Turbocharger 3027436 302-7436 2850369 285-0369 296-7631 Cat Caterpillar Bulldozer

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Product Description: Cat Turbocharger 302‑7436 / 285‑0369 / 296‑7631 for Caterpillar Bulldozers

The turbocharger assemblies identified by Caterpillar part numbers 302‑7436, 285‑0369 and 296‑7631 are genuine Cat turbochargers designed for high‑output diesel engines used in Caterpillar D‑series track‑type tractors (bulldozers), as well as other heavy‑duty earthmoving equipment. As a key component of the forced induction system, the turbocharger uses exhaust gas energy to spin a turbine wheel, which drives a compressor wheel that forces more air into the engine‘s cylinders. This increases volumetric efficiency, allowing more fuel to be burned per cycle, which results in significantly higher power output, improved torque response and better fuel economy compared to a naturally aspirated engine of the same displacement.

Turbocharger Replacement Options — Genuine Cat vs. Remanufactured

Option	Part Number	Description
Genuine Cat new turbocharger	204‑5476	new basic turbocharger group for D11R with stronger compressor wheel
Genuine Cat Reman turbocharger	10R‑0432	remanufactured turbocharger for D11R, Cat Reman 12‑month warranty
Remanufactured cartridge group	10R‑0433	remanufactured cartridge for 3508B / D11R applications

1. Primary Turbocharger Assemblies for Cat Bulldozers

Part Number	Part Name / Description	Engine / Machine Application
302‑7436 (3027436)	Basic Turbocharger Group — water‑cooled, centre‑mounted	Cat C18 engine / D11T Track‑Type Tractor; also referenced for C27 / C32 engines
285‑0369 (2850369)	Basic Turbocharger Group — with improved oil seals and thrust bearing	Cat 3516 / 3500‑series engines; compatible with D10 / D11 applications
296‑7631 (296‑7631)	Turbocharger Group with ceramic turbine wheel	Cat 3500‑series engines / D10, D11, D11R

2. Related Turbocharger Assemblies & Cross‑Reference Numbers

Part Number	Part Name / Description	Engine / Machine Application
361‑9711	Turbocharger Assembly	Cat C18 engine / D11T
362‑0838	Turbocharger Assembly	Cat C18 engine / D11T
204‑5476	Basic Turbocharger Group — stronger compressor wheel and cover	3508B engine / D11R (S/N: 7PZ579, AAF188)
10R‑0432	Remanufactured Turbocharger	3508B engine / D11R
10R‑0433	Remanufactured Cartridge Group	3508B engine / D11R
0R‑6053	Remanufactured Turbocharger	Cat on‑highway truck engines (1992 bulletin reference)

3. Turbocharger Component Parts (Bearing Housing, Thrust Bearing, Repair Kits)

Part Number	Part Name / Description
7E‑0694	Bearing Housing (turbocharger cartridge)
7E‑0693	Thrust Bearing (with tapered lands)
7E‑0692	Repair Kit (turbocharger rebuild kit)

4. Related Turbocharger Assemblies for D10 / D11 Crawler Tractors

Part Number	Part Name / Description
174‑7087	Basic Turbocharger Group (former)
169‑4801	Turbocharger Group (complete assembly)
2N‑2766	Locknut (turbocharger to exhaust manifold)
168‑7800	Locknut (former)

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