
| № | Spare Parts Description | Part Article and Number |
| 1 | Hydraulic Pump | 7020B082(A2300 –B9628 E000 6065 P.S.I. Fluid Power Ltd |
| 2 | PTO ( Power Take –Off) gearbox drive | 7032B196 CHELSEA |
On-Site Fault Repair Cases (Field Drilling Scenarios)
Case 1: Rig Mobility Failure (Steerable Drive Axle)
A K750 DRECO rig lost steering and mobility on a remote drilling site, caused by a worn FABCO SDA-2300 steerable drive axle. Replacing the faulty axle with a new OEM-spec unit restored full rig steering and mobility, allowing the crew to relocate the rig and resume drilling.
Case 2: CAT C-15 Engine Power Loss
The rig’s CAT C-15 engine experienced reduced power and rough idling, traced to clogged CA 253-0616 fuel nozzles. Installing new fuel nozzles restored proper fuel injection, returning the engine to full horsepower and eliminating performance issues.
Case 3: Drawworks Brake Failure
During a tripping operation, the rig’s drawworks brakes failed to hold the drill string load, caused by worn 75MB 303 brake band sets. Fitting new brake bands with matched hardware restored full braking torque, ensuring safe hoist operation and preventing accidents.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with the K750 DRECO mobile rig? | Yes, all spare parts are precision matched to the K750 DRECO mobile drilling rig, with OEM part number cross-referencing for perfect fitment across all rig systems. |
| What is the service life of the 75MB 303 drawworks brake band set? | Under normal drilling use, the 75MB 303 brake band set has a service life of 2,000+ operating hours before replacement is recommended. |
| Do these CAT C-15 parts meet original Caterpillar specifications? | Absolutely, all CAT C-15 engine spares (fuel nozzles, compressors, etc.) are manufactured to Caterpillar OEM standards, ensuring full compatibility and performance. |
Procurement Call to Action
This complete range of K750 DRECO mobile drilling rig spare parts is your reliable solution for emergency rig repairs, scheduled preventive maintenance, and full system overhauls. Each component is manufactured to strict OEM standards, with clear part number labeling (FABCO SDA-2300, CA 253-0616, 75MB 303, etc.) to serve as your official procurement and technical reference for accurate part selection and compliance.
Whether you need undercarriage axles for mobility repairs, CAT C-15 engine parts for power restoration, drawworks brakes for safety, or hydraulic seals for leak prevention, this parts portfolio delivers consistent quality and durability for onshore drilling operations. Use the detailed specifications and part number matches to verify compatibility with your K750 DRECO rig, and reach out for technical support to streamline your ordering process. Invest in these genuine-grade spares to minimize rig downtime, uphold drilling safety standards, and protect your mobile drilling equipment long-term.
