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Nov 05, 2026
An Excavator Wear Part reorder plan helps purchasing teams keep critical machines working without tying up too much cash in excess stock. Buyers often need to balance uncertain consumption, supplier lead times, part compatibility, quality risks, storage limits, and the cost of machine downtime. This guide turns those challenges into a practical process. Zhonghai Jiuchuan supplies excavator wear parts, and its product image is shown below.
High-turnover parts can stop a machine when they are missing, but ordering too much increases carrying costs and may leave money tied up in slow-moving or obsolete inventory. Set a service goal for each part group, such as keeping critical machines supplied through normal replenishment delays, then use that goal to guide stock levels.
Usage can change with hours worked, ground conditions, attachment type, operator practices, and the number of machines in service. Delivery time can also vary because of production schedules, transport, customs, or seasonal demand. Record actual ranges rather than planning only from an ideal estimate.
A part that looks similar may not fit a particular machine or attachment. Before adding an item to a reorder plan, confirm the part number, machine model and serial range, dimensions, material or grade where relevant, and any required fitment details. Check the approved supplier and inspection requirements as well as the price.
Start with parts that are both frequently consumed and operationally important. Examples may include bucket teeth, adapters, cutting edges, side cutters, pins, and locks, depending on the fleet and application. Verify each item's part number and fitment against the machine or attachment records. Separate interchangeable items from parts that only fit a specific model or serial range.
Review the issue history for duplicate codes, unit-of-measure differences, returns, one-time projects, and emergency purchases that were not entered correctly. Reconcile system stock with a physical count. Mark stock as unusable if it is damaged, unverified, reserved for a job, or incompatible with the current fleet. Use usable stock, not the headline inventory balance, in the calculation.
Calculate average demand over a period that represents current operations. For a monthly history, add the quantities issued in the selected months and divide by the number of months. Convert the result to average daily demand if the lead time is measured in days. Review peak months separately and note what caused them, such as a new project, harsher ground, more operating hours, or a fleet change. Do not treat a temporary spike as permanent demand without evidence.
For each completed purchase, calculate lead time from the date the order was accepted to the date usable stock was received. Review the average and the longest or upper-range lead times. Include production, transport, customs, receiving inspection, and any internal approval delay that affects when the item is actually available. Use a realistic planning lead time, not only the supplier's best-case quotation.
Assign higher protection to parts whose absence can stop critical equipment or create costly emergency work. Set a lower target for parts that are easy to substitute or obtain quickly. Establish a safety-stock quantity using demand variability, lead-time variability, and the agreed service target. If there is not enough data for a statistical model, start with a documented buffer based on observed peak consumption and supplier delays, then refine it as records improve.
Use a consistent formula for every item. Reorder point equals average daily usage multiplied by replenishment lead time in days, plus safety stock. Stock position equals usable on-hand stock plus confirmed incoming quantity minus allocations and backorders. Create a replenishment alert when stock position is at or below the reorder point. Check minimum order quantities, pack sizes, and budget constraints before releasing a purchase order.
Example: if a part averages 2 units of use per day, the planning lead time is 10 days, and safety stock is 8 units, the reorder point is 28 units. If usable stock is 15 units, 10 units are confirmed incoming, and 3 units are allocated, the stock position is 22 units. Since 22 is below the reorder point of 28, the item needs review for replenishment.
Check the proposed order against current demand, supplier availability, budget, and the approved fitment list. Record the quantity, supplier, expected receipt date, and reason for any decision to order more or less than the suggested amount. Share expected delivery dates with maintenance and operations teams, especially when stock is close to the minimum. Update the plan when the order is received and inspected.
For a stable item with dependable data, use this formula:
Trigger a review when stock position is at or below the reorder point. A reorder point is a trigger for action, not automatically the order quantity. Calculate the order quantity separately using the target stock level, expected demand, order cycle, pack size, minimum order quantity, budget, and storage capacity.
Use more frequent reviews for parts with irregular use, high unit cost, long lead time, or severe stockout consequences. If daily usage and lead time vary significantly, consider a method that uses demand and lead-time variability rather than a fixed buffer. Record the assumptions and have purchasing or inventory management approve changes so different buyers do not apply inconsistent rules.
Assign an owner to review reorder alerts and a backup for absences. Review fast-moving and critical parts at least weekly, or more often if usage is very high or supply is uncertain. A scheduled review should compare stock position, open orders, recent issues, upcoming maintenance, and forecast machine hours.
Record whether deliveries arrive on time and in the correct quantity, and whether parts pass fitment and quality checks. If an item is late, damaged, or incorrect, update the expected availability and reassess the risk of a stockout. Use the performance history in supplier discussions and future lead-time assumptions.
An average can hide seasonal peaks or a recent fleet expansion. Compare the average with monthly demand, peak periods, and known project schedules. Update the plan when operating hours, ground conditions, machine population, or attachment use changes materially.
Damaged, reserved, uninspected, or incompatible stock cannot reliably meet demand. Reconcile physical quantities and calculate stock position from usable stock only. Review allocations and backorders before deciding that an item is safe to defer.
A quoted lead time may exclude production delays, transport, customs, or internal receiving. Compare the quote with actual order-to-availability history. Add a documented buffer when the delivery record shows meaningful variation.
A low unit price can be outweighed by excess inventory, storage costs, deterioration, obsolescence, or cash constraints. Compare total replenishment cost and stock risk, and confirm that a larger order fits expected consumption and the approved stocking policy.
Similar appearance does not prove interchangeability. Confirm part references and fitment before ordering, and inspect received parts against the purchase order and quality requirements. Record any mismatch before the item enters usable stock.
A reorder point becomes unreliable if no one updates demand, lead time, supplier status, or machine fleet details. Assign responsibility, set review dates, and keep a record of changes and exceptions.
Review reorder points after a major change in fleet size, work conditions, consumption, supplier, transport route, or maintenance schedule. Compare planned demand with actual issues and compare planned lead time with actual receipt history. Keep a change log so the purchasing team can see why each safety-stock or reorder-point adjustment was made.
A reliable Excavator Wear Part reorder plan connects real consumption, usable stock, lead-time evidence, fitment controls, and clear purchasing ownership. Start with clean data, apply the steps consistently, and improve the settings as operating and supplier records grow. Zhonghai Jiuchuan can support buyers sourcing excavator wear parts, and a well-maintained plan helps keep the right Excavator Wear Part available when equipment needs it.
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