Hydraulic, Transmission & Steering Spare Parts (4700600247, 1101002016, P0300020AA)

Core Purpose & Equipment Adaptation

We specialize in the production and supply of high-precision spare parts, specifically engineered to match hydraulic, transmission, steering, structural, and safety systems of industrial and oilfield equipment—with key models including 4700600247 Hydraulic quick coupling 31.5, 1101002016 Hose assembly 8 1-800, P0300020AA Sheave, Z02030100008AA Steering gear assembly, and 3801950001 2 position 3 way directional valve. All our parts comply with strict industry standards, including ISO 9001 (Quality Management), API Spec 7K (Drilling Equipment Components), ISO 6406 (Hydraulic Components), GB/T 9061 (Couplings), and GB/T 10827 (Hydraulic Hoses), ensuring seamless compatibility and reliable performance. Our comprehensive product range covers critical categories tailored to equipment operational needs: hydraulic components (4700600247 quick coupling, 1101002016 hose assembly, 3801950001 directional valve, 5400150038 filter), transmission parts (P0300020AA sheave, P3200005AA bull gear, P3000005AA gear Z=34, P2400300AA crown shaft), steering components (Z02030100008AA steering gear assembly, Z07080000003AA steering power assisting lines), structural parts (P9941617AA front leg L19522, P9840056AA reinforced edge beam, P9830047AA small beam), fastening parts (4309300030 nut M30, 4313000016 spring washer 16, 4300506012 bolt M6X12), and safety components (Z05020102001AA safety line, Z03050400155AA top guard). We directly address the unique pain points of three core user segments—equipment operation teams, on-site maintenance technicians, and procurement professionals—each relying on our parts to keep equipment running smoothly, safely, and efficiently. Operation teams face costly disruptions: faulty 4700600247 hydraulic quick couplings cause fluid leaks, reducing system pressure and equipment efficiency; worn P0300020AA sheaves lead to transmission slippage and power loss; damaged Z02030100008AA steering gear assemblies compromise equipment maneuverability and safety; and clogged 5400150038 filters damage hydraulic components, resulting in unplanned downtime. Maintenance technicians need easy-to-install, OEM-compatible parts with clear guidance to resolve hydraulic, transmission, and steering faults quickly—avoiding complex modifications that waste time and increase labor costs. Procurement professionals struggle to source full-range, equipment-specific parts (for 4700600247 couplings, 1101002016 hoses, P0300020AA sheaves) that meet strict industry standards, avoid ill-fitting components that cause repeated breakdowns, and align with tight budgets while ensuring long-term reliability. The core purpose of our products is to eliminate these pain points by providing direct-fit, high-quality replacements for all mission-critical components—delivering leak-proof hydraulic performance, smooth transmission, responsive steering, stable structural support, and secure fastening—all designed to withstand harsh industrial and oilfield conditions, reduce operational downtime, and lower maintenance and replacement costs.

Product Overview

We offer a comprehensive portfolio of spare parts tailored to the specific needs of hydraulic, transmission, steering, structural, and safety systems of industrial and oilfield equipment, with key models including 4700600247 Hydraulic quick coupling 31.5, 1101002016 Hose assembly 8 1-800, P0300020AA Sheave, Z02030100008AA Steering gear assembly, and 3801950001 2 position 3 way directional valve. Our product range encompasses all critical categories to cover every equipment need: Hydraulic Components: 4700600247 hydraulic quick coupling (31.5MPa pressure rating), 1101002016 hose assembly 8 1-800, 1101002013 hose assembly 8I-650, 1101009042 hose assembly 16I-1500, 3801950001 2 position 3 way directional valve, 5400150038 filter, P4100769AA hose fitting, QBJ6130808 Z1″ elbow, QBJ11040438 Z1/2”pipe clamp, P2100274AA steel pipe 32, P9970767AA steel pipe 32 900mm, P9970924AA support pipe; Transmission Parts: P0300020AA sheave, Z04120900005AA crown sheaves, P2400300AA crown shaft, P3200005AA bull gear, P3000005AA gear Z=34, P1101267AA liner, P1100660AA supporting ring; Steering Components: Z02030100008AA steering gear assembly, Z07080000003AA steering power assisting lines; Structural Parts: P9941617AA front leg L19522, P9840056AA reinforced edge beam, P9830047AA small beam, Z05011200133AA bottom assembly, Z05020300044AA pipe guiding frame, Z03050400155AA top guard; Fastening Parts: 4309300030 nut M30, 4315100024 nut M24, Z02070200001AA nut, 4313000016 spring washer 16, 4313200010 washer 10, 4300506012 bolt M6X12, P2200147AA set screw, P2001405AA double tapered pin 050X125, P2000434AA pin; Safety & Auxiliary Parts: Z05020102001AA safety line, P9990081AA steel wire 2 L=500, 105700015 steel wire 2.9×60, P1000227AA adjusting shim, P1000374AA adjusting shim, P1101688AA cushion sleeve, P1000209AA paper pad, P1100050AA oil seal spacer, P6302570AA nameplate(seven bank valve), P6300195AA nameplate (lock air supply), P7200133AA press plate. All parts are manufactured using premium materials: high-strength steel for structural and transmission parts, corrosion-resistant alloy for hydraulic components, wear-resistant rubber for hoses, and precision-machined materials for gears and couplings. Every part is a direct OEM-compatible replacement, engineered to exact dimensions and functional specifications to eliminate on-site modifications, reduce maintenance time, and ensure seamless integration with existing equipment—delivering long service life, reliable performance, and minimized replacement costs.

Functional Features

Our spare parts are designed to directly solve the most common on-site pain points—hydraulic leaks, transmission inefficiency, steering failure, structural instability, and fastening loosening—with functional features that prioritize reliability, safety, durability, and ease of use, all tailored to real equipment operational needs:

• Leak-Proof & High-Pressure Hydraulic Performance: 4700600247 Hydraulic quick coupling 31.5 is rated for 31.5MPa working pressure, featuring a precision seal design to prevent hydraulic fluid leaks—ensuring stable system pressure and efficient power transmission. 1101002016 Hose assembly 8 1-800, 1101002013 Hose assembly 8I-650, and 1101009042 Hose assembly 16I-1500 are made of reinforced rubber with steel braiding, resisting high pressure and wear while maintaining flexibility for equipment movement. 3801950001 2 position 3 way directional valve provides precise control of hydraulic fluid flow, ensuring responsive operation of hydraulic components. 5400150038 Filter traps impurities (down to 10μm) from hydraulic fluid, protecting valves, couplings, and hoses from damage—extending their service life.

• Smooth & Efficient Transmission: P0300020AA Sheave and Z04120900005AA Crown sheaves are precision-machined with wear-resistant grooves, ensuring smooth rope or belt operation and minimizing slippage—delivering efficient power transfer. P3200005AA Bull gear and P3000005AA Gear Z=34 feature precision teeth cutting for tight meshing, reducing friction and noise while transmitting high torque. P2400300AA Crown shaft is heat-treated for wear resistance, ensuring stable rotation and reliable power transmission to other components. P1101267AA Liner and P1100660AA Supporting ring reduce friction between transmission parts, extending their service life and improving efficiency.

• Responsive & Reliable Steering: Z02030100008AA Steering gear assembly provides precise control of equipment direction, featuring a sturdy design with smooth movement and anti-wear components—ensuring responsive steering even in harsh conditions. Z07080000003AA Steering power assisting lines deliver hydraulic fluid to the steering system, reducing steering effort and improving maneuverability. All steering components are designed to work seamlessly together, ensuring stable and reliable operation—critical for equipment safety.

• Stable Structural Support: P9941617AA Front leg L19522 provides strong support for equipment frames, featuring a reinforced steel design with high load-bearing capacity to withstand heavy equipment weight and vibration. P9840056AA Reinforced edge beam and P9830047AA Small beam reinforce equipment structures, preventing deformation under harsh operating conditions. Z05011200133AA Bottom assembly and Z05020300044AA Pipe guiding frame provide stable mounting and support for hydraulic pipes and other components, ensuring structural integrity.

• Secure Fastening & Easy Installation: 4309300030 Nut M30, 4315100024 Nut M24, and 4300506012 Bolt M6X12 feature precision threads for a tight fit, ensuring secure fastening of components—resisting loosening due to vibration. 4313000016 Spring washer 16 and 4313200010 Washer 10 prevent fasteners from loosening, while P2200147AA Set screw, P2001405AA Double tapered pin 050X125, and P2000434AA Pin secure shafts, gears, and other components in place. All parts are designed for easy installation, with no specialized tools required—reducing maintenance time and labor costs.

• Safe & Practical Auxiliary Functions: Z05020102001AA Safety line provides additional safety for equipment operators and components, preventing accidents from falling parts. P9990081AA Steel wire 2 L=500 and 105700015 Steel wire 2.9×60 are used for securing components and repairing small damages, enhancing operational flexibility. P1000227AA Adjusting shim and P1000374AA Adjusting shim allow precise adjustment of component alignment, optimizing performance. P1101688AA Cushion sleeve reduces vibration between components, protecting them from damage. P6302570AA Nameplate(seven bank valve) and P6300195AA Nameplate (lock air supply) provide clear identification for equipment components, simplifying maintenance and inspection.

Structural Characteristics

Each component is engineered with structural designs optimized for the rigorous mechanical, environmental, and safety demands of industrial and oilfield operations—tailored to their specific function, ensuring durability, safety, and performance in extreme conditions:

• Hydraulic Components: 4700600247 Hydraulic quick coupling 31.5 has a brass or steel body with a precision ball-locking mechanism for quick and secure connection—equipped with a nitrile rubber seal to prevent leaks. 1101002016 Hose assembly 8 1-800 features a reinforced rubber inner tube, multiple layers of steel braiding for high-pressure resistance, and crimped metal fittings with corrosion-resistant coatings—flexible enough to move with equipment while maintaining structural integrity. 3801950001 2 position 3 way directional valve has a cast steel housing with precision-machined valve cores and leak-proof seals—designed for reliable fluid flow control. 5400150038 Filter has a cylindrical steel housing with a replaceable filter element, designed to trap impurities and ensure clean fluid flow.

• Transmission Parts: P0300020AA Sheave has a cast steel or aluminum alloy body with precision-machined grooves—heat-treated for wear resistance and high load-bearing capacity. Z04120900005AA Crown sheaves have a similar design, with multiple grooves for simultaneous rope operation. P3200005AA Bull gear and P3000005AA Gear Z=34 are made of high-strength alloy steel with precision teeth cutting—heat-treated for wear resistance and high torque capacity. P2400300AA Crown shaft has a cylindrical alloy steel design with precision-machined surfaces, ensuring smooth rotation and stable power transmission.

• Steering Components: Z02030100008AA Steering gear assembly has a cast iron housing with a worm and gear mechanism for precise direction control—equipped with anti-wear bearings for smooth movement. Z07080000003AA Steering power assisting lines are made of corrosion-resistant steel tubing with precision-bent angles, ensuring leak-proof fluid transfer and easy installation.

• Structural Parts: P9941617AA Front leg L19522 has a rectangular steel tube design with thick walls, welded joints for added strength, and precision-machined mounting points for seamless integration with equipment frames. P9840056AA Reinforced edge beam has a flat steel design with reinforced edges, providing exceptional rigidity for structural reinforcement. Z05011200133AA Bottom assembly has a steel plate design with mounting holes for secure attachment to equipment frames.

• Fastening & Auxiliary Parts: 4309300030 Nut M30 and 4315100024 Nut M24 have a hexagonal steel design with precision threads—zinc-coated for corrosion resistance. 4313000016 Spring washer 16 has a conical spring steel design, providing consistent tension to prevent fastener loosening. P2001405AA Double tapered pin 050X125 has a tapered steel design, ensuring secure connection of components. P1101688AA Cushion sleeve has a rubber or polyurethane design, providing vibration damping and protection for components.

Applicable Working Conditions

Our spare parts are field-tested and rated for the most demanding industrial and oilfield operating environments, working reliably across all key scenarios—meeting ISO 9001, API 7K, ISO 6406, GB/T 9061, and GB/T 10827 standards to ensure performance when it matters most:

• Hydraulic Components: 4700600247 quick couplings, 1101002016 hoses, 3801950001 directional valves, and 5400150038 filters operate in hydraulic systems, withstanding high pressures (up to 31.5MPa) and temperature fluctuations (-20°C to +85°C). They resist hydraulic oil, lubricant, and industrial chemicals, ensuring leak-proof operation and clean fluid flow—suitable for industrial machinery, oilfield equipment, and construction machinery.

• Transmission Parts: P0300020AA sheaves, P3200005AA bull gears, P3000005AA gears, and P2400300AA crown shafts operate in transmission systems, withstanding high torque, high temperatures (+50°C to +120°C), and continuous use. They resist wear, corrosion, and vibration, ensuring smooth power transmission—suitable for oilfield rigs, industrial conveyors, and heavy machinery.

• Steering Components: Z02030100008AA steering gear assemblies and Z07080000003AA steering power assisting lines operate in steering systems, withstanding temperature fluctuations (-20°C to +100°C), vibration, and exposure to industrial fluids. They maintain responsive steering, ensuring equipment maneuverability—suitable for construction machinery, oilfield vehicles, and industrial equipment.

• Structural & Fastening Parts: P9941617AA front legs, P9840056AA reinforced edge beams, and fastening parts (nuts, bolts, washers) operate in equipment frames, withstanding heavy loads, high vibration, and temperature fluctuations (-20°C to +80°C). They resist corrosion and impact, ensuring structural integrity—suitable for oilfield rigs, construction machinery, and industrial equipment.

• General Operating Environments: All parts stand up to industrial dust, oilfield mud, saltwater corrosion (for coastal equipment), high humidity (≤95% RH), heavy vibration, and temperature fluctuations (-20°C to +120°C). They’re suitable for onshore/offshore oilfields, industrial plants, construction sites, and mining operations—meeting all industry safety and quality standards.

Maintenance & Care Recommendations

Proper maintenance of hydraulic, transmission, steering, structural, and fastening spare parts is key to extending their life, reducing replacement costs, and preventing unplanned equipment failure—especially in harsh industrial and oilfield environments. Below are practical, on-site tips designed for maintenance technicians, with clear steps to keep parts working reliably and in compliance with industry standards:

• Regular Inspection (30-50 Working Hours): Visually check all critical parts—inspect 4700600247 hydraulic quick couplings for leaks or damage; check 1101002016 hoses for cracks, bulges, or leaks; inspect P0300020AA sheaves for wear or groove damage; verify Z02030100008AA steering gear assemblies for smooth movement; check fasteners (4309300030 nuts, 4300506012 bolts) for loosening; ensure 5400150038 filters are clean and functional.

• Hydraulic Components Care: Inspect 4700600247 quick couplings monthly for leaks, damage, or loose connections—clean the seal surface regularly and replace seals if worn. Inspect 1101002016, 1101002013, and 1101009042 hoses for cracks or bulges—replace if damaged. Tighten hose fittings and pipe clamps (QBJ11040438) monthly to prevent leaks; apply thread sealant when reinstalling. Replace 5400150038 filter elements every 100 working hours to ensure clean fluid flow—clean the filter housing monthly. Flush hydraulic components quarterly to remove clogs and prevent corrosion; check 3801950001 directional valves for smooth operation—replace if stuck or leaking.

• Transmission Parts Care: Inspect P0300020AA sheaves and Z04120900005AA crown sheaves monthly for wear, groove damage, or misalignment—lubricate with high-temperature, anti-wear lubricant every 40 working hours. Check P3200005AA bull gears and P300005AA gears for wear or broken teeth—replace if damaged. Inspect P2400300AA crown shafts for wear or bending—lubricate regularly and replace if faulty. Check P1101267AA liners and P1100660AA supporting rings for wear—replace if they fail to reduce friction.

• Steering Components Care: Inspect Z02030100008AA steering gear assemblies monthly for smooth movement, leaks, or damage—lubricate pivot points every 40 working hours. Check Z07080000003AA steering power assisting lines for leaks or damage—replace if faulty. Test the steering system regularly to ensure responsive operation—adjust alignment if necessary.

• Structural & Fastening Parts Care: Inspect P9941617AA front legs, P9840056AA reinforced edge beams, and Z05011200133AA bottom assemblies monthly for cracks, bending, or corrosion—clean surfaces to remove dust and mud, and touch up with anti-corrosion paint if needed. Tighten fasteners (4309300030 nuts, 4300506012 bolts) to the specified torque every 40 working hours. Replace 4313000016 spring washers and 4313200010 washers whenever fasteners are removed—they lose anti-loosening functionality after reuse. Check P2001405AA double tapered pins and P2000434AA pins for wear—replace if they fail to secure components.

• Auxiliary & Safety Parts Care: Inspect Z05020102001AA safety lines monthly for wear or fraying—replace if damaged. Check P9990081AA and 105700015 steel wires for wear—replace if broken. Adjust P1000227AA and P1000374AA adjusting shims as needed to ensure component alignment. Clean P1101688AA cushion sleeves monthly—replace if cracked or hardened. Ensure P6302570AA and P6300195AA nameplates are clear and secure—replace if missing or damaged.

• Timely Replacement of Worn Parts: Replace any part that shows wear, damage, or failure—especially hydraulic components (couplings, hoses, valves), transmission parts (sheaves, gears, shafts), steering components (steering gear, lines), and structural parts. Follow OEM replacement intervals for critical parts to keep equipment stable.

• Proper Storage of Spare Parts: Store all parts in a dry, well-ventilated area (10°C-30°C) away from direct sunlight, industrial chemicals, and oilfield mud. Keep rubber components (hoses, seals) in a cool, dry place to prevent hardening; store metal parts (sheaves, gears, shafts, fasteners) in anti-corrosion packaging; store precision parts (valves, couplings) in their original packaging to protect machined surfaces; keep small parts (pins, washers, shims) in labeled containers for easy access.

We supply the following spare parts:

On-Site Fault Maintenance Cases

Below are 3 real, short on-site fault stories—reflecting common problems equipment teams face—showing how our direct-fit spare parts fix critical issues quickly, minimize downtime, and get operations back on track, while meeting strict industry standards:

Case 1: Hydraulic Leak from Faulty 4700600247 Quick Coupling

An oilfield rig’s hydraulic system began experiencing significant fluid leaks, reducing system pressure and causing the hydraulic pump to work harder—threatening equipment damage and unplanned downtime. Inspection revealed the 4700600247 Hydraulic quick coupling 31.5 had a worn seal, leading to leaks at the connection point. Solution: We replaced the faulty coupling with our OEM-compatible 4700600247 part, cleaned the hydraulic system, and topped up the fluid. The leak was resolved in 45 minutes, restoring stable system pressure and allowing the rig to resume normal operations.

Case 2: Transmission Slippage from Worn P0300020AA Sheave

A construction machine’s transmission system began experiencing power loss and slippage, with reduced operational efficiency. Inspection found the P0300020AA Sheave had worn grooves, causing the belt to slip and fail to transmit power effectively. This not only reduced productivity but also threatened to damage other transmission components. Solution: We replaced the worn sheave with our direct-fit P0300020AA part, adjusted the belt tension, and lubricated the transmission system. The slippage was eliminated in 1.2 hours, restoring smooth power transmission and optimizing equipment efficiency.

Case 3: Steering Failure from Damaged Z02030100008AA Steering Gear Assembly

A heavy-duty oilfield vehicle’s steering system became unresponsive, making it difficult to maneuver and posing a serious safety risk to operators. Inspection revealed the Z02030100008AA Steering gear assembly had a damaged worm and gear mechanism, causing the steering to lock up intermittently. Solution: We replaced the faulty steering gear assembly with our OEM-compatible Z02030100008AA part, adjusted the steering alignment, and tested the system. The steering functionality was fully restored in 1.8 hours, eliminating the safety hazard and allowing the vehicle to return to service.

FAQ (Frequently Asked Questions)

Procurement Guidance

In industrial and oilfield operations, unplanned downtime, equipment damage, and safety hazards from faulty spare parts are expensive—often caused by low-quality, ill-fitting parts that can’t handle high pressure, extreme temperatures, or corrosive environments, or fail to meet strict industry standards. Our comprehensive portfolio of hydraulic, transmission, steering, structural, and fastening spare parts (including 4700600247 hydraulic quick couplings, 1101002016 hose assemblies, P0300020AA sheaves, and Z02030100008AA steering gear assemblies) is built to eliminate these risks, delivering OEM-level performance, durability, and perfect compatibility. Every part is made with premium materials, tested to withstand the harshest on-site conditions, and compliant with global industry standards—ensuring reliable operation, longer service life, and lower maintenance costs. Whether you need hydraulic components to prevent leaks, transmission parts to ensure smooth power transfer, steering components to maintain maneuverability, structural parts to support equipment frames, or fasteners to secure critical components, we offer a one-stop supply solution tailored to all your equipment needs. Our parts are designed to keep your machinery running at peak efficiency, minimizing downtime, protecting worker safety, and maximizing productivity—with clear technical guidance to help you verify compatibility and simplify procurement. Choose our precision-engineered spare parts for reliable, direct-fit replacements you can trust to keep your industrial and oilfield operations safe, continuous, and efficient.

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Emeil: [email protected]   whatsapp: +86 15275658619

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