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How old is my lawn mower by serial number?
On Craftsman lawn tractors like model 9172720601, the serial number format varies by manufacturer and production run, so the most reliable way to determine the build date is to match your serial number to the identification and parts information shown in the 9172720601 owner's manual.
Where to find the serial number (and what to write down)
We recommend recording these items exactly as shown on the tractor ID label:
- Model number: 9172720601
- Serial number (copy every digit and letter)
- Engine brand and engine model/type (often on the engine shroud)
- Any product number or “MFG ID” listed on the label
How to decode the serial number (practical approach)
Because there is not one universal Craftsman serial-number date code, use this process:
- Locate the ID label (commonly under the seat, on the frame near the rear wheels, or near the engine compartment).
- Compare the label info to the manual and parts diagrams to confirm you are decoding the correct unit.
- Look for a date-style pattern in the serial number (many use a week and year, or month and year).
- If the tractor uses an engine date code, use the engine’s code as a cross-check (engine codes are often easier to date than the tractor chassis).
Common date-code patterns you may see
| Pattern example | Usually means | Example interpretation |
|---|---|---|
YYWW... |
Year + week | 0415 = week 15 of 2004 |
MMYY... |
Month + year | 0104 = January 2004 |
| Engine code label | Engine build date | Use as confirmation |
Why it matters
Knowing the approximate build year helps us match the correct parts and diagrams for your mower deck, drive system, and steering components. For example, deck parts like the husqvarna lawn tractor mulching blade, 21-in 532134149 are selected by deck configuration and production design.
Last updated: February 2026
How to look up Craftsman model number?
To look up the model number for your Craftsman riding mower, find the model and serial number label on the tractor frame under the seat (or on the underside of the seat), then use that exact model number when searching parts and manuals for your machine, such as Craftsman model 9172720601.
Where to find the model number on model 9172720601
On Craftsman lawn tractors like 9172720601, the ID label is typically in one of these spots:
- On the frame under the seat (lift the seat to view)
- On the underside of the seat pan
- Near the rear fender area close to the seat mounting points
- Occasionally near the footrest area on the frame rail
For diagrams and model identification details, use the 9172720601 owner's manual.
How to use the model number once you find it
Use the model number exactly as printed (including all digits) to match the correct parts list.
- Search using the full model number: 9172720601
- Match the product type: front-engine lawn tractor (riding mower)
- Use the parts diagrams to confirm fit by location (mower deck, wheels and tires, transaxle)
- Cross-check the part description and hardware size before ordering
Quick example (model-specific)
| What you need | What to match | Example from this model |
|---|---|---|
| Wheel and tire parts | Section name + part ID | Lawn tractor axle cap 532104757 |
| Rear tire | Tire size and application | Tire (rear) is listed in the manual parts breakdown |
| Drive system parts | Transmission type and diagram | Hydro Gear transaxle diagram is shown in the manual |
Why it matters
Craftsman tractors can look similar across years, but parts like blades, belts, tires, and transaxle components vary by model. Using the exact model number helps ensure the correct fit and avoids ordering the wrong deck or drive parts.
Last updated: February 2026
What kind of engine does a Craftsman riding lawn mower have?
The Craftsman lawn tractor model 9172720601 uses a 16.0 HP gas engine (with a low-emission design) and electric start; it is paired with a 42-inch mower deck. For the exact engine make, model, and tune-up specifications, use the 9172720601 owner's manual.
What we can confirm for model 9172720601
From the model-specific documentation, these are the key engine-related details:
- Engine output: 16.0 HP
- Starting system: electric start
- Deck size: 42-inch mower deck
- Emissions note: low-emission engine that can operate differently than older designs
Where to find the exact engine brand and model
Many Craftsman tractors were built with engines from common suppliers (for example, Briggs & Stratton or Kohler), but the engine brand and model vary by build. For model 9172720601, the most reliable places to confirm the exact engine identification are:
- The engine ID label on the engine shroud or valve cover area
- The product specifications section in the 9172720601 owner's manual
- The parts diagrams for the engine and fuel system (useful when ordering tune-up parts)
Quick ID checklist (what to write down)
- Engine model number
- Engine type number
- Engine code/date number
Common engine maintenance items (what owners replace most)
Keeping the engine maintained prevents hard starting, overheating, and poor cutting performance.
| Maintenance item | Typical interval | Why it matters |
|---|---|---|
| Spark plug | Every season or 100 hours | Helps starting and smooth running |
| Fuel filter | Once each season | Prevents fuel starvation and surging |
| Cooling fins and air intake screen cleaning | About every 100 hours (more in dust) | Prevents overheating and engine damage |
Why it matters
Ordering the correct parts and using the right tune-up specs depends on the exact engine identification, not just horsepower. Confirming the engine model also helps you match the correct spark plug type, gap, and fuel filter direction.
Last updated: February 2026
What model number is the Craftsman 9172720601 engine?
The Craftsman lawn tractor model 9172720601 is equipped with a Kohler engine model CV460 with type number 26509. We list that engine identification in the engine breakdown for this tractor; confirm it in the 9172720601 owner's manual.
Where to confirm the engine model on the tractor
Use the engine ID tag on the Kohler engine to match parts and service information.
- Look on the blower housing (top shroud) for the Kohler ID label
- Check near the valve cover or cylinder head area
- Look on the side of the engine block near the muffler
- Record the model, type, and serial from the tag before ordering parts
Tractor model vs. engine model (quick reference)
| ID you have | What it identifies | Example for this unit |
|---|---|---|
| Tractor model number | The full Craftsman tractor | 9172720601 |
| Engine model and type | The exact Kohler engine build | CV460, type 26509 |
| Engine serial number | Production run details | Listed on the engine tag |
Why it matters
The engine model and type are what we use to match Kohler engine parts (starter, carburetor parts, gaskets). The tractor model 9172720601 is what we use to match chassis and mower deck parts such as the lawn tractor ground drive belt 532140294 and blades.
If the engine clicks but will not crank, follow the steps in riding lawn mower engine clicks but doesnt turn over video to check the battery, starter circuit, and safety interlock switches.
Last updated: February 2026
Where can I find the Craftsman product date code?
On the Craftsman lawn tractor model 9172720601, the product date code is typically printed on the model and serial number label (often called the ID tag) mounted on the tractor frame under the seat area or near the rear fender. We use that label information to identify the correct parts and the right manual details for your exact build.
Common places to check on model 9172720601
Look for a sticker or metal tag in these spots:
- Under the seat pan (lift the seat and look on the frame rails)
- On the rear fender deck, just below or behind the seat
- On the left or right side of the frame near the footrest
- Near the engine compartment side panel (inside the hood area)
- Near the transaxle area on the rear frame crossmember
If the label is dirty, wipe it with a damp rag and mild soap; avoid harsh solvents that can erase printing.
What the label usually shows (and what to write down)
We recommend recording these items exactly as shown:
- Model number (should match 9172720601)
- Serial number
- Product number (if listed)
- Date code (may be a short string of numbers and letters)
Quick reference: what each item is used for
| Label item | What it helps with | Why it matters |
|---|---|---|
| Model number | Identifies the tractor family | Ensures diagrams match your machine |
| Serial number | Identifies production run | Helps avoid wrong-fit parts |
| Date code | Identifies build timeframe | Helps match running changes |
If you cannot find a readable date code
When the label is missing or faded, we still make progress by using the model number and confirming key deck and drive details.
- Check the mower deck size (this tractor is commonly a 42-inch deck)
- Confirm blade and mandrel style before ordering
- Use the exploded views in the 9172720601 owner's manual to match assemblies
Why it matters
Craftsman tractors can have small running changes across production, and the date code helps us match the correct belt routing, deck hardware, and steering or brake linkage parts for your exact unit.
Last updated: February 2026
Who makes Craftsman push mower engines?
Craftsman push mower engines are typically supplied by major small-engine manufacturers such as Briggs & Stratton, Kohler, or Kawasaki, depending on the specific mower and production run. For the Craftsman riding lawn tractor model 9172720601, the 9172720601 owner's manual identifies a Kohler engine (CV460, type 26509).
How to identify the engine maker on your Craftsman push mower
We recommend checking the engine ID tag on the engine itself; it lists the manufacturer and the exact engine model.
- Look for a metal tag or sticker on the blower housing, valve cover, or near the muffler
- Record the engine brand (Briggs & Stratton, Kohler, Kawasaki, etc.)
- Record the engine model and type/spec numbers
- Use those numbers to match tune-up parts (air filter, spark plug, fuel filter)
- Compare what you find to the engine section in your mower’s manual
Push mower vs. riding mower: why answers vary
Craftsman is a brand; the engine supplier can change by mower style and year. Your engine maker is determined by the engine installed on your exact unit, not the Craftsman name on the hood.
| Equipment type | What to check | Where to find it |
|---|---|---|
| Push mower | Engine brand + model/type | Engine ID tag on the engine |
| Riding lawn tractor (9172720601) | Kohler CV460, type 26509 | Manual engine listing |
Why it matters
When you order maintenance and repair parts (spark plug, carburetor parts, starter parts), the engine model/type is what ensures correct fit. Using only “Craftsman push mower” often pulls up multiple engine families.
Last updated: February 2026
