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Cat 311 to 320 Series Excavator Final Drive

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Cat 311 to 320 Series Excavator Final Drive parts list
Image Fits Model Description Part # Price Product Details
Caterpillar Excavators: 315, 315L, 317, 317N Final Drive Kit (102-6433) See Details 315, 315L, 317, 317N Final Drive Kit (w/ Final Drive, Motor, and Sprocket) 102-6433
From $8,910.00
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Caterpillar Excavator 315B, 315B L Final Drive Kit -- 136-2798 (136-2798) See Details 315B, 315B L Final Drive Kit (w/ Motor & Sprocket) 136-2798
From $8,910.00
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Caterpillar Excavator 315B, 315B L Final Drive Kit (148-4570) See Details 315B, 315B L Final Drive Kit (w/ Motor & Sprocket) 148-4570
From $8,910.00
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Caterpillar Excavator 315B L Final Drive Kit -- 151-5108 (151-5108) See Details 315B L Final Drive Kit (w/ final drive, motor, and sprocket) 151-5108
From $8,910.00
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Caterpillar Excavator 315B L Final Drive Kit 185-8530 See Details 315B L Final Drive Kit (Includes final drive, motor, and sprocket) 185-8530
From $8,910.00
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Caterpillar Excavator 318C L Final Drive (199-4584) - Black See Details 318C L Final Drive (Gearbox Only) 199-4584
From $7,722.00
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Caterpillar Excavator 319D L, 320 Series Final Drive Gearbox See Details 319D L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D, 323D L Final Drive (Gearbox Only) 296-6299
From $7,722.00
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Caterpillar Excavator 319D L, 320D, 320D GC, 320D L, 323D, 323D L Final Drive Gearbox (353-0615) See Details 319D L, 320D, 320D GC, 320D L, 323D, 323D L Final Drive (Gearbox Only) 353-0615
From $7,722.00
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Caterpillar 320 Excavator Final Drive Gearbox (7Y1571) See Details 320 Final Drive 7Y1571
From $7,722.00
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Final drives and final drive kits for Caterpillar 311 through 320 series excavators, covering B, C, and D generation platforms across mid-size crawler excavator configurations.

Fits Models At A Glance

  • 311 Series: 311, 311C, 311D, 311D LRR
  • 312 Series: 312, 312B, 312B L, 312C, 312C L, 312D
  • 313 Series: 313B
  • 314 Series: 314C, 314D CR, 314D LCR, 314DL CR
  • 315 Series: 315, 315L, 315B, 315B L
  • 317 Series: 317, 317N
  • 318 Series: 318C L
  • 319 Series: 319C LN, 319D L
  • 320 Series: 320, 320C, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR
  • 321 / 323 Series: 321D LCR, 323D, 323D L

Key Notes

  • Application: Final drives and final drive kits for Caterpillar 311 through 320 series crawler excavators
  • Coverage: Includes individual final drive assemblies and complete final drive kits with motor and sprocket across B, C, and D generation platforms
  • Function: Provides track propulsion and drive reduction on Caterpillar mid-size excavator undercarriage systems

Why Choose Broken Tractor

  • ✅ Cat 311 through 320 series final drives stocked across all major generations
  • ✅ Individual assemblies and complete kits with motor and sprocket available
  • ✅ Covers B, C, and D series platform variants
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Product: Category: Cat 311 to 320 Series Excavator Final Drive Brand: Head Title: Cat 311 to 320 Series Excavator Final Drive | Broken Tractor