3802778 3539263 3534924 HX35W Engine Turbocharger For 6BT 6BTAA

Turbocharger is a forced induction system driven by the engine's exhaust gases. Its primary function is to compress more air into the engine’s cylinders. By increasing the intake air density, it allows more fuel to be burned efficiently, significantly boosting engine horsepower and torque without increasing engine displacement. This Turbocharger 3802778 3539263 3534924 HX35W is engineered for maximum durability and precise fitment in 6BT 6BTAA engines. Manufactured to meet or exceed OEM standards, it ensures optimal engine performance and a long service life under heavy-duty conditions.

Whether for full engine rebuilds or quick replacements, DDP Engine provides you with the most reliable parts at unbeatable wholesale prices.

Parameter Details
Product Name: Turbocharger
Part Number: 3802778 3539263 3534924 HX35W

Condition: Brand New / High-Quality OEM / Aftermarket
Warranty: 6 Months / 1 Year
Engine Model: 6BT 6BTAA engines

Application:
6BT (turbocharged) and 6BTAA (turbocharged with intercooler) are two variants of the 5.9L inline six-cylinder diesel engine. The main difference lies in whether or not it is equipped with an intercooler. Application configurations are as follows:

6BT (6BT5.9): Turbocharged but without intercooler, mostly used in early or basic power demand scenarios, such as light and medium-duty trucks, construction machinery (forklifts, bulldozers), stationary generator sets, marine auxiliary power, and agricultural machinery. Typical power range is approximately 85–118 kW (115–160 hp). 6BTAA (6BTAA5.9): Turbocharged with an intercooler, offering lower thermal load and higher efficiency. Commonly used in high-power or continuous heavy-duty applications, such as medium and heavy-duty trucks, excavators, loaders, high-power generator sets (120–151 kW), and special-purpose engineering vehicles (fire trucks, pump trucks), with a typical power range of approximately 110–151 kW (150–205 hp).

Both are non-electronically controlled mechanical pump engines (China II and below emission standards). 6BTAA, due to its intercooler increasing intake air density, is more suitable for configurations with higher requirements for continuous power, fuel economy, and emission stability; while 6BT is more commonly found in cost-sensitive or older platforms. Currently (by 2026), new models have largely been replaced by China IV/China VI electronically controlled engines (such as the ISF and QSB series), and both are mainly used for in-service equipment maintenance or the used/specialty market.

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