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How to read a Craftsman serial number?
On a Craftsman riding mower like model 917289140, the serial number format depends on the manufacturer and the specific ID tag used on your tractor. We use the ID tag information (model number, product number, and serial) together to identify the correct parts and documentation; start by matching your tractor to the 917289140 owner's manual.
Where to find the serial number on your tractor
Most Craftsman front-engine lawn tractors place the ID tag in one of these spots:
- Under the seat pan or on the seat deck
- On the frame rail near the engine
- Under the hood near the dash tower
- Near the rear fender or hitch plate
- On the mower deck shell (sometimes a separate deck tag)
How to interpret the serial number (what’s reliable)
Serial numbers are primarily used for manufacturing tracking; they are not always a simple month-day-year code.
- Some tags include a date code; others do not
- The model number (for example, 917289140) is the best starting point for parts lookup
- A product number or equipment number may appear alongside the serial
- If your tag includes letters, those often indicate plant, line, or revision
Quick check: date code vs. serial number
| What you see on the tag | What it usually means | What to do next |
|---|---|---|
| 6 digits that look like a date | Could be a date code on some units | Confirm by comparing to the tag labels and the manual’s identification section |
| Longer number (8 to 12+ digits) | Typical serial number | Use it with the model number for parts matching |
| Letters + numbers | Manufacturer tracking format | Record it exactly; do not drop letters |
Why it matters
Reading the serial number correctly helps us match the right Craftsman parts (belts, blades, electrical parts) and avoid ordering a similar-looking part that does not fit your exact tractor configuration.
Last updated: February 2026
What model number is a Craftsman 6.75 lawn mower?
A Craftsman “6.75” walk-behind mower does not map to one single model number; “6.75” is an engine power rating used across multiple mower models. For the most accurate match, we identify the model from the mower’s model tag, then confirm it against the parts list and 917289140 owner’s manual.
How to find the correct model number on your mower
Look for the model tag on the mower itself (not the engine). Common locations include:
- Rear of the deck near the discharge chute
- Under the seat area on self-propelled units (if equipped)
- On the frame near the rear wheels
- Near the handle mounting brackets
- On a sticker by the engine shroud (sometimes lists both engine and mower info)
Write down the full model number exactly as shown (numbers only for many Craftsman units, often starting with 917).
Why “6.75” is not enough by itself
“6.75” typically refers to the engine’s advertised horsepower class, and the same engine rating can appear on many different Craftsman mower builds.
What to use instead
| What you have | What it tells us | What to do |
|---|---|---|
| Engine label says “6.75” | Engine family/power class | Use it only as a clue |
| Mower model tag (example: 917.xxxxxxx) | Exact mower identity | Use this to look up parts |
| Deck size (21 in, 22 in, etc.) | Helps narrow variants | Confirm with model tag |
If you are trying to match a mower to this page
This page is for a Craftsman riding tractor model 917289140, not a 6.75 walk-behind mower. If you need parts for the tractor, use the tractor model number 917289140 and the diagrams in the 917289140 owner’s manual.
Common mix-ups we see
- Using the engine numbers instead of the mower model number
- Confusing a walk-behind mower with a riding lawn tractor
- Missing digits on the model tag (a single digit changes the parts)
Why it matters
Using the exact model number prevents ordering the wrong blade, belt, or ignition parts; even small design changes can affect fit and routing.
Last updated: February 2026
What year did Craftsman make the 917289140?
Craftsman model 917289140 (shown in the manual as 917.28914) was made during the era when Craftsman sold 21 HP, 46-inch deck lawn tractors with electric start and automatic transmission; the exact build year is identified by the product ID/serial information on the tractor and the purchase date listed on your paperwork. For model-specific operating details, use the 917289140 owner's manual.
How to find the exact year on your tractor
We use the tractor’s identification label to pin down the production year for a specific unit.
- Look under the seat and around the seat pan/frame rails for the model and serial label
- Check the rear fender pan area near the seat hinge if you do not see it under the seat
- Write down the serial number exactly as shown (letters and numbers)
- Compare the label to your receipt or warranty registration date
- If the label is damaged, check for a secondary tag near the engine or frame
What we can confirm from the documentation
The operator’s manual identifies the tractor as a Craftsman lawn tractor with these core specs:
| Item | What the manual shows |
|---|---|
| Model family | 917.28914 (same model line as 917289140) |
| Deck size | 46-inch mower |
| Starting | Electric start |
| Drive type | Automatic transmission |
Why it matters
The exact year affects parts lookups and compatibility for items like the blade drive belt, mandrel components, and electrical parts (for example, a starter solenoid). Getting the serial information right helps us match the correct diagrams and replacement parts for your specific tractor.
Last updated: February 2026
