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Caterpillar 0R5378 Turbocharger Assembly

Caterpillar 0R5378 Turbocharger Assembly

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Turbo ModelGarrett T1224
Part TypeTurbocharger Assembly
Engine ApplicationCaterpillar 3306, 1673C, D333C
Machine ApplicationD6C Tractor, 627/627B/637 Scrapers
Weight18.4 kg
Length348 mm
Width328 mm
Height379 mm
Package Dimensions34.8 × 32.8 × 37.9 cm

Manufacturer No.

  • 0R5378
  • 0R-5378
  • 407640-0009
  • 407640-5009S
  • T1224

OEM Part No.

  • 0R5378
  • 8S8039
  • 8S8198
  • 9L5345
  • 8S1918
  • 9L4449
  • 9L4651

Engine Part No.

  • Caterpillar 3306
  • Caterpillar 1673C
  • Caterpillar D333C

Interchange No.

  • 170-025-0146
  • 172491
  • 1W9615
  • 4N9544
  • 407640-0001
  • 407640-0002
  • 407640-0004
  • 407640-9009

Fitment Vehicles

  • Caterpillar D6C
  • Caterpillar 627
  • Caterpillar 627B
  • Caterpillar 637
  • Caterpillar 120
  • Caterpillar 12F
  • Caterpillar 140
  • Caterpillar D5
  • Caterpillar D6
The Caterpillar 0R5378 turbocharger assembly (Garrett T1224) is engineered for Caterpillar 3306 and 1673C diesel engines. It provides forced induction for track-type tractors including D6C and motor scrapers 627, 627B, and 637. The unit features a wastegated turbine housing and compressor wheel optimized for high-altitude and heavy-load operating conditions. Designed to OEM specifications for reliable boost control and durability in construction and mining applications. Cross-references include Caterpillar OEM numbers 8S8039, 8S8198, 9L5345, 8S1918, 9L4449, and 9L4651. Manufacturer part numbers include Garrett 407640-0009 and 407640-5009S. Weight approximately 18.4 kg. Dimensions 348 x 328 x 379 mm.

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