Product
Who We Are
I. Core Functions and Application Values
Strong Deer R98062 Intake valve, as a key component of the John Deere engine combustion system, directly affects the engine's power output and fuel economy by accurately controlling the timing and flow of air into the cylinder. Its optimized valve head curve design can reduce airflow resistance, make the mixture formation more uniform, and improve the combustion efficiency by 5%-8%, which is especially suitable for the continuous operation of tractors, harvesters and other agricultural machinery in the field, as well as the high load conditions of mining loaders.
Key technical advantages
Material and process innovation
The valve stem is forged from chromium-molybdenum-vanadium alloy, with a hardness of HRC48-52 after quenching and tempering, which can withstand instantaneous high temperatures of up to 1200℃ in the combustion chamber. The hard chrome plating process (thickness 0.02-0.05mm) on the stem surface significantly improves wear resistance, reduces friction loss with the valve guide, and extends service life to more than 8000 hours.
Precision sealing design
Valve head taper and valve seat ring adopts 30° sealing angle, processed by CNC grinding technology, with flatness error ≤0.002mm, ensuring no leakage under 30bar burst pressure. This design effectively prevents exhaust gas backflow, maintains a stable engine compression ratio, and reduces oil consumption by more than 20%.
Fatigue resistance
has passed 100,000 times of high-frequency fatigue test (frequency 50Hz, load ±2000N), and there is no crack in the transition area between the valve stem and the valve head, which can be adapted to the working conditions of frequent fluctuations in engine speed, such as the rapid start and stop of generator sets.
Applicable Scenarios and Adapted Equipment
R98062 valves are widely used in the following fields:
Agricultural Machinery: adapted to John Deere 6R series tractors (such as 6R235), S670 combine harvesters, supporting high-intensity operations such as deep-pine cultivation, grain harvesting, etc.;
Construction Machinery: compatible with 310L excavators, 850K bulldozers, coping with the harsh environments of mines, infrastructure, etc.;
Electric Power Industry: adapted to Power industry: compatible with PowerTech PSS 6.8L generator set to ensure the stable operation of the backup power system.
Installation and Maintenance Suggestions
Installation specification: clean the valve guide hole before installation, and use a special reamer to correct the inner diameter to the standard size (Φ9.500-9.525mm);
apply high-temperature lubricating grease (e.g. molybdenum disulphide grease) on the valve stem, and insert it vertically into the valve seat ring to ensure that there is no sticking in the free movement;
install the spring by using a valve spring compression tool, and fasten the locking plate by 27Nm torque to avoid over-tightening and causing spring fatigue. Maintenance points
Daily inspection: Regularly observe the valve head for any carbon deposits or signs of erosion, and clean the combustion chamber in time;
In-depth maintenance: It is recommended to conduct a valve sealing test every two replacement cycles (about 4000 hours), and use helium mass spectrometry to detect leakage of ≤5×10-⁸ mbar/L/s;
Extreme environment response: When working under dusty environments, it is recommended to use a strong deer to protect the valves. Extreme environment response: When working in dusty environment, it can be used together with the original air filter of John Deere (e.g. D68479) to minimize the particles entering into the valve gap.
V. Quality Assurance and Suggestions for Purchase
John Deere strictly implements ISO 9001:2015 quality management system, and each batch of products has passed:
Hardness test: to ensure that the hardness of the valve stem meets the standard of HRC48-52;
Metallographic analysis: to verify the uniformity of the alloy structure;
Sealability test: no leakage under 1bar pressure for 30 minutes.
Users can confirm the suitable model through the official John Deere parts inquiry system, and give priority to the products with original anti-counterfeiting labels to avoid sealing degradation or early wear caused by non-genuine products.
Cost-Benefit Analysis
The selection of R98062 valves can achieve:
Efficiency Improvement: Optimization of the combustion process reduces fuel consumption by 3%-5%, which saves about $1500 per year in fuel costs (based on 2000 hours of operation per year);
Reduced Maintenance Costs: The long-life design reduces the frequency of replacements, and in combination with preventive maintenance, it can reduce the annual maintenance costs by 25%;
Contact us at
If you need to get the list of suitable models, technical parameter table or bulk purchase quotation, please feel free to contact us at
Ningbo QiuLinen Trade Co.
We provide more engine assemblies and accessories of different brands and models.
If you are interested, you can add my contact information directly: +86 15888032469
or email me: allen@perkins- rx.com Note the model or model number. rx.com
Note the model number or serial number for faster processing and favorable price
We provide global logistics and distribution services, original genuine products, support for online orders, to ensure that within 72 hours to respond to customer needs.
