Free dozer blade inspection checklist
Free dozer blade inspection checklist covering cutting edges, end bits, c-frame pins, cylinders and welds.
Updated 3 Oct 2026
Dozer Blade Inspection Checklist
Competent-person inspection
Blade identification & build
Cutting edge & end bits
Pins & pivot wear
Lift & tilt cylinders
Brace arms & welds
Ripper attachment (if fitted)
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Short answer
A dozer blade inspection checklist records the condition of a crawler dozer blade and push frame: cutting edge and end bit wear, moldboard cracks, c-frame and push beam pins, cylinder rods, brace arms and hoses. Operators check visually each shift and a competent person measures wear on the site's schedule. Regulation 213 of the model WHS Regulations requires inspection following the manufacturer's recommendations.
Checked against Model WHS Regulations as at 5 December 2025 (cited within as the Work Health and Safety Regulations 2011) on by the MapTrack templates team. How we check templates
Key takeaways
- The MapTrack dozer blade inspection checklist contains 35 checks across 6 sections. Sections covered: Blade identification & build, Cutting edge & end bits, Pins & pivot wear, Lift & tilt cylinders, Brace arms & welds, Ripper attachment (if fitted).
- Wear limits for cutting edges, end bits and pins come from the OEM service manual; regulation 213 follows the manufacturer's recommendations.
- Use the manufacturer's pin wear limits; where none are provided, have a competent person set the inspection and replacement criteria.
- AS 20474.1 and AS 20474.2 (2025) cover how dozers are designed and built, not in-service wear.
- Tag a blade with a structural crack out of service until a competent person has assessed and repaired it.
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Used by construction, mining and field service teams
What is a dozer blade inspection checklist?
A dozer blade inspection checklist is the attachment-level structural and wear assessment used by a competent person to decide whether a crawler dozer blade stays in service, goes on a watch list, or is retired and replaced. It applies to every blade configuration on the global crawler dozer fleet including straight (S) blade, angle (A) blade, universal (U) blade, semi-universal (SU) blade and power-angle-tilt (PAT) six-way blade across CAT, Komatsu, John Deere and Liebherr dozers from 6 tonne mini-dozers up to 100 tonne mining class machines. Unlike a dozer pre-start that runs across the whole carrier, or a 250 hour service that focuses on lubricants and filters, this checklist concentrates on the blade and its push frame structure. The scope covers blade type identification, cutting edge wear measurement and bolt torque, end bit wear and replacement timing, blade moldboard cracking around the brace mounting points, c-frame pivot pin and bushing condition, lift cylinder and tilt cylinder rod condition, brace arm straightness and weld integrity, push beam pin condition, hydraulic hose chafing across the blade-to-carrier interface, magnetic particle inspection (MPI) on suspect welds and ripper attachment condition where the dozer carries one.
AS 20474.1:2025 and AS 20474.2:2025 (Earth-moving machinery - Safety) set safety requirements for how dozers are designed and built, ISO 6165 (Earth-moving terminology) gives the OEM documentation baseline, and ASME B30.20 (Below-the-hook lifting devices) applies where the blade is used as a lifting point through certified lugs. The WHS Regulations 2011 Chapter 5 make blade and push-frame condition part of the PCBU plant maintenance duty, and the Safe Work Australia Code of Practice on managing the risks of plant in the workplace (November 2024) is the practical guide most supervisors use to scope this inspection cadence. Where cutting edge wear is past 75 percent or c-frame pivot pin diameter has reduced by 10 percent or more, the inspector either retires the blade for rebuild on the spot or sets a shorter inspection interval until rebuild. A digital record in MapTrack ties each inspection to the blade serial, the carrier dozer, the install date and the operating hours so retirement and rebuild decisions remain defensible at trade-in and audit.
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Benefits of using this dozer blade inspection checklist
- Attachment-level accountability: Each blade decision is signed against the competent inspector who measured cutting edges and pins, not lost inside a generic dozer signature
- Wear and discard record: The checklist records each wear measurement and the discard threshold applied, so SafeWork audits and OEM warranty claims are straightforward
- Per-attachment traceability: S, A, U, SU and PAT blades are inspected individually with their own ID, install date and operating hour count against the carrier
- Cutting edge and end bit visibility: The cutting edge wear and end bit wear thresholds are captured in measurement, so the replacement decision is data-driven rather than visual guess
- Cylinder rod protection: Lift and tilt cylinder rod condition is signed off, intercepting rod scoring, seal failure and the resulting hydraulic dump that drops a blade unexpectedly
- Weld defect interception: Documented MPI checks on moldboard, brace arms and push beam intercept fatigue cracks before they propagate into structural failure under load
- Lifecycle records: Every blade rebuild, cutting edge replacement, inspection and discard sits against the attachment for the full life of the asset
Benefits of digitising forms in MapTrack
When you digitise dozer blade inspection checklists in MapTrack, you get:
- Field users can easily scan a QR code to complete a form on mobile. Unlimited users.
- Email the right people when a form is submitted, with an automation you set up.
- File every completed form against the asset, location or person it covers.
- Download any completed form as a PDF, with failed answers listed at the top.
- Fill in forms offline; they upload when the device is back online.
- 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.
- Set who can view, fill in or edit forms with user roles.
- Upload a paper form (PDF, Word, Excel or a photo) and MapTrack's AI builds a digital version for you to check.
- Email safety managers when a hazard report is submitted, with an automation you set up.
- Keep every hazard and incident report against the site it came from, with photos.
- Turn a hazard report into a corrective-action work order with its own review step.
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What to include in a dozer blade inspection checklist
This dozer blade inspection checklist covers 12 key areas:
- Blade identification: type (S/A/U/SU/PAT), capacity, OEM or aftermarket build, serial number, carrier dozer ID and operating hours since install or last rebuild
- Blade type-specific configuration: PAT blade pitch and tilt cylinder range, A-blade angle range, U and SU blade wing condition, S-blade end plate condition, configuration confirmed against the OEM spec
- Cutting edge wear measurement: cutting edge thickness measured at three points across the blade, against the new edge dimension, percentage wear calculated and bolt torque verified
- End bit wear measurement: end bit thickness and remaining material measured at the outer corner of the blade where wear accelerates, retainer bolt torque and adjacent moldboard condition verified
- Blade moldboard cracking inspection: visual and MPI inspection of the moldboard for fatigue cracks around the brace mounting points, c-frame mounting, lift bracket and rear ribs
- C-frame pivot pin and bushing condition: dial-indicator measurement on the c-frame pivot pin and bushing against the OEM clearance specification, with 10 percent diameter reduction discard rule applied
- Lift cylinder rod condition: lift cylinder rod scoring inspection, chrome coverage check, seal condition at the gland and rod alignment from full retract to full extend
- Tilt cylinder rod condition: tilt cylinder rod scoring inspection, chrome coverage check, seal condition at the gland, rod alignment and pitch range verification on PAT blades
- Brace arm straightness and welds: brace arm visual inspection for straightness, weld inspection at brace-to-frame and brace-to-blade attachment points, MPI on any suspect weld indication
- Push beam and pin condition: push beam visual inspection for cracking and twist, push beam pin and bushing wear measurement against the OEM specification
- Hydraulic hose chafing inspection: deliberate walk of all hydraulic hoses from carrier to blade through the lift, tilt and angle circuits, marking any chafing or abrasion against frame edges
- Ripper attachment if equipped: ripper shank visual inspection for cracking, ripper tip wear measurement, ripper hydraulic cylinder rod condition, ripper pin and bushing condition
How to use this dozer blade inspection checklist
- 1. Plan the inspection and isolate the carrier: pull the blade history file including ID, install date, operating hours and previous wear measurements, position the dozer on level ground with the blade flat on the deck and ripper retracted, lock out the ignition and key in pocket, allow the blade to cool
- 2. Identify the blade and verify configuration: confirm blade type (S, A, U, SU, PAT), capacity, OEM or aftermarket build, serial number and carrier dozer ID, verify configuration against the OEM specification including PAT pitch and tilt range or A-blade angle range
- 3. Measure cutting edges and end bits: measure cutting edge thickness at three points across the blade against the new edge dimension, calculate percentage wear, verify retainer bolt torque, measure end bit thickness and remaining material at the outer corner of the blade and verify adjacent moldboard condition
- 4. Inspect blade moldboard and ribs: complete the visual inspection of the moldboard for fatigue cracks around brace mounting points, c-frame mounting, lift bracket and rear ribs, photograph any suspect indication for follow-up MPI
- 5. Measure c-frame pivot pin and push beam pin condition: with the blade on the deck and unloaded, attach the dial indicator to the c-frame pivot pin and push beam pin positions, lever the linkage against the indicator and record the measured clearance against the OEM specification
- 6. Inspect lift cylinder and tilt cylinder rod condition: extend each cylinder through full stroke and inspect the rod for scoring, chrome coverage loss and seal leakage at the gland, verify rod alignment from full retract to full extend, repeat for tilt cylinders and confirm pitch range on PAT blades
- 7. Walk brace arms, push beams and hose runs: brace arm visual inspection for straightness, weld inspection at brace-to-frame and brace-to-blade attachment points, push beam visual inspection for cracking and twist, deliberate walk of all hydraulic hoses for chafing against frame edges
- 8. Complete MPI on suspect welds and inspect ripper: magnetic particle inspection on any suspect weld indication on moldboard, brace arms and push beam, ripper shank visual for cracking, ripper tip wear measurement, ripper cylinder rod condition and ripper pin and bushing condition where the dozer is fitted with a ripper
- 9. Make the end-of-life decision and record: mark the blade as fit for service, watch list (with a shorter inspection interval), partial rebuild (cutting edge and end bits) or full retirement and replacement, photograph any discard-criteria finding, sign the record and attach to the asset in MapTrack
In MapTrack, you can digitise safety inspections and compliance forms. Each submission is stored as a timestamped PDF against the asset record.
Get the free templateEnter your email above to download the full dozer blade inspection checklist as a PDF.Back to download formHow often should you complete this inspection checklist?
Regulation 213 of the WHS Regulations 2011 requires the blade to be inspected by a competent person, following any recommendations of the manufacturer, so the OEM service manual is the starting point for the cadence the blade inspector should follow. The operator runs a visual pre-start blade check each shift, looking for missing edge bolts, end bit loss, cracked welds and obvious hose damage at the visible blade-to-frame interface. A weekly visual inspection by a trained technician covers more of the moldboard and the cylinder rods under controlled conditions. A monthly competent-person inspection covers cutting edge and end bit wear measurement, c-frame pivot pin and push beam pin measurement, lift and tilt cylinder rod condition and the structural weld visual. A 6-monthly major inspection sits inside the carrier dozer monthly cadence and goes deeper, including MPI on moldboard, brace arms and push beam welds where the blade is on heavy production duty in mining or quarry pushing. Any impact event, dropped blade, hydraulic dump, ripper strike or near-miss triggers an out-of-cycle inspection before the blade returns to service. In MapTrack the blade inspection schedule sits against the blade ID rather than the carrier dozer, so a blade swap or rebuild resets the cadence automatically.
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Frequently asked questions
Applicable regulatory standards
This template is a starting point. Check the current requirements that apply to your equipment, work and location. The template alone does not establish compliance.
| Standard | Edition | Clauses this template relies on | Source |
|---|---|---|---|
| Model Work Health and Safety RegulationsPlant inspected and maintained by a competent person following the manufacturer's recommendations. | Model WHS Regulations as at 5 December 2025 (cited within as the Work Health and Safety Regulations 2011) |
| Safe Work Australia (drafted by the Parliamentary Counsel's Committee) |
| Model Code of Practice: Managing risks of plant in the workplaceGuidance on inspecting, maintaining and repairing plant. The current model Code is the November 2024 version. | November 2024 version (reviewed May 2018; amended 2021, 2023 and 2024) |
| Safe Work Australia |
| Earth-moving machinery - Safety, Part 2: Requirements for dozers (ISO 20474-2:2017, MOD)AS 20474.2:2025: dozer design and construction safety requirements, not in-service wear limits. | AS 20474.2:2025 | Whole instrument | Standards AustraliaSold by the publisher |
| Earth-moving machinery - Safety, Part 1: General requirements (ISO 20474-1:2017, MOD)AS 20474.1:2025: general safety requirements for earth-moving machinery design and construction. | AS 20474.1:2025 | Whole instrument | Standards AustraliaSold by the publisher |
Model Work Health and Safety Regulations
Edition: Model WHS Regulations as at 5 December 2025 (cited within as the Work Health and Safety Regulations 2011)
Plant inspected and maintained by a competent person following the manufacturer's recommendations.
- reg 213: Plant must be maintained, inspected and, if necessary, tested by a competent person, following manufacturer or competent person recommendations; annual inspection applies only if neither is practicable.
- Chapter 5: Plant and structures: general duties for plant, duties for registered plant, and registration of plant designs and items of plant.
Safe Work Australia (drafted by the Parliamentary Counsel's Committee)
Model Code of Practice: Managing risks of plant in the workplace
Edition: November 2024 version (reviewed May 2018; amended 2021, 2023 and 2024)
Guidance on inspecting, maintaining and repairing plant. The current model Code is the November 2024 version.
- Section 3.5: Inspecting plant: how and when plant should be inspected by a competent person, reflecting reg 213.
- Section 3.6: Maintenance, repair and cleaning of plant, following manufacturer instructions and by competent people.
Earth-moving machinery - Safety, Part 2: Requirements for dozers (ISO 20474-2:2017, MOD)
Edition: AS 20474.2:2025
AS 20474.2:2025: dozer design and construction safety requirements, not in-service wear limits.
Standards AustraliaSold by the publisher
Earth-moving machinery - Safety, Part 1: General requirements (ISO 20474-1:2017, MOD)
Edition: AS 20474.1:2025
AS 20474.1:2025: general safety requirements for earth-moving machinery design and construction.
Standards AustraliaSold by the publisher
Each source was read at its publisher and the page checked on 26 October 2026. The publisher's current text is the authority.
Dozer Blade Inspection Checklist preview
The numbers behind this dozer blade inspection checklist
The pages below gather the figures behind this kind of check. Each figure on them carries its source and date, so you can quote it in a toolbox talk, a budget case or a board paper without chasing the original report.
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<div style="max-width:480px;font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;border:1px solid #E5E7EB;border-radius:12px;padding:20px;background:#ffffff;">
<p style="font-size:12px;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;color:#071D49;margin:0;">Free template</p>
<p style="font-size:18px;font-weight:700;color:#071D49;margin:6px 0 0;">Dozer Blade Inspection Checklist</p>
<ul style="margin:12px 0 0;padding-left:18px;color:#374151;font-size:14px;line-height:1.6;">
<li style="margin:4px 0;">Blade identification: type (S/A/U/SU/PAT), capacity, OEM or aftermarket build, serial number, carrier dozer ID and operating hours since install or last rebuild</li>
<li style="margin:4px 0;">Blade type-specific configuration: PAT blade pitch and tilt cylinder range, A-blade angle range, U and SU blade wing condition, S-blade end plate condition, configuration confirmed against the OEM spec</li>
<li style="margin:4px 0;">Cutting edge wear measurement: cutting edge thickness measured at three points across the blade, against the new edge dimension, percentage wear calculated and bolt torque verified</li>
<li style="margin:4px 0;">End bit wear measurement: end bit thickness and remaining material measured at the outer corner of the blade where wear accelerates, retainer bolt torque and adjacent moldboard condition verified</li>
<li style="margin:4px 0;">Blade moldboard cracking inspection: visual and MPI inspection of the moldboard for fatigue cracks around the brace mounting points, c-frame mounting, lift bracket and rear ribs</li>
<li style="margin:4px 0;">C-frame pivot pin and bushing condition: dial-indicator measurement on the c-frame pivot pin and bushing against the OEM clearance specification, with 10 percent diameter reduction discard rule applied</li>
</ul>
<p style="font-size:13px;color:#6B7280;margin:14px 0 0;padding-top:12px;border-top:1px solid #E5E7EB;">Free <a href="https://www.maptrack.com/templates/dozer-blade-inspection-checklist" style="color:#071D49;font-weight:600;text-decoration:none;">Dozer Blade Inspection Checklist</a> by MapTrack</p>
</div>Free to reuse, including commercially. This template is published under a Creative Commons Attribution 4.0 licence. Copy it, adapt it, put it on your own site or in your own docs. All we ask is that you credit MapTrack with a link back to this page. The snippet above already includes that credit, so if you use it as-is you’re covered.
Cite this template
Writing about this topic? You’re welcome to quote this checklist. Here’s the wording to use so your readers can find the original.
The MapTrack dozer blade inspection checklist contains 35 checks across 6 sections.
- Short attribution
- MapTrack Dozer Blade Inspection Checklist, https://www.maptrack.com/templates/dozer-blade-inspection-checklist
- Reference list
- MapTrack. (2026). Dozer Blade Inspection Checklist [Checklist template]. Retrieved from https://www.maptrack.com/templates/dozer-blade-inspection-checklist
Free to reuse with credit under a Creative Commons Attribution 4.0 licence. If you’d rather link straight to it, the page is https://www.maptrack.com/templates/dozer-blade-inspection-checklist.
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