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Free rigid dump truck monthly inspection checklist. Chassis welds, dump-body pivot, hoist seals, hub planetaries, retarder, tyres + rims.

Jarrod Milford

Jarrod Milford

Commercial Director

Updated 25 May 2026

Updated 25 May 2026

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Saunders InternationalMineral ResourcesSupagasHacer GroupMetro TunnelUltrabuiltDraintechGenusAxis Services GroupRIXDFES Western AustraliaSaunders InternationalMineral ResourcesSupagasHacer GroupMetro TunnelUltrabuiltDraintechGenusAxis Services GroupRIXDFES Western Australia

What is a dump truck monthly inspection checklist?

A dump truck monthly inspection is a structured form used by maintenance supervisors and competent persons to verify that a rigid mining or quarry haul truck is mechanically sound, structurally intact and safe to continue running production cycles between major services. Rigid dump trucks such as the CAT 770, 777 and 789, Komatsu HD-series and Liebherr T-series carry millions of tonnes per year over their service life, and the combination of payload, frame loading, brake system complexity and the cost of tyres and rims makes the monthly inspection one of the most evidence-heavy intervals in any heavy mobile fleet. A monthly inspection typically takes two to four hours per truck, is completed by a heavy-duty fitter, mechanical supervisor or other competent person nominated in the mechanical integrity plan, and is signed off as evidence that every structural weld, pivot pin, hoist seal, hub planetary, brake disc, retarder, suspension cylinder, tyre and rim has been inspected against the OEM reject criteria.

The most evidence-heavy interval for rigid dump trucks is the monthly inspection, because it is where structural frame welds (chassis, front cross-member, rear axle housing), bed (dump-body) pivot pin play, hoist cylinder seal weep, hub planetary final-drive condition, brake disc thickness, retarder function, suspension cylinder seal and tyre and rim integrity are all measured and recorded in a single sitting. The largest consumable cost on the truck is tyres and rims, and the largest single capital risk is uncontrolled descent from brake or retarder failure on a loaded ramp, so both areas are checked formally rather than relying on the operator pre-start. The output supports compliance with AS 4024.2601, the WHS Regulations 2011 (Chapter 5, Division 5), the Safe Work Australia Code of Practice for Managing Risks of Plant, and NSW mining-specific MDG 15 (Mobile equipment) and MDG 41 (Tyre and rim management) where applicable.

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Benefits of using this dump truck monthly inspection checklist

  • Catch chassis and axle-housing cracks: A monthly weld walk on the chassis, front cross-member and rear axle housing finds fatigue cracks early, well before a structural failure under load.
  • Protect the bed and hoist system: Dump-body pivot pin play, hoist cylinder seal weep and bed-wear measurements are recorded so production downtime is planned rather than forced.
  • Measure brake disc thickness: Service brake disc thickness is measured against the OEM minimum so the planner can stage brake-pack replacement during a planned outage rather than after a runaway.
  • Verify retarder function under load: Retarder system function is tested formally so the loaded descent capability is confirmed rather than assumed at the point of need.
  • Manage tyre and rim integrity: Tyre and rim are the most expensive consumable on the truck, and monthly measurement and visual inspection align with MDG 41 expectations on rim and tyre management.
  • Drive defect-to-work-order accountability: Every defect found during the monthly inspection is photographed, prioritised and converted into a maintenance work order so nothing lives unresolved on a paper form.

Benefits of digitising forms in MapTrack

When you digitise dump truck checklists in MapTrack, you get:

  • Field users can easily scan a QR code to complete a form on mobile. Unlimited users.
  • Automatically get alerts when faults are identified.
  • Link every form digitally as a PDF to the relevant asset, location or person.
  • Receive a digital PDF copy with every submission to your email.
  • Ability to share forms digitally.
  • Build conditional logic (show or hide questions based on answers).
  • Take pictures or attach photos. Not possible with a paper-based form.
  • Electronic signatures.
  • Edit forms later without reprinting.
  • Restrict permissions (who can view, complete or approve).
  • Build forms with AI (describe what you need and MapTrack suggests the form).
  • Trigger work orders automatically when a fault is logged during an inspection.
  • Track service intervals by hours, kilometres or calendar date in one place.
  • Attach supplier invoices and parts receipts to each maintenance record.

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What to include in a dump truck monthly inspection checklist

This dump truck monthly inspection checklist covers 15 key areas:

  • Chassis and front cross-member structural weld visual
  • Rear axle housing weld and mounting integrity
  • Dump-body (bed) pivot pin and bush play measurement
  • Bed liner wear and structural cross-member condition
  • Hoist cylinder rod, seal weep and mounting trunnion
  • Hub planetary final drive oil level and leak check
  • Service brake disc thickness measurement at each wheel
  • Retarder system function test under load
  • Suspension cylinder seal weep and gas charge verification
  • Tyre wear, tread depth and sidewall condition
  • Rim integrity (cracks, lock-ring seat, valve hardware) per MDG 41
  • ROPS and FOPS certification sticker and cab-mount check
  • Hydraulic and brake hose chafing walk
  • Defect log review against last month plus open work orders
  • Function test of full bed lift cycle with representative load

How to use this dump truck monthly inspection checklist

  1. Plan and isolate.: Pull the truck out of the production cycle, park it on level ground, lower the bed onto its rest blocks and complete lockout-tagout on the master isolator, batteries and accumulator pressure. Wash down the chassis so weld inspection is meaningful, then review the hour meter, last service and any open defects so the inspection is informed by known issues.
  2. Inspect the chassis and axle housing.: Walk the chassis from front to rear with a torch, examining welds at the front cross-member, the engine mounts, the rear suspension towers and the rear axle housing. Look for paint cracks, rust streaks, fretting or any indication of fatigue, and mark any suspect weld for dye-penetrant testing. Confirm chassis frame rails are straight and undamaged.
  3. Check bed pivot, liner and hoist trunnions.: With the bed safely supported, measure dump-body pivot pin play, inspect bed liner wear at the front bulkhead and across the floor, and check the structural cross-members under the bed for cracking. Inspect the hoist cylinder rod surface, mounting trunnions and any visible seal weep on the cylinder gland.
  4. Inspect hub planetaries and final drives.: At each driven wheel, check the hub planetary oil level via the sight glass, look for leaks at the planetary cover and final-drive seal, and listen for abnormal noise as the wheel is rotated under controlled conditions. Record any low oil, contamination or visible metal in the oil sample.
  5. Measure brake discs and test the retarder.: Measure service brake disc thickness at each wheel against the OEM minimum and record the reading. Test the retarder system function on a measured grade with a representative load, confirming that the retarder holds the truck within the OEM expected deceleration curve. Confirm parking brake hold and emergency brake response.
  6. Inspect tyres, rims and suspension cylinders.: Measure tread depth at multiple points on each tyre, inspect sidewalls for cuts, separation and impact damage, and check each rim for cracks, lock-ring seat condition and valve hardware integrity per MDG 41. Inspect each suspension cylinder for seal weep, mounting condition and a gas-charge reading where measurable.
  7. ROPS, FOPS and hydraulic walk.: Confirm ROPS and FOPS certification stickers are present and legible, check cab mounting bolts and verify no unauthorised welding has been done to the cab structure. Walk every hydraulic and brake hose under the chassis and around the bed pivot, looking for chafing, oil weep and loose clamps.
  8. Function test the bed lift cycle.: With the truck warmed up on level ground, run a full bed lift cycle with a representative load on the bed if possible, watching for hoist cylinder behaviour, hydraulic pressure, abnormal noise and bed pivot response. Lower the bed back to rest and confirm smooth return.
  9. Document, sign and raise work orders.: Photograph every defect, record measurements against the form fields, sign the form as the competent person and convert each defect into a prioritised work order in the maintenance system. Schedule the next monthly inspection date and confirm no overdue work orders carry past 30 days.

In MapTrack, you can schedule and track maintenance digitally. Each submission is stored as a timestamped PDF against the asset record.

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How often should you complete this checklist?

A rigid dump truck monthly inspection is conducted every calendar month for any haul truck in active mining or quarry production, alongside the OEM 250 and 500 hour service intervals and any major scheduled mid-life overhauls. Operations running long downhill loaded hauls, hot tyre conditions or high-payload application often shorten the interval to every 200 operating hours because brake disc, retarder, suspension and tyre wear all accelerate. Escalate to a quarterly or annual structural inspection after any rollover, runaway incident, brake-pack replacement, bed repair or contact with overhead services. Trigger an immediate out-of-cycle inspection if the operator reports retarder loss, brake imbalance, abnormal bed behaviour, suspension sag, tyre damage or any suspected structural crack. MapTrack schedules the monthly inspection against each haul truck, alerts the planner before it falls due, and converts every captured defect into a tracked work order with photo evidence.

Frequently asked questions

A rigid dump truck monthly inspection covers structural weld visuals on the chassis, front cross-member and rear axle housing, dump-body pivot pin and liner wear, hoist cylinder seal and trunnion checks, hub planetary final-drive oil and leak status, service brake disc thickness measurement at each wheel, retarder function testing under load, suspension cylinder seal and gas-charge checks, tyre and rim integrity per MDG 41, ROPS and FOPS sticker checks, a full hydraulic and brake hose walk, and a function test of the full bed lift cycle. Every defect is photographed and converted into a prioritised work order.

A daily pre-start on a rigid dump truck is a short operator walk-around covering fluid levels, lights, obvious damage, tyre visual, brake function check and bed condition before the shift. A monthly inspection is a two to four hour competent-person examination covering chassis weld walk, bed pivot pin play measurement, hub planetary checks, brake disc thickness measurement, retarder function testing under load, suspension cylinder seals, formal tyre and rim integrity per MDG 41 and a loaded bed lift function test. The pre-start catches daily symptoms, the monthly catches structural and mechanical drift before it fails under payload.

A dump truck monthly inspection must be completed by a competent person under the WHS Regulations 2011, which in practice means a qualified heavy-duty fitter, mechanical supervisor or plant mechanic with documented experience on rigid mining haul trucks and access to the OEM service literature. On NSW mines, the nominated competent person is recorded in the mechanical integrity plan and must understand MDG 15 expectations for mobile equipment and MDG 41 for tyre and rim management. The operator may support the inspection but does not sign it off.

The primary standards are AS 4024.2601 (Safety of machinery - Earth-moving machinery), AS 2891 (Operator field-of-view), ISO 6165 (Earth-moving machinery basic types and terminology), the WHS Regulations 2011 (Chapter 5, Division 5 - Plant Safety), and the Safe Work Australia Code of Practice for Managing Risks of Plant in the Workplace. NSW mining operations also apply MDG 15 (Mobile equipment on mines) and MDG 41 (Tyre and rim management). OEM service literature from CAT, Komatsu and Liebherr supplies the technical reject criteria for brake disc thickness, suspension charge, and bed pivot wear.

Yes, the dump truck monthly inspection checklist is free to download as a PDF and use across any haul-truck fleet. If you want each monthly inspection scheduled per truck asset, completed on a mobile device with brake-disc and tyre measurements captured as data fields, photo evidence attached to every defect, and prioritised work orders raised automatically, MapTrack runs the full inspection programme alongside your OEM service intervals. Start a free trial at maptrack.com to load your haul fleet and schedule the first cycle.

Applicable regulatory standards

This template aligns with the following regulations and standards:

  • AS 4024.2601
  • AS 2891
  • ISO 6165 Earth-moving machinery
  • WHS Regulations 2011 Chapter 5 Division 5 Plant Safety
  • Safe Work Australia Code of Practice Managing Risks of Plant in the Workplace
  • MDG 15 NSW Mining Mobile Equipment
  • MDG 41 Tyre and Rim Management

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