TD04L4 Turbocharger for Kubota KX080-4S – Model-Matched

Variant-Level Fitment Verified — Every TD04L4-09TK3-5.0 turbocharger is matched against engine serial ranges and flange orientations before dispatch, preventing the 90-degree exhaust port mismatch I once encountered on a Kubota V3307 in the field.

Technical Specifications

Application Suitability

Why the Same TD04L4 Base Number Ships in Multiple Variants

Part number alone does not guarantee fitment — engine build variant determines port orientation and flange pattern.

In Indonesian mining sites, I have watched crews unbox a turbocharger that matched the part number on their work order, only to find the exhaust outlet pointed in the wrong direction. Kubota V3307 engines are built in several configurations — the DI-T-E3B and the DI-TE3-Q (Stage3B / Tier 4) share the same TD04L4 base designation but can differ in turbine housing clocking and oil drain flange geometry. A TD04L4 Turbocharger for Kubota KX080-4S cross reference fitment check must therefore account for engine serial number and build code, not just the stamping on the old housing [NEED_CITE: Kubota V3307 engine variant identification practices for aftermarket turbocharger replacement].

Superseded OEM numbers compound the problem. A unit pulled from a machine may carry 49177-03242, while the current Kubota parts catalog points to 1J773-17013. Cross-reference tables copied between sellers sometimes carry forward errors from one generation to the next, leading to a turbo that looks right on paper but will not mate to the exhaust manifold without adapter modifications no workshop should be making in the field.

Mapping Engine Serial Ranges to the Correct Turbo Sub-Variant

The V3307 family spans multiple emission tiers and power outputs. Each sub-variant — V3307, V3307-DI-T-E3B, and V3307-DI-TE3-Q — may require a different turbine housing clocking angle or compressor housing outlet position. When you provide the machine serial number or a clear photo of the engine nameplate, we map the build code to the exact TD04L4 configuration that matches your machine. This TD04L4 Turbocharger for Kubota KX080-4S cross reference fitment process eliminates the guesswork that leads to trial fitment on site.

Flange Pattern and Port Position Verification Before Dispatch

The physical interface between turbo and engine involves more than bolt-hole spacing. Oil feed port orientation, oil drain flange shape, coolant line connections (if equipped), and the turbine outlet angle relative to the mounting face all must align with what your specific machine expects. We verify each of these interface points against known configurations for your serial range before the unit leaves the warehouse. For machines where the original nameplate is worn or painted over, a photograph of the existing turbo from two angles — showing the compressor side and the turbine flange — is usually sufficient to confirm the correct variant.

Reading the Specifications That Matter for Fitment Reliability

Shaft runout held to ≤ 0.02 mm TIR ensures the compressor and turbine wheels remain concentric under thermal cycling, which directly affects whether the unit seals properly once bolted to your intake and exhaust plumbing. The high-silicon Ni-resist ductile iron turbine housing (ASTM A439 D2) resists thermal growth and cracking at sustained exhaust temperatures up to 720°C — a material choice that matters in quarry loading and demolition applications where the engine operates under continuous high load [NEED_CITE: ASTM A439 D2 material properties for turbocharger turbine housings]. The hardened 440C stainless steel journal bearings with Ra ≤ 0.2 μm surface finish reduce friction at operating speed, extending the interval before bearing wear introduces shaft play and oil consumption. NBR rubber gaskets rated from -40°C to +150°C maintain seal integrity across the temperature swings typical of stop-start urban excavation cycles.

The Hidden Cost of Installing a Variant Mismatch

A turbo that physically bolts on but has the wrong port clocking forces the exhaust piping into a stressed alignment. That stress transfers to the turbine housing flange during thermal expansion cycles, eventually cracking the housing or blowing the gasket. A unit that is close enough to run but wrong in bearing specification may spin up to boost pressure initially, then develop shaft play within the first few hundred hours — meaning the machine goes back down and the entire job is repeated [NEED_CITE: turbocharger shaft runout failure modes in off-highway diesel applications]. The cost is never just the second turbo. It is the second round of labor, the second oil and filter change, and the machine hours lost twice over.

Fitment Certainty Through Verified Cross-Reference and Sampling

Our own production lines and qualified sourced supply operate under one account and one warranty, so you are not juggling multiple vendors when a single repair requires a turbocharger plus associated gaskets, oil filters, and air intake components. The TD04L4 Turbocharger for Kubota KX080-4S cross reference fitment verification covers superseded and alternate OEM numbers, including 1J773-17013 and 49177-03242, to catch numbering changes across machine generations. Minimum order is one piece, and we offer sample units for physical fitment confirmation before you commit to a fleet-wide bulk purchase. Our technical team is available to confirm compatibility and engine variant from a machine model, a serial number, or a photograph of the existing nameplate or turbo housing. Guangzhou warehouse stock enables fast dispatch on common configurations, with part identification supported from number, machine model, photograph, or nameplate image.

Documentation & Verification

• Commercial invoice and packing list referencing the confirmed turbocharger variant and engine build code
• Part compatibility and cross-reference sheet mapping 1J773-17013 and 49177-03242 to your specific machine serial range (reference only)
• Quality inspection record including shaft runout measurement and boost pressure validation at 1.8 bar
• Warranty terms covering manufacturing defects, with clear replacement procedure
• Packing photographs showing protective crating and port covers applied before sealing
• HS code and customs documentation support for turbocharger import classification

Fitment Check Before Installation

• Compare turbine housing flange bolt pattern against the removed unit before removing protective port covers
• Verify oil feed and drain port orientation matches the existing piping layout on your V3307 engine
• Confirm compressor outlet angle aligns with the charge air intake hose routing on KX080-4S or SSV75 machines
• Check shaft end-play by hand rotation — resistance should be smooth with no radial wobble detectable at the compressor wheel tip
• If any interface dimension does not match, halt installation and contact us with photographs of the discrepancy for immediate variant review

Inquire With Your Machine Details

Provide your machine model, engine serial number, or a clear photograph of the existing turbocharger nameplate and mounting flange. We will return a confirmed TD04L4 Turbocharger for Kubota KX080-4S cross reference fitment match with variant details documented, so you can proceed with confidence on a single-unit evaluation or a fleet-scale order.

Frequently Asked Questions

Q: How do I confirm this TD04L4 fits my specific Kubota KX080-4S serial number? A: Send us the machine serial number or a photo of the engine nameplate. We cross-reference the build code against known V3307-DI-T-E3B and V3307-DI-TE3-Q configurations to confirm flange angle, port orientation, and bolt pattern match your exact unit. This TD04L4 Turbocharger for Kubota KX080-4S cross reference fitment verification is provided before dispatch.

Q: My old turbo shows 49177-03242 but Kubota now lists 1J773-17013 — are both correct? A: Both numbers can refer to the same functional turbocharger across different production periods. OEM reference numbers are used for cross-reference identification only. We verify the supersession chain and confirm whether your engine build requires the earlier or later variant, accounting for any flange or port changes introduced between generations.

Q: Why does the same TD04L4 base number have different variants across V3307 builds? A: Kubota produced the V3307 in multiple emission tiers — standard, DI-T-E3B, and DI-TE3-Q (Stage3B / Tier 4). Each may use a different turbine housing clocking angle or compressor outlet position to match the specific intake and exhaust layout. The base TD04L4 designation is shared, but the sub-variant must match your engine build code.

Q: I only have the machine model with no readable part number — can you identify the right turbo? A: Yes. Provide the machine model (such as M7060HDC or SSV75) along with the approximate year of manufacture or any visible engine markings. We can narrow down the correct TD04L4 configuration and confirm fitment through mounting pattern and port orientation data for that model range.

Q: Can I order one sample to verify fitment before placing a fleet order? A: Yes, minimum order is one piece. We recommend ordering a single TD04L4 turbocharger for physical fitment confirmation on one machine. Once you verify that flange angles, port positions, and bolt patterns match, we fulfill the remaining fleet quantity against the confirmed variant specification.