CAT 3406E Parts Manual

About CAT 3406E Parts Manual

CAT 3406E is one of Caterpillar's most popular excavators. This parts manual covers 2444 part numbers across 8 systems — engine, hydraulic, cooling, electrical, undercarriage and more. Each part lists its number, name and quantity per assembly, directly from official CAT parts book data.

Need a price for any 3406E part? Send the part number and our team returns genuine / reman / OEM options within 24 hours.

Popular Parts

• 4P-4661 — LOCK-VALVE
• 4P-4661 — LOCK-VALVE
• 2A-4429 — LOCK-RETAINER
• 2A-4429 — LOCK-RETAINER
• 2P-3203 — BOLT-WASHER HEAD (3/8-16X1.25-IN)
• 5M-2894 — WASHER-HARD (10.2X18.5X2.5-MM THK)
• 5H-1504 — WASHER-HARD (20X33.5X5-MM THK)
• 5H-1504 — WASHER-HARD (20X33.5X5-MM THK)