| 1 | Engine Oil Filter | Routine engine lubrication service | 20–45 | Approximately 250 operating hours | 80–180 | 1–5 days from stock 2–4 weeks production | 3–6 months or 500 hours | High | Thread size, gasket diameter, bypass-valve specification, and filtration rating |
| 2 | Fuel Filter | Fuel-system contamination and water control | 25–60 | Approximately 500 operating hours | 50–150 | 1–5 days from stock 2–4 weeks production | 3–6 months or 500 hours | High | Water-separator design, micron rating, seal quality, and correct inlet/outlet arrangement |
| 3 | Hydraulic Return Filter | Hydraulic oil cleanliness protection | 45–110 | Approximately 1,000 operating hours | 45–110 | 2–7 days from stock 3–5 weeks production | 6 months or 1,000 hours | High to Medium | Filter height, sealing surface, bypass setting, pressure rating, and filtration efficiency |
| 4 | Engine Air Filter Set | Engine intake air protection | 80–220 | Approximately 1,000 operating hours | 80–220 | 3–10 days from stock 3–6 weeks production | 6 months or 1,000 hours | High to Medium | Primary and safety element dimensions, sealing lip, pleat quality, and dust-holding capacity |
| 5 | Bucket Tooth and Adaptor | Excavation and material penetration | 18–65 per tooth 35–120 per adaptor | Approximately 300–1,000 hours | 250–900 | 5–14 days from stock 4–8 weeks production | 3 months against manufacturing defects | High | Tooth profile, pin-and-retainer system, adapter geometry, hardness, and bucket width |
| 6 | Track Shoe | Crawler undercarriage ground contact | 75–180 per shoe | Approximately 2,500–4,000 hours | 1,000–2,500 | 2–4 weeks from stock 6–10 weeks production | 6 months or 1,000 hours | Medium | Pitch, width, bolt-hole pattern, grouser height, material hardness, and chain compatibility |
| 7 | Bottom Track Roller | Undercarriage load support and track guidance | 180–420 per roller | Approximately 4,000–6,000 hours | 350–900 | 1–3 weeks from stock 5–8 weeks production | 6–12 months or 1,500 hours | Medium to High | Flange diameter, shell width, shaft diameter, bolt pattern, seal design, and oil retention |
| 8 | Top Carrier Roller | Upper track support and alignment | 120–280 per roller | Approximately 3,000–5,000 hours | 250–750 | 1–3 weeks from stock 5–8 weeks production | 6–12 months or 1,500 hours | Medium | Roller width, mounting-hole spacing, shaft size, seal condition, and rotation smoothness |
| 9 | Sprocket Segment | Track-chain drive engagement | 220–550 per segment | Approximately 3,000–5,000 hours | 450–1,100 | 2–4 weeks from stock 6–10 weeks production | 6–12 months or 1,500 hours | Medium | Tooth pitch, bolt pattern, segment count, hardness, and matching track-chain pitch |
| 10 | Travel Motor and Final Drive Assembly | Crawler propulsion and planetary reduction | 2,200–5,200 per assembly | Approximately 6,000–10,000 hours | 350–900 | 4–8 weeks from stock 8–14 weeks production | 12 months or 2,000 hours | Medium to Low | Hydraulic port layout, displacement, gear ratio, mounting dimensions, rotation direction, and pressure rating |