TD04HL Turbocharger Replacement for CAT 3044C & Mitsubishi S4S Verified Fitment

Verified Fitment Across Serial Variants — Every TD04HL turbocharger we ship is matched against your specific engine serial range, oil port orientation, and flange pattern before dispatch, eliminating the trial-fitment guesswork that plagues Latin American mine sites.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Variants

A single TD04HL Turbocharger for CAT 3044C Mitsubishi S4S fitment designation covers divergent oil port positions, flange geometries, and compressor trims across engine serial breaks.

I spent years handling warranty claims from mine sites in Peru and Chile where a TD04HL turbocharger arrived with the correct part number stamped on the dataplate, yet the oil inlet faced ninety degrees off from where the supply line needed to connect. The S4S engine family alone has serial breaks where Mitsubishi revised the oil feed routing, meaning two machines carrying identical model badges need physically different turbo orientations. Cross-reference tables circulating among aftermarket traders frequently collapse these variants into one line item [NEED_CITE: turbocharger variant identification practices in aftermarket distribution]. When the flange bolts up but the oil feed kinks against the block, the result is either a forced installation that leaks under boost pressure or a return shipment that takes the machine out of service for additional weeks.

Serial Range and Variant Mapping for Skid Steer Platforms

The CAT 236B through 297C range spans multiple production generations, each with distinct turbocharger mounting configurations. Early 236B and 242B3 units typically use the TD04HL-13G variant, while later 246C, 257B3, and 262C machines shifted to the TD04HL-13G-8.5 with a revised compressor trim. The TD04HL Turbocharger for CAT 3044C Mitsubishi S4S fitment must therefore be confirmed not just by machine model but by engine serial number and production date code. We cross-check your serial against our variant database rather than relying solely on the part number printed on a worn dataplate, which may itself reflect a field substitution from a previous repair.

Port Clocking and Flange Interface Verification

Oil inlet and return port positions on the TD04HL family vary across engine applications, and a mismatch of even one clocking position forces the installer to either bend the oil feed line or fabricate an adapter bracket. Before confirming any order, we verify the inlet and return flange bolt hole spacing, gasket surface dimensions, and port orientation against photographs of your removed unit. For Mitsubishi S4S applications specifically, the turbine housing outlet flange differs in bolt pattern from the CAT 3044C arrangement, making cross-platform interchange impossible despite sharing the same base turbocharger designation. [NEED_CITE: turbocharger flange interface standards for compact diesel engines]

Specification Analysis for High-Temperature Continuous Duty

The 718 Inconel alloy compressor wheel resists thermal fatigue under the sustained exhaust gas temperatures typical of quarry loading and repetitive bucket cycles, where turbine inlet temperatures cycle rapidly between idle and full-load states. Shaft runout held to ≤0.02 mm ensures that the floating bearing system maintains adequate oil film thickness at the 145,000 RPM operating ceiling, preventing the synchronous vibration that destroys seal rings prematurely. Viton seals throughout the center housing withstand the elevated oil sump temperatures found in the CAT 3044C and C3.4 engine families, where coolant routing places the turbocharger bearing housing in a high-ambient-heat zone. The ductile iron turbine housing with ceramic-coated internal passages reduces heat transfer to the center cartridge, extending bearing and seal service life under continuous high-load operation.

The Hidden Cost of Forced Fitment

When an installer forces a turbocharger with misaligned oil ports into place, the immediate result may appear functional, but the kinked or stressed oil feed line restricts flow to the center bearing. Within operating hours that would normally represent a fraction of expected service life, the bearing starves, the shaft develops excessive play, and the compressor wheel contacts the housing. [NEED_CITE: turbocharger bearing failure modes related to oil supply restriction] The machine returns to the workshop with a catastrophic turbo failure that looks like a quality defect but traces back to an interface mismatch that should have been caught before installation. In remote mine sites across Latin America, this scenario adds freight costs, additional downtime, and eroded trust in aftermarket supply.

Why Procurement Starts with Fitment Confirmation Here

Our production lines and qualified sourcing partners operate under unified QC and warranty terms, so whether your TD04HL comes from our own facility or a certified partner, the fitment verification process remains identical. We stock across eight equipment part categories, meaning your turbo order can consolidate with gaskets, oil filters, and seal kits into one shipment. Single-piece orders ship without minimum quantity barriers, critical for emergency replacements. Our technical team confirms compatibility from a machine model, a photograph of the nameplate, or an image of the removed unit's dataplate and port orientation. Cross-reference verification covers superseded and alternate numbers across all nine OEM reference positions listed for this turbocharger family. Sample units ship for physical trial fitment before you commit to a bulk order.

Documentation & Verification

• Commercial invoice listing each TD04HL variant and corresponding engine serial range
• Part compatibility sheet marking all nine OEM numbers as reference only
• Dimensional inspection record covering port spacing and flange bolt pattern
• Warranty terms specifying coverage period and manufacturing defect scope
• Packing photographs showing protective crating and port cap sealing
• HS code classification and export customs documentation for destination country

Fitment Check Before Installation

• Compare oil inlet and return port clocking against photographs of the removed unit before unboxing
• Verify flange bolt hole spacing matches the engine manifold pattern using a calibrated gauge
• Confirm gasket surface is free of transit damage and matches the OEM gasket profile
• Check compressor wheel rotation by hand for smooth bearing feel before connecting oil lines
• If any interface dimension deviates, halt installation and contact us with photographs for resolution

Requesting a Fitment-Verified Quote

Send us your machine model plate, engine serial number, and clear photographs of the removed turbocharger showing the dataplate, oil port positions, and flange faces. We will return a confirmed TD04HL variant match with cross-reference validation and, if needed, arrange a single sample unit for your workshop to trial-fit before you place a fleet-level order.

Frequently Asked Questions

Q: How do I confirm which TD04HL variant fits my specific machine and engine serial number? A: Provide your machine model plate and engine serial number. We cross-reference these against our variant database, checking oil port orientation, flange pattern, and compressor trim specific to your production batch. If the serial falls near a known break point, we may request a photograph of the removed unit to confirm which variant was fitted at the factory or during a prior field replacement.

Q: The number on my old turbo is not in the cross-reference list — can you still supply a replacement? A: Many superseded and discontinued numbers do not appear in standard tables but have valid current equivalents. Send us a photograph of the full dataplate and the oil port layout. We trace the number through Mitsubishi and CAT interchange records to identify the correct current variant, confirming fitment dimensions before we quote.

Q: What is the difference between TD04HL-13G and TD04HL-13G-8.5, and what happens if the wrong one is fitted? A: The two variants differ in compressor trim and turbine housing geometry, affecting boost pressure delivery and airflow mapping for specific engine calibrations. Installing the incorrect variant typically produces under-boost conditions or excessive exhaust backpressure, triggering derate codes on electronically governed engines and reducing power output noticeably on mechanical fuel systems.

Q: My machine nameplate is unreadable — how can the correct turbo be identified? A: Send clear photographs of the removed turbocharger from multiple angles, including the dataplate area, oil port positions, and both flange faces. We measure port clocking and bolt patterns against known configurations to narrow the fitment to a specific variant, then confirm with you before shipping.

Q: Can I order a single sample unit to test fit before committing to a bulk purchase? A: Yes. We ship individual sample units with the same warranty and QC documentation as production orders. Fit the sample on the target machine, confirm that all interfaces align without modification, then release the remaining quantity. This eliminates the risk of receiving a full batch that requires return or modification on site.