Owner’s manual
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What kind of engine does a Craftsman riding lawn mower have?
The Craftsman lawn tractor model 917270531 is equipped with a 14.5 HP gas engine (electric start) and is paired with a 42-inch mower deck and a 6-speed transaxle. For the exact engine details and operating specs, use the owner's manual.
What we can confirm for model 917270531
From the model 917270531 documentation, these are the key powertrain and mower basics:
- Engine output: 14.5 HP
- Starting system: electric start
- Mower deck size: 42 inches
- Transmission: 6-speed transaxle
- Fuel capacity: 1.25 gallons (unleaded regular)
Engine-related specs you will use most often
These specs help with routine maintenance and troubleshooting (hard starting, loss of power, rough running):
| Spec | Value (model 917270531) |
|---|---|
| Fuel capacity and type | 1.25 gallons, unleaded regular |
| Oil type (above 32°F) | SAE 30 |
| Oil type (below 32°F) | SAE 5W-30 |
| Oil capacity | 3.0 pints |
| Spark plug | Champion RC12YC (gap 0.030 in.) |
Why it matters
Knowing the correct engine type and maintenance specs for your Craftsman 917270531 helps you choose the right tune-up parts, use the correct oil and fuel, and avoid common no-start or low-power problems caused by incorrect service items.
Related parts and systems that affect starting and running
If the engine cranks slowly, only clicks, or will not crank, these components are commonly involved:
- Battery connections and wiring condition
- Fuse and ignition switch function
- Starter solenoid operation (see solenoid 532146154)
- Safety interlock switches (seat, brake, PTO)
Last updated: February 2026
What Craftsman lawnmower do I have?
If you’re looking at this parts list, you have a Craftsman front-engine lawn tractor model 917.270531 (often written without the dot as 917270531). The model number is shown on the product identification label and is also printed on the cover of the owner's manual.
Where to find the model number on the tractor
On Craftsman riding lawn tractors like model 917270531, the model number is typically on a product identification label located under the seat area.
- Park on a flat surface, set the parking brake, and shut the engine off
- Lift the seat and look for a label on the underside of the seat or on the frame beneath it
- Confirm the full model number matches 917270531
- Write it down exactly; it is used to match the correct diagrams and repair parts
Quick model confirmation for 917270531
The manual for this model identifies it as a 42-inch deck tractor with electric start and a 6-speed transaxle.
| Item | What you should see for this model |
|---|---|
| Brand | Craftsman |
| Model number | 917270531 |
| Mower deck size | 42-inch |
| Starting system | Electric start |
| Transmission | 6-speed transaxle |
Why it matters
Using the exact model number ensures you get the right parts and specs for maintenance and repairs (for example, matching the correct blade style, deck hardware, and steering components).
Last updated: February 2026
What year did Craftsman make the 917270531?
Craftsman model 917270531 was produced during the LT1000-era of Craftsman front-engine lawn tractors; most units in this series were built in the early-to-mid 2000s. To identify the exact year for your specific tractor, we use the manufacturing date code on the serial number label shown in the 917270531 owner's manual.
How to find the exact build year on your tractor
Look for the product/serial label (commonly under the seat or on the frame near the seat pan). Then:
- Write down the model number (917270531) and the serial number
- Look for a date code on the label (often formatted as MMDDYY)
- If the label shows MMDDYY, the last two digits are the year (YY)
- If the label uses a different format, match the label information to the identification section in the manual
- If the label is missing or unreadable, use the tractor’s parts configuration (deck, steering, seat, electrical) to narrow the production window
Quick examples of common date-code formats
These examples show how many Craftsman riding mower labels present dates.
| Label format | Example | What it means |
|---|---|---|
| MMDDYY | 041503 | April 15, 2003 |
| MM-DD-YY | 04-15-03 | April 15, 2003 |
| No clear date (serial only) | varies | Use manual identification steps and parts breakdowns |
Why it matters
The exact year affects parts fit and service procedures, especially for items that changed across production runs such as the steering linkage, seat hardware, deck components, and electrical starting circuit.
If you are ordering parts, matching by model number plus the serial/date code helps ensure you get the correct items (for example, the molded ignition key 532140403 or the solenoid 532146154).
Last updated: February 2026
Who makes Craftsman lawn mower engines?
Craftsman lawn mower and lawn tractor engines are supplied by several major small-engine manufacturers, most commonly Briggs & Stratton, Kohler, and Kawasaki. For Craftsman lawn tractor model 917270531, the engine maker is confirmed by the engine ID label on the engine and the specifications section in the 917270531 owner's manual.
How to identify the engine manufacturer on model 917270531
Use these quick checks; they are the most reliable for matching tune-up and repair parts:
- Engine ID label (lists engine brand plus model, type/spec, and code)
- Blower housing or valve cover decal (often shows the engine brand/series)
- Specification pages in the manual (lists engine-related service specs)
- Tractor parts diagrams (helpful when identifying starter, ignition, and fuel parts)
- Hood or dash decals (may list horsepower, not always the engine brand)
What the engine ID label usually includes
Write these down exactly as shown before ordering engine parts.
| Label field | What it means | Why it matters |
|---|---|---|
| Model | Engine family/series | Helps match filters and ignition parts |
| Type / Spec | Exact configuration | Prevents wrong carburetor or starter fit |
| Code | Build date/revision | Confirms the correct version |
Model 917270531 service specs (from the manual)
These are tractor-level specs you can use for routine maintenance.
- Fuel capacity: 1.25 gallons, unleaded regular
- Oil type: SAE 30 above 32°F; SAE 5W-30 below 32°F
- Oil capacity: 3.0 pints
- Tire pressure: 14 PSI front, 12 PSI rear
Why it matters
Craftsman is the tractor brand, but the engine manufacturer determines the correct engine tune-up parts and settings (spark plug, air filter, valve clearance). Using the engine ID label keeps you from ordering the wrong ignition or fuel-system parts.
Last updated: February 2026
