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Camshaft (Only) for John Deere 646, 850B, 690A & more – AR100385

SKU:
AR100385
FitsModel:
850B, 6404T, 6466A, 6466T, 690A, 690B, 892DLC, 770A, 770AH, 770B, 770BH, 772A, 772AH, 772B, 772BH, 600, 644, 644D, 646, 646A, 690, 690C, 690CR, 693B, 693C, 740A, 762, 762A, 790, 790D, 792, 793D, 892D, 762B, 740, 653E, 4000, 4010, 4020, 4040, 4050
ListDescription:
Camshaft (Only)
Camshaft (Only) for John Deere 646, 850B, 690A & more – AR100385
Part # AR100385

Fits Models At A Glance:

  • John Deere Crawler Dozers:
    • 850B — 6.466T After Serial Number 253373, or 6.466A After Serial Number 233593, 6-Cylinder Engine
  • John Deere Excavators:
    • 690A, 690B, 690CR, 892DLC
    • 690C — 6.466T After Serial Number 253373, or 6.466A after Serial Number 233593
    • 690, 790, 792 (6-Cylinder); 790D — 6.466T After Serial Number 253373
  • John Deere Wheel Loaders:
    • 644A — Engine Serial Number 280001
    • 644C — 6.466T After Serial Number 253373, or 6.466A After Serial Number 233593, 6-Cylinder
    • 644 — Engine Serial Number 280001; 644D, 646A — 6.466D 6-Cylinder Engine
  • John Deere Compactors: 646
  • John Deere Motor Graders:
    • 770AH, 770BH, 772A, 772AH, 772B, 772BH
    • 770A, 770B — 6.466T After Serial Number 253373, or 6.466A After Serial Number 233593, 6-Cylinder Engine
  • John Deere Scrapers:
    • 762
    • 762A, 762B — 6.466T After Serial Number 253373, or 6.466A After Serial Number 233593, 6-Cylinder Engine
  • John Deere Skidders:
    • 740, 740A — 740A: Serial Number 233593 to 317858 with 6.466A 6-Cylinder Engine
  • John Deere Feller Bunchers: 653E, 693B, 693C, 793D
  • John Deere Industrial (Standard):
    • 600 — Serial Number 215000 to 335845, 6.404D 6-Cylinder Engine
  • John Deere Engines: 6466A, 6466T; 6404T — After Serial Number 215000
  • John Deere Tractors:
    • 4010, 4040, 4230, 4240, 4240S, 4320, 4350, 4430, 4455, 4520, 4620, 4630, 7020, 8430, 8640, 8650
    • 4000, 4020 — After Serial Number 201000, 6.404D 6-Cylinder Engine
    • 4050 — 6.466D After Serial Number 332686
    • 4250, 4450 — 6.466T After Serial Number 253373, or 6.466A After Serial Number 317859, 6-Cylinder Engine
    • 4440, 4640 — 6.466T and 6.466A Before Serial Number 233592 / 317859, 6-Cylinder Engine
    • 4650 — 6.466T After Serial Number 253373, or 6.466A After Serial Number 317859, 6-Cylinder Engine
    • 4840, 8440, 8450 — 6.466T Before Serial Number 253372, or 6.466A Before Serial Number 317858, 6-Cylinder Engine
    • 4850 — Serial Number 233593 to 317858, 6.466A 6-Cylinder Engine
    • 8430 — Model Year 1974–1981, 6.466T Before Serial Number 253372, or 6.466A

Key Notes:

  • Part Numbers: AR100385
  • Replaces: AR79610, AR71709, AR100384, R71529
  • Weight: 21.00 lbs (9.53 kg)
  • Note: Marked R42352, R43677, R57289, R71529, R71531, R78316, R77259, R59420, R61150 or R64086.
  • Note: Does not include the cam followers. See Associated items.
  • Replaces: AR79610, AR71709, AR100384
  • Application Note: 6.466T with After Serial Number 253373, 6.466A with After Serial Number 233593, 6-Cylinder Engine
  • Replacement Part for John Deere Equipment

Common Use Case or Symptoms: Use when the existing camshaft (only) is worn, damaged or failing. Match your model and any serial number or configuration note in the list above before ordering.

Why Choose Broken Tractor:

  • ✅Serial and Configuration Notes Listed Per Model– so you can confirm fitment from your own machine
  • ✅Covers 69 John Deere Machines– one part across the range
  • ✅Fast Shipping from a U.S.-Based Team– ready to ship from our U.S. warehouses
$406.00

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

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Product: Category: Brand: Head Title: Camshaft (Only) | Broken Tractor | AR100385