Confirm rim and valve
The catalogue references Multiple valve options, but the rim hole and valve position still require confirmation.
All products
Tractor inner tube
18.4-38 Inner Tube
Butyl Rubber / Natural RubberMultiple valve optionsB2B supply
This inner tube size can be produced in either butyl rubber or natural rubber, subject to final specification confirmation.
Request this size18.4-38INNER TUBE
Technical specification
Fitment data
ApplicationTractor
MaterialButyl Rubber / Natural Rubber
Valve (TRA)Multiple valve options
Valve GB/T3900-1997Available on request
Valve GB/T3900-2003Available on request
WeightSee technical catalogue
PackingAvailable on request
Flat section widthAvailable on request
Both butyl rubber and natural rubber are available for every listed size. Valve, weight and packing may vary by selected material and must be confirmed in the sales contract.
Product selection
About the 18.4-38 inner tube
This product record identifies a 18.4-38 tube in the tractor range. Treat the size as the first selection field, then match it to the complete tyre marking, rim diameter and intended equipment.
Online data is provided for sourcing and quotation preparation. Final compatibility is approved from the buyer's tyre, rim and valve information rather than from the nominal size alone.
Choose rubber material
Butyl and natural rubber options can be discussed. State the preferred material and any required tube weight or performance specification.
Define packing
Confirm units per carton or bag, labels, shipping marks and any private-label artwork.
Prepare the RFQ
Add quantity by size, destination country or port, target market and any tyre-flap requirement to the buying list.
Production control
Quality checks against the confirmed order
JABIL's published workflow covers raw-material inspection, process monitoring, finished-tube checks, packing verification and pre-shipment confirmation.
Review quality control evidence- Size and appearance inspection
- Air-tightness and valve checks
- Material and specification confirmation
- Packing, labels and quantity verification
Buyer questions
18.4-38 inner tube FAQ
Will the 18.4-38 inner tube fit my tyre?
Use the complete tyre marking, rim diameter and intended tractor application as the starting point. Final fitment, valve and rim compatibility must be confirmed before ordering.
Which valve is available for the 18.4-38 inner tube?
The current catalogue references Multiple valve options. Confirm the rim hole, valve position and required standard in the enquiry because valve options can vary by order specification.
Is this inner tube available in butyl and natural rubber?
Both butyl rubber and natural rubber can be discussed for the listed size. The selected material, tube weight and commercial specification are confirmed in the quotation and sales contract.
What information is needed for a quotation?
Send the complete size, required quantity, destination country or port, preferred material, valve requirement and JABIL or private-label packing details.
Request this size
Confirm the complete buying specification.
Send quantity, destination, material, valve and packing requirements for a useful quotation.