Komatsu 465636-0206 turbocharger replacement for PC100 excavator S4D95L 2.9L. Mechanical wastegate. Dynamic seals prevent leaks. Bulk orders welcome
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Heavy-duty TA3103 Superback turbine charger for Komatsu S4D95L and S4D95 engines.
Features a reinforced backplate and K18 Inconel turbine wheel to withstand high thrust loads on small utility excavators.
OEM: 465636-0206 | Cross-reference: 6205-81-8110, 6207-81-8110, 465636-5206S. Fits Komatsu PC100-5 and PC120-5 excavators.
Bulk orders welcome.
The Komatsu S4D95L engine is a highly reliable 3.26L inline-4 diesel powerplant (3,260 cc) utilized widely across small utility excavators, compact wheel loaders, and light bulldozers. At the structural core of this 4-cylinder system is the premium Komatsu S4D95L turbocharger (OEM 465636-0206, cross-reference 6205-81-8110, 6207-81-8110, 465636-5206S), which features an advanced TA3103 Superback turbocharger charger system. Engineered specifically for high-torque utility operations, the TA3103 Superback integrates a reinforced compressor backplate and high-temp K18 Inconel turbine wheel to resist thermal deformation under high-pressure gas recirculation. This robust assembly is widely trusted across global infrastructure projects, serving as a dependable PC100 excavator turbo and PC120 turbocharger upgrade. For operators, common failure modes include oil bypass and compressor wheel damage due to gradual journal bearing wear turbo. Our replacement cartridge assemblies prevent these issues by utilizing 360-degree copper thrust bearings and step-gap piston seals. Every 465636-0206 turbo replacement is Vibration Sorting Rig (VSR) balanced at speeds up to 150,000 RPM, establishing a plug-and-play fitment that distributes heat evenly across the engine block.
| Parameter | Value |
|---|---|
| Engine Code | Komatsu S4D95L / S4D95 (3.26L) |
| Configuration | Inline-4 Cylinders, 8 Valves OHV |
| Turbocharger Model | TA3103 Superback (Garrett) |
| Turbine Wheel Metallurgy | K18 Inconel Alloy (750°C+ rated) |
| Bearing Housing Design | Oil Cooled Journal Bearing |
| Oil Seal Design | Step-Gap Dynamic Seals |
| Balancing Standard | VSR Balanced (Up to 150,000 RPM) |
| Primary OEM Number | 465636-0206 |
| Interchange References | 465636-5206S, 6205-81-8110, 6207-81-8110 |
Our Komatsu turbine and turbo catalog covers the full medium and heavy-duty inline-6 and multi-cylinder families, from the S6D95 and SAA6D102 up to the high-output S6D140 and SAA6D170 lines. Explore our complete range of Komatsu turbocharger assemblies and components by visiting our Komatsu Brand Hub or browse other specialized brands in our main Komatsu Turbo Category.
465636-0206, Construction Machinery Engine Spares, PC100 Turbocharger, S4D95L, TA3103 Superback
| Model | Primary Part Number | Cross Ref Part Numbers | Compatible Engine Model | Compatible Vehicle Model |
|---|---|---|---|---|
| TA3103 | 465636-14 | 465636-5207S, 6207-81-8130, 465636-0207 | S6D95L | PC150-3 WA150 |
| TD04-27W | 4900562 | 4900435, 49377-01600 | 4D102 | !!ALARM_MISSING_MACHINE!! |
| S400 | 6156-81-8150 | 319460, 319448, 6156-818150 | SAA6D125E-3 | WA480 |
| S400 | 6156-81-8170 | 6156-81-8130, 318714, 323949 | SAA6D125E-3K | RS400-7 Industrial Fan |
| T04B59 | 465044-0261 | 6137-82-8200, 465044-5261S, 6137828600 | S6D105 | PC200-3 WA250 WA300 |
| T04B59 | 465044-0251 | 6207-81-8210, 465044-0051, 6207818210 | S6D95L | PC220-5 |
| TA3137 | 700836-0001 | 6207-81-8331, 6209-81-8311, 6207819330 | S6D95L | PC200-6 |
| KTR110-2 | 6505-65-5030 | 6505-61-5030, 6505655030, 6505655091 | SAA6D140E-3N-8 | PC750-6 PC800-7 |
| KTR110-3 | 6505-52-5510 | 6505525510, 6505525510R | S6D170-1 | GENSET S6D170 |
| KTR110 | 6505-55-5090 | 6505555090, R6505555090, 6505-51-7830 | SAA6D140E-2A | HD325-6 Dump Truck |
| H1C | 3522778 | 3525648, 3522777, 3802289, J919121 | 6BTA-590 | Industrial Tractor |
| HX35 | 3595157 | 3596668, 4038475, 6738-81-8090, 6738828220 | 6BTAA | PC200 WA200-250 |
| HX35 | 4037469 | 4955155, 6754-82-8010, 2835695 | SAA6D107E-1 | PC200-8 |
| HX35W | 6754-81-8240 | 4043679, 4955479, 6754818240 | SAA6D107E | GD555-5 WA380-8 |
| HX35 | 3539697 | 6735-81-8201, 3537132, 3539698 | S6D102 | PC220 CD60R |
| HX82 | 3594190 | 5323959, 3592520, 4025026 | QST30 | Generator |
| T04E15 | 466670-0013 | 466670-5013S, 6222-83-8171 | SA6D108 | PC300-6 |
| TO4E08 | 466670-0001 | 6222-83-8170, 6222-81-8210 | S6D95L | PC300-5EXX |
| TD04L | 49377-01700 | 6271-81-8100, 49377-01740, 49377-01770 | SAA4D95LE-5 | PC120-8 PC138US-8 |
| TA3103 | 465636-0206 | 6205-82-8100, 465636-5216S, 6205818120 | S4D95L | PC100 PC120 PC100-5 |
| KTR90 | 6506-21-5010 | 6506215910, 6506-215-910, 6156-81-8150 | KTR90332E | PC400-8 PC450-8 |
| HX25-1W | 4038790 | 3599355, 4089714, 4033351H | SAA4D95LE | PC100/200/128US |
| D155 | 6502-13-2003 | 6502132003, 319319 | S6D155-4-R | D150A EG300 |
| D355 | 6502-12-9004 | 6502-12-9005, 319032, 6502129003 | 4A-S6D155 | D355 Excavator |
| HX30-2W | 3592015 | 3802906, 3537033, 6732-81-8900 | 4BT | Truck Elite Industrial |
| HX30-3 | 6732-81-8100 | 6732-81-8101, 3802749, 3539803 | 4BT-110 | PC100-6 |
| KTR130-3 | 6502-51-5040 | 6502-51-5030, 6240611105 | SAA6D170-E6 | D375-A6 WA600-6 |
| KTR110 | 6505-71-5520 | 6505-71-5040, 6505-68-5540 | SAA6D140E-5H | !!ALARM_MISSING_MACHINE!! |
| TA4532 | 6151-83-8110 | 465105-5010S, 465105-0010 | S6D125 | PC400 PC400-5C |
| TO4B59 | 465044-0225 | 6138-81-8101, 465044-0025 | S6D105 | D66S-1 Offway |
| HX35W | 6738-81-8190 | 6738-81-8191 | S6D102 | PC220-7 |
| TBP417 | 466535-2 | 6222-81-8310, 447450-0082 | SA6D108-1G | WA420-3 |
| HX40W | 4038421 | 4038422, 3538856, 6743-81-8040 | S6D114 | PC300-7 |
| TO4E08 | 466704-0213 | 5222-81-8210, 6151-81-8500 | S6D125 | D85 D65EX-12E |
| S500 | 319179 | 6240-81-8600, 318349, 6240-81-8500 | SAA6D170E | H0465 WA700 |
| KTR110A-1K | 6505116210 | 6505-11-6210, 6505-11-5106 | S6D155 | D155 Excavator |
| HX83 | 4046244 | 4955653, 3798613, 6241-82-8200 | QSK35 | EX1200-6 |
| HX40 | 4038424 | 4038429, 4089965, 3575169 | 6CTA | D61 Bulldozer |
| TO4B59 | 465044-5257S | 465044-0255, 6138-82-8400, 465044-0039 | SA6D110-1A | WA350-1 WA400 EG150-3 |
| HX35W | 4038597 | 4955156, 4042667, 4038209 | QSB Tier-3 | PC200-8 Grader |
Komatsu turbochargers fit heavy machinery including Komatsu PC100-3 Excavator, Komatsu PC100-5 Excavator, Komatsu PC120-5 Excavator, and Komatsu WA100-1 Loader.
Contact us for complete application coverage.
| Make | Machine / Vehicle Model | Year Range | Engine Code | Turbo OEM |
|---|---|---|---|---|
| Komatsu | PC100-3 / PC100-5 / PC100-5L Excavator (PC100 excavator turbo) | 1989–1997 | S4D95L | 465636-0206 |
| Komatsu | PC120-3 / PC120-5 Excavator | 1990–1997 | S4D95L | 465636-0206 |
| Komatsu | WA100-1 Wheel Loader | 1991–1998 | S4D95L | 465636-0206 |
| Komatsu | D20P-6 / D21P-6 Bulldozer (Komatsu small excavator turbo) | 1989–1996 | S4D95L | 465636-0206 |
Symptom: High-pitched whining or whistling sounds from the engine bay, oil accumulation in the compressor housing, and slow boost pressure buildup under WA100 loader operation.
Diagnosis: Oil contamination or low oil pressure degrades the lubricating film on the journal bearing. This causes direct metal-to-metal contact, leading to rapid journal bearing wear, excessive shaft play, and eventual housing contact. (journal bearing wear turbo)
Solution: Replace the turbocharger with a precision-balanced unit, use high-grade filters, and replace the turbo oil supply line during installation.
Symptom: Premature compressor wheel rubbing, seal failures, and massive blue exhaust smoke during high-load grading shifts. (TA3103 Superback replacement)
Diagnosis: Standard backplate designs can flex under heavy exhaust gas backpressure, allowing the turbine shaft to migrate axially, causing the compressor wheel to rub against its casing.
Solution: Our upgraded TA3103 Superback replacement features a solid, reinforced backplate casting that resists high thrust loads and prevents axial shaft migration under extreme engine speeds.
Symptom: Squealing noises, compressor seal leak, or turbine shaft seizure within the first few minutes of initial engine startup.
Diagnosis: Starting a dry turbocharger causes immediate bearing wear before oil pressure from the gear-driven pump reaches the bearing housing. (465636-0206 turbo replacement)
Solution: Fill the oil feed port with clean engine oil and manually spin the compressor wheel several times. Replace the old feed and return lines, torque all fasteners, and crank the engine without starting for 15 seconds to prime the oil circuit.
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For Turbocharger: Cartridge, CHRA, repair kits available. Part number required for final confirmation.
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