HK REAL STRENGTH TRADE LIMITED 2181986030@qq.com 86-134-3456-6685
Product Description: The 0R-8461 injector is a high-performance, OEM-standard fuel injection component exclusively designed for c-aterpillar 3116 series diesel engines, boasting core advantages of enhanced wear resistance, precise fuel atomization, strong anti-interference ability, and long service life. Manufactured in strict accordance with c-aterpillar’s original technical specific-ations and undergone 4-stage strict quality inspection (raw material inspection, semi-finished product testing, finished product calibration, pre-delivery full-performance test), it integrates upgraded electromagnetic control technology and precision grinding process, ensuring seamless compatibility with the c-aterpillar 3116 fuel supply system. The 0R-8461 features a high-density alloy body and enhanced sealing structure, capable of stable operation in extreme harsh working environments (high temperature ≤130℃, high pressure, heavy dust, high humidity, low temperature -40℃). Its upgraded spray technology and accurate injection timing achieve full fuel combustion, reducing fuel consumption by 10%-15% and lowering harmful emissions to meet EU environmental standards. With the same size, interface and mounting dimensions as the original part, it supports direct, tool-free replacement, greatly reducing maintenance time and downtime loss. It is widely applicable to various construction equipment, industrial generator sets and heavy-duty vehicles equipped with c-aterpillar 3116 engines, providing stable, efficient and reliable power support for long-term high-load operation.
| Basic Information | Specific-ations & Key Features |
| Product Name | c-aterpillar 3116 Diesel Engine Injector Assembly (Original Standard) |
| Model Number | 0R-8461 (OR8461) (Exclusive Fit for c-aterpillar 3116 Series) |
| Cross-Compatible Models | 0R-8461, 0R-3742, 0R-3580, 4P-2995, 0R-3389 (100% Compatible with c-aterpillar 3116 Engines) |
| Applicable Engines | Primary: c-aterpillar 3116 series diesel engines; Secondary: 3114, 3126 series (Plug-and-Play Compatibility, No Debugging Required) |
| Product Condition | Brand New Original / Original-Standard Remanufactured (100% Pre-Delivery Testing, Consistent with OEM Quality & Performance) |
| Control Type | Electromagnetic (ECU Electronic Control, Upgraded Version) Ultra-Precise, Fast Response, Strong Anti-Interference, Stable Signal Transmission |
| Fuel Compatibility | Diesel (National/Non-Standard, Low/High Sulfur, Biodiesel) Anti-Impurity, Anti-Coking, Anti-Corrosion, Multi-Fuel Adaptable |
| Net Weight | 0.59kg Lightweight, Easy to Install/Disassemble, Saves Maintenance Time & Labor Cost |
| Packaging Dimensions | 23.5cm × 13cm × 13cm High-Strength Shockproof/Waterproof Packaging, Anti-Damage During Shipment & Storage |
| Core Technical Parameters | Values & Competitive Advantages |
| Injection Opening Pressure | 26 ± 0.5 MPa Ultra-Precise Pressure Control, Optimized for c-aterpillar 3116’s Working Cycle, Better Fuel Atomization |
| Working Pressure Range | 58–155 MPa Wider Operating Range, Stable Performance Under Full/Idle/Extreme Loads, Strong Adaptability |
| Dynamic Response Time | ≤ 0.7 ms Ultra-Fast Response, Ensures Smooth Power Output & Stable Combustion of 3116 Engine |
| Single Injection Duration | ≤ 0.5 ms Precise Fuel Metering, Minimizes Waste & Incomplete Combustion, Reduces Fuel Consumption |
| Spray Pattern | Upgraded c-aterpillar S-Type Atomization (Multi-Hole) More Uniform Spray, Maximizes Combustion Efficiency, Lowers Emissions |
| Needle Valve Clearance | 0.4–1.5 μm Ultra-Precise Fit, Leak-Proof Sealing, Extends Service Life, Reduces Maintenance Frequency |
| Sealing Surface Roughness | Ra ≤ 0.025 μm High-Strength Sealing, Withstands High Pressure & Temperature, No Fuel Leakage |
| Key Component Hardness | HRC 66–70 Ultra-Wear-Resistant, Handles Long-Term High-Load Operation, Reduces Replacement Costs |
| Injection Cycle Life | ≥ 2,000,000 cycles Super Durable, Longer Service Life Than Ordinary Injectors, Improves Equipment Attendance Rate |
| Structural Components | Material & Manufacturing Process | Performance Benefits |
| Injector Body | High-Density Reinforced Alloy Steel; Integral Forging + Precision CNC Machining + Four-Stage Heat Treatment | Super Anti-Fatigue, Pressure/Corrosion-Resistant; Adapts to Extreme Harsh Operating Environments of c-aterpillar 3116 Engine |
| Needle Valve Pair | High-Purity Alloy Steel; Precision Grinding + Gapless Pairing + Nitriding Treatment + Titanium Coating | Ultra Uniform Atomization, Leak-Proof, Ultra Low Wear; Ensures 3116’s Power & Combustion Efficiency |
| Control Spring | High-Temp Resistant Alloy Spring; Dual-Spring Linkage Design + Anti-Fatigue/Deformation + High-Precision Calibration | Precise Opening Pressure Control, Fast Needle Valve Closure; Boosts Injection Accuracy & Operation Stability |
| Solenoid Valve | Upgraded High-Precision Anti-Interference Coil; Sealed Waterproof/Dustproof + High-Temp Coating + Anti-Oxidation Treatment | Ultra-Fast Response, Strong Anti-Interference, Stable in Complex Environments; Perfect Match for 3116 ECU System |
| Applicable Equipment | Typical Models (c-aterpillar 3116-Powered) |
| Excavators | c-aterpillar 320B, 322B, 325B, 330B Stable Performance for Heavy-Duty, Long-Hour Operation, Low Failure Rate |
| Wheel Loaders | c-aterpillar 928G, 938G, 950G High Efficiency for Heavy-Load Tasks, Reduces Fuel Consumption, Saves Costs |
| Motor Graders | c-aterpillar 120H, 140H, 160H Reliable Operation, Minimizes Maintenance Downtime, Improves Work Efficiency |
| Other Equipment | Industrial Generators, Heavy-Duty Trucks, Marine Power Units (3116/3126-Powered) Wide Adaptability, Stable Power Supply, Long Service Life |
| Core Product Advantages | Detailed Benefits (Customer-Centric) |
| c-aterpillar 3116 Exclusive Fit | OEM-matching dimensions and interface—direct replacement without modific-ation or debugging. Reduces maintenance time, boosts equipment uptime, and eliminates compatibility risks for 3116 engine users. |
| Upgraded Ultra-Durable Construction | Four-stage heat-treated high-density alloy body and titanium-coated needle valve pair deliver ≥2.0 million injection cycles. Super anti-fatigue, corrosion and wear resistance—lowers replacement costs and extends service life. |
| Precision Fuel Control & Atomization | Upgraded ECU-controlled solenoid valve (≤0.7ms response) and multi-hole S-type atomization reduce fuel consumption by 10%-15%. Complete combustion cuts emissions and improves 3116 engine performance and power output. |
| Extreme Environmental Adaptability | Enhanced sealing structure and waterproof/dustproof design handle high temps (≤130℃), low temps (-40℃), heavy dust, and humidity. Compatible with all diesel types—ideal for harsh construction and industrial sites. |
| Low Maintenance Cost & High Efficiency | Lightweight, tool-free installation; low failure rate; pre-tested for reliability. Minimizes labor costs, downtime, and total ownership expenses for equipment operators using c-aterpillar 3116 engines. |
| Strict OEM-Quality Assurance | Manufactured to c-aterpillar’s original standards, 4-stage quality testing, and 100% pre-delivery inspection. Matches OEM performance—reliable, long-lasting power support for 3116 engines. |
| Replacement Scenarios | Symptoms (c-aterpillar 3116 Engines) |
| Power Loss & Instability | Unsteady idle, weak acceleration, hard starting, black/white smoke, and significant power drop—unable to handle heavy loads, affecting work efficiency. |
| Increased Fuel Consumption | Fuel use up 10%+ under standard conditions; power output does not match fuel consumption—wasting resources and increasing equipment operation costs. |
| Mechanical Malfunctions | Cylinder misfire, abnormal engine noise, injector leakage, excessive oil return, or needle valve jamming—causing equipment shutdown and delaying construction progress. |
| Other Abnormalities | ECU error codes, engine jitter, inability to run at full load, increased emissions, or unstable operation—shortening the service life of 3116 engine components. |
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