20 Mar 2026

DQ40/50/70 Top Drive & ZJ Series Rig Spare Parts (FZ35-35/70 BOP & ZQ203 Power Tong)

Precision Equipment Fitment & Target User Segmentation

This heavy-duty oilfield spare parts portfolio is engineered for direct OEM drop-in replacement, fully compatible with DQ40/DQ50/DQ70 drilling rig top drives, ZJ-20/ZJ-30/ZJ-32/ZJ-45/ZJ-70 series drilling rigs, FZ35-35/FZ35-70 ram blowout preventers (BOPs), ZQ203-100/125 drill pipe power tongs, F-1000/F-1300/F-1600 mud pumps, GT350E/GT550E/NK400E engines, VOLVO FM12 trucks, and SNC40-17 high-energy mixers. It caters to a highly targeted user group: oilfield top drive maintenance technicians, rig brake and drive system specialists, BOP well control repair crews, mud pump fluid end engineers, power tong service teams, rig asset reliability managers, and oilfield procurement professionals focused on eliminating unplanned downtime and mitigating safety hazards. These users face urgent, costly pain points: top drive spring fatigue causing lifting instability, rig brake component wear leading to unresponsive stopping, BOP seal degradation triggering high-pressure leaks, mud pump plunger seal failures reducing pumping efficiency, and power tong clamping malfunctions disrupting drill pipe handling — all of which result in expensive drilling delays and operational risks on the rig floor.

Core Purpose Statement

Every component in this lineup is designed to resolve mission-critical failures in top drive systems, rig power transmission, well control sealing, mud pump hydraulics, and drill pipe handling, ensuring safe, compliant, and continuous oilfield drilling operations. These parts deliver stable load support for top drive assemblies, responsive braking and smooth power transfer for drilling rigs, leak-proof high-pressure sealing for BOP systems, consistent hydraulic performance for mud pumps, and secure clamping for power tongs. Backed by 100% dimensional verification, API 16A/7K industrial standard certification, and pressure testing up to 70MPa, these parts boast a 99.9% perfect OEM fit rate and 49% longer service life in high-vibration, high-pressure, oil-contaminated oilfield environments compared to generic aftermarket alternatives. Our core goal is to supply rugged, quick-install, fully compliant spare parts that reduce maintenance downtime, lower long-term replacement costs, and uphold the strictest safety and efficiency standards for critical oilfield drilling and well control equipment.

Structured Product Description

Product Introduction

This comprehensive spare parts collection covers top drive accessories, rig brake and drive components, BOP sealing and structural parts, mud pump fluid end accessories, power tong hardware, and engine/chassis replacement parts, featuring flagship models and part numbers: DQ40/50/70 flat steel wire cylindrical helical compression springs, ZJ32L6/ZJ45 winch drive shafts and brake components, FZ35-35/FZ35-70 gate rubber cores and sealing rings, ZQ203-100 power tong jaw plates and connection plates, F-1600 mud pump safety valves and cylinder heads, and FKQ640-6 air control console cables. Each component is fabricated from premium industrial materials: high-carbon alloy steel for top drive springs and rig shafts, oil-resistant nitrile rubber for BOP seals, wear-resistant brass for mud pump plunger rings, high-friction composite materials for brake pads, and corrosion-resistant metal for structural fasteners. All parts pass strict fatigue testing, pressure testing, and dimensional tolerance checks to ensure seamless installation without modifications.

Function Description

 Top Drive Components: DQ40/50/70 helical compression springs provide stable load buffering and vibration damping for top drive lifting operations; quick connectors and spring pins secure structural integrity and reduce mechanical wear.

 Drilling Rig Parts: ZJ series winch shafts, brake belts, and sprockets enable smooth power transmission and responsive braking for rig lifting and turntable operations; adjustment screws and springs fine-tune brake performance for consistent stopping power.

 BOP Assemblies: FZ35-35/FZ35-70 gate rubber cores, sealing rings, and pressure rings deliver reliable high-pressure well control sealing, preventing fluid blowouts; hinge seats and cylinder heads maintain BOP structural stability and pressure containment.

 Mud Pump Hydraulic Parts: F-series mud pump plunger seals, guide sleeves, and safety valves regulate hydraulic pressure and eliminate fluid leaks; oil seals and filters protect internal components from contamination and wear.

 Power Tong Accessories: ZQ203 series jaw plates, compression sleeves, and connectors ensure secure drill pipe clamping and precise torque delivery; barometer connectors monitor operational pressure for safe handling.

Structure Characteristics

 High-Fatigue Resistance for Top Drive Springs: DQ series helical compression springs are precision-wound from high-tensile steel, withstanding repeated load cycles without deformation or breakage, maintaining consistent spring force under heavy lifting loads.

 High-Pressure Sealing Integrity: BOP rubber cores and sealing rings feature molded precision contours, maintaining leak-tight performance under 70MPa extreme pressure and resisting degradation from drilling fluid, crude oil, and high temperatures up to 145℃.

 Heavy-Duty Wear Resistance: Rig brake pads and mud pump plunger rings use wear-resistant materials, withstanding continuous friction and vibration without glazing, cracking, or premature wear; precision machining ensures ±0.003mm dimensional accuracy for perfect OEM fit.

 Corrosion & Vibration Resistance: Metal components feature zinc-nickel anti-corrosion coatings; rubber seals and hydraulic hoses withstand extreme temperature fluctuations and rig vibration for extended service life.

Applicable Operating Conditions

These parts are engineered to perform reliably in extreme oilfield drilling and well control environments, including:

 Onshore/offshore drilling rigs (DQ40/50/70 top drive systems, ZJ series winch, brake, and turntable assemblies)

 FZ35-35/FZ35-70 ram BOP well control and pressure containment systems

 ZQ203 series drill pipe power tong pipe handling equipment

 F-1000/F-1300/F-1600 mud pump fluid end and hydraulic systems

 GT350E/GT550E/NK400E diesel engines and VOLVO FM12 heavy-duty chassis

 Operating temperature range: -35℃ to 145℃, pressure rating up to 70MPa, suitable for high-vibration, heavy-load, corrosive oilfield operations

Maintenance & Care Recommendations

 Top Drive Maintenance: Inspect helical compression springs and spring pins every 200 operating hours; check for fatigue cracks or deformation; replace worn springs promptly to maintain lifting stability.

 Rig Brake & Drive Care: Inspect brake belts, pads, and adjustment screws quarterly; lubricate drive shafts and sprockets to reduce friction; replace worn brake components to ensure responsive stopping.

 BOP Upkeep: Check gate rubber cores and sealing rings during routine pressure testing; replace degraded seals; torque hinge seats and fasteners to OEM specifications to preserve pressure integrity.

 Mud Pump & Power Tong Care: Replace hydraulic filters and plunger seals every 300 hours; inspect power tong jaw plates and connectors monthly; clean clamping surfaces to maintain torque accuracy.

We supply the following spare parts:

Drilling rig top drive accessoriesDQ40/50/70 flat steel wire cylindrical helical compression spring medium size 245*13*45

Electric drill disc brake accessoriesZJ40 spring pin SC-12

Trunk accessories ZJ32L6 lower right-angle box large eight-shaped gear

Winch drive shaft accessories ZJ-45 ZJ45 transmission shaft fork ring 106.02.31.00

Liquid end accessories SEV5320TGJ TPH400 gland seal 4-1/2″

Casing power tong accessories TQ340 Support foot 35Y 24.130.00

GT550E Universal* Quadruplepump oil seal

General trial mining tool accessoriesBit Box 17 1/2″

winch brake operating mechanismAccessories ZJ50D28 pressure transmitter CGYL-203

Pneumatic winch and accessories XJFH5/35 Pneumatic Winch Drum Rope Roller

Drill pipe power tong accessories ZQ203-100 pin 0101-42M

Brake device accessories ZJ30 Brake block 305*304*26.5mm assembly with copper screws

Solid Lubricant Polymer Alcohol PGCS-1

35×70 BOP AccessoriesFZ35-70 gate rubber core 5″ DFZ1310.01A-02

Roller shaft accessories ZJ-70DB two-way connector body M14*1.5/1/4NPT

Drill pipe hanger accessories ZQ-100 bearing 8106

Casing power tong accessories TQ365-55Y Jaw plate 5-1/2″ 58.610-01

Liquid end accessories GJQ45-21 OFM600 plunger oil ring 4-1/2″

Winch intermediate shaft accessories ZJ45 rubber sealing ring 190/230*15

Drill pipe clamp accessories ZQ203-100 Connection plate 0106-02M

GT550E Chassis*Tiressteel ring

Liquid end accessories GJC70-25 PG05A+TH06 A copper ring for plunger 5″

Air Control Driller’s Console FKQ 640-6 air pipe cable (polyurethane) 19 cores*50m

winch brake operating mechanismAccessories ZJ-30 combination valve HC-2-X-P50975-0003

Compensation for other logging toolsSub-lithology density micro-column focused logging tool PEX150-SH Schlumberger

Power end accessories JR5321TSN OFM600S Tie rod oil seal P100012658A

High Energy Mixer Accessories SNC40-17 Check Valve 1/4″ NPTF

35×70 BOP AccessoriesFZ35-70 hinge seat JK00213-52

Hydraulic tank accessories F-1300 Hydraulic cylinder assembly AH36001-05.01A.00

NK400E chassis * wheelTire screw and cap front left

Hydraulic tank accessories F-1600 Safety valve assembly type AQ-2

Transmission No. 1 TransmissionShaft accessories JC45 and axle 024.21.50.11

Wheel Loader AccessoriesZL50G connecting rod bushing 8N1849 Shangchai

Liquid end accessories GJC70-25 PG05A+TH06 Plunger three brass rings 5″

Sewage pump DWXY180-15-15-N YB3-160M2-2 15kW

35×35 BOP AccessoriesFZ35-35 right cylinder head RJ11172.11

Complete set of floating hoop shoes FGFX FZ QC 508mm

Brake device accessories ZJ-32 brake belt 106.04.53.00

Liquid end accessories SEV5320TGJ TPH400 guide sleeve 4-1/2″

Winch oil pump drive shaftPart ZJ50D28 External connector R1

Turntable input shaft accessories ZJ-40 Upper angle gearbox output shaft

Manifolds and accessories JR GJC45-21Ⅱ pressure reducing valve C02001111

EQ1141G (EQ153) Universal* rear view mirror assembly 202N020 original factory

GT350E chassis* on boarddoor lock mechanism

Winch intermediate shaft accessories ZJ45 Roller shaft assembly 106.02.20.00

Hydraulic tank accessories F-1300 inner plug

Power selection box accessories JR5321TSN large pump oil pressure gauge C050020855A

VOLVOFM12 lubrication*Oil pan gasket

Drill pipe power tong accessories ZQ203-100 Compression sleeve 02-03M

Electric drill disc brake accessoriesZJ70D quick connector H4-62 H4-63

Cylinder liner piston accessories F-1600 cylinder head AH36001-05.03

GT550E Cooling Appliance*Reversing buzzer

Winch output shaft accessories ZJ45 Ⅱ gear sprocket 106.04.40.14 Z=27

GT550E Universal Safety Hoistroller bearing

35×35 BOP AccessoriesFZ35-35 pressure ring F751.14.19

VOLVO series dieselEngine Parts Fuel System * Pressure Sensor 20796744

winch brake operating mechanismAccessories ZJ-45 brake adjustment screw JC-45 winch

Benz 2530 clutch*Combiner steel sheet assembly

Pipe grabbing machine accessories LG856 Friction pad assembly 35C0025

Wheel Loader AccessoriesCG956E brake shoe Z5EII060101

35×70 BOP Accessories2FZ35-70 gate assembly 9-5/8″

Winch drive shaft accessories ZJ-20 Pilot faucet repair kit

Roller shaft accessories ZJ-45Water gas hyacinth 116.17.00

Drill pipe power tong accessories ZQ203 card cover 100 0107-00M

Desander accessories ZCSQ-300X2 snail shell

Liquid end accessories GJC70-25 PG05A+TH06 Two copper rings for plunger 5″

35×70 BOP AccessoriesFZ35-70 piston sealing ring JK00213-20

GT550E Engine* Daycar pulley

Hydraulic tank accessories F-1000 Tee-AK75350105 1/4″

Winch intermediate shaft accessories ZJ32L6 oil supply sprocket AF32002-04.10

Hydraulic tank accessories F-1600 JA-3 shear safety valve GH3161-28.00

35*35 BOP accessoriesFZ35*35RS side door bolt FZ897.1.19

Winch drive shaft accessories ZJ32L6 inner spacer BA70001-06.10

Power selection box accessories 70-30 oil-water separator assembly

VOLVOFM12 brake*Rear brake hub

Winch intermediate shaft accessories ZJ32L6 intermediate shaft assembly AF60001-02.04.00

Drill pipe clamp accessories ZQ203-100 Barometer connector assembly 010802-00M

Liquid end accessories PCT521 TPH400 Packing Race 4-1/2″ P8045001

GT350E Chassis*TiresScrew and cap front left

Remote Control System AccessoriesFRDQ1280-8 remote control console pneumatic pump Y20-00

winch brake operating mechanismAccessories ZJ-45 brake belt adjustment spring JC-45 winch

Winch drive shaft accessories ZJ32L6 Transition flange BA70011-03.48.00

Winch drive shaft accessories ZJ-32J II with pump shaft

Hydraulic tank accessories F-1000 Lock nut M24 AH35001-05.15A

GT350E Cooling Appliance*Air brake switch sensor

Rod crane accessories ZQ203-100 Spring sleeve 010203-00M

Hydraulic tank accessories F-1600 Liquid level gauge float 400-600

35×35 BOP accessoriesFZ35*35SK W-shaped sealing ring DFZ5414-29

Hydraulic tank accessories F-1300 Discharge pipe filter AH36001-19.01.01

Pneumatic winch and accessories XJFH/35 Gas distribution assembly check valve

Drill pipe power tong accessories ZQ203-125 jaw plate 4″

Liquid end accessories GJC70-30Ⅱ OFM600S Plunger Copper Ring 3 1/2″

Tube rack FKQ6406PK031.01

Brake device accessories ZJ-45 ZJ45 with brake concave pad 106.02.50.04

Natural electricity of other logging toolsBit Probe SPA-A-SH Schlumberger

35×35 FZ35-35 gatePlate assembly 9-5/8″ DFZ1310.01F-02

Passive shaft accessories F-1300 Oil seal ring AH36001-04.21

35×35 BOP accessoriesFZ35-35 Grease injection plug NPT1″ JK00213-26

Cementing hydraulic system accessoriesGJC40-17 monitoring instrument YB

GT550E Shift* ShiftBox shaft oil seal

 

Field Fault Repair Cases

Case 1: DQ70 Top Drive Lifting Instability

A DQ70 top drive experienced erratic lifting and vibration due to fatigued medium-size helical compression springs (245*13*45). Replacing the OEM-spec springs and recalibrating the top drive load balance restored stable, smooth lifting performance.

Case 2: ZJ45 Winch Brake Failure

A ZJ45 rig winch suffered unresponsive braking and slippage due to a worn brake belt and broken adjustment spring. Installing the 106.04.53.00 brake belt and JC-45 adjustment spring fixed the braking issue and restored reliable stopping power.

Case 3: FZ35-70 BOP Pressure Leak

An FZ35-70 BOP developed fluid leaks during well control operations due to a damaged 5″ gate rubber core. Swapping in the DFZ1310.01A-02 rubber core and pressure-testing the BOP eliminated leaks and restored full pressure containment.

Frequently Asked Questions (FAQ)

Question

Answer

Is the 245*13*45 helical compression spring only for DQ40/50/70 top drives?

Yes, this medium-size flat steel wire spring is a direct OEM replacement designed exclusively for DQ40/DQ50/DQ70 drilling rig top drive load buffering systems.

What rig model uses the ZJ45 106.04.53.00 brake belt?

This brake belt is precision engineered for ZJ45 series drilling rig winch brake systems, ensuring reliable friction and stopping performance.

What BOP fits the FZ35-70 5″ gate rubber core DFZ1310.01A-02?

This rubber core is a direct fit for FZ35-70 ram BOPs, providing a tight high-pressure seal for well control operations.

Closing Section: Procurement Reference & Call to Action

This complete lineup of top drive, drilling rig, BOP, mud pump, and power tong spare parts serves as both a definitive procurement reference standard and a practical technical troubleshooting guide for oilfield maintenance, repair, and procurement teams. Every component is backed by strict API certification, OEM compliance, and field-proven performance data, ensuring you source reliable parts that mitigate unplanned downtime risks, reduce safety hazards, and lower long-term maintenance expenses. Whether you need emergency top drive spring replacements, rig brake overhauls, BOP seal repairs, mud pump fluid end servicing, or power tong component swaps, these direct-fit, durable components meet global oilfield safety and operational standards. Investing in these precision-engineered spare parts guarantees stable top drive lifting, responsive rig braking, leak-proof well control, efficient mud pumping, and secure drill pipe handling, avoiding costly drilling shutdowns in even the harshest oilfield environments. Secure your supply of these certified, OEM-compatible components to match your exact repair and replacement needs, and keep your critical drilling and well control equipment running efficiently and safely at all times.

 

contact us 

Emeil: [email protected]   whatsapp: +86 15275658619

Should you have any purchase intentions, please contact us – we will offer you our most favorable price.


Prosperity Petroleum Equipment

Quick Inquiry