6211‑72‑1121 INJECTION PUMP is an inline high‑precision fuel supply component built for Komatsu SA6D140E heavy‑duty diesel engines. Manufactured with high‑rigidity cast‑aluminum housing and hardened alloy‑steel internal parts, this pump delivers accurate fuel metering and stable high‑pressure injection. It maintains reliable engine speed and power output, improves fuel efficiency and adapts to harsh mining and construction‑site operating conditions.
Precision‑cast aluminum housing, high‑grade alloy‑steel plungers and camshaft, hardened precision‑machined pump elements with corrosion‑resistant coating
Robust precision‑cast aluminum housing fitted with hardened alloy‑steel plungers, delivery valves and camshaft components
Delivers accurate fuel metering and consistent high‑pressure fuel supply for each cylinder to optimize combustion performance
Pre‑calibrated injection timing and built‑in mechanical governor maintain stable engine speed under variable load conditions
Outstanding wear‑resistant and anti‑corrosion properties, suitable for long‑duration continuous operation in dusty mining and construction environments
Improves fuel economy, reduces black exhaust smoke and extends overall engine service life
Matches original mounting dimensions completely for direct bolt‑on replacement during engine overhaul and on‑site field repair
Strict pressure and comprehensive performance calibration testing completed before shipment
Compatible Machine This injection pump is compatible with:
Komatsu SA6D140E Diesel Engine
If you’re unsure whether this injection pump matches your machine, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.
Applications The 6211‑72‑1121 injection pump is a critical fuel‑system component for Komatsu SA6D140E engine, widely used in heavy‑duty working scenarios:
Open‑pit mining large bulldozers such as Komatsu D155A‑5 and D155AX‑3
Quarry heavy‑load material handling and bulk earth‑moving projects
Large‑scale infrastructure construction sites
Long‑cycle high‑load continuous operation of mining‑grade heavy machinery
Complete engine overhaul and worn fuel‑system component replacement
Precise fuel injection guarantees stable engine power output, lowers mechanical failure rate and minimizes unplanned equipment downtime.
Why Choose YLCM? YLCM specializes in supplying genuine Komatsu, OEM and premium aftermarket spare parts for construction and mining machinery worldwide. We provide:
Genuine Komatsu spare parts including diesel injection pump assemblies
High‑quality aftermarket replacement components with strict pre‑shipment inspection
Competitive factory‑direct pricing without middleman markup
Fast worldwide delivery options
Standard professional export‑grade packaging
Pre‑sales part‑number verification and after‑sales technical support
Extensive export experience serving customers in Russia, Southeast Asia, the Middle East, Africa, and South America
In addition to injection pumps, we also supply hydraulic parts, undercarriage parts, engine components, electrical parts, filters, and a full range of Komatsu replacement parts.
Packaging & Shipping Every 6211‑72‑1121 Injection Pump is professionally packed to ensure safe international transportation. Packaging options include:
Anti‑rust treatment & moisture‑proof protection
Shock‑absorbing inner padding to safeguard precision internal pump elements
Export‑standard solid wooden crate
Sea freight
Railway transportation
Multimodal logistics solutions
Each injection pump is securely fixed inside the crate to avoid vibration impact and damage to precision internal components during long‑distance transit, ensuring arrival in excellent condition.
Request a Quote Looking for the 6211‑72‑1121 Injection Pump for Komatsu SA6D140E diesel engine? Contact YLCM today to receive:
Latest quotation
Delivery lead time
Packing details
Shipping solution
Technical support
OEM part verification
Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.
Frequently Asked Questions
Q: Is this a genuine Komatsu part? A: We can supply both genuine Komatsu original and high‑quality aftermarket versions for 6211‑72‑1121, to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
Q: How do I confirm this part is correct for my machine? A: To ensure perfect compatibility, please provide your engine serial number (E/S), machine serial number (S/N), or the original part number to our team. We will verify the match for you promptly.
Q: What is the warranty on this product? A: This product comes with a standard 6‑month warranty against manufacturing defects.
Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote, based on your destination and shipping method preference.
