Place of Origin:
China
Brand Name:
Mitsubishi
Model Number:
49U77-02560
The TD04M4T turbocharger assembly is supplied under two catalogue spellings — 49U77-02560 and 49477-02560 — which describe the same article. It serves Mitsubishi industrial and off-highway diesel applications across the 49477-02500 to 49477-02530 family block, with the five-figure tail identifying the specific build calibration rather than the frame size.
| Product Name | Turbocharger Assembly |
|---|---|
| Turbo Model | TD04M4T |
| Number As Stamped | 49U77-02560 |
| Equivalent Spelling | 49477-02560 — the same article under the digit form |
| Family Block | 49477-02500 through 49477-02530 |
| Actuator Numbers | 49477-19910 and 49477-19911 at 24 volts |
| Centre Housing | 49477-20410, oil cooled |
| Duty | Industrial and off-highway diesel |
| Cross Number | 6275-81-8110 |
| Freight | Foam cradle, ports capped, actuator bracket protected |
| Two Spellings, One Article | The letter and the digit occupy the same slot in this catalogue, and distributors print both forms for a single charger, so a quotation written one way against an invoice written the other is not a mismatch. |
|---|---|
| The Tail Decides | Four calibrations share the block, and the five-figure tail records the build rather than the frame size, which is why two units look identical side by side and behave nothing alike. |
| Verified Neighbours | The 02510 unit carries 4309282 and 5282545 and is quoted against the 3.3 and 4.5 litre industrial engines at P173 and P179 ratings, while 02530 is the number listed for the small excavator fitment. |
| Actuator Pair | 49477-19910 and 49477-19911 are the 24 volt modules, and plenty of stock arrives as a bare rotating assembly without either. |
| Centre Housing | 49477-20410 marks the oil-cooled bearing housing shared across the block, and it is the part that tells a rebuild from a rebox. |
| Same Prefix, Wrong World | 49477-02016 and 49477-02072 are petrol passenger car units, so a prefix-only search returns them long before anything industrial surfaces. |
| Small Excavator Fitment | The four litre engine listed at the 02530 tail sits far below the industrial ratings above, and a charger swapped between the two runs off its map. |
| Caution — Read The Tag | The final figures must come off the tag or the packing label, because a unit one step away bolts straight on and then delivers a different calibration. |
| Caution — Copy Quality | Copies usually fail at the actuator mount and the wastegate bush, so the first symptom is boost drift rather than a seizure. |
| Caution — Oil Supply | An oil-cooled housing depends on a clean feed, and a blocked screen at the union ends a new unit inside a shift. |
| Related Components | Actuator, cartridge, gasket kit, oil feed line, oil return pipe, air inlet hose, exhaust studs. |
Yes. The letter and the digit sit in one position in this catalogue, and distributors publish both forms for the same article, so either spelling finds the unit.
Because the tail figure changes the build, and because some offers are a rotating assembly while others include the actuator and the housing. A figure quoted for a bare cartridge is not comparable with a complete assembly.
The tag on the old unit, or the packing label if it survived. A photograph of both the plate and the actuator socket settles the question faster than any catalogue lookup.
4309282 and 5282545, at the 02510 tail.
The machine maker number for the same family.
Only when it is written into the order.
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