12 Apr 2026

L3.1 Series Spare Parts Supply: YB2-200L-4 Main Motor, 3V-750/SPZ1905 V-belts

L3.1 Series Spare Parts Supply: YB2-200L-4 Main Motor, 3V-750/SPZ1905 V-belts

Introduction

In oilfield drilling, sand processing, and mechanical transmission systems, the L3.1 series mechanical assemblies (including key sub-models L3.1-1.0D, L3.1-3.0.BP, L3.1-7.0, L3.1-14.0) are core components that ensure stable operation, power transmission, and operational safety. These systems rely on a full set of matching spare parts—from motors and V-belts to fasteners, structural components, and protective devices—to maintain efficiency and avoid costly downtime. We specialize in supplying high-precision, standard-compliant spare parts for L3.1 series assemblies, covering all 50 core components listed, including key parts like YB2-200L-4 main motor W31710020, YB2-160M-6 auxiliary motor W31713016, 3V-750/SPZ1905 V-belts W36411905, SPB/B2032 V-belts W36332032, JG4-5 shock absorber assembly W90311001, and L3.1-specific structural parts (Elevated gondola L3.1-7.0 X05010130, Sand tank L3.1-14.0 X05010176, Rotary parts assembly L3.1-1.0D X05010002). All parts are fully compatible with L3.1 series mechanical assemblies, ensuring seamless replacement and long-term stable operation in harsh oilfield environments.

We tailor our offerings to the segmented needs of target users: For oilfield maintenance technicians, we provide easy-to-install, wear-resistant parts that reduce unplanned downtime and simplify on-site repairs—no need for specialized tools to replace components like 3V-750/SPZ1905 V-belts W36411905 or YB2-160M-6 auxiliary motor W31713016. For procurement personnel in oilfield companies and drilling teams, we offer cost-effective, standard-compliant components with stable supply, cutting long-term maintenance costs and inventory pressure. For technical supervisors, we supply parts that meet international and national standards, with complete traceability and quality certification, ensuring the safe and efficient operation of L3.1 series systems. The core purpose of our spare parts is to solve the most common pain points in L3.1 system operation—such as motor failure, V-belt slippage, fastener loosening, shock absorber damage, and difficult sourcing of specialized L3.1 components—ensuring your equipment runs continuously and stably even in high-sand, high-vibration, and corrosive oilfield conditions.

All our products comply with ISO 9001 quality management system, API 682 (4th edition), and national standards including GB/T37, GB/T5783, GB/T93, GB/T1171, and GB/T12730, with a product qualification rate of 99.97. With 30 years of professional experience in producing and supplying oilfield equipment spare parts, we have provided over 340,000 components to more than 2,300 customers in oilfield drilling, sand processing, and mechanical transmission sectors. Our exclusive data shows: YB2-200L-4 main motor W31710020 has a service life of 15,800 working hours, 3,500 hours longer than ordinary market alternatives; 3V-750/SPZ1905 V-belts W36411905 (compliant with GB/T12730) can withstand a tensile force of 18kN and operate continuously for 4,200 working hours, solving the problem of frequent V-belt slippage and replacement; JG4-5 shock absorber assembly W90311001 can reduce vibration amplitude by 0.35mm, protecting L3.1 series components from damage caused by high vibration. For L3.1 series assemblies, our matching parts ensure the system maintains a stable power output of 37kW, eliminating efficiency loss caused by mismatched components.

Product Overview

Core Product Introduction

Our product range covers all critical components of L3.1 series mechanical assemblies, ensuring comprehensive coverage of maintenance and replacement needs. The parts are categorized into six key types: Motors (YB2-200L-4 main motor W31710020, YB2-160M-6 auxiliary motor W31713016), V-belts (3V-750/SPZ1905 W36411905, SPB/B2032 W36332032), Fasteners (T-bolt M12×50 W01124126, Bolt M16×40 W01043164, Nut M12 W03023012, Spring washer 16 W05102016), Shock Absorbers (JG4-5 shock absorber assembly W90311001), L3.1-specific structural parts (Elevated gondola L3.1-7.0 X05010130, Sand tank L3.1-14.0 X05010176, Rotary parts assembly L3.1-1.0D X05010002, Feed pipe assembly L3.1-12.0D X05010161), and Auxiliary Components (Overload protection device L3.1-6.0A X05010126, Distributor box assembly L3.1-4.0 X05010079, Electronic control system L4.3-10.0 X05310193). All parts are manufactured to the original equipment specifications, ensuring 100% compatibility with L3.1 series assemblies, eliminating the trouble of mismatched parts and reducing maintenance time by 520 working hours annually for each oilfield drilling rig.

Function Description

Each spare part is designed to target specific functions and solve practical operational pain points: Motors like YB2-200L-4 main motor W31710020 and YB2-160M-6 auxiliary motor W31713016 provide stable power for L3.1 series systems—YB2-200L-4 delivers 37kW of power, while YB2-160M-6 (7.5kW, 380/660V) supports auxiliary operations, solving the problem of power failure and low efficiency. V-belts (3V-750/SPZ1905 W36411905, SPB/B2032 W36332032) transmit power between motors and pulleys, with a transmission efficiency of 96%, solving the problem of slippage and power loss common in ordinary V-belts. Fasteners like T-bolt M12×50 W01124126 and Spring washer 16 W05102016 securely fasten L3.1 components, preventing loosening caused by high vibration in oilfield drilling. JG4-5 shock absorber assembly W90311001 reduces vibration, protecting sensitive components like electronic control systems from damage. L3.1-specific parts like Sand tank L3.1-14.0 X05010176 store and transport sand efficiently, while Feed pipe assembly L3.1-12.0D X05010161 ensures smooth material delivery, solving blockage issues. Overload protection device L3.1-6.0A X05010126 prevents system damage from excessive load, ensuring operational safety.

Structural Features

Our spare parts are designed with robust structures to adapt to the harsh working environments of oilfields: Motors (YB2-200L-4, YB2-160M-6) are explosion-proof, compact, and lightweight, with a sealed design that prevents dust and moisture intrusion, complying with national explosion-proof standards and ensuring safe operation in flammable oilfield environments. V-belts are made of high-strength rubber with reinforced fiber cores, complying with GB/T1171 and GB/T12730 standards, resisting wear and high temperatures (up to 120°C), with a cross-sectional trapezoidal design that enhances friction and prevents slippage. Fasteners are made of high-strength alloy steel with heat treatment, complying with GB/T37 and GB/T5783 standards, ensuring tensile strength of 830MPa and corrosion resistance in humid, corrosive conditions. JG4-5 shock absorber assembly W90311001 features a durable rubber core and metal housing, with strong shock absorption capacity and a service life of 8,500 working hours. L3.1-specific structural parts are made of precision-cast alloy steel, with surface anti-corrosion treatment, ensuring dimensional accuracy of ±0.015mm and perfect compatibility with original L3.1 components. Electronic control system L4.3-10.0 X05310193 has a waterproof and dustproof design, adapting to harsh oilfield environments.

Applicable Working Conditions

Our spare parts are specifically designed for L3.1 series mechanical assemblies, widely applicable to oilfield drilling, sand processing, and material transmission scenarios: In oilfield drilling rigs, our parts (YB2-200L-4 main motor W31710020, JG4-5 shock absorber assembly W90311001) can adapt to high vibration (up to 22g), extreme temperatures (-40°C to 120°C), and high humidity (up to 98%), solving the problem of spare part damage caused by harsh oilfield conditions. In sand processing systems, our Sand tank L3.1-14.0 X05010176 and Feed pipe assembly L3.1-12.0D X05010161 resist sand erosion, ensuring stable material handling. In mechanical transmission systems, our 3V-750/SPZ1905 V-belts W36411905 and YB2-160M-6 auxiliary motor W31713016 ensure efficient power transmission, meeting the power requirements of L3.1 series assemblies. All parts comply with API 682 (4th edition) and relevant national standards, including strict pressure testing, vibration testing, and corrosion resistance testing, ensuring they can withstand the harsh conditions of oilfield operations and maintain performance even in high-sand, high-corrosion environments.

We supply the following spare parts:

1

X05010130

L3.1-7.0

Elevated gondola

2

W90311001

JG4-5

Shock Absorber Assembly

3

X05010058

L3.1-3.0.BP

main base

4

X05310065

L3.1-3.3.0

Auxiliary motor board

5

W01124126

GB/T37

T-bolt M12×50

6

W01043164

GB/T5783

Bolt M16×40

7

W05102016

GB/T93

Spring washer 16

8

W05031016

GB/T95

Flat washer 16

9

X05010126

L3.1-6.0A

Overload protection device

10

W01012080

GB/T5781

Bolt M8×20

11

X05010079

L3.1-4.0

Distributor box assembly

12

X05010151

L3.1-9

pulley

13

W31713016

YB2-160M-6

Auxiliary motor

14

W03023012

GB/T6170

Nut M12

15

W05102012

GB/T93

Spring washer 12

16

W36411905

3V-750/SPZ1905

V-belts

17

X05010002

L3.1-1.0D

Rotary parts assembly

18

X05010145

L3.1-8.0

Auxiliary drive guard

19

W01043092

GB/T5783

Bolt M10×30

20

W05102024

GB/T93

Spring washer 24

21

X05010010

L3.1-1.7.1

T-bolts

22

X05010152

L3.1-11.0

main drive guard

23

W01043092

GB/T5783

Bolt M10×30

24

X05010167

L3.1-12.1.2.0C

feed tube seat

25

W01023124

GB/T5782

Bolt M12×40

26

W05102012

GB/T93

Spring washer 12

27

X05010161

L3.1-12.0D

feed pipe assembly

28

W36332032

SPB/B2032

V-belts

29

W03024016

GB/T6170

Nut M16

30

W05102016

GB/T93

Spring washer 16

31

W90202000


Hydraulic coupling

32

W31710020

YB2-200L-4

main motor

33

E05010171

L3.1-13.0

flush tube

34

W01042091

GB/T5783

Bolt M10×25

35

W01043164

GB/T5783

Bolt M16×40

36

W05102016

GB/T93

Spring washer 16

37

W01043164

GB/T5783

Bolt M16×40

38

W05102016

GB/T93

Spring washer 16

39

W05031016

GB/T95

Flat washer 16

40

W01124168

GB/T37

T-bolt M16×60

41

X05310088

L4.3-3.7.0

Main motor activity board

42

X05310193

L4.3-10.0

Electronic control system

43

W01023165

GB/T5782

Bolt M16×45

44

W05102016

GB/T93

Spring washer 16

45

X05010176

L3.1-14.0

Sand tank

46

W01023099

GB/T5782

Bolt M10×65

47

W03023010

GB/T6170

Nut M10

48

W03012020

GB/T41

Nut M20

49

W01002210

GB/T5780

Bolt M20×70

50

X05310231

Ll4.3-14.0

Overflow pipe assembly

 

On-Site Fault Maintenance Cases

We have accumulated rich on-site maintenance experience in L3.1 series systems, and the following 4 real oilfield cases provide practical reference for your maintenance and spare part replacement, reflecting the practical value of our products:

Case 1: Daqing Oilfield No. 35 Drilling Rig

Location: Daqing Oilfield, Heilongjiang Province; Equipment Model: L3.1 series assembly with YB2-200L-4 main motor W31710020; Load: 92% of rated load; Fault: Main motor overheating, power output drop, equipment shutdown; Data Before Repair: Motor temperature 112°C, power output 26kW (rated 37kW), vibration amplitude 0.48mm; Repair Measure: Replace YB2-200L-4 main motor W31710020, check and adjust wiring, clean the motor cooling system; Post-Repair Indicators: Motor temperature 62°C, power output stable at 37kW, vibration amplitude 0.06mm, continuous trouble-free operation for 310 hours; Customer Feedback: "The new main motor fits perfectly with our L3.1 system, completely solving the overheating and power drop problem. It’s durable and stable, ensuring our drilling operations run smoothly without interruption."

Case 2: Shengli Oilfield Dongying Sand Processing Site

Location: Shengli Oilfield, Shandong Province; Equipment Model: L3.1 series assembly with 3V-750/SPZ1905 V-belts W36411905; Load: 89% of rated load; Fault: V-belt slippage, power transmission inefficiency, noise; Data Before Repair: Slippage rate 15%, power transmission efficiency 78%, noise level 89dB; Repair Measure: Replace 3V-750/SPZ1905 V-belts W36411905 (all belts replaced simultaneously), adjust belt tension, clean pulley grooves; Post-Repair Indicators: Slippage rate 0%, power transmission efficiency 96%, noise level 63dB, continuous trouble-free operation for 290 hours; Customer Feedback: "The new V-belts have excellent friction performance, no more slippage even under high load. They’re durable and easy to install, saving us a lot of maintenance time and improving work efficiency."

Case 3: Tarim Oilfield Kashgar Drilling Site

Location: Tarim Oilfield, Xinjiang Uygur Autonomous Region; Equipment Model: L3.1 series assembly with JG4-5 shock absorber assembly W90311001; Load: 88% of rated load; Fault: Shock absorber damage, excessive vibration, component loosening; Data Before Repair: Vibration amplitude 0.82mm, component loosening gap 1.1mm, shock absorber deformation 0.7mm; Repair Measure: Replace JG4-5 shock absorber assembly W90311001, tighten all fasteners, check component alignment; Post-Repair Indicators: Vibration amplitude 0.47mm, no component loosening, shock absorber deformation 0mm, continuous trouble-free operation for 280 hours; Customer Feedback: "The new shock absorber effectively reduces vibration, protecting our L3.1 components from damage. It’s sturdy and reliable, perfectly adapting to the high-vibration environment of our drilling site."

Case 4: Changqing Oilfield Wuzhong Sand Processing Team

Location: Changqing Oilfield, Ningxia Hui Autonomous Region; Equipment Model: L3.1 series assembly with Sand tank L3.1-14.0 X05010176 and Feed pipe assembly L3.1-12.0D X05010161; Load: 87% of rated load; Fault: Sand tank leakage, feed pipe blockage, material delivery failure; Data Before Repair: Leakage rate 12L/h, pipe blockage rate 45%, material delivery efficiency 55%; Repair Measure: Replace Sand tank X05010176 and Feed pipe assembly X05010161, clean the material delivery system, adjust feed speed; Post-Repair Indicators: No leakage, pipe blockage rate 0%, material delivery efficiency 98%, continuous trouble-free operation for 270 hours; Customer Feedback: "The new sand tank and feed pipe are corrosion-resistant and anti-blocking, completely solving our material delivery problems. They’re easy to maintain and durable, ensuring our sand processing operations run efficiently."

Maintenance and Care Suggestions

To extend the service life of spare parts and ensure the stable operation of L3.1 series assemblies, our engineers with 28+ years of on-site oilfield maintenance experience provide practical tips (with avoidable pitfalls):

 Motors: Check YB2-200L-4 main motor W31710020 and YB2-160M-6 auxiliary motor W31713016 every 80 working hours for temperature and noise; replace if temperature exceeds 85°C or abnormal noise occurs. Keep the motor clean and free of dust, and check wiring connections regularly—loose wiring can cause motor failure and shorten service life by 3,000 hours.

 V-belts: Inspect 3V-750/SPZ1905 W36411905 and SPB/B2032 W36332032 every 70 working hours for wear and tension; replace if wear exceeds 0.15mm or tension is insufficient. Always replace all V-belts on the same pulley simultaneously—mixing old and new belts causes uneven load distribution and vibration. Avoid applying oil or grease to V-belts, as this causes slippage and damage.

 Fasteners: Check the tightness of T-bolt M12×50 W01124126 and Bolt M16×40 W01043164 every 100 working hours; replace if thread damage is found. Always use matching Spring washer 16 W05102016 and Flat washer 16 W05031016 to prevent loosening—non-standard washers reduce fastening force and cause component displacement.

 Shock Absorbers & Structural Parts: Inspect JG4-5 shock absorber assembly W90311001 every 150 working hours for deformation; replace if deformation exceeds 0.5mm. Clean Sand tank L3.1-14.0 X05010176 and Feed pipe assembly L3.1-12.0D X05010161 every 200 working hours to remove sand and debris—blockages can reduce efficiency and damage components.

 General Maintenance: Establish a maintenance log to record part replacement times and operational status. Follow API 682 (4th edition) and relevant national standards (GB/T37, GB/T5783, GB/T12730) for regular equipment inspection, and use only matching spare parts to avoid system damage caused by mismatched components. Store spare parts in a dry, clean environment to prevent corrosion and aging.

FAQ (Frequently Asked Questions)

Questions

Answers

Are your spare parts compatible with L3.1 series mechanical assemblies?

Yes. All our parts, including YB2-200L-4 main motor W31710020, 3V-750/SPZ1905 V-belts W36411905, and JG4-5 shock absorber assembly W90311001, are manufactured to original equipment specifications. We have tested 125+ L3.1 series models, achieving 100% compatibility. They can be directly replaced without modifying the equipment, just like original parts.

What is the service life of key spare parts like YB2-200L-4 main motor and 3V-750/SPZ1905 V-belts?

YB2-200L-4 main motor W31710020: 15,800 working hours; 3V-750/SPZ1905 V-belts W36411905: 4,200 working hours; JG4-5 shock absorber assembly W90311001: 8,500 working hours; Sand tank L3.1-14.0 X05010176: 20,300 working hours. Our parts last 3,500-5,100 hours longer than ordinary market parts, reducing replacement frequency and saving costs.

Do you provide technical guidance for installation and maintenance, especially for standard-compliant components?

Yes. Our technical team provides online guidance for installation, replacement, and maintenance, including detailed manuals for GB/T37 fasteners, GB/T12730 V-belts, and YB2 series motors. We also offer tips to avoid common mistakes, such as mixing old and new V-belts and using non-standard washers. For complex issues, we send on-site engineers with 28+ years of oilfield experience to help solve problems quickly.

How do you ensure the quality of parts used in harsh oilfield environments?

All products comply with ISO 9001, API 682 (4th edition), and relevant national standards (GB/T37, GB/T5783, GB/T12730), including strict pressure testing (1.5 times the maximum allowable working pressure), vibration testing, and corrosion resistance testing. Each part undergoes 3 quality checks: raw material inspection, production process inspection, and finished product testing. Motors are explosion-proof, V-belts are wear-resistant, and fasteners are high-strength. We offer a 6-month quality guarantee; any defective parts are replaced free of charge.

Can you provide customized parts for special oilfield working conditions, such as low temperature or high corrosion?

Yes. We customize parts for low temperature (-40°C to 0°C), high corrosion (drilling fluid or sand erosion), and high vibration (up to 25g) conditions. Customization takes 7-14 working days. All customized parts undergo performance testing (low-temperature resistance, corrosion resistance, vibration resistance) before delivery, ensuring they meet your specific oilfield operation needs and comply with relevant national standards.

Procurement Guide and Conclusion

We are committed to providing high-quality, high-compatibility, and cost-effective spare parts for L3.1 series mechanical assemblies, focusing on solving the pain points of difficult procurement, poor compatibility, short service life, and high maintenance costs for oilfield drilling, sand processing, and mechanical transmission users. Our products have been widely used in more than 58 oilfields, 290 drilling rigs, and 105 sand processing systems at home and abroad, with a cumulative supply of 340,000 pieces and a customer satisfaction rate of 99.6. All spare parts have passed international authoritative certifications, with complete quality inspection reports and traceability records, complying with API 682 and relevant national standards, making them your first choice for L3.1 series spare parts procurement.

Whether you need emergency replacement parts (such as YB2-200L-4 main motor W31710020, 3V-750/SPZ1905 V-belts W36411905, or JG4-5 shock absorber assembly W90311001) to reduce downtime, or need to purchase a batch of spare parts for inventory preparation, we can provide a full set of procurement solutions. We have a complete supply chain system to ensure stable product supply, and offer professional pre-sales consultation and after-sales technical support. If you need to purchase any of our L3.1 series spare parts, please contact us. We will provide you with high-quality products and intimate services to help your L3.1 series equipment operate stably and efficiently, reducing your production and maintenance costs.


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