Kubota V3307-Compatible Turbo TD04L4 Turbocharger – Model-Matched

Verified Cross-Reference — Every superseded Kubota V3307 turbo number mapped to the correct TD04L4 variant before dispatch.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Variants Across V3307 Builds

The TD04L4 turbocharger for Kubota V3307 KX080-4S cross reference requires variant-level verification, not just part number matching.

Kubota has superseded and split turbocharger part numbers across different V3307 engine generations. A single base number may correspond to several physical configurations with different oil port orientations, wastegate positions, or compressor wheel specifications. Buyers who order based on a copied cross-reference table without confirming their specific engine serial often receive a unit that bolts to the manifold but fails to connect oil lines or align the wastegate actuator [NEED_CITE: turbocharger variant identification for diesel engine service]. The result is a machine sitting idle while waiting for the correct variant, or worse — a forced installation that causes early bearing failure from misaligned oil feed.

Confirming Engine Build Before Selecting the Turbo Variant

The Kubota V3307 engine family includes multiple build configurations that require different turbocharger models. The V3307-DI-TE3-Q and V3307-DI-T-E3B (Stage3B/Tier 4) variants use distinct TD04L4 configurations. Providing your machine model and engine serial number allows precise identification of which turbo model fits your specific build, eliminating guesswork when the nameplate is worn or painted over.

Interface Verification That Prevents Installation Failures

Beyond matching the part number, physical interfaces must align with your existing turbocharger. The manifold flange bolt pattern, oil inlet and outlet port positions, and wastegate actuator orientation vary between TD04L4 and TD04L4-09TK3-5.0 variants [NEED_CITE: turbocharger oil port alignment specifications]. We check these dimensions against your machine's removed unit or photograph before confirming fitment. A sample unit is available for physical trial fitting before you commit to fleet-quantity purchases.

Reading the Specifications That Actually Matter

The turbo model designation TD04L4 indicates the frame size and compressor family designed for the V3307 displacement range. The suffix variations such as -09TK3-5.0 specify the exact turbine wheel trim, compressor trim, and wastegate spring pressure calibrated for particular emission standards. Selecting the wrong trim combination produces inadequate boost pressure at operating RPM or excessive exhaust backpressure that elevates cylinder temperatures. The Stage3B/Tier 4 engines demand precise boost delivery to maintain combustion parameters within emission limits. Oil journal bearing clearances in this frame size require confirmed oil supply pressure from the engine lubrication system before first startup [NEED_CITE: turbocharger bearing lubrication requirements for diesel applications].

The Hidden Cost of Installing the Wrong Variant

A turbocharger that physically bolts on but has incorrect oil port alignment creates restricted oil flow to the center bearing cartridge. This causes bearing wear within operating hours rather than years, producing shaft play that damages the compressor wheel and potentially sends debris into the intake manifold. Forced fitment of misaligned oil lines also introduces stress points that crack under vibration and thermal cycling. The repair cost then escalates from a turbocharger replacement to engine disassembly for contamination cleanup.

Why Buyers Source This TD04L4 Turbocharger Here

Our facility produces selected component lines directly and sources remaining inventory from ISO-certified manufacturing partners, all under unified quality control and warranty terms. The verified cross-reference sheet consolidates superseded numbers including 1J773-17013, 49177-03242, and related variants, reducing ordering errors from copied tables. Technical staff confirm fitment from machine model, serial number, or nameplate photograph — no requirement for a legible part number on the old unit. One-piece minimum order means emergency single-unit purchases are not blocked by quantity requirements. Guangzhou warehouse stock enables fast dispatch on common V3307 turbocharger configurations. Sample supply allows physical fitment confirmation on your machine before bulk commitment.

Documentation & Verification

• Commercial invoice and packing list with turbo model and variant designation
• Cross-reference sheet mapping superseded numbers to correct TD04L4 variant (reference only)
• Dimensional inspection record confirming flange pattern and oil port spacing
• Warranty terms covering manufacturing defects for 3–12 months
• Packing photographs showing protective packaging before dispatch
• HS code and customs documentation support for international shipment

Fitment Check Before Installation

• Compare manifold flange bolt pattern against removed turbocharger before removing protective packaging
• Verify oil inlet and outlet port positions match existing oil line routing without forcing connections
• Confirm wastegate actuator orientation and linkage alignment with existing mounting bracket
• Check compressor outlet and turbine inlet diameters against existing hoses and exhaust connections
• Rotate turbine shaft by hand to confirm free movement without binding or contact noise
• If any interface does not align, stop installation and contact technical support with photographs

Request Fitment Confirmation for Your Machine

Provide your Kubota machine model, engine serial number, or photograph of the existing turbocharger nameplate. Our technical team will verify which TD04L4 variant fits your specific V3307 build and confirm oil port orientation matches your installation. For fleet orders across mixed KX080-4S, M6060HDC, or SSV75 units, request a cross-reference sheet showing which superseded numbers map to each turbo model.

Frequently Asked Questions

Q: How do I confirm this turbocharger fits my specific Kubota machine when the nameplate is unreadable?

A: Provide your machine model such as KX080-4S or SSV75 along with the engine serial number from the engine block stamping. Our technical team cross-references this against V3307 build records to identify which TD04L4 variant matches your specific engine configuration, including oil port orientation and wastegate position.

Q: The old part number on my turbo is different from 1J773-17013 — is it still the correct replacement?

A: Kubota has superseded multiple turbocharger numbers across V3307 engine generations. Numbers such as 49177-03242, 1J770-17010, and 1J773-17010 may all reference compatible TD04L4 configurations. Request our verified cross-reference sheet that maps superseded and alternate numbers to the correct current variant for your engine serial range.

Q: Why are there so many OEM reference numbers listed for what appears to be the same turbo?

A: The V3307 engine family spans multiple emission standards and machine applications across excavators, tractors, and skid steer loaders. Each configuration may require specific turbine trim, compressor trim, or wastegate calibration, generating distinct part numbers for what shares the same TD04L4 base frame. Physical interface differences also create separate numbers.

Q: I only have the machine model (e.g. KX080-4S) and no part number — can you still identify the right turbo?

A: Yes. Machine model combined with engine serial number or production year range allows identification of the correct V3307 build variant. We can also work from a photograph of the existing turbocharger showing oil port positions and flange configuration, even when the nameplate is completely illegible.

Q: Can I get a sample unit to verify fitment before placing a larger order?

A: Sample units are available for physical trial installation on your machine before committing to fleet-quantity purchases. This allows verification of oil port alignment, flange bolt pattern, and wastegate linkage orientation on your specific V3307 engine build before ordering multiple units for standardization across your equipment fleet.