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07260-29920
Komatsu
07260-29920
Hello, Equipment Owners and Maintenance Chiefs! I am the supplier who specializes in solving problems like "burst hydraulic hoses spraying oil," "aging coolant hoses leaking," "blown-off fittings," and "air ingestion in hydraulic systems." Today, I’m recommending a "black rubber hose with reinforced texture that looks simple but acts as the 'high-pressure artery' sustaining your equipment's lifeblood flow"—the Professional Rubber Hose for Construction Machinery (Part No.: 07260-29920).
Anyone in mining or infrastructure knows that excavators and loaders operate under constant overload, with scorching engine bay temperatures and immense hydraulic system pressures. From the radiator to the hydraulic cylinders, every system relies on hoses that can endure high pressure and brutal conditions. Many cheap hoses on the market look similar in diameter but are made from recycled rubber bulked with fillers, lacking even a basic reinforcement layer, or using inferior braiding. Under hydraulic pressures reaching thousands of PSI, they quickly bulge, seep, or suddenly rupture. High-temperature oil spray poses fire risks and burn hazards to operators. Our Rubber Hose is specifically engineered for cooling systems and hydraulic lines on heavy-duty equipment like Komatsu excavators and loaders. It doesn’t just convey fluid; it withstands extreme pressure, tolerates temperature extremes, and bends without kinking. Choose us to install a "high-strength, pressure-resistant artery" in your equipment—ensuring coolant circulates freely and hydraulic oil delivers full power, keeping your machine’s "blood flow" smooth and performance strong in harsh, dusty, and high-temperature environments.
Triple-Layer Composite Structure: Balancing Rigidity & Flexibility:
A hose’s strength depends on its internal architecture; every layer matters.
Inner Layer: Constructed from high-quality oil-resistant rubber. This layer contacts hydraulic oil, coolant, and other media directly. It is highly "immune" to mineral oils and glycol-based coolants, resisting swelling, shrinkage, or contamination during long-term immersion. Its smooth inner bore minimizes flow resistance, ensuring consistent volume delivery.
Middle Layer: High-Strength Fiber Braid Reinforcement. This is the hose’s "skeletal framework." Precision-braided high-tensile synthetic fibers provide exceptional burst pressure and impulse resistance. Under the relentless pressure spikes of hydraulic systems, this layer contains the tube, preventing expansion and catastrophic rupture.
Outer Layer: Abrasion & Aging Resistant Cover. This is the hose’s "protective suit." Made from a specialized wear-resistant rubber compound, it resists scraping, gouging, and impact. In rocky, brush-filled mine sites, it withstands external mechanical abuse. Additives provide UV and ozone protection, preventing cracking or degradation even after years of sun and weather exposure.
Integrally Vulcanized: Zero Leaks, Maximum Integrity:
The bond between layers dictates service life.
Process: Manufactured via precision extrusion and integral vulcanization. The inner tube, reinforcement, and cover are fused into a single, homogenous structure under high heat and pressure—eliminating voids, blisters, or delamination.
Advantage: This process ensures the layers cannot shift or separate, even under extreme bending. When paired with standard fittings (flanges, elbows), it creates a dead-seal, eliminating leaks caused by layer separation or loose connections.
Wide Temperature Range: Extreme Condition Ready:
Mine sites experience brutal temperature swings; hoses must adapt.
Performance: Offers exceptional high-low temperature resistance. Near hot engines (exceeding 120°C), it won’t become tacky or soften. In freezing winters or high-altitude sites, it stays flexible without hardening or cracking. This ensures the hose remains pliable and functional from Siberian permafrost to desert heat, never restricting flow.
Flexible & Easy to Install: Conforms to Tight Spaces:
Engine bays are cramped; routing flexibility is crucial.
Design: Engineered to balance rigidity with flexibility. While maintaining high burst pressure, it offers excellent bend radius performance. It routes naturally around obstructions and follows equipment movement without kinking or restricting flow.
Value: During overhauls or routine service, this flexibility drastically reduces installation time and complexity, getting your machine back to work faster.
Parameter | Specification |
|---|---|
Product Name | High-Pressure Rubber Hose |
Part Number | 07260-29920 |
Core Structure | Oil-Resistant Inner Tube + Fiber Braid Reinforcement + Abrasion-Resistant Cover |
Manufacturing Process | Precision Extrusion + Integral Vulcanization |
Key Properties | High Pressure Resistance, Burst Proof, Flexible, Wide Temp Range, Corrosion Resistant, Tight Sealing |
Compatible Equipment | Komatsu Excavators, Loaders, and Other Heavy Machinery |
Engine Cooling Systems: Connecting the radiator, engine, and heater cores to circulate high-temperature coolant and maintain optimal engine temps.
Hydraulic Circuitry: Used in low-pressure return lines or pilot lines between pumps, valves, and cylinders for hydraulic oil transfer.
Fuel Delivery: Routing diesel from tank to engine.
Equipment Overhaul: Replacing old hoses showing bulges, cracks, leaks, cover wear, or stiffness to eliminate safety hazards and restore system performance.
Exact Match: Just provide Part Number 07260-29920 or your equipment model , and we ship immediately. No need to measure inner/outer diameters—hassle-free.
Rugged, Burst & Leak Proof: We guarantee our hoses feature a genuine triple-layer composite structure with high strength and superior sealing. After installation, they will not bulge or leak under pressure. If it bursts or fails within days, we replace it.
Value for Money: We don't sell the cheapest single-ply hoses, which seem affordable but fail quickly—risking thousands in downtime or damage from a single blowout. We sell the safest. Do the math: one quality hose ensures safe operation—an unbeatable investment.
A Quick Tip for the Mechanics:
Brothers, installing this hose requires technique and safety awareness.
Clean Thoroughly. Before installation, meticulously clean the fittings and hose ends, removing all metal shavings, grit, and old seal remnants. Any debris entering the system can contaminate fluids and damage precision components.
Check Routing. Ensure the hose follows its natural bend without twisting. Never bend a hose tighter than its minimum bend radius, or it will kink and restrict flow. Keep hoses away from hot exhaust pipes or sharp sheet metal edges; use heat shields or guards if necessary.
Install Correctly.
Alignment: Align the hose ends squarely with the fittings. Start threading by hand to ensure proper engagement without cross-threading.
Torque: Use the correct wrench to tighten. Avoid over-tightening, which can strip threads or crush the hose. For clamped connections, position the clamp correctly and tighten to spec.
Allow Slack: At moving locations, leave adequate length and bend allowance so the hose can flex with equipment motion without being stretched taut.
Pressure Test & Inspect. After installation, fill with the appropriate medium. Start the equipment and gradually bring it to operating pressure. Inspect the entire hose length for leaks, bulges, abnormal deformation, or loose fittings. Confirm all is well before returning the machine to service. Work safely and go home in one piece!
FEED BEAM
ROCK DRILL PARTS
AIR COMPRESSOR
PUMP
DTH DRILLING TOOLS
TOP HAMMER
PDC DRILL BITS
EXPLORATION (CORE DRILLING TOOLS)
ROTARY DRILLING TOOLS
RAISE DRILLING TOOLS
GEOTECHNICAL ENGINEERING TECHNOLOGY
HAND TOOLS
Customized Packaging Solutions:
All products are protected with heavy-duty, shock-resistant packaging (including wooden crates, steel frames, and anti-corrosion wrapping) to ensure safe arrival even under long-distance and harsh transport conditions.
Flexible & Global Logistics:
We support multiple shipping methods, including sea freight, air freight, and rail transport, and offer flexible terms such as FOB, CIF, and DAP to meet your delivery schedule and cost requirements.
Fast Lead Times & Order Support:
With a large inventory of standard parts and efficient production scheduling, we can respond quickly to urgent orders while maintaining consistent quality.
After-Sales & Technical Support:
Our dedicated team provides professional technical consultation, installation guidance, and after-sales service to help you maximize equipment performance and minimize downtime.
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| 9W4493 | blade |
| 2459951 | track roller |
| 1926445 | hydraulic cylinder |
| 001021-004 | Bushing |
| 001022-001 | Shaft |
| 001110-008 | Seal oil |
| 007947-054 | KIT SEAL |
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| 022893-001 | SWITCH, TEMPERATURE |
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| Q:What is your terms of packing? |
| A:Generally, we pack our goods in neutral white boxes and brown cartons. If you have legaly registered patent ,we can pack the goods inyour branded boxes after getting your authorization letters. |
| Q:What is your terms of payment? |
| A: T/T 30% as deposit, and 70% before delivery. We will show you the photos of the products and packages before you pay the balance. |
Q: What is your terms of delivery? |
| A: EXW, FOB, CFR, CIF, DDU, FCA. |
| Q:How about your delivery time? |
| A: Generally. it wlltake 5 to 12 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. |
Q:Can you guarantee that the goods are original? |
| A:Yes, we fully guarantee that the goods are original and you can inspect them carefully when they arrive at your address. |
| Q:Do you test all your goods before delivery? |
| A:Yes, we have 100% test before delivery. |
| Q:How do you make our business long-term and good relationship? |
1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from. |




