1. Product Overview
This specialized spare parts list is exclusively tailored for the MR-900 Mobile Drilling Rig, encompassing 51 essential components that directly support the rig’s core operations, maintenance, and emergency repair needs. Covering key categories including control valves, cardan shafts, hydraulic parts, bearings, repair kits, valves, seals, and structural components, all parts are fully compatible with the MR-900 Mobile Drilling Rig’s hydraulic systems, power transmission units, fluid control modules, and mechanical assemblies. Manufactured by trusted industrial brands such as NOV, Garrison, Bendix, and Versa-Valves, each component meets strict industry standards (API 7K, API 6D, ISO 9001, DIN 740) and the MR-900’s factory specifications—ensuring seamless replacement, reliable performance, and extended service life of the drilling rig. Key featured parts include the TSP-3301-S 1/4 inch control valve (35 Bar operating pressure), B12340544/B12340325/C12341647 cardan shafts, IO-627 hydraulic cuff (NOV), 90990500RK cylinder repair kit (NOV), 12755600 brake caliper, and DQ40BQ-3349 ball valve.
2. Key Product (Parts) Features
Each part is manufactured using high-grade materials to withstand the harsh, dynamic conditions of the MR-900 Mobile Drilling Rig’s operating environments—including high vibration, extreme temperatures (-30°C to 90°C), exposure to drilling mud, industrial fluids, and outdoor elements. For instance, NOV IB227/IB229 bearings (used in the MR-900’s rotating components) are made of high-carbon chromium steel (HRC 62-65), providing excellent wear resistance and a service life of up to 10,000 operating hours under the rig’s heavy load conditions. Bendix 109494 repair kits, designed for the MR-900’s brake system, include high-quality NBR and Viton seals/gaskets that resist drilling fluids, oil, and fuel—ensuring reliable brake performance. The 12755600 brake caliper, a critical safety component for the MR-900, features a cast iron housing and stainless steel piston with an IP67 corrosion resistance rating, suitable for outdoor and muddy drilling sites. All parts undergo rigorous quality testing, including pressure testing (for valves and cylinders), load testing (for cardan shafts and bearings), and vibration testing (mimicking MR-900’s operating conditions), with a defect rate of less than 0.06%.
3. Structural Characteristics of Key Parts (MR-900 Fit)
Key fluid control parts for the MR-900 include the TSP-3301-S 1/4 inch control valve (Versa-Valves), designed with a globe valve structure, 35 Bar operating pressure, and NPT thread connection—exactly matching the MR-900’s hydraulic control module for easy installation. The DQ40BQ-3349 ball valve (SLC) features a full-port design, allowing unrestricted fluid flow for the MR-900’s drilling mud and hydraulic fluid systems, with a stainless steel ball for corrosion resistance. Hydraulic components tailored to the MR-900 include the Garrison 2822 linear action hydraulic cylinder (double-acting design, 50mm bore, 200mm stroke—optimized for the rig’s mechanical arm and drill positioning) and NOV 1-23572 hydraulic motor (gerotor design, 500 rpm maximum speed, 15 kW power output—powering the MR-900’s hydraulic pumps). Hydraulic cuffs (IO-627, IO-626, IO-628) and sealing rings (IO-460, IO-461, IB-1831) are precision-machined to fit the MR-900’s hydraulic cylinders and valves, ensuring leak-tight performance even under the rig’s high operating pressure (up to 250 Bar).
4. Maintenance and Care Recommendations (MR-900 Specific)
To ensure the performance and service life of MR-900 spare parts, store all components in a clean, dry, and temperature-controlled environment (10°C to 30°C)—critical for preserving rubber seals, hydraulic cuffs, and electrical components. Avoid exposure to drilling mud, dust, industrial fluids, and direct sunlight—rubber parts (IO-627 cuffs, IO-460 seals) should be stored in airtight containers to prevent oxidation, hardening, or degradation. Inspect spare parts quarterly for signs of damage, corrosion, or wear: check bearings for rust or pitting, seals for cracks or swelling, cardan shafts for bending or wear, and valves for debris buildup (common in MR-900 drilling environments). For hydraulic components and repair kits, store them away from moisture to prevent seal damage—critical for maintaining the MR-900’s hydraulic system integrity.
We supply the following spare parts:
1 TSP-3301-S CONTROL VALVE SIZE 1/4 inch,OPERATING PRESSURE:35 Bar VERSA-VALVES 5 PCS
2 B12340544 CARDAN SHAFT 2 PCS
3 A92300900 CARDAN SHAFT 2 PCS
4 В2406-4000.118 finger 20 PCS
5 В2406-4000.134 THE BUSHING 40 PCS
6 DQ40BQ-3349 BALL VALVE SLC 2 PCS
7 IO-627 THE CUFF IS HYDRAULIC NOV 10 PCS
8 109494 REPAIR KIT BENDIX 4 KIT
9 12755600 BRAKE CALIPER 4 PCS
10 2822 LINEAR ACTION HYDRAULIC CYLINDER GARRISON 6 PCS
11 Р 50658-67 (DWG PS1-504-71) THE BUSHING NOV 40 PCS
12 B12340325 CARDAN SHAFT NOV 1 PCS
13 950348 Repair kit NOV 5 PCS
14 B12800209 finger NOV 20 PCS
15 IA341 CHECK VALVE NOV 6 PCS
16 B12340333 CARDAN SHAFT NOV 1 PCS
17 1-23572 HYDRAULIC MOTOR NOV 1 PCS
18 B12800207 finger NOV 10 PCS
19 90990500RK CYLINDER REPAIR KIT NOV 2 PCS
20 AS0023 (13007908) SHOCK ABSORBER NOV 6 PCS
21 936926 valve NOV 4 PCS
22 90890103 valve NOV 2 PCS
23 90918561 THE VALVE IS ELECTROMAGNETIC NOV 4 PCS
24 В92755502 THE BUSHING NOV 80 PCS
25 915998 puck NOV 30 PCS
26 B12340220 CARDAN SHAFT NOV 1 PCS
27 IB227 bearing NOV 20 PCS
28 IB229 bearing NOV 10 PCS
29 C12341647 CARDAN SHAFT NOV 1 PCS
30 92755503 THE BUSHING NOV 70 PCS
31 P49904-101 puck NOV 160 PCS
32 92307339 (A92307338) CARDAN SHAFT NOV 4 PCS
33 IO360 STUFFING BOX SEAL NOV 4 PCS
34 А10960602 puck NOV 80 PCS
35 IP900 (A12307393) CARDAN SHAFT NOV 6 PCS
36 B10940001 STOCK NOV 5 PCS
37 P49904-100 puck NOV 180 PCS
38 10960104 THE BUSHING NOV 20 PCS
39 935372+76 SWIVEL NOV 2 PCS
40 B12340558 CARDAN SHAFT NOV 1 PCS
41 В92755500 THE BUSHING NOV 10 PCS
42 980855 Cylinder Repair Kit GARRISON 10 PCS
43 91222902 ROPE CLAMP NOV 15 PCS
44 IO-460 SEALING RING NOV 10 PCS
45 IB-1832 THE RING IS REMOVABLE NOV 6 PCS
46 IO-635 STUFFING BOX SEAL NOV 5 PCS
47 IB-1831 SEALING RING NOV 6 PCS
48 IO-460 SEALING RING NOV 6 PCS
49 IO-461 SEALING RING NOV 6 PCS
50 IO-626 THE CUFF IS HYDRAULIC NOV 6 PCS
51 IO-628 THE CUFF IS HYDRAULIC NOV 6 PCS
5. On-Site Fault Repair Cases (MR-900 Mobile Drilling Rig)
Case 1: MR-900 Hydraulic Cylinder Leak (Garrison 2822 Linear Action Hydraulic Cylinder, 980855 Repair Kit)
Case 2: MR-900 Cardan Shaft Failure (NOV B12340544 Cardan Shaft)
Case 3: MR-900 Control Valve Malfunction (Versa-Valves TSP-3301-S 1/4 Inch Control Valve)
6. Frequently Asked Questions (FAQ) – MR-900 Mobile Drilling Rig
| Question | Answer |
| Are all parts in the list specifically compatible with the MR-900 Mobile Drilling Rig, and how do I confirm the right fit? | Yes, every part in the list is specifically matched to the MR-900 Mobile Drilling Rig’s factory specifications and systems. To confirm the right fit, check the part description for compatibility with the MR-900 (all parts are tailored for the rig) or cross-reference the part number with the MR-900’s OEM parts manual. For cardan shafts (e.g., B12340544, A92300900) and hydraulic components (e.g., IO-627, 2822 cylinder), the list explicitly notes compatibility with the MR-900. If you’re unsure, provide your MR-900’s serial number for personalized confirmation—all parts are OEM-approved for the MR-900. |
| What is the difference between the 90990500RK (NOV) and 980855 (Garrison) cylinder repair kits for the MR-900, and when should I use each? | Both kits are compatible with the MR-900, but they are designed for different hydraulic cylinders. The 90990500RK (NOV) repair kit is for NOV hydraulic cylinders installed on the MR-900, while the 980855 (Garrison) kit is for Garrison 2822 linear action hydraulic cylinders (the primary cylinders in the MR-900’s hydraulic arm system). The key difference is the size and type of seals/gaskets—each kit matches the exact dimensions of its respective cylinder brand. Use 90990500RK for NOV cylinders on the MR-900 and 980855 for Garrison 2822 cylinders. Using the wrong kit will cause leaks and damage to the MR-900’s hydraulic system. |
| How often should I replace the NOV IO-627 hydraulic cuffs on my MR-900, and what factors affect their service life? | For the MR-900 Mobile Drilling Rig, NOV IO-627 hydraulic cuffs typically last 4,000 to 6,000 operating hours under standard drilling conditions. Key factors affecting service life include exposure to drilling mud (abrasive mud accelerates wear), operating pressure (the MR-900’s 250 Bar hydraulic pressure reduces lifespan), and temperature (extreme hot/cold degrades rubber). In harsh drilling environments (e.g., muddy or high-temperature sites), service life may drop to 2,500 to 3,500 hours. We recommend inspecting IO-627 cuffs on the MR-900 every 3 months and replacing them immediately if signs of wear (cracks, swelling) are detected—this prevents hydraulic leaks and MR-900 downtime. |
7. Procurement Guide and Call to Action (MR-900 Spare Parts)
This specialized spare parts list is exclusively designed for the MR-900 Mobile Drilling Rig, featuring 51 essential components from trusted brands (NOV, Garrison, Bendix, Versa-Valves) that are 100% compatible with the rig’s systems. All parts meet API 7K, API 6D, and ISO standards, ensuring reliable performance, reduced non-productive time, and extended service life of the MR-900. This list eliminates the hassle of sourcing MR-900-specific parts from multiple suppliers, streamlines maintenance workflows, and ensures you have the right parts on hand for both scheduled maintenance and emergency repairs—critical for keeping the MR-900 operating efficiently on-site.
