Used Komatsu GD511A-1 Motor Grader for Sale

Unit Record
Catalogue details identify this listing; they are not an independent condition inspection.
- Stock / catalogue ID
- KMT-GD511A-1785910
- Record updated
- 2026-09-16
- Catalogue availability
- In stock · verified 2026-11-03 · reconfirm for this stock ID
- Gallery
- 1 catalogue photo
- Price basis
- 设备裸价
- Inspection and service records
- Confirm availability for this stock ID
Undercarriage listing note: Track undercarriage in good condition
External references for model and inspection context
These sources support model-family comparison and buyer questions. They are not inspection records for this stock ID, do not certify this machine, and do not replace current serial/PIN-matched evidence.
- Komatsu: official motor-grader models and specifications ↗Official Komatsu motor grader product range. Current regional pages may not list older Komatsu GD511A-1 generations; use the full model suffix and serial/PIN to identify the applicable manufacturer specification.
- Ritchie Bros.: used excavator inspection tips ↗Auction-industry buyer checklist reference for structure, leaks, meter questions and bucket wear.
- Ritchie Bros.: what inspection reports can include ↗Industry example covering photos, component comments, functional tests, engine video and track measurements.
Quick facts about this used motor grader
Condition and hours to verify
The hours below are the catalogue meter figure. To assess operating history, compare a dated meter image and any service records for the same serial number or PIN. Agree the inspection scope for the selected machine before purchase.
- Brand / model
- Komatsu GD511A-1
- Operating hours (listing figure)
- 8,400 hrs
- Operating weight · Catalogue field · exact-unit verification pending
- 13,750 kg
- Engine · Catalogue field · exact-unit verification pending
- Komatsu SAA6D107E-1 (7.4 L) · 177 hp (Catalogue field · exact-unit verification pending)
- Bucket / attachment · Catalogue field · exact-unit verification pending
- 3.71 m moldboard
- Listed machine-only price
- $19,850
- Evidence
- Request for exact unit
- Quote terms
- FOB · CIF · CFR
Before comparing offers, use our used equipment verification and shipping guide to review unit-level evidence and destination-specific terms.
Listed machine-only price
$19,850
Listed equipment-only price for this enquiry; confirm current availability and final terms before ordering. Ocean freight, insurance, destination duties, taxes, port charges and inland delivery are not included. Request a written FOB or CIF quotation for your destination.
Specifications Recorded in This Listing
These fields identify the published record. Match engine, weight, power, bucket and model variant to the machine plate and serial-specific documentation; a manufacturer model reference is not proof of this unit's configuration.
Additional Fields Recorded in the Listing
Use these catalogue fields as a comparison starting point. Confirm the exact model suffix, fitted equipment and values against the selected machine and its supporting records.
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Product Overview
Komatsu GD511A-1 is listed under stock ID KMT-GD511A-1785910 with 8,400 displayed hours in the catalogue. Confirm the full model designation and serial number or PIN before relying on configuration figures or comparing offers.
Inspection priorities for this machine
Agree the inspection scope before purchase. For this equipment type, consider checking circle and drawbar play, moldboard movement, steering, articulation and tandem drives.
Hours and service history
Compare a dated meter image with any service or repair records that identify the same machine. Ask about any meter replacement or gaps in the history. Ask which dated records and inspection materials are available for this stock ID.
Close-up Mechanical Details

Key Features
- The Komatsu GD511A-1 is the Japanese answer to the Cat 140-series — quieter, smoother, and with better operator ergonomics.
- The Komatsu SAA6D107E-1 engine at 177 hp pairs with Komatsu's HydroShift transmission — an 8-forward, 4-reverse hydrostatic drive that eliminates gear-change jerk during blade-loaded work.
- The GD511A-1 is HMP's recommendation for buyers doing airport-taxiway maintenance, luxury-golf-course construction, and precision-grade utility trenching where the extra competitive price levels CIF premium over a Cat 140K is justified by superior finish quality.
- Engine: Komatsu SAA6D107E-1 (7.4 L) rated at 177 hp — original OEM serial number listed against chassis records
- Operating weight: 13,750 kg with 3.71 m moldboard configuration
- On this Komatsu GD511A-1: moldboard 3.71 m moldboard | blade down pressure 6,900 kgf | articulation ±25°.
- Application range: trenching & utility — the duties this motor grader handles across Lagos and Nairobi markets.
Why Source From HMP?
- HMP confirms a written CIF price to Nigeria and Kenya after your enquiry is reviewed, valid for 7 days.
- An independent inspection provider survey of this unit can be arranged, with HMP managing the booking.
- Parts continue to be sourced through HMP trade accounts in Shanghai, Guangzhou, and Hong Kong.
- Your account has a technical liaison, an engineer from China's authorized-dealer network.
Buyer verification steps
How to verify this used Komatsu GD511A-1 before purchase
- 1
Match the machine identity
Match the full model and stock ID on this page to current serial/PIN plate photos for the exact Komatsu GD511A-1.
- 2
Review current unit information
Request the available hour-meter photo, service records, current machine photos, and operating video; compare the evidence with the listed details.
- 3
Agree the inspection scope
Write down the checks, access, report format, timing, and any independent inspector before payment. Treat seller material and independent findings as separate sources.
- 4
Confirm the written export quote
Confirm the machine-only price, FOB/CFR/CIF basis, freight scope, destination port, local charges, documents, and quote validity in writing.
Frequently Asked Questions
QHow should I verify the hours for stock ID KMT-GD511A-1785910?
Komatsu GD511A-1 is listed under stock ID KMT-GD511A-1785910 with 8,400 displayed hours in the catalogue. Compare any current meter photo with dated records for the same serial number or PIN.
QWhich inspection and service records can I request?
Ask which dated inspection reports, repair invoices, maintenance records or operating videos exist for this stock ID. Agree the inspection scope and access before purchase.
QHow will I get parts for this Komatsu GD511A-1 once it is working in Nigeria and Kenya?
Post-purchase support for Nigeria and Kenya buyers includes parts sourcing through HMP's Shanghai, Guangzhou, and Hong Kong trade desks, plus guidance from the technical liaison on your account.
QWhat jobs is this Komatsu GD511A-1 best suited for?
This Komatsu GD511A-1 fits trenching & utility programs well; with 13,750 kg of operating weight and a 3.71 m moldboard bucket it holds its own in Nigeria and Kenya site conditions. The application history is documented in the file.
QWhat do operators say about the Komatsu GD511A-1 in daily work?
Crews running the Komatsu GD511A-1 report consistent control behavior and an operator station that stays comfortable in long shifts, which supports steady production.
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