Before buying a used Caterpillar machine, verify its identity and history, inspect it in person, and compare its condition and likely costs with the work you need it to do. A Cat Certified Used designation adds a defined dealer inspection and preparation process, but it is not a substitute for reviewing the individual machine’s report and written coverage terms.
Start with the machine’s identity and records
Ask for the exact model, serial number, configuration, operating hours and attachments. Match the serial number on the machine to the listing and records; resolve discrepancies before proceeding. Caterpillar recommends reviewing service and repair records, conducting your own inspection and test-driving the machine (Caterpillar’s used-equipment buying guidance).
As an Amazon Associate I earn from qualifying purchases.
- Request maintenance and service history, repairs, parts replaced, service hours and any incident or accident reports.
- Ask whether any original warranty remains, and request the written terms.
- Request fluid-sampling results and the inspection report if available.
- Ask what work was done to prepare the machine for sale, with itemized repairs and replacements.
- Ask about prior ownership and use. Cat Certified Used machines may come from dealer rental fleets, trade-ins or lease returns; a rental-fleet origin may mean a service history is available, but it does not establish the condition of that particular machine (Caterpillar’s Certified Used overview).
Treat records as evidence to compare with the machine, not proof by themselves that it is in good condition.
Inspect it systematically in person
Begin with a walkaround before startup. Look for visible leaks, damage, missing components, cracked glass, damaged hoses, uneven wear and signs of repair. If you are not equipped to assess heavy machinery, arrange an inspection by a qualified independent heavy-equipment inspector.
#1 Best Overall
- AUTHENTIC SCALE REPLICA W/ OUTSTANDING DETAILS - Diecast Masters Caterpillar 336 Next Generation Hydraulic Excavator in 1:50 scale includes accurate and current Caterpillar Modern Hex paint, decals, and trade dress. The model features a working boom, stick, and seven-tooth digging bucket (not removable) which all can be posed in several different digging display options, and it can be rotated 360 degrees on its chassis.
- TOP QUALITY MATERIALS - Made from both die-cast metal and plastic components, our authentic Caterpillar truck and construction equipment replicas look like real machines. Details include rolling metal tracks with bolt detailing on each segment, a detailed cab interior with Cat logo on operator’s seatback, a removable operator figure, several warning decals, lights, mirrors, textured walkways, steps, safety railings, exhaust, hydraulic lines, and more.
- HIGH LINE SERIES - This model is part of the Diecast Masters High Line Series of classic collectible scale model replica trucks and machines. The 1:50 scale models can be displayed in several working poses and, some can fold to fit on a lowboy trailer. 1:32 scale and 1:25 scale are ideal for larger collections and displays. All of our adult collectible die-cast models would be ideal for Caterpillar equipment collections, dioramas and displays and make great gifts for any commemorative occasion.
- PREMIUM COLLECTOR’s PACKAGING - This Caterpillar model comes presented in a special Diecast Masters Collectible Metal Tin. The metal box packaging is printed in full color with pictures of the replica model and real machine in use, and technical info and key specs of the machine listed on the back. Includes a Diecast Masters mini-Cat alog showing all current Diecast Masters Caterpillar products, pictures, & item numbers.
- DIECAST MASTERS - Diecast Masters makes the coolest-looking and best-made collectible trucks, trailers, and construction machinery around. Our accurate-to-scale replica trucks and construction vehicles for adult collectors are each officially licensed with careful attention to detail.
Undercarriage or tires
On a wheeled machine, check tires for uneven wear, bulges, cracks and missing bolts. Caterpillar recommends using a tread gauge to assess tire wear (Caterpillar’s used-equipment inspection tips). A tread gauge does not measure tracked undercarriage wear. Cat’s certified inspection process may use track-measuring or ultrasonic wear tools for undercarriage assessment.
Engine, transmission and hydraulics
Where it is safe and appropriate, start and operate the machine. Watch for warning or error messages, abnormal noises, smoke, leaks, or difficulty engaging or moving. Check hydraulic cylinders, hoses, the pump compartment and attachments for leaks, scoring, wear or damage. Caterpillar notes that hydraulic repairs can be time-consuming and costly.
Rank #2
- 20” STEEL EXCAVATOR TOY: Tough dig sites are no match for the Cat Steel Excavator.
- HEAVY-DUTY & DURABLE STEEL CONSTRUCTION: Built with sturdy steel and plastic, as well as realistic details, the Steel Excavator has a working heavy metal bucket and real working treads. The Cat Steel Excavator is built to last just like the real Cat Construction trucks.
- ERGONOMIC HANDLES make the Steel Excavator easy to use.
- LIFETIME WARRANTY: The Cat Steel Excavator toy features a lifetime warranty so you can be comfortable knowing this product is built to last. See details in the description below.
- EASY TO OPEN & RECYCLABLE PACKAGING: Ships in “easy to open” packaging that is curbside recyclable.
Controls and operation
If you are qualified and conditions are safe, operate the controls through a representative work cycle and test the functions you expect to use. A brief idle is not a substitute for testing the machine in operation. Caterpillar’s Certified Used process includes operational tests, and its general buying guidance recommends a test drive.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsWhat Cat Certified Used means
Cat Certified Used is a specific Caterpillar dealer designation with an inspection and preparation process; a machine advertised simply as used is not thereby certified. Caterpillar says the process can include an inspection of up to 140 points, required service and the latest maintenance. Its inspection page describes a review of configuration, additions, service and repair history, fluid samples and service codes, followed by a walkaround, startup, maneuvering and operational tests (Caterpillar’s Certified Used Inspection page).
Rank #3
- AUTHENTIC SCALE REPLICA W/ OUTSTANDING DETAILS – Diecast Masters 1:50 Cat 395 Large Hydraulic Excavator features accurate Modern Hex paint, decals, and trade dress. Includes a fully functional boom, stick, and bucket, realistic swing motion, and 360° upper structure rotation. Front and side detailing includes lights, mirrors, and safety rails. A detailed cab interior with operator figure adds extra realism to this powerful next-gen model.
- TOP QUALITY MATERIALS - Made from both die-cast metal and plastic components, our authentic Caterpillar truck and construction equipment replicas look like real machines. Details include an opening cab door and other opening maintenance hatches with detailed components inside, free rolling rubber tires with bolt detailing inside wheel hubs, detailed cab interior, an operator figure, lights, mirrors, safety railings, exhaust, hydraulic lines and more.
- HIGH LINE SERIES - This model is part of the Diecast Masters High Line Series of classic collectible scale model replica trucks and machines. The 1:50 scale models can be displayed in several working poses and, some can fold to fit on a lowboy trailer. 1:32 scale and 1:25 scale are ideal for larger collections and displays. All of our adult collectible die-cast models would be ideal for Caterpillar equipment collections, dioramas and displays and make great gifts for any commemorative occasion.
- PREMIUM COLLECTOR’s PACKAGING - This Caterpillar model comes presented in a special Diecast Masters Collectible Metal Tin. The metal box packaging is printed in full color with pictures of the replica model and real machine in use, and technical info and key specs of the machine listed on the back. Includes a Diecast Masters mini-Cat alog showing all current Diecast Masters Caterpillar products, pictures, & item numbers.
- DIECAST MASTERS - Diecast Masters makes the coolest-looking and best-made collectible trucks, trailers, and construction machinery around. Our accurate-to-scale replica trucks and construction vehicles for adults and kids collectors are each officially licensed with careful attention to detail.
The standard inspection rates components as Good, Fair or Poor: Good means no repair or replacement is needed; Fair means repair is appropriate but replacement is not needed; Poor means replacement is needed. Caterpillar says critical components and items rated Fair or Poor receive remarks and photographs. To receive the Cat Certified Used designation, all components must rate Good on Caterpillar’s standard inspection form, and items that fail the stated requirements must be repaired before the designation is applied.
Caterpillar’s stated criteria include at least 50% life remaining for specified undercarriage or tires and ground-engaging tools. The page also describes criteria for the cab, components, cylinders, sheet metal and counterweights, glass and mirrors, lights, and hoses. These are program requirements, not a promise of future life or proof that the machine suits every workload.
Rank #4
- FULLY FUNCTIONAL RADIO CONTROL MODEL - Diecast Masters 1:16 Diecast RC Cat 320 Remote Control Excavator Truck is complete with the grapple and hammer and Genuine Caterpillar Yellow paint *available only to licensees of Caterpillar Inc. All decoration and nomenclature elements are taken from the real machine films provided by Caterpillar. This model has the new updated Modern Hex trade dress.
- MOVES JUST LIKE THE REAL MACHINE - This 1:16 Scale RC Caterpillar, CAT truck has a working grapple and hammer, and individual boom, stick and bucket movements that follow the real 330D L. With exacting track control for forward, reverse and steering actions; 360 degree rotation on axis wich allows realistic dig, carry and dump operations; and realistic track movements, swing movements, boom, stick, and bucket movements. Complete with a sound package that mimics the real engine.
- CLOSED BOX PACKAGING - This rc truck model comes in the Diecast Masters closed box packaging. The packaging is complete with a top handle and secures and protects the replica model inside.
- TOP QUALITY MATERIALS - Made with high-quality diecast metal and/or plastic, complete with real movement and design details. Our authentic scale replicas look and move like the real machine with an impressive control distance and quick charge capabilities. All radio controlled truck models come with a remote control and a set of batteries included.
- DIECAST MASTERS - Diecast Masters makes the coolest looking and best-made collectible truck and trailer models around. Our models are officially licensed with careful attention to detail. Designed for collectors aged 14 and up, it combines heavy-equipment realism with hands-on construction fun and professional-grade performance.
Ask for the inspection report tied to the exact serial-numbered machine. Read its remarks and photographs, and clarify any mismatch among the report, listing and machine as it stands today. Certification provides standardized evidence; it does not remove the need to judge the machine’s suitability and condition.
Get the actual protection terms in writing
Caterpillar says Cat Certified Used equipment is protected for at least 12 months or a specified number of operating hours. Coverage varies by product, application and location, so the designation alone does not establish the precise protection for a particular machine (Caterpillar’s used-equipment warranty information).
Best Value
- Diecast Masters 1:64 Model Cat Construction Vehicles, Blister Packaging
Before relying on coverage in your purchase decision, obtain the applicable written terms from an authorized Cat dealer. Confirm covered components, the time or hour limit, exclusions, transfer conditions and how to make a claim.
Compare machines by total cost and job fit
Compare any candidates on the same basis rather than choosing by asking price or hours alone. Account for condition, likely repairs, remaining tire or undercarriage life, attachment wear, service history, available protection and local access to parts and service. Caterpillar’s reviewed material does not provide a universal used-machine price benchmark or value formula.
- Intended application, configuration and attachments
- Model, serial number, age and operating hours
- Asking price plus expected repairs and maintenance
- Service and repair history, parts replaced and incident history
- Current condition and any independent inspection findings
- Remaining tire or undercarriage life and attachment wear
- Inspection report, certification status and written protection terms
- Local dealer, parts and service access
- Financing terms and total ownership cost
Financing availability and terms depend on the buyer’s location and the current offer; verify them directly rather than assuming a general program applies.
Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchWindows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallUse fluid analysis as one piece of evidence
Caterpillar describes condition monitoring as a combination of inspections, fluid analysis, electronic equipment information and equipment history. Cat S·O·S fluid analysis can provide information about oil and coolant condition and component wear (Caterpillar’s S·O·S fluid analysis information). Interpret any sample results alongside maintenance records, operating behavior and physical inspection; a fluid report alone cannot establish the machine’s overall condition.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.




